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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 7102 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7340 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6124 April 12, 2016
by Ralphxyz
USBasp Help! 3 5023 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7114 May 04, 2015
by mongo
Need to replace Wall Watt 16 4502 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4265 April 10, 2015
by Noter
My new 3D Printer 44 19716 April 07, 2015
by Rick_S
AtMega 644 2 4356 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3485 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3972 June 02, 2014
by JKITSON
Automated programming mode? 9 4360 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3994 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3850 January 28, 2014
by lailai
What kind of error is this? 4 3868 January 23, 2014
by Noter
How to double a DC voltage? 20 11017 January 12, 2014
by JKITSON
Is the code the driver? 2 3536 January 12, 2014
by Ralphxyz
Miniature headers 6 3973 January 01, 2014
by Ralphxyz
BLDC 8 3957 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4427 November 26, 2013
by Rick_S
GLCD SPI problems 14 7815 November 10, 2013
by andyi
Moving on... 7 3841 November 08, 2013
by Pr0ject
Power supply questions 4 5191 October 31, 2013
by sask55
OLED 4 3544 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15169 September 22, 2013
by sask55
Opto Interrupter once again 14 8001 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3951 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10759 September 02, 2013
by Ralphxyz
USB cable specifications 7 5181 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4357 August 27, 2013
by Affarram
XMEGA Breakout 8 4744 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3540 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4210 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4250 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10111 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14822 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3485 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4018 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64613 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3390 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3743 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7757 March 14, 2013
by mongo
Current vs Voltage 8 4694 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4554 March 09, 2013
by lnino
Electric current 2 3309 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6282 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8737 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8123 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4402 February 24, 2013
by lnino
Relay Question 27 7546 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7246 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4792 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4764 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4400 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4001 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4595 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3963 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4785 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3477 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3519 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4028 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9256 November 18, 2012
by carlhako
SPI slave clock 6 4193 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3611 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29269 October 23, 2012
by Noter
NPN circuit connection quandry 4 4208 September 24, 2012
by edb
Simple I/O circuit 4 3834 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3616 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3307 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5885 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3877 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6140 September 13, 2012
by dan_engbers
Electronics simulation 8 4472 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6551 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3770 August 20, 2012
by rblalock
louder sound 2 3531 August 18, 2012
by mongo
connector or cable for LCD display? 4 3704 August 13, 2012
by missle3944
Powering L.E.Ds 5 3862 August 09, 2012
by BobaMosfet
Wires in U.K 5 4387 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4265 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7054 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6861 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4640 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22027 July 21, 2012
by lnino
um help 6 3547 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4391 July 18, 2012
by Ralphxyz
help me 11 4203 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3641 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4879 June 24, 2012
by Ralphxyz
HELP 3 3448 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14129 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3561 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5391 June 17, 2012
by RogerFL
Programmable current source 6 5250 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5013 June 11, 2012
by mongo
HELP 6 3723 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4013 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48922 May 24, 2012
by Ralphxyz
i need a code 8 4138 May 15, 2012
by pcbolt
Clock Accuracy 30 8718 May 14, 2012
by HexManiac
Relays and Controlling them 9 4040 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4361 May 09, 2012
by RogerFL
Powering your NerdKit 7 3977 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3892 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7102 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4397 April 24, 2012
by pcbolt
Programs will not run 6 3822 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4482 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4192 April 09, 2012
by Ralphxyz
Path Lights controller 2 3701 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3823 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4350 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3958 April 01, 2012
by JamesFysh
Question on LCD screen 5 3956 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3901 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5140 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4741 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8437 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4054 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5115 March 15, 2012
by mongo
Digital servo issues! 9 4505 March 15, 2012
by Rick_S
Brushless motor control 16 4888 March 12, 2012
by hevans
Windows not detecting device 3 3706 March 10, 2012
by hevans
Voltage throught MCU 5 3659 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19152 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11048 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19824 March 01, 2012
by hevans
Up and running... 3 3414 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4089 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4388 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3701 February 24, 2012
by Rick_S
programming lcd trubs 7 3749 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4471 February 18, 2012
by Rick_S
Oscilloscope 15 5648 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9909 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4947 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4111 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10304 February 09, 2012
by mongo
Data transmission 3 4704 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4465 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5942 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3880 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3587 January 31, 2012
by tchilzer2
H bridge questions 6 4213 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4050 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4358 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4634 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7745 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4327 January 15, 2012
by Rick_S
Source of power? 19 4349 January 13, 2012
by mongo
symbol defined please? 4 4212 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17108 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3984 January 06, 2012
by boxvic
Basic LED circuit properties 8 4290 January 06, 2012
by boxvic
Getting Started 3 3800 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4949 January 02, 2012
by bodangly
SMD reflow 16 5007 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3937 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4712 December 23, 2011
by BobaMosfet
Potentiometer 8 5341 December 23, 2011
by huzbum
Fun with Op-Amps 3 5833 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4905 December 19, 2011
by n1cl3
Odessy of the minds 5 4205 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3604 November 27, 2011
by sazD
Initial Load 2 4220 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4789 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5662 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4301 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9316 November 10, 2011
by jfbrink
Servo Squitter Project 13 4022 November 09, 2011
by Heed
how do i run a program 4 3594 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3802 November 07, 2011
by Heed
Motor control question 2 3713 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9095 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3880 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3860 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94395 October 24, 2011
by glendon
Measuring Capacitance 9 5345 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3981 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5642 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21671 October 16, 2011
by sask55
RxD / TxD Questions 10 6911 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4051 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3933 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4174 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3750 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12567 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5372 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23602 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12247 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3600 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7187 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13002 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8287 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4774 September 01, 2011
by BobaMosfet
Dim LED 3 3616 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4138 August 23, 2011
by Twarter369
Easy Transistor Question 4 4726 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6441 August 18, 2011
by Ralphxyz
Building a coil?? 12 6393 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4051 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3728 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3535 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3492 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23198 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4821 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4158 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3912 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3976 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6737 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3594 July 17, 2011
by codenamejupiterx
avr macpack 3 3990 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3912 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3991 July 13, 2011
by BobaMosfet
Battery clip wires 3 3570 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3431 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3771 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3956 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4357 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24317 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3939 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4149 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6105 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4157 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4209 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4188 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4560 June 06, 2011
by mja
A couple of questions 3 3809 June 06, 2011
by Ralphxyz
How much should I strip? 3 3914 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4358 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3803 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4111 May 29, 2011
by Rick_S
Digital Input Question 4 3901 May 28, 2011
by frankdwest
PCB arrived 20 3802 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4420 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23067 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4402 May 09, 2011
by Noter
IR current 6 4135 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4864 May 04, 2011
by hariharan
Heat sensors 21 5121 May 04, 2011
by Hexorg
error 1 2 3669 May 02, 2011
by hevans
Transistor vs mosfet 13 11740 May 01, 2011
by Noter
PCB trace width calculator 3 5246 April 24, 2011
by esoderberg
OLED display 10 4964 April 23, 2011
by Rick_S
Power Supplies 17 5545 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3740 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4365 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3725 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4736 April 19, 2011
by mongo
Connecting to external control voltages 4 3831 April 19, 2011
by bretm
IR current question 7 3892 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4664 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4862 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4158 April 10, 2011
by uml_12
Basic projects 3 3792 April 09, 2011
by mongo
REFLOW oven 22 6750 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13658 April 07, 2011
by bretm
unexpected MCU rebooting 82 8709 April 05, 2011
by sask55
REFLOW Soldering 3 4680 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4114 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6440 March 30, 2011
by bretm
Black Display on LCD 6 4107 March 28, 2011
by Druidman
32kHz clock 2 3792 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10832 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11107 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5937 March 16, 2011
by mongo
LCD problem 3 4192 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4743 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4864 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3880 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7366 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4813 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4735 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11776 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8231 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5365 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8856 February 19, 2011
by Lusitania
My first Impression 6 4123 February 16, 2011
by devinsbusiness
Understanding battery life 3 5483 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5155 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4770 February 05, 2011
by BobaMosfet
High voltage lines 26 6764 February 02, 2011
by mongo
USB 3 3874 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4849 February 02, 2011
by Jalex
Alternating LED circuit 4 4636 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5921 January 31, 2011
by il1019
Affordable oscilloscopes 43 13760 January 27, 2011
by BStory
"And"gate unfinished thought 2 3784 January 27, 2011
by Hexorg
replace MCU? 30 8837 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4502 January 25, 2011
by Ralphxyz
Multimeter! 12 6713 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5398 January 25, 2011
by Jalex
My LED Cube so far 25 10169 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5268 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4699 January 18, 2011
by dgikuljot
Counting 5 3762 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8351 January 17, 2011
by bretm
Programming 5 4552 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4950 January 11, 2011
by Yourself
Begining 7 5012 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5400 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4789 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4049 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4449 January 06, 2011
by Mujda
Data input voltage 6 4625 January 03, 2011
by Rick_S
MOSFET Question 7 4664 December 31, 2010
by Keyster
Transistor as a switch 5 4591 December 29, 2010
by Hexorg
Resistors 5 5033 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9920 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4978 December 28, 2010
by BobaMosfet
Relay ratings 2 4336 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19435 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4023 December 17, 2010
by mongo
Power Rectifier 7 4578 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6592 December 14, 2010
by danuke
This a decent oscilloscope? 8 4557 December 14, 2010
by danuke
Do resistors in series really add up? 8 5887 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5352 December 09, 2010
by bretm
L293 H-Bridge 15 5974 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6199 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6170 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5215 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5863 November 24, 2010
by BobaMosfet
Op-amp not working 6 6128 November 24, 2010
by BobaMosfet
Python questions 4 5108 November 21, 2010
by tkopriva
CE Amp design 5 4601 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4532 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4399 November 05, 2010
by Mujda
PC4 not working?! 8 4037 November 04, 2010
by hapshetsut
Amplifiers 4 4256 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5087 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5157 October 04, 2010
by Scythium
radio interference from NerdKit 11 4245 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8923 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4758 September 11, 2010
by akajester
QFP and dreadboard 2 4694 September 02, 2010
by bretm
Getting power to the spinning part... 5 4584 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12234 August 30, 2010
by Ralphxyz
morse code decoder 2 4724 August 26, 2010
by jonathan_m
Connecting to Computer 3 4637 August 25, 2010
by awesome
555 astable on breadboard 12 6154 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4278 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4715 August 19, 2010
by hevans
mosfet 3 4059 August 13, 2010
by hevans
Good material on learning electronics. 8 5027 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3954 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6437 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5771 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9007 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6293 July 02, 2010
by mongo
Electro Cardio Gram 4 5106 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4010 June 12, 2010
by Wobbler
Voltage Regulator 20 5593 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5222 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5875 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5560 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4748 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3977 June 06, 2010
by Kafke
TSSOP IC! 4 4720 June 03, 2010
by mrobbins
AVcc 2 4982 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4116 May 31, 2010
by hevans
Cable Driver 2 3899 May 31, 2010
by mongo
Best 9V adapter to use 2 4238 May 28, 2010
by mongo
Unidirectional microphones 5 4554 May 27, 2010
by mongo
Servo question 3 4054 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4686 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4589 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6182 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10840 May 21, 2010
by hevans
Chinese Solenoid 15 4515 May 10, 2010
by treymd
avrisp mkii circuit 4 5750 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4102 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9183 May 07, 2010
by rajabalu21
Simple Power Switch 6 4202 May 05, 2010
by avicell
I can haz speed! 3 4528 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6000 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4832 April 21, 2010
by bretm
Help with choosing the right resistor 10 5946 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10379 April 15, 2010
by bretm
Resistor 4 3880 April 15, 2010
by mongo
MCU digital input pins 3 4098 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4318 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10248 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6354 March 28, 2010
by carlhako
Laptop ground safety question 3 4419 March 27, 2010
by ese
LM34 R-C Damper 5 5906 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4730 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3993 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6013 March 23, 2010
by ese
constant system reset 3 3906 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4649 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5623 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5028 March 17, 2010
by Frozenlock
What is -VS? 6 7853 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5880 March 04, 2010
by treymd
Using MCU to connect two wires 3 4833 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9364 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4291 March 02, 2010
by Solorbob
Deciphering power resistors 11 4690 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4047 March 01, 2010
by nrotstan
Understanding LEDs 16 7148 March 01, 2010
by michaeldallas
What's the part I need? 5 4166 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11127 February 23, 2010
by rajabalu21
Too much power? 14 4961 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5584 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5442 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12776 February 18, 2010
by Rick_S
Serial port interface circuit 2 5136 February 17, 2010
by mongo
OBDII project 3 4192 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7601 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6816 February 13, 2010
by BobaMosfet
Digital pots 5 4422 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4585 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5603 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6515 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7057 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4944 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6641 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10389 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5363 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4588 December 27, 2009
by jgauthier
Servo Signal Noise 2 4103 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7393 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10885 December 10, 2009
by georgio
Relays and transistors 12 8883 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8953 December 09, 2009
by Rick_S
IR Detector 7 8296 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5156 November 19, 2009
by mikedoug
Debug with lcd 6 5137 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4659 November 15, 2009
by tech20
Understanding output pin characteristics 4 4471 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6344 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4694 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47903 October 30, 2009
by BobaMosfet
DIY header unit 2 4990 October 10, 2009
by rusirius
Thermostat Logging 6 6544 October 09, 2009
by luke
Understanding transistors 6 6324 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10172 October 07, 2009
by mikedoug
Currant booster 3 4085 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5139 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12972 August 27, 2009
by hevans
Which LED? 14 4883 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5807 August 07, 2009
by mongo
pull up, pull down resistors 7 17224 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11077 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6935 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6478 July 07, 2009
by sector0
Reset switch for circuit 3 4707 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31436 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5864 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4672 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4791 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5331 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4627 May 06, 2009
by paulip

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