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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8674 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8084 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6829 April 12, 2016
by Ralphxyz
USBasp Help! 3 5734 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7949 May 04, 2015
by mongo
Need to replace Wall Watt 16 5249 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4913 April 10, 2015
by Noter
My new 3D Printer 44 20477 April 07, 2015
by Rick_S
AtMega 644 2 4993 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4041 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4674 June 02, 2014
by JKITSON
Automated programming mode? 9 4964 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4556 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4562 January 28, 2014
by lailai
What kind of error is this? 4 4411 January 23, 2014
by Noter
How to double a DC voltage? 20 11754 January 12, 2014
by JKITSON
Is the code the driver? 2 4249 January 12, 2014
by Ralphxyz
Miniature headers 6 4513 January 01, 2014
by Ralphxyz
BLDC 8 4573 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5136 November 26, 2013
by Rick_S
GLCD SPI problems 14 8422 November 10, 2013
by andyi
Moving on... 7 4386 November 08, 2013
by Pr0ject
Power supply questions 4 5907 October 31, 2013
by sask55
OLED 4 4139 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16062 September 22, 2013
by sask55
Opto Interrupter once again 14 8775 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4579 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11498 September 02, 2013
by Ralphxyz
USB cable specifications 7 6005 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5038 August 27, 2013
by Affarram
XMEGA Breakout 8 5416 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4125 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4791 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4824 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11031 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15680 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4108 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4729 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65936 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3930 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4441 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8601 March 14, 2013
by mongo
Current vs Voltage 8 5535 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5143 March 09, 2013
by lnino
Electric current 2 3923 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6862 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9549 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8976 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4975 February 24, 2013
by lnino
Relay Question 27 8226 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7893 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5402 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5309 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5053 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4663 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5280 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4622 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5467 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3995 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4085 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4573 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9974 November 18, 2012
by carlhako
SPI slave clock 6 4770 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4180 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30818 October 23, 2012
by Noter
NPN circuit connection quandry 4 4746 September 24, 2012
by edb
Simple I/O circuit 4 4401 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4190 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3860 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6616 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4409 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6781 September 13, 2012
by dan_engbers
Electronics simulation 8 5053 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7158 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4316 August 20, 2012
by rblalock
louder sound 2 4088 August 18, 2012
by mongo
connector or cable for LCD display? 4 4307 August 13, 2012
by missle3944
Powering L.E.Ds 5 4430 August 09, 2012
by BobaMosfet
Wires in U.K 5 4905 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4809 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7743 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7449 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5224 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22726 July 21, 2012
by lnino
um help 6 3900 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4934 July 18, 2012
by Ralphxyz
help me 11 4791 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4191 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5476 June 24, 2012
by Ralphxyz
HELP 3 3941 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14847 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4050 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5974 June 17, 2012
by RogerFL
Programmable current source 6 5930 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5562 June 11, 2012
by mongo
HELP 6 4267 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4650 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50416 May 24, 2012
by Ralphxyz
i need a code 8 4670 May 15, 2012
by pcbolt
Clock Accuracy 30 9314 May 14, 2012
by HexManiac
Relays and Controlling them 9 4633 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4907 May 09, 2012
by RogerFL
Powering your NerdKit 7 4487 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4513 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7716 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4929 April 24, 2012
by pcbolt
Programs will not run 6 4396 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5020 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4711 April 09, 2012
by Ralphxyz
Path Lights controller 2 4267 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4388 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4906 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4483 April 01, 2012
by JamesFysh
Question on LCD screen 5 4492 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4435 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5736 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5369 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9070 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4574 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5730 March 15, 2012
by mongo
Digital servo issues! 9 5080 March 15, 2012
by Rick_S
Brushless motor control 16 5432 March 12, 2012
by hevans
Windows not detecting device 3 4226 March 10, 2012
by hevans
Voltage throught MCU 5 4239 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20035 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11790 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20929 March 01, 2012
by hevans
Up and running... 3 4029 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4692 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5049 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4272 February 24, 2012
by Rick_S
programming lcd trubs 7 4335 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5051 February 18, 2012
by Rick_S
Oscilloscope 15 6322 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10797 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5488 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4675 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11246 February 09, 2012
by mongo
Data transmission 3 5238 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5039 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6609 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4523 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4086 January 31, 2012
by tchilzer2
H bridge questions 6 4862 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4599 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5004 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5225 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8337 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4873 January 15, 2012
by Rick_S
Source of power? 19 5004 January 13, 2012
by mongo
symbol defined please? 4 4719 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17912 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4616 January 06, 2012
by boxvic
Basic LED circuit properties 8 4830 January 06, 2012
by boxvic
Getting Started 3 4314 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5502 January 02, 2012
by bodangly
SMD reflow 16 5591 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4564 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5245 December 23, 2011
by BobaMosfet
Potentiometer 8 6163 December 23, 2011
by huzbum
Fun with Op-Amps 3 6410 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5481 December 19, 2011
by n1cl3
Odessy of the minds 5 4765 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4130 November 27, 2011
by sazD
Initial Load 2 4799 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5497 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6186 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4858 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9984 November 10, 2011
by jfbrink
Servo Squitter Project 13 4596 November 09, 2011
by Heed
how do i run a program 4 4174 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4425 November 07, 2011
by Heed
Motor control question 2 4222 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9824 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4468 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4357 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96204 October 24, 2011
by glendon
Measuring Capacitance 9 5890 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4517 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6253 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22761 October 16, 2011
by sask55
RxD / TxD Questions 10 7668 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4597 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4492 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4784 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4293 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13559 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5954 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24359 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13017 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4228 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7777 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13748 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8880 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5332 September 01, 2011
by BobaMosfet
Dim LED 3 4165 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4693 August 23, 2011
by Twarter369
Easy Transistor Question 4 5316 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7047 August 18, 2011
by Ralphxyz
Building a coil?? 12 7079 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4596 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4242 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4072 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4020 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24065 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5348 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4757 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4469 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4511 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7279 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4167 July 17, 2011
by codenamejupiterx
avr macpack 3 4541 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4520 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4608 July 13, 2011
by BobaMosfet
Battery clip wires 3 4104 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3967 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4268 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4508 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4912 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25194 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4478 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4711 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6794 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4743 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4762 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4679 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5221 June 06, 2011
by mja
A couple of questions 3 4384 June 06, 2011
by Ralphxyz
How much should I strip? 3 4454 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4944 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4324 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4659 May 29, 2011
by Rick_S
Digital Input Question 4 4401 May 28, 2011
by frankdwest
PCB arrived 20 4393 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5041 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23948 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4983 May 09, 2011
by Noter
IR current 6 4701 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5404 May 04, 2011
by hariharan
Heat sensors 21 5776 May 04, 2011
by Hexorg
error 1 2 4247 May 02, 2011
by hevans
Transistor vs mosfet 13 12498 May 01, 2011
by Noter
PCB trace width calculator 3 5855 April 24, 2011
by esoderberg
OLED display 10 5557 April 23, 2011
by Rick_S
Power Supplies 17 6117 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4227 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4936 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4363 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5386 April 19, 2011
by mongo
Connecting to external control voltages 4 4348 April 19, 2011
by bretm
IR current question 7 4461 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5248 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5428 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4714 April 10, 2011
by uml_12
Basic projects 3 4384 April 09, 2011
by mongo
REFLOW oven 22 7325 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14583 April 07, 2011
by bretm
unexpected MCU rebooting 82 9329 April 05, 2011
by sask55
REFLOW Soldering 3 5303 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4684 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7011 March 30, 2011
by bretm
Black Display on LCD 6 4658 March 28, 2011
by Druidman
32kHz clock 2 4306 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11448 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11921 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6495 March 16, 2011
by mongo
LCD problem 3 4706 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5301 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5406 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4414 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8068 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5337 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5282 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12337 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8995 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5960 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9417 February 19, 2011
by Lusitania
My first Impression 6 4806 February 16, 2011
by devinsbusiness
Understanding battery life 3 6079 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5707 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5330 February 05, 2011
by BobaMosfet
High voltage lines 26 7494 February 02, 2011
by mongo
USB 3 4368 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5417 February 02, 2011
by Jalex
Alternating LED circuit 4 5309 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6638 January 31, 2011
by il1019
Affordable oscilloscopes 43 14701 January 27, 2011
by BStory
"And"gate unfinished thought 2 4496 January 27, 2011
by Hexorg
replace MCU? 30 9523 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5059 January 25, 2011
by Ralphxyz
Multimeter! 12 7356 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5996 January 25, 2011
by Jalex
My LED Cube so far 25 10779 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5817 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5238 January 18, 2011
by dgikuljot
Counting 5 4453 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9087 January 17, 2011
by bretm
Programming 5 5310 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5519 January 11, 2011
by Yourself
Begining 7 5592 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5982 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5326 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4621 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5161 January 06, 2011
by Mujda
Data input voltage 6 5157 January 03, 2011
by Rick_S
MOSFET Question 7 5314 December 31, 2010
by Keyster
Transistor as a switch 5 5345 December 29, 2010
by Hexorg
Resistors 5 5706 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10583 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5560 December 28, 2010
by BobaMosfet
Relay ratings 2 4883 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20184 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4725 December 17, 2010
by mongo
Power Rectifier 7 6567 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7321 December 14, 2010
by danuke
This a decent oscilloscope? 8 5125 December 14, 2010
by danuke
Do resistors in series really add up? 8 6516 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5932 December 09, 2010
by bretm
L293 H-Bridge 15 6615 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6812 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6979 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5913 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6413 November 24, 2010
by BobaMosfet
Op-amp not working 6 6711 November 24, 2010
by BobaMosfet
Python questions 4 5680 November 21, 2010
by tkopriva
CE Amp design 5 5195 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5123 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4965 November 05, 2010
by Mujda
PC4 not working?! 8 4827 November 04, 2010
by hapshetsut
Amplifiers 4 4801 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5652 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5743 October 04, 2010
by Scythium
radio interference from NerdKit 11 4844 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9481 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5353 September 11, 2010
by akajester
QFP and dreadboard 2 5246 September 02, 2010
by bretm
Getting power to the spinning part... 5 5122 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13028 August 30, 2010
by Ralphxyz
morse code decoder 2 5237 August 26, 2010
by jonathan_m
Connecting to Computer 3 5205 August 25, 2010
by awesome
555 astable on breadboard 12 6726 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4826 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5340 August 19, 2010
by hevans
mosfet 3 4603 August 13, 2010
by hevans
Good material on learning electronics. 8 5593 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4479 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7136 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6408 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9736 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6885 July 02, 2010
by mongo
Electro Cardio Gram 4 5739 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4531 June 12, 2010
by Wobbler
Voltage Regulator 20 6252 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5784 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6451 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6112 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5303 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4547 June 06, 2010
by Kafke
TSSOP IC! 4 5315 June 03, 2010
by mrobbins
AVcc 2 5550 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4755 May 31, 2010
by hevans
Cable Driver 2 4429 May 31, 2010
by mongo
Best 9V adapter to use 2 4871 May 28, 2010
by mongo
Unidirectional microphones 5 5110 May 27, 2010
by mongo
Servo question 3 4588 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5289 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5127 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6808 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11679 May 21, 2010
by hevans
Chinese Solenoid 15 5095 May 10, 2010
by treymd
avrisp mkii circuit 4 6327 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4659 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9947 May 07, 2010
by rajabalu21
Simple Power Switch 6 4751 May 05, 2010
by avicell
I can haz speed! 3 5092 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6597 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5430 April 21, 2010
by bretm
Help with choosing the right resistor 10 6537 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11163 April 15, 2010
by bretm
Resistor 4 4456 April 15, 2010
by mongo
MCU digital input pins 3 4641 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4953 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10820 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6899 March 28, 2010
by carlhako
Laptop ground safety question 3 4979 March 27, 2010
by ese
LM34 R-C Damper 5 6554 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5276 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4542 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6585 March 23, 2010
by ese
constant system reset 3 4469 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5232 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6288 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5573 March 17, 2010
by Frozenlock
What is -VS? 6 8629 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6390 March 04, 2010
by treymd
Using MCU to connect two wires 3 5468 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10084 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4890 March 02, 2010
by Solorbob
Deciphering power resistors 11 5261 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4659 March 01, 2010
by nrotstan
Understanding LEDs 16 7830 March 01, 2010
by michaeldallas
What's the part I need? 5 4775 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11791 February 23, 2010
by rajabalu21
Too much power? 14 5511 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6189 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6113 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13544 February 18, 2010
by Rick_S
Serial port interface circuit 2 5669 February 17, 2010
by mongo
OBDII project 3 4737 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8294 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7468 February 13, 2010
by BobaMosfet
Digital pots 5 4977 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5280 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6121 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7549 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7688 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5546 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7268 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11066 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5896 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5126 December 27, 2009
by jgauthier
Servo Signal Noise 2 4692 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8029 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11477 December 10, 2009
by georgio
Relays and transistors 12 9484 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9538 December 09, 2009
by Rick_S
IR Detector 7 9013 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5733 November 19, 2009
by mikedoug
Debug with lcd 6 5681 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5170 November 15, 2009
by tech20
Understanding output pin characteristics 4 5048 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7004 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5330 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48812 October 30, 2009
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DIY header unit 2 5528 October 10, 2009
by rusirius
Thermostat Logging 6 7156 October 09, 2009
by luke
Understanding transistors 6 6863 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10825 October 07, 2009
by mikedoug
Currant booster 3 4677 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5662 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13648 August 27, 2009
by hevans
Which LED? 14 5419 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6448 August 07, 2009
by mongo
pull up, pull down resistors 7 17844 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11768 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7698 August 05, 2009
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Power MOSFET - Understanding and headaches 4 7086 July 07, 2009
by sector0
Reset switch for circuit 3 5339 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31958 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6453 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5225 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5363 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5856 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5189 May 06, 2009
by paulip

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Did you know that essentially all power supplies' voltages drop when current is drawn from them? Learn more...