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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9093 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8423 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7140 April 12, 2016
by Ralphxyz
USBasp Help! 3 6046 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8343 May 04, 2015
by mongo
Need to replace Wall Watt 16 5543 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5180 April 10, 2015
by Noter
My new 3D Printer 44 20758 April 07, 2015
by Rick_S
AtMega 644 2 5187 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4245 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4937 June 02, 2014
by JKITSON
Automated programming mode? 9 5219 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4789 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4824 January 28, 2014
by lailai
What kind of error is this? 4 4591 January 23, 2014
by Noter
How to double a DC voltage? 20 12062 January 12, 2014
by JKITSON
Is the code the driver? 2 4503 January 12, 2014
by Ralphxyz
Miniature headers 6 4714 January 01, 2014
by Ralphxyz
BLDC 8 4821 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5417 November 26, 2013
by Rick_S
GLCD SPI problems 14 8721 November 10, 2013
by andyi
Moving on... 7 4614 November 08, 2013
by Pr0ject
Power supply questions 4 6190 October 31, 2013
by sask55
OLED 4 4377 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16501 September 22, 2013
by sask55
Opto Interrupter once again 14 9124 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4779 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11886 September 02, 2013
by Ralphxyz
USB cable specifications 7 6444 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5326 August 27, 2013
by Affarram
XMEGA Breakout 8 5691 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4338 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5014 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5047 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11858 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16513 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4349 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4953 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66571 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4140 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4712 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8910 March 14, 2013
by mongo
Current vs Voltage 8 5783 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5368 March 09, 2013
by lnino
Electric current 2 4119 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7072 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 10015 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9683 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5210 February 24, 2013
by lnino
Relay Question 27 8495 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8183 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5661 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5494 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5294 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4857 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5585 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4880 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5697 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4218 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4274 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4795 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10433 November 18, 2012
by carlhako
SPI slave clock 6 5007 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4379 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31725 October 23, 2012
by Noter
NPN circuit connection quandry 4 4957 September 24, 2012
by edb
Simple I/O circuit 4 4615 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4373 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4128 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6974 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4610 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 7005 September 13, 2012
by dan_engbers
Electronics simulation 8 5240 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7427 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4513 August 20, 2012
by rblalock
louder sound 2 4281 August 18, 2012
by mongo
connector or cable for LCD display? 4 4502 August 13, 2012
by missle3944
Powering L.E.Ds 5 4636 August 09, 2012
by BobaMosfet
Wires in U.K 5 5105 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5020 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8190 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7697 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5520 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23048 July 21, 2012
by lnino
um help 6 4091 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5147 July 18, 2012
by Ralphxyz
help me 11 5012 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4416 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5732 June 24, 2012
by Ralphxyz
HELP 3 4129 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15177 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4255 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6178 June 17, 2012
by RogerFL
Programmable current source 6 6266 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5765 June 11, 2012
by mongo
HELP 6 4470 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4889 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52786 May 24, 2012
by Ralphxyz
i need a code 8 4877 May 15, 2012
by pcbolt
Clock Accuracy 30 9560 May 14, 2012
by HexManiac
Relays and Controlling them 9 4859 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5118 May 09, 2012
by RogerFL
Powering your NerdKit 7 4698 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4728 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8014 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5114 April 24, 2012
by pcbolt
Programs will not run 6 4609 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5274 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4912 April 09, 2012
by Ralphxyz
Path Lights controller 2 4476 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4597 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5147 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4689 April 01, 2012
by JamesFysh
Question on LCD screen 5 4715 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4682 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6013 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5637 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9340 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4776 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6158 March 15, 2012
by mongo
Digital servo issues! 9 5326 March 15, 2012
by Rick_S
Brushless motor control 16 5658 March 12, 2012
by hevans
Windows not detecting device 3 4450 March 10, 2012
by hevans
Voltage throught MCU 5 4462 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20384 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12251 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21718 March 01, 2012
by hevans
Up and running... 3 4252 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4918 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5261 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4483 February 24, 2012
by Rick_S
programming lcd trubs 7 4613 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5273 February 18, 2012
by Rick_S
Oscilloscope 15 6578 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11112 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5712 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4894 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12245 February 09, 2012
by mongo
Data transmission 3 5431 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5244 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6823 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4769 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4268 January 31, 2012
by tchilzer2
H bridge questions 6 5070 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4822 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5249 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5454 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8584 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5121 January 15, 2012
by Rick_S
Source of power? 19 5275 January 13, 2012
by mongo
symbol defined please? 4 4909 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18345 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4824 January 06, 2012
by boxvic
Basic LED circuit properties 8 5047 January 06, 2012
by boxvic
Getting Started 3 4522 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5709 January 02, 2012
by bodangly
SMD reflow 16 5834 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4758 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5435 December 23, 2011
by BobaMosfet
Potentiometer 8 6443 December 23, 2011
by huzbum
Fun with Op-Amps 3 6656 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5735 December 19, 2011
by n1cl3
Odessy of the minds 5 4956 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4343 November 27, 2011
by sazD
Initial Load 2 4979 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5732 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6406 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5048 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10244 November 10, 2011
by jfbrink
Servo Squitter Project 13 4816 November 09, 2011
by Heed
how do i run a program 4 4365 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4612 November 07, 2011
by Heed
Motor control question 2 4410 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10163 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4681 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4572 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98130 October 24, 2011
by glendon
Measuring Capacitance 9 6112 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4704 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6464 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23485 October 16, 2011
by sask55
RxD / TxD Questions 10 8081 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4800 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4691 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4979 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4472 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14472 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6175 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24750 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13479 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4408 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8020 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14189 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9156 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5568 September 01, 2011
by BobaMosfet
Dim LED 3 4380 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4887 August 23, 2011
by Twarter369
Easy Transistor Question 4 5561 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7512 August 18, 2011
by Ralphxyz
Building a coil?? 12 7328 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4793 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4451 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4273 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4216 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24389 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5537 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4947 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4657 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4694 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7527 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4373 July 17, 2011
by codenamejupiterx
avr macpack 3 4733 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4736 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4843 July 13, 2011
by BobaMosfet
Battery clip wires 3 4270 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4169 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4459 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4711 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5174 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25555 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4678 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4904 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7052 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4988 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4990 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4858 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5522 June 06, 2011
by mja
A couple of questions 3 4602 June 06, 2011
by Ralphxyz
How much should I strip? 3 4647 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5139 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4545 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4862 May 29, 2011
by Rick_S
Digital Input Question 4 4619 May 28, 2011
by frankdwest
PCB arrived 20 4598 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5247 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24363 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5186 May 09, 2011
by Noter
IR current 6 4894 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5664 May 04, 2011
by hariharan
Heat sensors 21 6014 May 04, 2011
by Hexorg
error 1 2 4485 May 02, 2011
by hevans
Transistor vs mosfet 13 12814 May 01, 2011
by Noter
PCB trace width calculator 3 6044 April 24, 2011
by esoderberg
OLED display 10 5769 April 23, 2011
by Rick_S
Power Supplies 17 6323 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4404 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5119 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4578 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5605 April 19, 2011
by mongo
Connecting to external control voltages 4 4539 April 19, 2011
by bretm
IR current question 7 4663 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5456 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5654 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4901 April 10, 2011
by uml_12
Basic projects 3 4572 April 09, 2011
by mongo
REFLOW oven 22 7548 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15015 April 07, 2011
by bretm
unexpected MCU rebooting 82 9679 April 05, 2011
by sask55
REFLOW Soldering 3 5562 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4885 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7252 March 30, 2011
by bretm
Black Display on LCD 6 4844 March 28, 2011
by Druidman
32kHz clock 2 4496 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11850 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12440 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6715 March 16, 2011
by mongo
LCD problem 3 4892 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5529 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5594 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4593 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8359 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5577 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5486 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12545 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9326 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6180 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9671 February 19, 2011
by Lusitania
My first Impression 6 5025 February 16, 2011
by devinsbusiness
Understanding battery life 3 6362 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5904 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5557 February 05, 2011
by BobaMosfet
High voltage lines 26 7772 February 02, 2011
by mongo
USB 3 4549 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5638 February 02, 2011
by Jalex
Alternating LED circuit 4 5516 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6855 January 31, 2011
by il1019
Affordable oscilloscopes 43 15313 January 27, 2011
by BStory
"And"gate unfinished thought 2 4714 January 27, 2011
by Hexorg
replace MCU? 30 9855 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5295 January 25, 2011
by Ralphxyz
Multimeter! 12 7567 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6212 January 25, 2011
by Jalex
My LED Cube so far 25 11002 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 6001 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5443 January 18, 2011
by dgikuljot
Counting 5 4681 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9317 January 17, 2011
by bretm
Programming 5 5544 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5736 January 11, 2011
by Yourself
Begining 7 5822 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6194 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5515 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4850 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5384 January 06, 2011
by Mujda
Data input voltage 6 5372 January 03, 2011
by Rick_S
MOSFET Question 7 5568 December 31, 2010
by Keyster
Transistor as a switch 5 5575 December 29, 2010
by Hexorg
Resistors 5 5943 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10895 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5786 December 28, 2010
by BobaMosfet
Relay ratings 2 5086 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20469 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4931 December 17, 2010
by mongo
Power Rectifier 7 7234 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7576 December 14, 2010
by danuke
This a decent oscilloscope? 8 5335 December 14, 2010
by danuke
Do resistors in series really add up? 8 6768 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6155 December 09, 2010
by bretm
L293 H-Bridge 15 6849 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7076 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7259 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6138 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6667 November 24, 2010
by BobaMosfet
Op-amp not working 6 6932 November 24, 2010
by BobaMosfet
Python questions 4 5888 November 21, 2010
by tkopriva
CE Amp design 5 5445 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5327 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5194 November 05, 2010
by Mujda
PC4 not working?! 8 5048 November 04, 2010
by hapshetsut
Amplifiers 4 4990 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5869 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5968 October 04, 2010
by Scythium
radio interference from NerdKit 11 5080 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9700 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5569 September 11, 2010
by akajester
QFP and dreadboard 2 5462 September 02, 2010
by bretm
Getting power to the spinning part... 5 5301 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13287 August 30, 2010
by Ralphxyz
morse code decoder 2 5410 August 26, 2010
by jonathan_m
Connecting to Computer 3 5398 August 25, 2010
by awesome
555 astable on breadboard 12 6916 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5021 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5518 August 19, 2010
by hevans
mosfet 3 4787 August 13, 2010
by hevans
Good material on learning electronics. 8 5799 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4680 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7446 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6628 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10088 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7084 July 02, 2010
by mongo
Electro Cardio Gram 4 5988 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4725 June 12, 2010
by Wobbler
Voltage Regulator 20 6465 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6010 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6680 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6310 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5521 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4741 June 06, 2010
by Kafke
TSSOP IC! 4 5521 June 03, 2010
by mrobbins
AVcc 2 5746 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4958 May 31, 2010
by hevans
Cable Driver 2 4635 May 31, 2010
by mongo
Best 9V adapter to use 2 5065 May 28, 2010
by mongo
Unidirectional microphones 5 5304 May 27, 2010
by mongo
Servo question 3 4810 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5485 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5335 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 7002 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12030 May 21, 2010
by hevans
Chinese Solenoid 15 5334 May 10, 2010
by treymd
avrisp mkii circuit 4 6508 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4859 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10255 May 07, 2010
by rajabalu21
Simple Power Switch 6 4948 May 05, 2010
by avicell
I can haz speed! 3 5300 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6829 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5657 April 21, 2010
by bretm
Help with choosing the right resistor 10 6747 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11567 April 15, 2010
by bretm
Resistor 4 4663 April 15, 2010
by mongo
MCU digital input pins 3 4860 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5157 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11044 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7095 March 28, 2010
by carlhako
Laptop ground safety question 3 5162 March 27, 2010
by ese
LM34 R-C Damper 5 6774 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5467 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4762 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6796 March 23, 2010
by ese
constant system reset 3 4670 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5446 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6539 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5759 March 17, 2010
by Frozenlock
What is -VS? 6 8859 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6569 March 04, 2010
by treymd
Using MCU to connect two wires 3 5656 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10511 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5099 March 02, 2010
by Solorbob
Deciphering power resistors 11 5492 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4855 March 01, 2010
by nrotstan
Understanding LEDs 16 8115 March 01, 2010
by michaeldallas
What's the part I need? 5 4974 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12034 February 23, 2010
by rajabalu21
Too much power? 14 5726 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6381 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6352 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13926 February 18, 2010
by Rick_S
Serial port interface circuit 2 5869 February 17, 2010
by mongo
OBDII project 3 4933 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8562 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7714 February 13, 2010
by BobaMosfet
Digital pots 5 5176 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5496 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6372 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7785 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7934 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5722 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7547 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11452 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6127 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5322 December 27, 2009
by jgauthier
Servo Signal Noise 2 4882 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8260 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11742 December 10, 2009
by georgio
Relays and transistors 12 9712 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9772 December 09, 2009
by Rick_S
IR Detector 7 9335 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5927 November 19, 2009
by mikedoug
Debug with lcd 6 5893 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5342 November 15, 2009
by tech20
Understanding output pin characteristics 4 5269 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7282 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5551 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49504 October 30, 2009
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DIY header unit 2 5723 October 10, 2009
by rusirius
Thermostat Logging 6 7392 October 09, 2009
by luke
Understanding transistors 6 7052 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11043 October 07, 2009
by mikedoug
Currant booster 3 4886 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5851 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13925 August 27, 2009
by hevans
Which LED? 14 5644 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6680 August 07, 2009
by mongo
pull up, pull down resistors 7 18096 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12116 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7928 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7316 July 07, 2009
by sector0
Reset switch for circuit 3 5529 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32188 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6673 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5422 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5593 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6045 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5401 May 06, 2009
by paulip

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Did you know that you can input numbers in binary via a DIP switch, and output them to the LCD? Learn more...