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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8920 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8293 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7011 April 12, 2016
by Ralphxyz
USBasp Help! 3 5914 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8191 May 04, 2015
by mongo
Need to replace Wall Watt 16 5417 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5064 April 10, 2015
by Noter
My new 3D Printer 44 20648 April 07, 2015
by Rick_S
AtMega 644 2 5105 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4149 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4830 June 02, 2014
by JKITSON
Automated programming mode? 9 5116 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4692 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4722 January 28, 2014
by lailai
What kind of error is this? 4 4519 January 23, 2014
by Noter
How to double a DC voltage? 20 11937 January 12, 2014
by JKITSON
Is the code the driver? 2 4408 January 12, 2014
by Ralphxyz
Miniature headers 6 4625 January 01, 2014
by Ralphxyz
BLDC 8 4720 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5313 November 26, 2013
by Rick_S
GLCD SPI problems 14 8583 November 10, 2013
by andyi
Moving on... 7 4518 November 08, 2013
by Pr0ject
Power supply questions 4 6088 October 31, 2013
by sask55
OLED 4 4290 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16321 September 22, 2013
by sask55
Opto Interrupter once again 14 8976 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4696 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11728 September 02, 2013
by Ralphxyz
USB cable specifications 7 6266 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5222 August 27, 2013
by Affarram
XMEGA Breakout 8 5590 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4245 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4921 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4965 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11596 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16285 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4256 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4860 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66346 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4057 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4617 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8787 March 14, 2013
by mongo
Current vs Voltage 8 5689 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5265 March 09, 2013
by lnino
Electric current 2 4037 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6978 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9869 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9474 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5118 February 24, 2013
by lnino
Relay Question 27 8382 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8074 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5560 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5416 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5195 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4783 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5472 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4780 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5601 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4118 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4189 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4675 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10244 November 18, 2012
by carlhako
SPI slave clock 6 4913 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4298 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31327 October 23, 2012
by Noter
NPN circuit connection quandry 4 4874 September 24, 2012
by edb
Simple I/O circuit 4 4528 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4300 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4029 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6860 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4520 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6910 September 13, 2012
by dan_engbers
Electronics simulation 8 5154 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7317 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4429 August 20, 2012
by rblalock
louder sound 2 4198 August 18, 2012
by mongo
connector or cable for LCD display? 4 4415 August 13, 2012
by missle3944
Powering L.E.Ds 5 4549 August 09, 2012
by BobaMosfet
Wires in U.K 5 5014 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4932 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8051 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7592 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5397 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22925 July 21, 2012
by lnino
um help 6 4005 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5060 July 18, 2012
by Ralphxyz
help me 11 4918 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4313 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5634 June 24, 2012
by Ralphxyz
HELP 3 4056 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15058 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4168 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6091 June 17, 2012
by RogerFL
Programmable current source 6 6154 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5688 June 11, 2012
by mongo
HELP 6 4384 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4788 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52484 May 24, 2012
by Ralphxyz
i need a code 8 4788 May 15, 2012
by pcbolt
Clock Accuracy 30 9457 May 14, 2012
by HexManiac
Relays and Controlling them 9 4767 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5030 May 09, 2012
by RogerFL
Powering your NerdKit 7 4609 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4640 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7892 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5037 April 24, 2012
by pcbolt
Programs will not run 6 4527 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5171 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4826 April 09, 2012
by Ralphxyz
Path Lights controller 2 4389 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4502 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5054 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4600 April 01, 2012
by JamesFysh
Question on LCD screen 5 4609 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4579 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5908 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5517 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9247 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4687 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5997 March 15, 2012
by mongo
Digital servo issues! 9 5226 March 15, 2012
by Rick_S
Brushless motor control 16 5558 March 12, 2012
by hevans
Windows not detecting device 3 4359 March 10, 2012
by hevans
Voltage throught MCU 5 4368 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20259 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12098 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21510 March 01, 2012
by hevans
Up and running... 3 4154 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4811 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5167 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4400 February 24, 2012
by Rick_S
programming lcd trubs 7 4516 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5188 February 18, 2012
by Rick_S
Oscilloscope 15 6470 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10993 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5611 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4797 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11613 February 09, 2012
by mongo
Data transmission 3 5354 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5159 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6729 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4657 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4187 January 31, 2012
by tchilzer2
H bridge questions 6 4988 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4732 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5154 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5358 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8486 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5017 January 15, 2012
by Rick_S
Source of power? 19 5152 January 13, 2012
by mongo
symbol defined please? 4 4826 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18220 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4731 January 06, 2012
by boxvic
Basic LED circuit properties 8 4962 January 06, 2012
by boxvic
Getting Started 3 4426 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5617 January 02, 2012
by bodangly
SMD reflow 16 5728 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4685 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5349 December 23, 2011
by BobaMosfet
Potentiometer 8 6323 December 23, 2011
by huzbum
Fun with Op-Amps 3 6562 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5641 December 19, 2011
by n1cl3
Odessy of the minds 5 4870 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4256 November 27, 2011
by sazD
Initial Load 2 4904 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5640 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6319 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4971 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10154 November 10, 2011
by jfbrink
Servo Squitter Project 13 4717 November 09, 2011
by Heed
how do i run a program 4 4277 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4532 November 07, 2011
by Heed
Motor control question 2 4318 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10043 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4601 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4480 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97769 October 24, 2011
by glendon
Measuring Capacitance 9 6017 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4628 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6381 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23254 October 16, 2011
by sask55
RxD / TxD Questions 10 7952 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4714 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4605 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4893 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4390 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14237 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6088 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24595 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13319 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4334 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7920 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14054 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9031 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5477 September 01, 2011
by BobaMosfet
Dim LED 3 4296 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4807 August 23, 2011
by Twarter369
Easy Transistor Question 4 5456 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7416 August 18, 2011
by Ralphxyz
Building a coil?? 12 7226 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4711 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4366 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4195 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4128 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24291 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5462 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4868 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4577 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4622 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7423 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4284 July 17, 2011
by codenamejupiterx
avr macpack 3 4651 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4646 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4755 July 13, 2011
by BobaMosfet
Battery clip wires 3 4196 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4090 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4378 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4626 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5089 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25429 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4606 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4830 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6952 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4890 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4902 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4776 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5393 June 06, 2011
by mja
A couple of questions 3 4502 June 06, 2011
by Ralphxyz
How much should I strip? 3 4572 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5053 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4454 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4791 May 29, 2011
by Rick_S
Digital Input Question 4 4524 May 28, 2011
by frankdwest
PCB arrived 20 4507 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5157 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24197 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5110 May 09, 2011
by Noter
IR current 6 4808 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5536 May 04, 2011
by hariharan
Heat sensors 21 5912 May 04, 2011
by Hexorg
error 1 2 4405 May 02, 2011
by hevans
Transistor vs mosfet 13 12703 May 01, 2011
by Noter
PCB trace width calculator 3 5966 April 24, 2011
by esoderberg
OLED display 10 5690 April 23, 2011
by Rick_S
Power Supplies 17 6238 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4328 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5034 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4481 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5504 April 19, 2011
by mongo
Connecting to external control voltages 4 4451 April 19, 2011
by bretm
IR current question 7 4577 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5368 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5565 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4825 April 10, 2011
by uml_12
Basic projects 3 4498 April 09, 2011
by mongo
REFLOW oven 22 7459 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14850 April 07, 2011
by bretm
unexpected MCU rebooting 82 9525 April 05, 2011
by sask55
REFLOW Soldering 3 5464 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4796 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7145 March 30, 2011
by bretm
Black Display on LCD 6 4763 March 28, 2011
by Druidman
32kHz clock 2 4418 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11672 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12280 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6636 March 16, 2011
by mongo
LCD problem 3 4804 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5437 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5511 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4517 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8246 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5461 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5409 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12461 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9205 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6091 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9550 February 19, 2011
by Lusitania
My first Impression 6 4931 February 16, 2011
by devinsbusiness
Understanding battery life 3 6256 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5823 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5468 February 05, 2011
by BobaMosfet
High voltage lines 26 7666 February 02, 2011
by mongo
USB 3 4472 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5553 February 02, 2011
by Jalex
Alternating LED circuit 4 5427 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6769 January 31, 2011
by il1019
Affordable oscilloscopes 43 15147 January 27, 2011
by BStory
"And"gate unfinished thought 2 4629 January 27, 2011
by Hexorg
replace MCU? 30 9734 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5196 January 25, 2011
by Ralphxyz
Multimeter! 12 7486 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6131 January 25, 2011
by Jalex
My LED Cube so far 25 10907 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5917 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5356 January 18, 2011
by dgikuljot
Counting 5 4579 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9236 January 17, 2011
by bretm
Programming 5 5460 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5647 January 11, 2011
by Yourself
Begining 7 5728 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6106 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5436 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4756 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5295 January 06, 2011
by Mujda
Data input voltage 6 5291 January 03, 2011
by Rick_S
MOSFET Question 7 5445 December 31, 2010
by Keyster
Transistor as a switch 5 5486 December 29, 2010
by Hexorg
Resistors 5 5841 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10793 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5702 December 28, 2010
by BobaMosfet
Relay ratings 2 5005 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20354 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4838 December 17, 2010
by mongo
Power Rectifier 7 7135 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7481 December 14, 2010
by danuke
This a decent oscilloscope? 8 5248 December 14, 2010
by danuke
Do resistors in series really add up? 8 6680 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6071 December 09, 2010
by bretm
L293 H-Bridge 15 6763 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6976 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7142 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6043 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6570 November 24, 2010
by BobaMosfet
Op-amp not working 6 6842 November 24, 2010
by BobaMosfet
Python questions 4 5799 November 21, 2010
by tkopriva
CE Amp design 5 5359 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5245 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5102 November 05, 2010
by Mujda
PC4 not working?! 8 4963 November 04, 2010
by hapshetsut
Amplifiers 4 4914 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5778 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5873 October 04, 2010
by Scythium
radio interference from NerdKit 11 4997 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9622 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5471 September 11, 2010
by akajester
QFP and dreadboard 2 5373 September 02, 2010
by bretm
Getting power to the spinning part... 5 5228 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13187 August 30, 2010
by Ralphxyz
morse code decoder 2 5341 August 26, 2010
by jonathan_m
Connecting to Computer 3 5325 August 25, 2010
by awesome
555 astable on breadboard 12 6830 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4945 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5443 August 19, 2010
by hevans
mosfet 3 4705 August 13, 2010
by hevans
Good material on learning electronics. 8 5708 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4591 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7321 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6533 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9943 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7008 July 02, 2010
by mongo
Electro Cardio Gram 4 5889 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4649 June 12, 2010
by Wobbler
Voltage Regulator 20 6367 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5919 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6589 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6231 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5429 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4662 June 06, 2010
by Kafke
TSSOP IC! 4 5433 June 03, 2010
by mrobbins
AVcc 2 5667 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4872 May 31, 2010
by hevans
Cable Driver 2 4550 May 31, 2010
by mongo
Best 9V adapter to use 2 4993 May 28, 2010
by mongo
Unidirectional microphones 5 5230 May 27, 2010
by mongo
Servo question 3 4710 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5396 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5252 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6926 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11900 May 21, 2010
by hevans
Chinese Solenoid 15 5228 May 10, 2010
by treymd
avrisp mkii circuit 4 6433 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4772 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10142 May 07, 2010
by rajabalu21
Simple Power Switch 6 4860 May 05, 2010
by avicell
I can haz speed! 3 5213 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6722 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5556 April 21, 2010
by bretm
Help with choosing the right resistor 10 6658 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11430 April 15, 2010
by bretm
Resistor 4 4577 April 15, 2010
by mongo
MCU digital input pins 3 4776 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5056 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10946 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7003 March 28, 2010
by carlhako
Laptop ground safety question 3 5083 March 27, 2010
by ese
LM34 R-C Damper 5 6664 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5384 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4687 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6696 March 23, 2010
by ese
constant system reset 3 4579 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5357 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6443 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5682 March 17, 2010
by Frozenlock
What is -VS? 6 8749 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6492 March 04, 2010
by treymd
Using MCU to connect two wires 3 5577 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10380 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5012 March 02, 2010
by Solorbob
Deciphering power resistors 11 5401 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4779 March 01, 2010
by nrotstan
Understanding LEDs 16 8004 March 01, 2010
by michaeldallas
What's the part I need? 5 4889 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11932 February 23, 2010
by rajabalu21
Too much power? 14 5637 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6297 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6252 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13791 February 18, 2010
by Rick_S
Serial port interface circuit 2 5786 February 17, 2010
by mongo
OBDII project 3 4845 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8457 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7615 February 13, 2010
by BobaMosfet
Digital pots 5 5074 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5404 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6279 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7687 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7840 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5639 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7436 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11338 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6025 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5234 December 27, 2009
by jgauthier
Servo Signal Noise 2 4790 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8174 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11635 December 10, 2009
by georgio
Relays and transistors 12 9616 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9680 December 09, 2009
by Rick_S
IR Detector 7 9218 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5841 November 19, 2009
by mikedoug
Debug with lcd 6 5804 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5269 November 15, 2009
by tech20
Understanding output pin characteristics 4 5178 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7188 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5454 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49307 October 30, 2009
by BobaMosfet
DIY header unit 2 5628 October 10, 2009
by rusirius
Thermostat Logging 6 7291 October 09, 2009
by luke
Understanding transistors 6 6974 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10961 October 07, 2009
by mikedoug
Currant booster 3 4787 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5770 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13821 August 27, 2009
by hevans
Which LED? 14 5538 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6576 August 07, 2009
by mongo
pull up, pull down resistors 7 17999 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11997 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7824 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7218 July 07, 2009
by sector0
Reset switch for circuit 3 5447 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32087 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6582 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5346 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5502 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5968 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5316 May 06, 2009
by paulip

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