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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8496 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7994 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6756 April 12, 2016
by Ralphxyz
USBasp Help! 3 5660 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7856 May 04, 2015
by mongo
Need to replace Wall Watt 16 5166 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4842 April 10, 2015
by Noter
My new 3D Printer 44 20392 April 07, 2015
by Rick_S
AtMega 644 2 4951 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3996 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4596 June 02, 2014
by JKITSON
Automated programming mode? 9 4896 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4501 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4463 January 28, 2014
by lailai
What kind of error is this? 4 4368 January 23, 2014
by Noter
How to double a DC voltage? 20 11666 January 12, 2014
by JKITSON
Is the code the driver? 2 4170 January 12, 2014
by Ralphxyz
Miniature headers 6 4470 January 01, 2014
by Ralphxyz
BLDC 8 4499 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5038 November 26, 2013
by Rick_S
GLCD SPI problems 14 8345 November 10, 2013
by andyi
Moving on... 7 4333 November 08, 2013
by Pr0ject
Power supply questions 4 5813 October 31, 2013
by sask55
OLED 4 4068 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15937 September 22, 2013
by sask55
Opto Interrupter once again 14 8676 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4525 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11413 September 02, 2013
by Ralphxyz
USB cable specifications 7 5890 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4944 August 27, 2013
by Affarram
XMEGA Breakout 8 5332 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4067 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4744 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4770 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10923 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15547 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4057 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4675 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65722 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3892 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4372 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8518 March 14, 2013
by mongo
Current vs Voltage 8 5446 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5085 March 09, 2013
by lnino
Electric current 2 3874 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6815 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9466 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8872 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4907 February 24, 2013
by lnino
Relay Question 27 8147 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7813 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5345 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5255 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4984 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4597 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5186 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4546 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5407 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3947 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4034 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4521 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9889 November 18, 2012
by carlhako
SPI slave clock 6 4711 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4138 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30585 October 23, 2012
by Noter
NPN circuit connection quandry 4 4692 September 24, 2012
by edb
Simple I/O circuit 4 4348 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4147 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3800 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6523 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4361 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6719 September 13, 2012
by dan_engbers
Electronics simulation 8 5008 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7090 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4269 August 20, 2012
by rblalock
louder sound 2 4034 August 18, 2012
by mongo
connector or cable for LCD display? 4 4253 August 13, 2012
by missle3944
Powering L.E.Ds 5 4377 August 09, 2012
by BobaMosfet
Wires in U.K 5 4850 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4765 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7671 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7390 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5160 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22648 July 21, 2012
by lnino
um help 6 3851 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4880 July 18, 2012
by Ralphxyz
help me 11 4737 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4143 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5412 June 24, 2012
by Ralphxyz
HELP 3 3899 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14773 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4008 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5926 June 17, 2012
by RogerFL
Programmable current source 6 5848 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5515 June 11, 2012
by mongo
HELP 6 4218 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4587 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50174 May 24, 2012
by Ralphxyz
i need a code 8 4618 May 15, 2012
by pcbolt
Clock Accuracy 30 9253 May 14, 2012
by HexManiac
Relays and Controlling them 9 4568 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4853 May 09, 2012
by RogerFL
Powering your NerdKit 7 4434 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4458 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7649 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4887 April 24, 2012
by pcbolt
Programs will not run 6 4347 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4974 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4654 April 09, 2012
by Ralphxyz
Path Lights controller 2 4213 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4332 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4843 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4435 April 01, 2012
by JamesFysh
Question on LCD screen 5 4445 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4391 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5659 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5298 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9005 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4516 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5654 March 15, 2012
by mongo
Digital servo issues! 9 5017 March 15, 2012
by Rick_S
Brushless motor control 16 5374 March 12, 2012
by hevans
Windows not detecting device 3 4172 March 10, 2012
by hevans
Voltage throught MCU 5 4190 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19928 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11690 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20790 March 01, 2012
by hevans
Up and running... 3 3975 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4643 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4992 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4220 February 24, 2012
by Rick_S
programming lcd trubs 7 4276 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5000 February 18, 2012
by Rick_S
Oscilloscope 15 6268 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10682 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5433 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4612 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11129 February 09, 2012
by mongo
Data transmission 3 5191 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4987 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6527 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4467 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4042 January 31, 2012
by tchilzer2
H bridge questions 6 4807 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4540 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4931 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5148 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8268 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4819 January 15, 2012
by Rick_S
Source of power? 19 4943 January 13, 2012
by mongo
symbol defined please? 4 4678 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17789 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4554 January 06, 2012
by boxvic
Basic LED circuit properties 8 4780 January 06, 2012
by boxvic
Getting Started 3 4264 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5445 January 02, 2012
by bodangly
SMD reflow 16 5536 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4513 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5194 December 23, 2011
by BobaMosfet
Potentiometer 8 6062 December 23, 2011
by huzbum
Fun with Op-Amps 3 6350 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5422 December 19, 2011
by n1cl3
Odessy of the minds 5 4716 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4087 November 27, 2011
by sazD
Initial Load 2 4751 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5427 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6120 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4801 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9877 November 10, 2011
by jfbrink
Servo Squitter Project 13 4537 November 09, 2011
by Heed
how do i run a program 4 4138 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4377 November 07, 2011
by Heed
Motor control question 2 4177 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9732 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4415 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4313 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95915 October 24, 2011
by glendon
Measuring Capacitance 9 5833 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4467 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6189 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22595 October 16, 2011
by sask55
RxD / TxD Questions 10 7578 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4552 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4443 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4708 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4245 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13375 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5888 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24275 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12893 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4176 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7707 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13626 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8825 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5271 September 01, 2011
by BobaMosfet
Dim LED 3 4113 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4636 August 23, 2011
by Twarter369
Easy Transistor Question 4 5260 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6980 August 18, 2011
by Ralphxyz
Building a coil?? 12 7014 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4551 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4201 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4023 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3977 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23959 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5294 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4717 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4421 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4460 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7235 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4112 July 17, 2011
by codenamejupiterx
avr macpack 3 4494 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4454 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4530 July 13, 2011
by BobaMosfet
Battery clip wires 3 4062 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3920 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4217 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4456 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4846 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25089 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4424 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4650 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6730 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4689 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4712 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4634 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5165 June 06, 2011
by mja
A couple of questions 3 4332 June 06, 2011
by Ralphxyz
How much should I strip? 3 4407 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4884 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4271 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4606 May 29, 2011
by Rick_S
Digital Input Question 4 4354 May 28, 2011
by frankdwest
PCB arrived 20 4346 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4995 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23849 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4941 May 09, 2011
by Noter
IR current 6 4653 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5348 May 04, 2011
by hariharan
Heat sensors 21 5709 May 04, 2011
by Hexorg
error 1 2 4182 May 02, 2011
by hevans
Transistor vs mosfet 13 12402 May 01, 2011
by Noter
PCB trace width calculator 3 5799 April 24, 2011
by esoderberg
OLED display 10 5488 April 23, 2011
by Rick_S
Power Supplies 17 6052 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4168 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4886 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4314 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5341 April 19, 2011
by mongo
Connecting to external control voltages 4 4298 April 19, 2011
by bretm
IR current question 7 4412 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5195 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5362 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4662 April 10, 2011
by uml_12
Basic projects 3 4325 April 09, 2011
by mongo
REFLOW oven 22 7272 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14463 April 07, 2011
by bretm
unexpected MCU rebooting 82 9268 April 05, 2011
by sask55
REFLOW Soldering 3 5247 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4633 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6956 March 30, 2011
by bretm
Black Display on LCD 6 4616 March 28, 2011
by Druidman
32kHz clock 2 4255 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11386 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11801 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6439 March 16, 2011
by mongo
LCD problem 3 4661 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5230 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5363 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4365 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7966 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5278 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5242 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12287 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8915 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5897 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9363 February 19, 2011
by Lusitania
My first Impression 6 4739 February 16, 2011
by devinsbusiness
Understanding battery life 3 6018 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5651 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5267 February 05, 2011
by BobaMosfet
High voltage lines 26 7427 February 02, 2011
by mongo
USB 3 4329 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5351 February 02, 2011
by Jalex
Alternating LED circuit 4 5268 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6583 January 31, 2011
by il1019
Affordable oscilloscopes 43 14562 January 27, 2011
by BStory
"And"gate unfinished thought 2 4449 January 27, 2011
by Hexorg
replace MCU? 30 9450 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5003 January 25, 2011
by Ralphxyz
Multimeter! 12 7284 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5931 January 25, 2011
by Jalex
My LED Cube so far 25 10719 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5770 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5192 January 18, 2011
by dgikuljot
Counting 5 4382 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9025 January 17, 2011
by bretm
Programming 5 5241 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5466 January 11, 2011
by Yourself
Begining 7 5539 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5925 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5277 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4576 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5113 January 06, 2011
by Mujda
Data input voltage 6 5107 January 03, 2011
by Rick_S
MOSFET Question 7 5259 December 31, 2010
by Keyster
Transistor as a switch 5 5284 December 29, 2010
by Hexorg
Resistors 5 5637 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10500 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5490 December 28, 2010
by BobaMosfet
Relay ratings 2 4834 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20111 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4681 December 17, 2010
by mongo
Power Rectifier 7 5305 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7218 December 14, 2010
by danuke
This a decent oscilloscope? 8 5064 December 14, 2010
by danuke
Do resistors in series really add up? 8 6448 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5877 December 09, 2010
by bretm
L293 H-Bridge 15 6550 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6749 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6927 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5852 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6350 November 24, 2010
by BobaMosfet
Op-amp not working 6 6651 November 24, 2010
by BobaMosfet
Python questions 4 5634 November 21, 2010
by tkopriva
CE Amp design 5 5134 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5076 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4907 November 05, 2010
by Mujda
PC4 not working?! 8 4758 November 04, 2010
by hapshetsut
Amplifiers 4 4747 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5604 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5687 October 04, 2010
by Scythium
radio interference from NerdKit 11 4781 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9416 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5305 September 11, 2010
by akajester
QFP and dreadboard 2 5205 September 02, 2010
by bretm
Getting power to the spinning part... 5 5078 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12942 August 30, 2010
by Ralphxyz
morse code decoder 2 5190 August 26, 2010
by jonathan_m
Connecting to Computer 3 5151 August 25, 2010
by awesome
555 astable on breadboard 12 6669 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4764 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5282 August 19, 2010
by hevans
mosfet 3 4552 August 13, 2010
by hevans
Good material on learning electronics. 8 5542 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4427 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7051 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6362 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9637 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6829 July 02, 2010
by mongo
Electro Cardio Gram 4 5669 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4499 June 12, 2010
by Wobbler
Voltage Regulator 20 6187 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5744 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6393 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6064 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5255 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4489 June 06, 2010
by Kafke
TSSOP IC! 4 5265 June 03, 2010
by mrobbins
AVcc 2 5509 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4708 May 31, 2010
by hevans
Cable Driver 2 4387 May 31, 2010
by mongo
Best 9V adapter to use 2 4822 May 28, 2010
by mongo
Unidirectional microphones 5 5058 May 27, 2010
by mongo
Servo question 3 4538 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5233 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5078 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6734 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11545 May 21, 2010
by hevans
Chinese Solenoid 15 5013 May 10, 2010
by treymd
avrisp mkii circuit 4 6277 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4609 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9864 May 07, 2010
by rajabalu21
Simple Power Switch 6 4702 May 05, 2010
by avicell
I can haz speed! 3 5049 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6533 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5389 April 21, 2010
by bretm
Help with choosing the right resistor 10 6477 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11029 April 15, 2010
by bretm
Resistor 4 4404 April 15, 2010
by mongo
MCU digital input pins 3 4598 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4894 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10760 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6848 March 28, 2010
by carlhako
Laptop ground safety question 3 4921 March 27, 2010
by ese
LM34 R-C Damper 5 6506 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5219 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4484 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6534 March 23, 2010
by ese
constant system reset 3 4411 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5185 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6220 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5526 March 17, 2010
by Frozenlock
What is -VS? 6 8559 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6347 March 04, 2010
by treymd
Using MCU to connect two wires 3 5404 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9985 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4844 March 02, 2010
by Solorbob
Deciphering power resistors 11 5204 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4615 March 01, 2010
by nrotstan
Understanding LEDs 16 7741 March 01, 2010
by michaeldallas
What's the part I need? 5 4723 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11723 February 23, 2010
by rajabalu21
Too much power? 14 5455 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6125 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6055 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13438 February 18, 2010
by Rick_S
Serial port interface circuit 2 5620 February 17, 2010
by mongo
OBDII project 3 4695 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8194 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7400 February 13, 2010
by BobaMosfet
Digital pots 5 4932 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5218 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6064 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7443 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7630 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5495 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7188 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10986 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5816 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5082 December 27, 2009
by jgauthier
Servo Signal Noise 2 4644 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7960 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11410 December 10, 2009
by georgio
Relays and transistors 12 9427 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9468 December 09, 2009
by Rick_S
IR Detector 7 8920 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5664 November 19, 2009
by mikedoug
Debug with lcd 6 5627 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5125 November 15, 2009
by tech20
Understanding output pin characteristics 4 4990 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6923 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5257 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48665 October 30, 2009
by BobaMosfet
DIY header unit 2 5485 October 10, 2009
by rusirius
Thermostat Logging 6 7097 October 09, 2009
by luke
Understanding transistors 6 6812 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10755 October 07, 2009
by mikedoug
Currant booster 3 4630 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5619 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13575 August 27, 2009
by hevans
Which LED? 14 5355 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6381 August 07, 2009
by mongo
pull up, pull down resistors 7 17789 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11696 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7630 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7028 July 07, 2009
by sector0
Reset switch for circuit 3 5297 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31915 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6394 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5178 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5308 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5810 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5137 May 06, 2009
by paulip

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Did you know that sound travels via pressure waves in the air, and you can make these with a piezoelectric buzzer? Learn more...