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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6210 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7087 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5857 April 12, 2016
by Ralphxyz
USBasp Help! 3 4786 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6807 May 04, 2015
by mongo
Need to replace Wall Watt 16 4251 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4053 April 10, 2015
by Noter
My new 3D Printer 44 19440 April 07, 2015
by Rick_S
AtMega 644 2 4162 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3287 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3752 June 02, 2014
by JKITSON
Automated programming mode? 9 4165 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3772 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3651 January 28, 2014
by lailai
What kind of error is this? 4 3677 January 23, 2014
by Noter
How to double a DC voltage? 20 10726 January 12, 2014
by JKITSON
Is the code the driver? 2 3358 January 12, 2014
by Ralphxyz
Miniature headers 6 3804 January 01, 2014
by Ralphxyz
BLDC 8 3747 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4187 November 26, 2013
by Rick_S
GLCD SPI problems 14 7568 November 10, 2013
by andyi
Moving on... 7 3665 November 08, 2013
by Pr0ject
Power supply questions 4 4979 October 31, 2013
by sask55
OLED 4 3354 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14619 September 22, 2013
by sask55
Opto Interrupter once again 14 7746 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3756 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10519 September 02, 2013
by Ralphxyz
USB cable specifications 7 4884 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4130 August 27, 2013
by Affarram
XMEGA Breakout 8 4544 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3340 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3976 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4015 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9744 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14461 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3302 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3796 April 08, 2013
by pcbolt
Using diode to drop voltage 12 63839 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3235 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3535 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7409 March 14, 2013
by mongo
Current vs Voltage 8 4415 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4343 March 09, 2013
by lnino
Electric current 2 3129 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6113 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8464 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7723 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4171 February 24, 2013
by lnino
Relay Question 27 7329 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7017 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4605 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4507 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4205 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3773 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4310 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3767 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4562 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3286 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3334 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3858 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9041 November 18, 2012
by carlhako
SPI slave clock 6 3981 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3458 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 27978 October 23, 2012
by Noter
NPN circuit connection quandry 4 4042 September 24, 2012
by edb
Simple I/O circuit 4 3649 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3440 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3128 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5560 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3688 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5936 September 13, 2012
by dan_engbers
Electronics simulation 8 4281 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6307 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3578 August 20, 2012
by rblalock
louder sound 2 3365 August 18, 2012
by mongo
connector or cable for LCD display? 4 3549 August 13, 2012
by missle3944
Powering L.E.Ds 5 3658 August 09, 2012
by BobaMosfet
Wires in U.K 5 4204 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4090 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6748 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6617 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4434 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21771 July 21, 2012
by lnino
um help 6 3374 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4206 July 18, 2012
by Ralphxyz
help me 11 3986 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3470 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4702 June 24, 2012
by Ralphxyz
HELP 3 3257 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13846 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3382 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5186 June 17, 2012
by RogerFL
Programmable current source 6 4988 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4800 June 11, 2012
by mongo
HELP 6 3560 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3771 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48195 May 24, 2012
by Ralphxyz
i need a code 8 3960 May 15, 2012
by pcbolt
Clock Accuracy 30 8474 May 14, 2012
by HexManiac
Relays and Controlling them 9 3888 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4187 May 09, 2012
by RogerFL
Powering your NerdKit 7 3805 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3715 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6897 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4238 April 24, 2012
by pcbolt
Programs will not run 6 3614 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4284 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4014 April 09, 2012
by Ralphxyz
Path Lights controller 2 3511 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3631 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4144 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3805 April 01, 2012
by JamesFysh
Question on LCD screen 5 3745 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3712 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4934 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4552 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8224 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3888 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4875 March 15, 2012
by mongo
Digital servo issues! 9 4310 March 15, 2012
by Rick_S
Brushless motor control 16 4725 March 12, 2012
by hevans
Windows not detecting device 3 3524 March 10, 2012
by hevans
Voltage throught MCU 5 3482 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18815 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10762 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19119 March 01, 2012
by hevans
Up and running... 3 3247 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3872 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4216 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3513 February 24, 2012
by Rick_S
programming lcd trubs 7 3569 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4269 February 18, 2012
by Rick_S
Oscilloscope 15 5445 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9653 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4759 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3916 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9919 February 09, 2012
by mongo
Data transmission 3 4549 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4282 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5745 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3702 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3365 January 31, 2012
by tchilzer2
H bridge questions 6 4037 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3855 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4172 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4407 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7523 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4127 January 15, 2012
by Rick_S
Source of power? 19 4134 January 13, 2012
by mongo
symbol defined please? 4 4023 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16868 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3786 January 06, 2012
by boxvic
Basic LED circuit properties 8 4091 January 06, 2012
by boxvic
Getting Started 3 3608 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4747 January 02, 2012
by bodangly
SMD reflow 16 4779 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3792 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4525 December 23, 2011
by BobaMosfet
Potentiometer 8 5076 December 23, 2011
by huzbum
Fun with Op-Amps 3 5584 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4698 December 19, 2011
by n1cl3
Odessy of the minds 5 4017 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3432 November 27, 2011
by sazD
Initial Load 2 4049 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4562 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5457 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4098 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9022 November 10, 2011
by jfbrink
Servo Squitter Project 13 3843 November 09, 2011
by Heed
how do i run a program 4 3431 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3635 November 07, 2011
by Heed
Motor control question 2 3556 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8797 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3676 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3694 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 93320 October 24, 2011
by glendon
Measuring Capacitance 9 5148 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3812 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5423 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21158 October 16, 2011
by sask55
RxD / TxD Questions 10 6682 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3877 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3748 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3980 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3569 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12240 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5209 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23341 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11869 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3426 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6975 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12727 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8059 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4571 September 01, 2011
by BobaMosfet
Dim LED 3 3440 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3924 August 23, 2011
by Twarter369
Easy Transistor Question 4 4526 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6172 August 18, 2011
by Ralphxyz
Building a coil?? 12 6164 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3869 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3543 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3316 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3298 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22910 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4671 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3997 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3737 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3748 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6503 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3442 July 17, 2011
by codenamejupiterx
avr macpack 3 3806 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3717 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3797 July 13, 2011
by BobaMosfet
Battery clip wires 3 3414 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3276 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3578 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3783 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4163 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 23739 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3741 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3962 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5883 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3973 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4021 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4008 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4322 June 06, 2011
by mja
A couple of questions 3 3596 June 06, 2011
by Ralphxyz
How much should I strip? 3 3735 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4136 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3607 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3891 May 29, 2011
by Rick_S
Digital Input Question 4 3716 May 28, 2011
by frankdwest
PCB arrived 20 3623 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4238 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22689 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4227 May 09, 2011
by Noter
IR current 6 3948 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4704 May 04, 2011
by hariharan
Heat sensors 21 4934 May 04, 2011
by Hexorg
error 1 2 3488 May 02, 2011
by hevans
Transistor vs mosfet 13 11537 May 01, 2011
by Noter
PCB trace width calculator 3 5055 April 24, 2011
by esoderberg
OLED display 10 4782 April 23, 2011
by Rick_S
Power Supplies 17 5344 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3564 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4146 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3485 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4500 April 19, 2011
by mongo
Connecting to external control voltages 4 3662 April 19, 2011
by bretm
IR current question 7 3729 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4476 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4669 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3979 April 10, 2011
by uml_12
Basic projects 3 3636 April 09, 2011
by mongo
REFLOW oven 22 6520 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13281 April 07, 2011
by bretm
unexpected MCU rebooting 82 8489 April 05, 2011
by sask55
REFLOW Soldering 3 4446 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3906 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6215 March 30, 2011
by bretm
Black Display on LCD 6 3935 March 28, 2011
by Druidman
32kHz clock 2 3635 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10575 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10735 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5713 March 16, 2011
by mongo
LCD problem 3 4020 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4548 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4706 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3708 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7136 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4622 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4568 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11591 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7954 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5170 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8575 February 19, 2011
by Lusitania
My first Impression 6 3946 February 16, 2011
by devinsbusiness
Understanding battery life 3 5239 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4961 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4556 February 05, 2011
by BobaMosfet
High voltage lines 26 6532 February 02, 2011
by mongo
USB 3 3695 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4642 February 02, 2011
by Jalex
Alternating LED circuit 4 4476 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5741 January 31, 2011
by il1019
Affordable oscilloscopes 43 13528 January 27, 2011
by BStory
"And"gate unfinished thought 2 3609 January 27, 2011
by Hexorg
replace MCU? 30 8589 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4322 January 25, 2011
by Ralphxyz
Multimeter! 12 6518 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5183 January 25, 2011
by Jalex
My LED Cube so far 25 9984 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5080 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4525 January 18, 2011
by dgikuljot
Counting 5 3558 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8143 January 17, 2011
by bretm
Programming 5 4374 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4733 January 11, 2011
by Yourself
Begining 7 4812 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5188 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4577 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3828 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4266 January 06, 2011
by Mujda
Data input voltage 6 4441 January 03, 2011
by Rick_S
MOSFET Question 7 4467 December 31, 2010
by Keyster
Transistor as a switch 5 4398 December 29, 2010
by Hexorg
Resistors 5 4852 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9648 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4779 December 28, 2010
by BobaMosfet
Relay ratings 2 4157 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19137 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3842 December 17, 2010
by mongo
Power Rectifier 7 4372 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6393 December 14, 2010
by danuke
This a decent oscilloscope? 8 4361 December 14, 2010
by danuke
Do resistors in series really add up? 8 5620 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5159 December 09, 2010
by bretm
L293 H-Bridge 15 5746 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5978 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5918 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5010 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5633 November 24, 2010
by BobaMosfet
Op-amp not working 6 5877 November 24, 2010
by BobaMosfet
Python questions 4 4919 November 21, 2010
by tkopriva
CE Amp design 5 4429 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4340 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4191 November 05, 2010
by Mujda
PC4 not working?! 8 3846 November 04, 2010
by hapshetsut
Amplifiers 4 4075 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4919 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4958 October 04, 2010
by Scythium
radio interference from NerdKit 11 3996 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8723 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4548 September 11, 2010
by akajester
QFP and dreadboard 2 4371 September 02, 2010
by bretm
Getting power to the spinning part... 5 4396 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12011 August 30, 2010
by Ralphxyz
morse code decoder 2 4549 August 26, 2010
by jonathan_m
Connecting to Computer 3 4445 August 25, 2010
by awesome
555 astable on breadboard 12 5970 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4078 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4533 August 19, 2010
by hevans
mosfet 3 3880 August 13, 2010
by hevans
Good material on learning electronics. 8 4846 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3757 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6204 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5572 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8788 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6065 July 02, 2010
by mongo
Electro Cardio Gram 4 4873 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3828 June 12, 2010
by Wobbler
Voltage Regulator 20 5352 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5042 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5697 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5371 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4483 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3770 June 06, 2010
by Kafke
TSSOP IC! 4 4545 June 03, 2010
by mrobbins
AVcc 2 4776 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3932 May 31, 2010
by hevans
Cable Driver 2 3725 May 31, 2010
by mongo
Best 9V adapter to use 2 4057 May 28, 2010
by mongo
Unidirectional microphones 5 4383 May 27, 2010
by mongo
Servo question 3 3904 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4490 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4400 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5977 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10383 May 21, 2010
by hevans
Chinese Solenoid 15 4309 May 10, 2010
by treymd
avrisp mkii circuit 4 5555 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3914 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8946 May 07, 2010
by rajabalu21
Simple Power Switch 6 4030 May 05, 2010
by avicell
I can haz speed! 3 4354 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5788 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4659 April 21, 2010
by bretm
Help with choosing the right resistor 10 5705 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10067 April 15, 2010
by bretm
Resistor 4 3705 April 15, 2010
by mongo
MCU digital input pins 3 3915 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4135 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10050 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6185 March 28, 2010
by carlhako
Laptop ground safety question 3 4235 March 27, 2010
by ese
LM34 R-C Damper 5 5720 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4552 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3825 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5828 March 23, 2010
by ese
constant system reset 3 3717 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4449 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5357 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4844 March 17, 2010
by Frozenlock
What is -VS? 6 7547 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5694 March 04, 2010
by treymd
Using MCU to connect two wires 3 4643 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9074 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4125 March 02, 2010
by Solorbob
Deciphering power resistors 11 4485 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3869 March 01, 2010
by nrotstan
Understanding LEDs 16 6912 March 01, 2010
by michaeldallas
What's the part I need? 5 3968 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10890 February 23, 2010
by rajabalu21
Too much power? 14 4758 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5352 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5185 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12446 February 18, 2010
by Rick_S
Serial port interface circuit 2 4943 February 17, 2010
by mongo
OBDII project 3 3998 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7362 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6542 February 13, 2010
by BobaMosfet
Digital pots 5 4267 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4400 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5417 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6148 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6817 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4735 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6410 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10099 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5163 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4395 December 27, 2009
by jgauthier
Servo Signal Noise 2 3878 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7195 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10663 December 10, 2009
by georgio
Relays and transistors 12 8656 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8704 December 09, 2009
by Rick_S
IR Detector 7 8011 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4961 November 19, 2009
by mikedoug
Debug with lcd 6 4928 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4486 November 15, 2009
by tech20
Understanding output pin characteristics 4 4266 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6132 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4485 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47324 October 30, 2009
by BobaMosfet
DIY header unit 2 4793 October 10, 2009
by rusirius
Thermostat Logging 6 6307 October 09, 2009
by luke
Understanding transistors 6 6108 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9916 October 07, 2009
by mikedoug
Currant booster 3 3890 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4984 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12661 August 27, 2009
by hevans
Which LED? 14 4666 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5596 August 07, 2009
by mongo
pull up, pull down resistors 7 17026 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10809 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6702 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6254 July 07, 2009
by sector0
Reset switch for circuit 3 4520 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31193 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5635 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4486 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4601 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5164 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4439 May 06, 2009
by paulip

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Did you know that you can input numbers in binary via a DIP switch, and output them to the LCD? Learn more...