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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8734 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8145 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6885 April 12, 2016
by Ralphxyz
USBasp Help! 3 5786 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8005 May 04, 2015
by mongo
Need to replace Wall Watt 16 5297 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4954 April 10, 2015
by Noter
My new 3D Printer 44 20523 April 07, 2015
by Rick_S
AtMega 644 2 5022 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4069 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4728 June 02, 2014
by JKITSON
Automated programming mode? 9 5018 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4594 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4611 January 28, 2014
by lailai
What kind of error is this? 4 4441 January 23, 2014
by Noter
How to double a DC voltage? 20 11809 January 12, 2014
by JKITSON
Is the code the driver? 2 4294 January 12, 2014
by Ralphxyz
Miniature headers 6 4540 January 01, 2014
by Ralphxyz
BLDC 8 4615 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5190 November 26, 2013
by Rick_S
GLCD SPI problems 14 8467 November 10, 2013
by andyi
Moving on... 7 4428 November 08, 2013
by Pr0ject
Power supply questions 4 5969 October 31, 2013
by sask55
OLED 4 4185 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16147 September 22, 2013
by sask55
Opto Interrupter once again 14 8837 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4607 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11568 September 02, 2013
by Ralphxyz
USB cable specifications 7 6092 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5097 August 27, 2013
by Affarram
XMEGA Breakout 8 5464 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4158 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4831 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4866 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11130 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15769 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4142 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4767 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66057 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3962 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4492 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8661 March 14, 2013
by mongo
Current vs Voltage 8 5586 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5179 March 09, 2013
by lnino
Electric current 2 3954 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6897 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9614 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9080 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5023 February 24, 2013
by lnino
Relay Question 27 8279 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7946 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5452 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5335 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5104 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4704 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5323 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4678 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5509 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4020 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4115 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4596 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10025 November 18, 2012
by carlhako
SPI slave clock 6 4813 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4214 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30959 October 23, 2012
by Noter
NPN circuit connection quandry 4 4787 September 24, 2012
by edb
Simple I/O circuit 4 4434 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4222 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3914 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6699 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4440 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6816 September 13, 2012
by dan_engbers
Electronics simulation 8 5079 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7196 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4341 August 20, 2012
by rblalock
louder sound 2 4120 August 18, 2012
by mongo
connector or cable for LCD display? 4 4333 August 13, 2012
by missle3944
Powering L.E.Ds 5 4460 August 09, 2012
by BobaMosfet
Wires in U.K 5 4935 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4840 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7792 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7488 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5280 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22778 July 21, 2012
by lnino
um help 6 3935 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4974 July 18, 2012
by Ralphxyz
help me 11 4828 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4226 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5527 June 24, 2012
by Ralphxyz
HELP 3 3969 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14894 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4075 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6009 June 17, 2012
by RogerFL
Programmable current source 6 6012 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5599 June 11, 2012
by mongo
HELP 6 4305 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4699 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50855 May 24, 2012
by Ralphxyz
i need a code 8 4704 May 15, 2012
by pcbolt
Clock Accuracy 30 9359 May 14, 2012
by HexManiac
Relays and Controlling them 9 4665 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4944 May 09, 2012
by RogerFL
Powering your NerdKit 7 4524 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4548 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7757 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4959 April 24, 2012
by pcbolt
Programs will not run 6 4440 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5060 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4743 April 09, 2012
by Ralphxyz
Path Lights controller 2 4309 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4417 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4954 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4525 April 01, 2012
by JamesFysh
Question on LCD screen 5 4523 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4485 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5800 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5419 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9119 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4611 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5786 March 15, 2012
by mongo
Digital servo issues! 9 5118 March 15, 2012
by Rick_S
Brushless motor control 16 5465 March 12, 2012
by hevans
Windows not detecting device 3 4259 March 10, 2012
by hevans
Voltage throught MCU 5 4276 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20127 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11862 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21068 March 01, 2012
by hevans
Up and running... 3 4069 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4729 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5090 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4313 February 24, 2012
by Rick_S
programming lcd trubs 7 4401 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5093 February 18, 2012
by Rick_S
Oscilloscope 15 6365 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10855 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5532 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4714 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11337 February 09, 2012
by mongo
Data transmission 3 5265 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5075 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6643 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4557 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4115 January 31, 2012
by tchilzer2
H bridge questions 6 4891 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4636 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5067 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5259 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8379 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4916 January 15, 2012
by Rick_S
Source of power? 19 5055 January 13, 2012
by mongo
symbol defined please? 4 4748 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18013 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4648 January 06, 2012
by boxvic
Basic LED circuit properties 8 4874 January 06, 2012
by boxvic
Getting Started 3 4346 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5537 January 02, 2012
by bodangly
SMD reflow 16 5634 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4600 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5272 December 23, 2011
by BobaMosfet
Potentiometer 8 6206 December 23, 2011
by huzbum
Fun with Op-Amps 3 6457 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5517 December 19, 2011
by n1cl3
Odessy of the minds 5 4795 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4159 November 27, 2011
by sazD
Initial Load 2 4829 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5536 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6228 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4900 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10028 November 10, 2011
by jfbrink
Servo Squitter Project 13 4634 November 09, 2011
by Heed
how do i run a program 4 4202 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4461 November 07, 2011
by Heed
Motor control question 2 4248 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9881 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4503 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4386 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96432 October 24, 2011
by glendon
Measuring Capacitance 9 5940 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4546 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6297 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22871 October 16, 2011
by sask55
RxD / TxD Questions 10 7735 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4629 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4527 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4811 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4322 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13682 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5990 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24430 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13095 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4253 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7822 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13847 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8927 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5372 September 01, 2011
by BobaMosfet
Dim LED 3 4199 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4727 August 23, 2011
by Twarter369
Easy Transistor Question 4 5354 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7105 August 18, 2011
by Ralphxyz
Building a coil?? 12 7128 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4624 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4273 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4102 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4045 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24135 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5383 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4788 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4502 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4542 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7319 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4200 July 17, 2011
by codenamejupiterx
avr macpack 3 4573 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4566 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4646 July 13, 2011
by BobaMosfet
Battery clip wires 3 4129 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4000 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4309 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4543 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4967 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25260 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4506 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4750 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6837 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4777 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4798 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4707 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5269 June 06, 2011
by mja
A couple of questions 3 4418 June 06, 2011
by Ralphxyz
How much should I strip? 3 4481 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4981 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4368 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4699 May 29, 2011
by Rick_S
Digital Input Question 4 4437 May 28, 2011
by frankdwest
PCB arrived 20 4426 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5074 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24031 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5019 May 09, 2011
by Noter
IR current 6 4734 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5442 May 04, 2011
by hariharan
Heat sensors 21 5817 May 04, 2011
by Hexorg
error 1 2 4303 May 02, 2011
by hevans
Transistor vs mosfet 13 12566 May 01, 2011
by Noter
PCB trace width calculator 3 5886 April 24, 2011
by esoderberg
OLED display 10 5601 April 23, 2011
by Rick_S
Power Supplies 17 6153 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4255 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4960 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4398 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5418 April 19, 2011
by mongo
Connecting to external control voltages 4 4380 April 19, 2011
by bretm
IR current question 7 4496 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5283 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5468 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4745 April 10, 2011
by uml_12
Basic projects 3 4421 April 09, 2011
by mongo
REFLOW oven 22 7369 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14659 April 07, 2011
by bretm
unexpected MCU rebooting 82 9380 April 05, 2011
by sask55
REFLOW Soldering 3 5339 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4714 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7050 March 30, 2011
by bretm
Black Display on LCD 6 4692 March 28, 2011
by Druidman
32kHz clock 2 4339 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11499 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12010 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6553 March 16, 2011
by mongo
LCD problem 3 4734 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5338 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5438 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4443 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8120 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5382 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5319 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12371 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9067 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6001 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9448 February 19, 2011
by Lusitania
My first Impression 6 4840 February 16, 2011
by devinsbusiness
Understanding battery life 3 6118 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5743 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5371 February 05, 2011
by BobaMosfet
High voltage lines 26 7535 February 02, 2011
by mongo
USB 3 4395 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5456 February 02, 2011
by Jalex
Alternating LED circuit 4 5346 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6674 January 31, 2011
by il1019
Affordable oscilloscopes 43 14812 January 27, 2011
by BStory
"And"gate unfinished thought 2 4538 January 27, 2011
by Hexorg
replace MCU? 30 9579 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5098 January 25, 2011
by Ralphxyz
Multimeter! 12 7387 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6036 January 25, 2011
by Jalex
My LED Cube so far 25 10815 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5847 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5271 January 18, 2011
by dgikuljot
Counting 5 4486 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9128 January 17, 2011
by bretm
Programming 5 5350 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5554 January 11, 2011
by Yourself
Begining 7 5629 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6024 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5358 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4657 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5196 January 06, 2011
by Mujda
Data input voltage 6 5190 January 03, 2011
by Rick_S
MOSFET Question 7 5348 December 31, 2010
by Keyster
Transistor as a switch 5 5383 December 29, 2010
by Hexorg
Resistors 5 5739 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10652 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5602 December 28, 2010
by BobaMosfet
Relay ratings 2 4910 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20241 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4755 December 17, 2010
by mongo
Power Rectifier 7 7045 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7372 December 14, 2010
by danuke
This a decent oscilloscope? 8 5153 December 14, 2010
by danuke
Do resistors in series really add up? 8 6568 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5969 December 09, 2010
by bretm
L293 H-Bridge 15 6656 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6859 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7026 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5950 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6472 November 24, 2010
by BobaMosfet
Op-amp not working 6 6747 November 24, 2010
by BobaMosfet
Python questions 4 5711 November 21, 2010
by tkopriva
CE Amp design 5 5246 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5161 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5016 November 05, 2010
by Mujda
PC4 not working?! 8 4865 November 04, 2010
by hapshetsut
Amplifiers 4 4828 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5691 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5776 October 04, 2010
by Scythium
radio interference from NerdKit 11 4881 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9527 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5375 September 11, 2010
by akajester
QFP and dreadboard 2 5281 September 02, 2010
by bretm
Getting power to the spinning part... 5 5146 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13080 August 30, 2010
by Ralphxyz
morse code decoder 2 5262 August 26, 2010
by jonathan_m
Connecting to Computer 3 5240 August 25, 2010
by awesome
555 astable on breadboard 12 6758 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4872 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5369 August 19, 2010
by hevans
mosfet 3 4633 August 13, 2010
by hevans
Good material on learning electronics. 8 5628 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4513 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7180 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6440 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9805 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6921 July 02, 2010
by mongo
Electro Cardio Gram 4 5788 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4566 June 12, 2010
by Wobbler
Voltage Regulator 20 6289 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5830 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6504 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6162 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5347 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4583 June 06, 2010
by Kafke
TSSOP IC! 4 5346 June 03, 2010
by mrobbins
AVcc 2 5578 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4785 May 31, 2010
by hevans
Cable Driver 2 4459 May 31, 2010
by mongo
Best 9V adapter to use 2 4903 May 28, 2010
by mongo
Unidirectional microphones 5 5155 May 27, 2010
by mongo
Servo question 3 4616 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5320 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5164 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6849 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11763 May 21, 2010
by hevans
Chinese Solenoid 15 5136 May 10, 2010
by treymd
avrisp mkii circuit 4 6349 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4691 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10000 May 07, 2010
by rajabalu21
Simple Power Switch 6 4788 May 05, 2010
by avicell
I can haz speed! 3 5132 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6632 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5466 April 21, 2010
by bretm
Help with choosing the right resistor 10 6579 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11287 April 15, 2010
by bretm
Resistor 4 4490 April 15, 2010
by mongo
MCU digital input pins 3 4677 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4976 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10861 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6933 March 28, 2010
by carlhako
Laptop ground safety question 3 5020 March 27, 2010
by ese
LM34 R-C Damper 5 6585 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5308 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4593 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6621 March 23, 2010
by ese
constant system reset 3 4504 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5262 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6336 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5604 March 17, 2010
by Frozenlock
What is -VS? 6 8660 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6419 March 04, 2010
by treymd
Using MCU to connect two wires 3 5499 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10223 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4917 March 02, 2010
by Solorbob
Deciphering power resistors 11 5304 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4698 March 01, 2010
by nrotstan
Understanding LEDs 16 7884 March 01, 2010
by michaeldallas
What's the part I need? 5 4809 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11834 February 23, 2010
by rajabalu21
Too much power? 14 5551 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6228 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6153 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13633 February 18, 2010
by Rick_S
Serial port interface circuit 2 5708 February 17, 2010
by mongo
OBDII project 3 4765 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8337 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7509 February 13, 2010
by BobaMosfet
Digital pots 5 5004 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5323 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6183 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7586 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7727 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5582 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7317 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11125 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5937 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5159 December 27, 2009
by jgauthier
Servo Signal Noise 2 4717 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8077 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11521 December 10, 2009
by georgio
Relays and transistors 12 9520 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9583 December 09, 2009
by Rick_S
IR Detector 7 9075 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5771 November 19, 2009
by mikedoug
Debug with lcd 6 5722 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5200 November 15, 2009
by tech20
Understanding output pin characteristics 4 5088 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7073 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5375 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48931 October 30, 2009
by BobaMosfet
DIY header unit 2 5554 October 10, 2009
by rusirius
Thermostat Logging 6 7198 October 09, 2009
by luke
Understanding transistors 6 6901 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10868 October 07, 2009
by mikedoug
Currant booster 3 4712 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5703 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13702 August 27, 2009
by hevans
Which LED? 14 5454 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6491 August 07, 2009
by mongo
pull up, pull down resistors 7 17889 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11825 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7736 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7120 July 07, 2009
by sector0
Reset switch for circuit 3 5377 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31992 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6492 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5255 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5401 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5889 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5225 May 06, 2009
by paulip

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Did you know that hobby servos are controlled through a particular kind of PWM (Pulse Width Modulation) signal? Learn more...