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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8465 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7974 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6739 April 12, 2016
by Ralphxyz
USBasp Help! 3 5641 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7838 May 04, 2015
by mongo
Need to replace Wall Watt 16 5149 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4828 April 10, 2015
by Noter
My new 3D Printer 44 20377 April 07, 2015
by Rick_S
AtMega 644 2 4942 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3984 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4570 June 02, 2014
by JKITSON
Automated programming mode? 9 4882 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4490 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4447 January 28, 2014
by lailai
What kind of error is this? 4 4360 January 23, 2014
by Noter
How to double a DC voltage? 20 11647 January 12, 2014
by JKITSON
Is the code the driver? 2 4150 January 12, 2014
by Ralphxyz
Miniature headers 6 4459 January 01, 2014
by Ralphxyz
BLDC 8 4481 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5018 November 26, 2013
by Rick_S
GLCD SPI problems 14 8329 November 10, 2013
by andyi
Moving on... 7 4322 November 08, 2013
by Pr0ject
Power supply questions 4 5789 October 31, 2013
by sask55
OLED 4 4054 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15923 September 22, 2013
by sask55
Opto Interrupter once again 14 8653 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4514 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11394 September 02, 2013
by Ralphxyz
USB cable specifications 7 5864 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4930 August 27, 2013
by Affarram
XMEGA Breakout 8 5317 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4052 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4729 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4753 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10901 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15519 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4043 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4662 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65640 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3879 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4351 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8496 March 14, 2013
by mongo
Current vs Voltage 8 5426 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5071 March 09, 2013
by lnino
Electric current 2 3859 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6801 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9450 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8843 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4895 February 24, 2013
by lnino
Relay Question 27 8132 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7796 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5325 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5244 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4966 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4581 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5167 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4533 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5388 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3933 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4026 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4510 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9867 November 18, 2012
by carlhako
SPI slave clock 6 4699 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4123 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30528 October 23, 2012
by Noter
NPN circuit connection quandry 4 4678 September 24, 2012
by edb
Simple I/O circuit 4 4336 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4132 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3785 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6502 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4350 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6709 September 13, 2012
by dan_engbers
Electronics simulation 8 4997 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7070 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4254 August 20, 2012
by rblalock
louder sound 2 4022 August 18, 2012
by mongo
connector or cable for LCD display? 4 4243 August 13, 2012
by missle3944
Powering L.E.Ds 5 4363 August 09, 2012
by BobaMosfet
Wires in U.K 5 4836 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4750 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7655 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7379 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5151 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22627 July 21, 2012
by lnino
um help 6 3840 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4868 July 18, 2012
by Ralphxyz
help me 11 4719 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4131 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5397 June 24, 2012
by Ralphxyz
HELP 3 3889 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14753 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3995 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5916 June 17, 2012
by RogerFL
Programmable current source 6 5834 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5500 June 11, 2012
by mongo
HELP 6 4207 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4571 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50078 May 24, 2012
by Ralphxyz
i need a code 8 4605 May 15, 2012
by pcbolt
Clock Accuracy 30 9237 May 14, 2012
by HexManiac
Relays and Controlling them 9 4555 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4836 May 09, 2012
by RogerFL
Powering your NerdKit 7 4421 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4448 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7634 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4873 April 24, 2012
by pcbolt
Programs will not run 6 4331 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4963 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4641 April 09, 2012
by Ralphxyz
Path Lights controller 2 4199 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4317 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4830 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4420 April 01, 2012
by JamesFysh
Question on LCD screen 5 4430 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4376 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5645 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5283 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8994 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4503 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5635 March 15, 2012
by mongo
Digital servo issues! 9 5004 March 15, 2012
by Rick_S
Brushless motor control 16 5360 March 12, 2012
by hevans
Windows not detecting device 3 4159 March 10, 2012
by hevans
Voltage throught MCU 5 4181 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19909 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11669 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20753 March 01, 2012
by hevans
Up and running... 3 3966 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4632 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4973 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4208 February 24, 2012
by Rick_S
programming lcd trubs 7 4265 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4984 February 18, 2012
by Rick_S
Oscilloscope 15 6258 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10662 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5424 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4600 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11108 February 09, 2012
by mongo
Data transmission 3 5182 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4973 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6512 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4456 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4027 January 31, 2012
by tchilzer2
H bridge questions 6 4792 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4526 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4911 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5136 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8255 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4804 January 15, 2012
by Rick_S
Source of power? 19 4927 January 13, 2012
by mongo
symbol defined please? 4 4666 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17767 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4539 January 06, 2012
by boxvic
Basic LED circuit properties 8 4764 January 06, 2012
by boxvic
Getting Started 3 4255 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5433 January 02, 2012
by bodangly
SMD reflow 16 5522 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4494 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5182 December 23, 2011
by BobaMosfet
Potentiometer 8 6032 December 23, 2011
by huzbum
Fun with Op-Amps 3 6331 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5411 December 19, 2011
by n1cl3
Odessy of the minds 5 4700 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4072 November 27, 2011
by sazD
Initial Load 2 4737 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5412 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6106 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4788 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9856 November 10, 2011
by jfbrink
Servo Squitter Project 13 4520 November 09, 2011
by Heed
how do i run a program 4 4128 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4364 November 07, 2011
by Heed
Motor control question 2 4163 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9712 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4398 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4299 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95847 October 24, 2011
by glendon
Measuring Capacitance 9 5818 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4455 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6169 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22559 October 16, 2011
by sask55
RxD / TxD Questions 10 7559 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4539 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4430 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4688 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4234 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13343 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5873 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24264 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12873 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4164 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7691 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13605 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8809 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5254 September 01, 2011
by BobaMosfet
Dim LED 3 4103 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4628 August 23, 2011
by Twarter369
Easy Transistor Question 4 5245 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6963 August 18, 2011
by Ralphxyz
Building a coil?? 12 6999 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4541 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4190 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4009 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3966 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23930 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5281 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4699 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4405 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4446 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7225 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4093 July 17, 2011
by codenamejupiterx
avr macpack 3 4482 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4442 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4515 July 13, 2011
by BobaMosfet
Battery clip wires 3 4048 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3906 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4207 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4443 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4829 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25067 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4415 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4636 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6712 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4666 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4701 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4625 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5149 June 06, 2011
by mja
A couple of questions 3 4320 June 06, 2011
by Ralphxyz
How much should I strip? 3 4396 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4869 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4260 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4597 May 29, 2011
by Rick_S
Digital Input Question 4 4343 May 28, 2011
by frankdwest
PCB arrived 20 4327 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4985 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23825 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4929 May 09, 2011
by Noter
IR current 6 4641 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5334 May 04, 2011
by hariharan
Heat sensors 21 5693 May 04, 2011
by Hexorg
error 1 2 4170 May 02, 2011
by hevans
Transistor vs mosfet 13 12369 May 01, 2011
by Noter
PCB trace width calculator 3 5784 April 24, 2011
by esoderberg
OLED display 10 5470 April 23, 2011
by Rick_S
Power Supplies 17 6033 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4158 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4875 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4297 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5327 April 19, 2011
by mongo
Connecting to external control voltages 4 4289 April 19, 2011
by bretm
IR current question 7 4403 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5183 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5349 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4653 April 10, 2011
by uml_12
Basic projects 3 4311 April 09, 2011
by mongo
REFLOW oven 22 7260 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14441 April 07, 2011
by bretm
unexpected MCU rebooting 82 9254 April 05, 2011
by sask55
REFLOW Soldering 3 5236 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4621 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6944 March 30, 2011
by bretm
Black Display on LCD 6 4603 March 28, 2011
by Druidman
32kHz clock 2 4241 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11373 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11771 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6428 March 16, 2011
by mongo
LCD problem 3 4648 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5217 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5348 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4355 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7942 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5265 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5229 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12273 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8899 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5881 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9351 February 19, 2011
by Lusitania
My first Impression 6 4725 February 16, 2011
by devinsbusiness
Understanding battery life 3 6003 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5641 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5255 February 05, 2011
by BobaMosfet
High voltage lines 26 7409 February 02, 2011
by mongo
USB 3 4319 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5335 February 02, 2011
by Jalex
Alternating LED circuit 4 5254 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6568 January 31, 2011
by il1019
Affordable oscilloscopes 43 14523 January 27, 2011
by BStory
"And"gate unfinished thought 2 4434 January 27, 2011
by Hexorg
replace MCU? 30 9434 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4988 January 25, 2011
by Ralphxyz
Multimeter! 12 7266 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5914 January 25, 2011
by Jalex
My LED Cube so far 25 10704 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5757 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5180 January 18, 2011
by dgikuljot
Counting 5 4369 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9015 January 17, 2011
by bretm
Programming 5 5226 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5453 January 11, 2011
by Yourself
Begining 7 5526 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5914 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5260 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4563 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5098 January 06, 2011
by Mujda
Data input voltage 6 5096 January 03, 2011
by Rick_S
MOSFET Question 7 5248 December 31, 2010
by Keyster
Transistor as a switch 5 5272 December 29, 2010
by Hexorg
Resistors 5 5619 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10483 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5473 December 28, 2010
by BobaMosfet
Relay ratings 2 4813 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20095 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4666 December 17, 2010
by mongo
Power Rectifier 7 5157 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7197 December 14, 2010
by danuke
This a decent oscilloscope? 8 5052 December 14, 2010
by danuke
Do resistors in series really add up? 8 6432 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5860 December 09, 2010
by bretm
L293 H-Bridge 15 6537 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6732 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6913 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5833 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6339 November 24, 2010
by BobaMosfet
Op-amp not working 6 6637 November 24, 2010
by BobaMosfet
Python questions 4 5622 November 21, 2010
by tkopriva
CE Amp design 5 5116 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5065 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4890 November 05, 2010
by Mujda
PC4 not working?! 8 4740 November 04, 2010
by hapshetsut
Amplifiers 4 4734 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5588 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5671 October 04, 2010
by Scythium
radio interference from NerdKit 11 4765 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9398 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5293 September 11, 2010
by akajester
QFP and dreadboard 2 5186 September 02, 2010
by bretm
Getting power to the spinning part... 5 5063 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12921 August 30, 2010
by Ralphxyz
morse code decoder 2 5178 August 26, 2010
by jonathan_m
Connecting to Computer 3 5127 August 25, 2010
by awesome
555 astable on breadboard 12 6658 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4755 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5264 August 19, 2010
by hevans
mosfet 3 4538 August 13, 2010
by hevans
Good material on learning electronics. 8 5526 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4417 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7032 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6351 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9618 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6816 July 02, 2010
by mongo
Electro Cardio Gram 4 5653 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4485 June 12, 2010
by Wobbler
Voltage Regulator 20 6171 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5731 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6375 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6052 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5240 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4478 June 06, 2010
by Kafke
TSSOP IC! 4 5246 June 03, 2010
by mrobbins
AVcc 2 5493 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4693 May 31, 2010
by hevans
Cable Driver 2 4376 May 31, 2010
by mongo
Best 9V adapter to use 2 4809 May 28, 2010
by mongo
Unidirectional microphones 5 5047 May 27, 2010
by mongo
Servo question 3 4526 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5220 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5065 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6721 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11518 May 21, 2010
by hevans
Chinese Solenoid 15 4995 May 10, 2010
by treymd
avrisp mkii circuit 4 6263 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4599 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9843 May 07, 2010
by rajabalu21
Simple Power Switch 6 4689 May 05, 2010
by avicell
I can haz speed! 3 5037 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6519 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5375 April 21, 2010
by bretm
Help with choosing the right resistor 10 6461 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11015 April 15, 2010
by bretm
Resistor 4 4388 April 15, 2010
by mongo
MCU digital input pins 3 4584 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4872 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10747 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6835 March 28, 2010
by carlhako
Laptop ground safety question 3 4909 March 27, 2010
by ese
LM34 R-C Damper 5 6495 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5202 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4470 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6523 March 23, 2010
by ese
constant system reset 3 4398 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5171 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6201 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5510 March 17, 2010
by Frozenlock
What is -VS? 6 8539 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6339 March 04, 2010
by treymd
Using MCU to connect two wires 3 5389 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9964 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4831 March 02, 2010
by Solorbob
Deciphering power resistors 11 5187 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4597 March 01, 2010
by nrotstan
Understanding LEDs 16 7724 March 01, 2010
by michaeldallas
What's the part I need? 5 4710 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11703 February 23, 2010
by rajabalu21
Too much power? 14 5440 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6112 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6043 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13414 February 18, 2010
by Rick_S
Serial port interface circuit 2 5603 February 17, 2010
by mongo
OBDII project 3 4683 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8174 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7381 February 13, 2010
by BobaMosfet
Digital pots 5 4917 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5199 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6043 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7424 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7616 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5478 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7164 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10964 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5803 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5067 December 27, 2009
by jgauthier
Servo Signal Noise 2 4631 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7934 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11396 December 10, 2009
by georgio
Relays and transistors 12 9412 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9456 December 09, 2009
by Rick_S
IR Detector 7 8898 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5654 November 19, 2009
by mikedoug
Debug with lcd 6 5617 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5114 November 15, 2009
by tech20
Understanding output pin characteristics 4 4975 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6910 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5241 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48628 October 30, 2009
by BobaMosfet
DIY header unit 2 5472 October 10, 2009
by rusirius
Thermostat Logging 6 7080 October 09, 2009
by luke
Understanding transistors 6 6800 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10739 October 07, 2009
by mikedoug
Currant booster 3 4618 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5605 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13557 August 27, 2009
by hevans
Which LED? 14 5344 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6360 August 07, 2009
by mongo
pull up, pull down resistors 7 17778 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11677 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7610 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7015 July 07, 2009
by sector0
Reset switch for circuit 3 5282 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31905 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6381 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5169 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5294 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5798 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5128 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...