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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8397 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7922 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6696 April 12, 2016
by Ralphxyz
USBasp Help! 3 5601 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7792 May 04, 2015
by mongo
Need to replace Wall Watt 16 5087 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4788 April 10, 2015
by Noter
My new 3D Printer 44 20335 April 07, 2015
by Rick_S
AtMega 644 2 4913 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3956 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4518 June 02, 2014
by JKITSON
Automated programming mode? 9 4839 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4460 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4391 January 28, 2014
by lailai
What kind of error is this? 4 4335 January 23, 2014
by Noter
How to double a DC voltage? 20 11609 January 12, 2014
by JKITSON
Is the code the driver? 2 4101 January 12, 2014
by Ralphxyz
Miniature headers 6 4428 January 01, 2014
by Ralphxyz
BLDC 8 4446 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4957 November 26, 2013
by Rick_S
GLCD SPI problems 14 8294 November 10, 2013
by andyi
Moving on... 7 4290 November 08, 2013
by Pr0ject
Power supply questions 4 5725 October 31, 2013
by sask55
OLED 4 4009 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15868 September 22, 2013
by sask55
Opto Interrupter once again 14 8583 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4450 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11333 September 02, 2013
by Ralphxyz
USB cable specifications 7 5813 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4887 August 27, 2013
by Affarram
XMEGA Breakout 8 5270 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4020 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4691 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4715 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10834 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15450 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3949 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4633 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65539 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3841 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4300 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8451 March 14, 2013
by mongo
Current vs Voltage 8 5380 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5027 March 09, 2013
by lnino
Electric current 2 3827 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6773 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9398 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8784 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4856 February 24, 2013
by lnino
Relay Question 27 8099 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7753 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5286 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5222 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4923 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4544 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5137 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4498 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5340 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3901 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4002 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4479 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9832 November 18, 2012
by carlhako
SPI slave clock 6 4669 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4099 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30394 October 23, 2012
by Noter
NPN circuit connection quandry 4 4646 September 24, 2012
by edb
Simple I/O circuit 4 4298 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4091 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3756 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6444 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4316 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6663 September 13, 2012
by dan_engbers
Electronics simulation 8 4969 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7039 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4218 August 20, 2012
by rblalock
louder sound 2 3985 August 18, 2012
by mongo
connector or cable for LCD display? 4 4207 August 13, 2012
by missle3944
Powering L.E.Ds 5 4338 August 09, 2012
by BobaMosfet
Wires in U.K 5 4807 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4722 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7610 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7341 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5120 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22585 July 21, 2012
by lnino
um help 6 3815 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4836 July 18, 2012
by Ralphxyz
help me 11 4688 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4094 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5357 June 24, 2012
by Ralphxyz
HELP 3 3861 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14716 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3969 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5886 June 17, 2012
by RogerFL
Programmable current source 6 5800 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5475 June 11, 2012
by mongo
HELP 6 4175 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4521 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49881 May 24, 2012
by Ralphxyz
i need a code 8 4581 May 15, 2012
by pcbolt
Clock Accuracy 30 9197 May 14, 2012
by HexManiac
Relays and Controlling them 9 4521 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4798 May 09, 2012
by RogerFL
Powering your NerdKit 7 4390 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4422 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7595 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4846 April 24, 2012
by pcbolt
Programs will not run 6 4292 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4924 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4613 April 09, 2012
by Ralphxyz
Path Lights controller 2 4170 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4286 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4795 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4393 April 01, 2012
by JamesFysh
Question on LCD screen 5 4398 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4338 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5601 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5237 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8959 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4469 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5596 March 15, 2012
by mongo
Digital servo issues! 9 4969 March 15, 2012
by Rick_S
Brushless motor control 16 5330 March 12, 2012
by hevans
Windows not detecting device 3 4131 March 10, 2012
by hevans
Voltage throught MCU 5 4090 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19858 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11621 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20689 March 01, 2012
by hevans
Up and running... 3 3934 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4599 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4930 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4176 February 24, 2012
by Rick_S
programming lcd trubs 7 4222 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4954 February 18, 2012
by Rick_S
Oscilloscope 15 6220 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10612 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5391 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4572 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11060 February 09, 2012
by mongo
Data transmission 3 5153 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4944 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6458 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4423 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3995 January 31, 2012
by tchilzer2
H bridge questions 6 4756 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4497 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4868 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5106 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8218 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4778 January 15, 2012
by Rick_S
Source of power? 19 4890 January 13, 2012
by mongo
symbol defined please? 4 4640 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17718 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4500 January 06, 2012
by boxvic
Basic LED circuit properties 8 4713 January 06, 2012
by boxvic
Getting Started 3 4227 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5407 January 02, 2012
by bodangly
SMD reflow 16 5488 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4449 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5141 December 23, 2011
by BobaMosfet
Potentiometer 8 5988 December 23, 2011
by huzbum
Fun with Op-Amps 3 6294 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5376 December 19, 2011
by n1cl3
Odessy of the minds 5 4664 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4047 November 27, 2011
by sazD
Initial Load 2 4716 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5348 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6079 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4767 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9812 November 10, 2011
by jfbrink
Servo Squitter Project 13 4496 November 09, 2011
by Heed
how do i run a program 4 4105 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4338 November 07, 2011
by Heed
Motor control question 2 4135 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9655 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4361 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4269 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95722 October 24, 2011
by glendon
Measuring Capacitance 9 5788 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4430 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6140 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22456 October 16, 2011
by sask55
RxD / TxD Questions 10 7510 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4516 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4397 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4638 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4210 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13247 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5837 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24198 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12835 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4127 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7653 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13561 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8772 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5228 September 01, 2011
by BobaMosfet
Dim LED 3 4076 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4596 August 23, 2011
by Twarter369
Easy Transistor Question 4 5203 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6926 August 18, 2011
by Ralphxyz
Building a coil?? 12 6963 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4511 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4164 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3980 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3937 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23873 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5250 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4671 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4374 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4417 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7199 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4057 July 17, 2011
by codenamejupiterx
avr macpack 3 4453 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4410 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4484 July 13, 2011
by BobaMosfet
Battery clip wires 3 4008 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3877 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4180 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4404 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4800 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25018 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4385 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4601 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6674 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4628 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4672 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4599 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5112 June 06, 2011
by mja
A couple of questions 3 4293 June 06, 2011
by Ralphxyz
How much should I strip? 3 4367 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4822 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4231 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4569 May 29, 2011
by Rick_S
Digital Input Question 4 4316 May 28, 2011
by frankdwest
PCB arrived 20 4295 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4881 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23773 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4898 May 09, 2011
by Noter
IR current 6 4612 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5299 May 04, 2011
by hariharan
Heat sensors 21 5663 May 04, 2011
by Hexorg
error 1 2 4134 May 02, 2011
by hevans
Transistor vs mosfet 13 12302 May 01, 2011
by Noter
PCB trace width calculator 3 5751 April 24, 2011
by esoderberg
OLED display 10 5436 April 23, 2011
by Rick_S
Power Supplies 17 6007 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4133 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4845 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4212 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5296 April 19, 2011
by mongo
Connecting to external control voltages 4 4258 April 19, 2011
by bretm
IR current question 7 4368 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5148 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5312 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4628 April 10, 2011
by uml_12
Basic projects 3 4290 April 09, 2011
by mongo
REFLOW oven 22 7227 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14377 April 07, 2011
by bretm
unexpected MCU rebooting 82 9231 April 05, 2011
by sask55
REFLOW Soldering 3 5201 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4548 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6903 March 30, 2011
by bretm
Black Display on LCD 6 4570 March 28, 2011
by Druidman
32kHz clock 2 4214 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11330 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11723 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6399 March 16, 2011
by mongo
LCD problem 3 4616 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5183 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5313 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4328 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7884 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5241 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5154 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12240 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8857 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5852 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9323 February 19, 2011
by Lusitania
My first Impression 6 4697 February 16, 2011
by devinsbusiness
Understanding battery life 3 5967 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5609 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5229 February 05, 2011
by BobaMosfet
High voltage lines 26 7335 February 02, 2011
by mongo
USB 3 4296 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5297 February 02, 2011
by Jalex
Alternating LED circuit 4 5229 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6529 January 31, 2011
by il1019
Affordable oscilloscopes 43 14456 January 27, 2011
by BStory
"And"gate unfinished thought 2 4404 January 27, 2011
by Hexorg
replace MCU? 30 9391 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4961 January 25, 2011
by Ralphxyz
Multimeter! 12 7230 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5882 January 25, 2011
by Jalex
My LED Cube so far 25 10677 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5720 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5149 January 18, 2011
by dgikuljot
Counting 5 4336 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8937 January 17, 2011
by bretm
Programming 5 5181 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5423 January 11, 2011
by Yourself
Begining 7 5496 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5885 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5237 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4539 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5067 January 06, 2011
by Mujda
Data input voltage 6 5069 January 03, 2011
by Rick_S
MOSFET Question 7 5220 December 31, 2010
by Keyster
Transistor as a switch 5 5247 December 29, 2010
by Hexorg
Resistors 5 5581 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10450 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5444 December 28, 2010
by BobaMosfet
Relay ratings 2 4782 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20051 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4628 December 17, 2010
by mongo
Power Rectifier 7 5048 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7160 December 14, 2010
by danuke
This a decent oscilloscope? 8 5021 December 14, 2010
by danuke
Do resistors in series really add up? 8 6384 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5831 December 09, 2010
by bretm
L293 H-Bridge 15 6503 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6700 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6876 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5784 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6307 November 24, 2010
by BobaMosfet
Op-amp not working 6 6608 November 24, 2010
by BobaMosfet
Python questions 4 5598 November 21, 2010
by tkopriva
CE Amp design 5 5085 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5036 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4863 November 05, 2010
by Mujda
PC4 not working?! 8 4708 November 04, 2010
by hapshetsut
Amplifiers 4 4704 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5557 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5618 October 04, 2010
by Scythium
radio interference from NerdKit 11 4727 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9365 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5261 September 11, 2010
by akajester
QFP and dreadboard 2 5156 September 02, 2010
by bretm
Getting power to the spinning part... 5 5041 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12881 August 30, 2010
by Ralphxyz
morse code decoder 2 5150 August 26, 2010
by jonathan_m
Connecting to Computer 3 5090 August 25, 2010
by awesome
555 astable on breadboard 12 6633 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4721 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5221 August 19, 2010
by hevans
mosfet 3 4509 August 13, 2010
by hevans
Good material on learning electronics. 8 5491 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4386 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6984 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6315 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9575 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6772 July 02, 2010
by mongo
Electro Cardio Gram 4 5615 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4454 June 12, 2010
by Wobbler
Voltage Regulator 20 6139 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5694 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6333 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6011 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5208 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4448 June 06, 2010
by Kafke
TSSOP IC! 4 5210 June 03, 2010
by mrobbins
AVcc 2 5462 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4652 May 31, 2010
by hevans
Cable Driver 2 4346 May 31, 2010
by mongo
Best 9V adapter to use 2 4766 May 28, 2010
by mongo
Unidirectional microphones 5 5022 May 27, 2010
by mongo
Servo question 3 4502 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5164 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5026 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6688 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11456 May 21, 2010
by hevans
Chinese Solenoid 15 4960 May 10, 2010
by treymd
avrisp mkii circuit 4 6231 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4563 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9762 May 07, 2010
by rajabalu21
Simple Power Switch 6 4656 May 05, 2010
by avicell
I can haz speed! 3 5006 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6489 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5323 April 21, 2010
by bretm
Help with choosing the right resistor 10 6428 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10966 April 15, 2010
by bretm
Resistor 4 4357 April 15, 2010
by mongo
MCU digital input pins 3 4554 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4826 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10709 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6800 March 28, 2010
by carlhako
Laptop ground safety question 3 4874 March 27, 2010
by ese
LM34 R-C Damper 5 6461 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5175 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4445 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6491 March 23, 2010
by ese
constant system reset 3 4365 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5138 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6161 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5479 March 17, 2010
by Frozenlock
What is -VS? 6 8500 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6307 March 04, 2010
by treymd
Using MCU to connect two wires 3 5340 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9925 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4794 March 02, 2010
by Solorbob
Deciphering power resistors 11 5156 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4566 March 01, 2010
by nrotstan
Understanding LEDs 16 7680 March 01, 2010
by michaeldallas
What's the part I need? 5 4633 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11669 February 23, 2010
by rajabalu21
Too much power? 14 5409 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6077 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6006 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13375 February 18, 2010
by Rick_S
Serial port interface circuit 2 5565 February 17, 2010
by mongo
OBDII project 3 4649 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8133 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7339 February 13, 2010
by BobaMosfet
Digital pots 5 4872 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5164 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6015 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7379 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7580 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5442 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7121 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10919 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5774 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5034 December 27, 2009
by jgauthier
Servo Signal Noise 2 4580 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7886 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11370 December 10, 2009
by georgio
Relays and transistors 12 9357 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9422 December 09, 2009
by Rick_S
IR Detector 7 8846 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5619 November 19, 2009
by mikedoug
Debug with lcd 6 5586 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5089 November 15, 2009
by tech20
Understanding output pin characteristics 4 4934 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6867 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5205 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48564 October 30, 2009
by BobaMosfet
DIY header unit 2 5441 October 10, 2009
by rusirius
Thermostat Logging 6 7039 October 09, 2009
by luke
Understanding transistors 6 6768 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10677 October 07, 2009
by mikedoug
Currant booster 3 4583 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5577 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13525 August 27, 2009
by hevans
Which LED? 14 5318 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6319 August 07, 2009
by mongo
pull up, pull down resistors 7 17745 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11637 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7516 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6967 July 07, 2009
by sector0
Reset switch for circuit 3 5251 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31873 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6354 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5133 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5265 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5765 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5097 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...