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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6202 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7084 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5855 April 12, 2016
by Ralphxyz
USBasp Help! 3 4782 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6804 May 04, 2015
by mongo
Need to replace Wall Watt 16 4248 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4047 April 10, 2015
by Noter
My new 3D Printer 44 19437 April 07, 2015
by Rick_S
AtMega 644 2 4159 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3282 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3749 June 02, 2014
by JKITSON
Automated programming mode? 9 4160 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3770 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3647 January 28, 2014
by lailai
What kind of error is this? 4 3673 January 23, 2014
by Noter
How to double a DC voltage? 20 10719 January 12, 2014
by JKITSON
Is the code the driver? 2 3355 January 12, 2014
by Ralphxyz
Miniature headers 6 3800 January 01, 2014
by Ralphxyz
BLDC 8 3743 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4183 November 26, 2013
by Rick_S
GLCD SPI problems 14 7564 November 10, 2013
by andyi
Moving on... 7 3661 November 08, 2013
by Pr0ject
Power supply questions 4 4976 October 31, 2013
by sask55
OLED 4 3351 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14610 September 22, 2013
by sask55
Opto Interrupter once again 14 7741 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3754 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10514 September 02, 2013
by Ralphxyz
USB cable specifications 7 4880 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4126 August 27, 2013
by Affarram
XMEGA Breakout 8 4541 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3337 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3972 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4013 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9737 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14456 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3298 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3791 April 08, 2013
by pcbolt
Using diode to drop voltage 12 63831 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3232 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3532 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7403 March 14, 2013
by mongo
Current vs Voltage 8 4411 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4341 March 09, 2013
by lnino
Electric current 2 3125 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6110 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8460 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7719 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4168 February 24, 2013
by lnino
Relay Question 27 7327 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7012 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4602 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4504 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4202 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3768 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4306 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3764 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4557 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3284 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3332 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3856 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9037 November 18, 2012
by carlhako
SPI slave clock 6 3979 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3453 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 27960 October 23, 2012
by Noter
NPN circuit connection quandry 4 4038 September 24, 2012
by edb
Simple I/O circuit 4 3646 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3436 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3123 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5555 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3685 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5932 September 13, 2012
by dan_engbers
Electronics simulation 8 4278 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6301 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3573 August 20, 2012
by rblalock
louder sound 2 3360 August 18, 2012
by mongo
connector or cable for LCD display? 4 3546 August 13, 2012
by missle3944
Powering L.E.Ds 5 3654 August 09, 2012
by BobaMosfet
Wires in U.K 5 4200 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4086 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6741 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6615 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4430 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21768 July 21, 2012
by lnino
um help 6 3372 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4204 July 18, 2012
by Ralphxyz
help me 11 3982 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3466 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4699 June 24, 2012
by Ralphxyz
HELP 3 3255 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13841 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3378 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5180 June 17, 2012
by RogerFL
Programmable current source 6 4985 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4796 June 11, 2012
by mongo
HELP 6 3557 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3768 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48179 May 24, 2012
by Ralphxyz
i need a code 8 3957 May 15, 2012
by pcbolt
Clock Accuracy 30 8472 May 14, 2012
by HexManiac
Relays and Controlling them 9 3884 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4185 May 09, 2012
by RogerFL
Powering your NerdKit 7 3801 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3712 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6892 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4236 April 24, 2012
by pcbolt
Programs will not run 6 3612 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4277 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4009 April 09, 2012
by Ralphxyz
Path Lights controller 2 3508 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3625 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4140 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3802 April 01, 2012
by JamesFysh
Question on LCD screen 5 3741 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3709 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4930 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4548 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8220 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3886 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4873 March 15, 2012
by mongo
Digital servo issues! 9 4306 March 15, 2012
by Rick_S
Brushless motor control 16 4718 March 12, 2012
by hevans
Windows not detecting device 3 3519 March 10, 2012
by hevans
Voltage throught MCU 5 3478 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18811 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10756 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19107 March 01, 2012
by hevans
Up and running... 3 3242 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3866 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4213 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3509 February 24, 2012
by Rick_S
programming lcd trubs 7 3565 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4266 February 18, 2012
by Rick_S
Oscilloscope 15 5440 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9649 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4756 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3914 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9916 February 09, 2012
by mongo
Data transmission 3 4545 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4281 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5742 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3700 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3361 January 31, 2012
by tchilzer2
H bridge questions 6 4035 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3853 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4170 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4405 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7521 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4123 January 15, 2012
by Rick_S
Source of power? 19 4132 January 13, 2012
by mongo
symbol defined please? 4 4021 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16864 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3784 January 06, 2012
by boxvic
Basic LED circuit properties 8 4085 January 06, 2012
by boxvic
Getting Started 3 3605 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4744 January 02, 2012
by bodangly
SMD reflow 16 4775 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3788 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4522 December 23, 2011
by BobaMosfet
Potentiometer 8 5070 December 23, 2011
by huzbum
Fun with Op-Amps 3 5580 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4695 December 19, 2011
by n1cl3
Odessy of the minds 5 4014 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3427 November 27, 2011
by sazD
Initial Load 2 4044 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4557 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5453 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4094 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9019 November 10, 2011
by jfbrink
Servo Squitter Project 13 3838 November 09, 2011
by Heed
how do i run a program 4 3428 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3631 November 07, 2011
by Heed
Motor control question 2 3552 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8790 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3673 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3691 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 93300 October 24, 2011
by glendon
Measuring Capacitance 9 5145 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3810 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5420 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21148 October 16, 2011
by sask55
RxD / TxD Questions 10 6678 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3873 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3744 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3978 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3566 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12233 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5206 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23335 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11865 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3422 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6972 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12722 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8056 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4569 September 01, 2011
by BobaMosfet
Dim LED 3 3437 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3920 August 23, 2011
by Twarter369
Easy Transistor Question 4 4522 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6169 August 18, 2011
by Ralphxyz
Building a coil?? 12 6161 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3866 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3541 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3312 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3295 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22906 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4669 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3993 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3735 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3745 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6499 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3440 July 17, 2011
by codenamejupiterx
avr macpack 3 3804 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3714 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3794 July 13, 2011
by BobaMosfet
Battery clip wires 3 3408 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3272 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3574 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3780 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4160 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 23728 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3738 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3956 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5880 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3969 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4016 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4005 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4318 June 06, 2011
by mja
A couple of questions 3 3592 June 06, 2011
by Ralphxyz
How much should I strip? 3 3731 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4130 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3604 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3889 May 29, 2011
by Rick_S
Digital Input Question 4 3714 May 28, 2011
by frankdwest
PCB arrived 20 3620 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4236 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22684 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4222 May 09, 2011
by Noter
IR current 6 3944 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4701 May 04, 2011
by hariharan
Heat sensors 21 4930 May 04, 2011
by Hexorg
error 1 2 3484 May 02, 2011
by hevans
Transistor vs mosfet 13 11533 May 01, 2011
by Noter
PCB trace width calculator 3 5051 April 24, 2011
by esoderberg
OLED display 10 4777 April 23, 2011
by Rick_S
Power Supplies 17 5340 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3560 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4139 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3480 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4497 April 19, 2011
by mongo
Connecting to external control voltages 4 3658 April 19, 2011
by bretm
IR current question 7 3726 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4472 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4666 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3976 April 10, 2011
by uml_12
Basic projects 3 3633 April 09, 2011
by mongo
REFLOW oven 22 6516 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13274 April 07, 2011
by bretm
unexpected MCU rebooting 82 8485 April 05, 2011
by sask55
REFLOW Soldering 3 4440 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3903 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6212 March 30, 2011
by bretm
Black Display on LCD 6 3931 March 28, 2011
by Druidman
32kHz clock 2 3632 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10571 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10727 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5709 March 16, 2011
by mongo
LCD problem 3 4015 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4544 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4702 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3705 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7129 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4619 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4566 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11587 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7949 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5164 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8572 February 19, 2011
by Lusitania
My first Impression 6 3943 February 16, 2011
by devinsbusiness
Understanding battery life 3 5234 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4957 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4554 February 05, 2011
by BobaMosfet
High voltage lines 26 6528 February 02, 2011
by mongo
USB 3 3692 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4639 February 02, 2011
by Jalex
Alternating LED circuit 4 4472 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5737 January 31, 2011
by il1019
Affordable oscilloscopes 43 13525 January 27, 2011
by BStory
"And"gate unfinished thought 2 3604 January 27, 2011
by Hexorg
replace MCU? 30 8585 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4319 January 25, 2011
by Ralphxyz
Multimeter! 12 6515 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5179 January 25, 2011
by Jalex
My LED Cube so far 25 9978 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5076 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4521 January 18, 2011
by dgikuljot
Counting 5 3554 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8139 January 17, 2011
by bretm
Programming 5 4370 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4728 January 11, 2011
by Yourself
Begining 7 4810 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5185 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4574 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3824 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4264 January 06, 2011
by Mujda
Data input voltage 6 4439 January 03, 2011
by Rick_S
MOSFET Question 7 4465 December 31, 2010
by Keyster
Transistor as a switch 5 4395 December 29, 2010
by Hexorg
Resistors 5 4851 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9642 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4774 December 28, 2010
by BobaMosfet
Relay ratings 2 4154 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19134 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3839 December 17, 2010
by mongo
Power Rectifier 7 4369 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6389 December 14, 2010
by danuke
This a decent oscilloscope? 8 4359 December 14, 2010
by danuke
Do resistors in series really add up? 8 5615 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5155 December 09, 2010
by bretm
L293 H-Bridge 15 5743 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5974 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5915 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5006 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5629 November 24, 2010
by BobaMosfet
Op-amp not working 6 5872 November 24, 2010
by BobaMosfet
Python questions 4 4916 November 21, 2010
by tkopriva
CE Amp design 5 4426 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4337 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4188 November 05, 2010
by Mujda
PC4 not working?! 8 3843 November 04, 2010
by hapshetsut
Amplifiers 4 4072 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4916 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4956 October 04, 2010
by Scythium
radio interference from NerdKit 11 3990 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8719 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4545 September 11, 2010
by akajester
QFP and dreadboard 2 4367 September 02, 2010
by bretm
Getting power to the spinning part... 5 4393 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12008 August 30, 2010
by Ralphxyz
morse code decoder 2 4543 August 26, 2010
by jonathan_m
Connecting to Computer 3 4442 August 25, 2010
by awesome
555 astable on breadboard 12 5966 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4075 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4529 August 19, 2010
by hevans
mosfet 3 3876 August 13, 2010
by hevans
Good material on learning electronics. 8 4844 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3753 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6201 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5568 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8783 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6062 July 02, 2010
by mongo
Electro Cardio Gram 4 4870 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3824 June 12, 2010
by Wobbler
Voltage Regulator 20 5347 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5040 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5692 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5368 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4481 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3768 June 06, 2010
by Kafke
TSSOP IC! 4 4542 June 03, 2010
by mrobbins
AVcc 2 4774 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3928 May 31, 2010
by hevans
Cable Driver 2 3721 May 31, 2010
by mongo
Best 9V adapter to use 2 4054 May 28, 2010
by mongo
Unidirectional microphones 5 4381 May 27, 2010
by mongo
Servo question 3 3899 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4487 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4398 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5972 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10380 May 21, 2010
by hevans
Chinese Solenoid 15 4305 May 10, 2010
by treymd
avrisp mkii circuit 4 5553 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3911 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8944 May 07, 2010
by rajabalu21
Simple Power Switch 6 4029 May 05, 2010
by avicell
I can haz speed! 3 4351 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5784 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4657 April 21, 2010
by bretm
Help with choosing the right resistor 10 5702 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10060 April 15, 2010
by bretm
Resistor 4 3703 April 15, 2010
by mongo
MCU digital input pins 3 3913 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4131 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10045 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6183 March 28, 2010
by carlhako
Laptop ground safety question 3 4232 March 27, 2010
by ese
LM34 R-C Damper 5 5716 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4549 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3822 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5822 March 23, 2010
by ese
constant system reset 3 3712 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4446 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5349 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4840 March 17, 2010
by Frozenlock
What is -VS? 6 7542 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5690 March 04, 2010
by treymd
Using MCU to connect two wires 3 4639 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9071 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4120 March 02, 2010
by Solorbob
Deciphering power resistors 11 4477 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3866 March 01, 2010
by nrotstan
Understanding LEDs 16 6910 March 01, 2010
by michaeldallas
What's the part I need? 5 3965 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10887 February 23, 2010
by rajabalu21
Too much power? 14 4756 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5350 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5181 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12439 February 18, 2010
by Rick_S
Serial port interface circuit 2 4941 February 17, 2010
by mongo
OBDII project 3 3995 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7359 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6540 February 13, 2010
by BobaMosfet
Digital pots 5 4264 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4397 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5413 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6145 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6814 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4729 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6408 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10097 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5158 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4392 December 27, 2009
by jgauthier
Servo Signal Noise 2 3875 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7191 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10660 December 10, 2009
by georgio
Relays and transistors 12 8653 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8699 December 09, 2009
by Rick_S
IR Detector 7 8000 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4958 November 19, 2009
by mikedoug
Debug with lcd 6 4926 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4484 November 15, 2009
by tech20
Understanding output pin characteristics 4 4264 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6130 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4483 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47320 October 30, 2009
by BobaMosfet
DIY header unit 2 4789 October 10, 2009
by rusirius
Thermostat Logging 6 6304 October 09, 2009
by luke
Understanding transistors 6 6105 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9914 October 07, 2009
by mikedoug
Currant booster 3 3888 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4982 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12654 August 27, 2009
by hevans
Which LED? 14 4662 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5594 August 07, 2009
by mongo
pull up, pull down resistors 7 17022 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10804 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6698 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6251 July 07, 2009
by sector0
Reset switch for circuit 3 4518 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31188 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5633 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4482 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4598 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5161 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4435 May 06, 2009
by paulip

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