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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9023 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8368 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7084 April 12, 2016
by Ralphxyz
USBasp Help! 3 5988 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8273 May 04, 2015
by mongo
Need to replace Wall Watt 16 5499 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5128 April 10, 2015
by Noter
My new 3D Printer 44 20709 April 07, 2015
by Rick_S
AtMega 644 2 5147 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4204 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4891 June 02, 2014
by JKITSON
Automated programming mode? 9 5178 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4747 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4777 January 28, 2014
by lailai
What kind of error is this? 4 4560 January 23, 2014
by Noter
How to double a DC voltage? 20 12008 January 12, 2014
by JKITSON
Is the code the driver? 2 4464 January 12, 2014
by Ralphxyz
Miniature headers 6 4681 January 01, 2014
by Ralphxyz
BLDC 8 4776 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5371 November 26, 2013
by Rick_S
GLCD SPI problems 14 8640 November 10, 2013
by andyi
Moving on... 7 4568 November 08, 2013
by Pr0ject
Power supply questions 4 6149 October 31, 2013
by sask55
OLED 4 4338 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16432 September 22, 2013
by sask55
Opto Interrupter once again 14 9059 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4743 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11819 September 02, 2013
by Ralphxyz
USB cable specifications 7 6362 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5281 August 27, 2013
by Affarram
XMEGA Breakout 8 5647 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4296 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4977 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5014 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11758 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16395 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4310 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4910 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66472 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4101 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4670 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8853 March 14, 2013
by mongo
Current vs Voltage 8 5740 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5321 March 09, 2013
by lnino
Electric current 2 4084 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7032 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9953 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9594 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5170 February 24, 2013
by lnino
Relay Question 27 8439 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8138 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5618 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5462 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5252 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4823 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5536 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4834 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5658 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4175 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4231 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4735 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10342 November 18, 2012
by carlhako
SPI slave clock 6 4967 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4343 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31646 October 23, 2012
by Noter
NPN circuit connection quandry 4 4918 September 24, 2012
by edb
Simple I/O circuit 4 4574 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4337 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4092 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6921 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4564 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6967 September 13, 2012
by dan_engbers
Electronics simulation 8 5198 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7382 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4476 August 20, 2012
by rblalock
louder sound 2 4245 August 18, 2012
by mongo
connector or cable for LCD display? 4 4463 August 13, 2012
by missle3944
Powering L.E.Ds 5 4595 August 09, 2012
by BobaMosfet
Wires in U.K 5 5064 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4981 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8132 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7654 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5458 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22992 July 21, 2012
by lnino
um help 6 4055 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5109 July 18, 2012
by Ralphxyz
help me 11 4977 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4378 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5692 June 24, 2012
by Ralphxyz
HELP 3 4097 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15117 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4214 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6144 June 17, 2012
by RogerFL
Programmable current source 6 6218 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5734 June 11, 2012
by mongo
HELP 6 4438 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4838 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52656 May 24, 2012
by Ralphxyz
i need a code 8 4838 May 15, 2012
by pcbolt
Clock Accuracy 30 9512 May 14, 2012
by HexManiac
Relays and Controlling them 9 4823 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5080 May 09, 2012
by RogerFL
Powering your NerdKit 7 4656 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4688 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7963 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5071 April 24, 2012
by pcbolt
Programs will not run 6 4572 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5225 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4872 April 09, 2012
by Ralphxyz
Path Lights controller 2 4440 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4549 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5102 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4650 April 01, 2012
by JamesFysh
Question on LCD screen 5 4672 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4632 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5967 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5591 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9301 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4734 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6075 March 15, 2012
by mongo
Digital servo issues! 9 5287 March 15, 2012
by Rick_S
Brushless motor control 16 5617 March 12, 2012
by hevans
Windows not detecting device 3 4409 March 10, 2012
by hevans
Voltage throught MCU 5 4423 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20328 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12192 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21619 March 01, 2012
by hevans
Up and running... 3 4216 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4867 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5218 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4449 February 24, 2012
by Rick_S
programming lcd trubs 7 4558 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5236 February 18, 2012
by Rick_S
Oscilloscope 15 6528 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11061 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5664 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4850 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12169 February 09, 2012
by mongo
Data transmission 3 5395 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5204 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6786 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4717 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4234 January 31, 2012
by tchilzer2
H bridge questions 6 5032 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4784 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5200 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5408 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8539 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5070 January 15, 2012
by Rick_S
Source of power? 19 5225 January 13, 2012
by mongo
symbol defined please? 4 4871 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18299 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4783 January 06, 2012
by boxvic
Basic LED circuit properties 8 5007 January 06, 2012
by boxvic
Getting Started 3 4473 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5669 January 02, 2012
by bodangly
SMD reflow 16 5789 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4729 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5392 December 23, 2011
by BobaMosfet
Potentiometer 8 6393 December 23, 2011
by huzbum
Fun with Op-Amps 3 6615 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5692 December 19, 2011
by n1cl3
Odessy of the minds 5 4919 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4305 November 27, 2011
by sazD
Initial Load 2 4944 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5690 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6364 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5015 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10200 November 10, 2011
by jfbrink
Servo Squitter Project 13 4774 November 09, 2011
by Heed
how do i run a program 4 4322 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4574 November 07, 2011
by Heed
Motor control question 2 4373 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10123 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4644 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4536 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97954 October 24, 2011
by glendon
Measuring Capacitance 9 6067 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4669 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6423 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23400 October 16, 2011
by sask55
RxD / TxD Questions 10 8023 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4760 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4653 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4942 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4438 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14355 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6135 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24684 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13419 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4373 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7978 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14124 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9107 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5523 September 01, 2011
by BobaMosfet
Dim LED 3 4340 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4851 August 23, 2011
by Twarter369
Easy Transistor Question 4 5506 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7468 August 18, 2011
by Ralphxyz
Building a coil?? 12 7285 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4757 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4411 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4235 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4176 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24349 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5501 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4911 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4619 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4657 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7485 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4322 July 17, 2011
by codenamejupiterx
avr macpack 3 4699 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4695 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4805 July 13, 2011
by BobaMosfet
Battery clip wires 3 4236 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4135 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4420 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4676 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5130 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25496 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4650 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4872 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7006 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4946 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4957 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4823 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5461 June 06, 2011
by mja
A couple of questions 3 4561 June 06, 2011
by Ralphxyz
How much should I strip? 3 4611 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5098 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4509 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4830 May 29, 2011
by Rick_S
Digital Input Question 4 4570 May 28, 2011
by frankdwest
PCB arrived 20 4557 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5204 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24273 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5153 May 09, 2011
by Noter
IR current 6 4857 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5594 May 04, 2011
by hariharan
Heat sensors 21 5966 May 04, 2011
by Hexorg
error 1 2 4447 May 02, 2011
by hevans
Transistor vs mosfet 13 12769 May 01, 2011
by Noter
PCB trace width calculator 3 6008 April 24, 2011
by esoderberg
OLED display 10 5730 April 23, 2011
by Rick_S
Power Supplies 17 6282 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4368 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5078 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4537 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5565 April 19, 2011
by mongo
Connecting to external control voltages 4 4499 April 19, 2011
by bretm
IR current question 7 4623 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5415 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5611 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4866 April 10, 2011
by uml_12
Basic projects 3 4542 April 09, 2011
by mongo
REFLOW oven 22 7510 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14938 April 07, 2011
by bretm
unexpected MCU rebooting 82 9615 April 05, 2011
by sask55
REFLOW Soldering 3 5521 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4842 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7197 March 30, 2011
by bretm
Black Display on LCD 6 4807 March 28, 2011
by Druidman
32kHz clock 2 4460 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11769 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12377 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6680 March 16, 2011
by mongo
LCD problem 3 4849 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5485 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5556 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4559 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8306 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5522 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5446 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12508 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9268 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6142 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9603 February 19, 2011
by Lusitania
My first Impression 6 4981 February 16, 2011
by devinsbusiness
Understanding battery life 3 6314 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5862 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5515 February 05, 2011
by BobaMosfet
High voltage lines 26 7717 February 02, 2011
by mongo
USB 3 4512 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5600 February 02, 2011
by Jalex
Alternating LED circuit 4 5473 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6816 January 31, 2011
by il1019
Affordable oscilloscopes 43 15245 January 27, 2011
by BStory
"And"gate unfinished thought 2 4674 January 27, 2011
by Hexorg
replace MCU? 30 9798 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5254 January 25, 2011
by Ralphxyz
Multimeter! 12 7531 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6174 January 25, 2011
by Jalex
My LED Cube so far 25 10960 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5963 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5399 January 18, 2011
by dgikuljot
Counting 5 4639 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9286 January 17, 2011
by bretm
Programming 5 5510 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5691 January 11, 2011
by Yourself
Begining 7 5774 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6155 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5479 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4799 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5346 January 06, 2011
by Mujda
Data input voltage 6 5340 January 03, 2011
by Rick_S
MOSFET Question 7 5510 December 31, 2010
by Keyster
Transistor as a switch 5 5532 December 29, 2010
by Hexorg
Resistors 5 5892 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10844 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5751 December 28, 2010
by BobaMosfet
Relay ratings 2 5050 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20418 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4888 December 17, 2010
by mongo
Power Rectifier 7 7191 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7532 December 14, 2010
by danuke
This a decent oscilloscope? 8 5294 December 14, 2010
by danuke
Do resistors in series really add up? 8 6725 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6119 December 09, 2010
by bretm
L293 H-Bridge 15 6808 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7035 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7214 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6095 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6620 November 24, 2010
by BobaMosfet
Op-amp not working 6 6889 November 24, 2010
by BobaMosfet
Python questions 4 5840 November 21, 2010
by tkopriva
CE Amp design 5 5407 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5284 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5146 November 05, 2010
by Mujda
PC4 not working?! 8 5009 November 04, 2010
by hapshetsut
Amplifiers 4 4953 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5830 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5924 October 04, 2010
by Scythium
radio interference from NerdKit 11 5046 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9664 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5521 September 11, 2010
by akajester
QFP and dreadboard 2 5414 September 02, 2010
by bretm
Getting power to the spinning part... 5 5263 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13244 August 30, 2010
by Ralphxyz
morse code decoder 2 5379 August 26, 2010
by jonathan_m
Connecting to Computer 3 5359 August 25, 2010
by awesome
555 astable on breadboard 12 6873 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4988 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5480 August 19, 2010
by hevans
mosfet 3 4748 August 13, 2010
by hevans
Good material on learning electronics. 8 5760 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4634 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7390 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6578 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10003 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7049 July 02, 2010
by mongo
Electro Cardio Gram 4 5947 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4689 June 12, 2010
by Wobbler
Voltage Regulator 20 6422 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5972 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6638 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6271 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5475 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4706 June 06, 2010
by Kafke
TSSOP IC! 4 5478 June 03, 2010
by mrobbins
AVcc 2 5705 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4924 May 31, 2010
by hevans
Cable Driver 2 4598 May 31, 2010
by mongo
Best 9V adapter to use 2 5031 May 28, 2010
by mongo
Unidirectional microphones 5 5263 May 27, 2010
by mongo
Servo question 3 4768 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5440 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5294 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6966 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11969 May 21, 2010
by hevans
Chinese Solenoid 15 5285 May 10, 2010
by treymd
avrisp mkii circuit 4 6467 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4816 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10212 May 07, 2010
by rajabalu21
Simple Power Switch 6 4904 May 05, 2010
by avicell
I can haz speed! 3 5259 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6779 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5614 April 21, 2010
by bretm
Help with choosing the right resistor 10 6707 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11497 April 15, 2010
by bretm
Resistor 4 4625 April 15, 2010
by mongo
MCU digital input pins 3 4821 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5116 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10990 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7052 March 28, 2010
by carlhako
Laptop ground safety question 3 5119 March 27, 2010
by ese
LM34 R-C Damper 5 6722 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5426 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4727 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6744 March 23, 2010
by ese
constant system reset 3 4624 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5399 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6487 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5721 March 17, 2010
by Frozenlock
What is -VS? 6 8805 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6533 March 04, 2010
by treymd
Using MCU to connect two wires 3 5617 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10455 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5055 March 02, 2010
by Solorbob
Deciphering power resistors 11 5451 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4820 March 01, 2010
by nrotstan
Understanding LEDs 16 8054 March 01, 2010
by michaeldallas
What's the part I need? 5 4932 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11984 February 23, 2010
by rajabalu21
Too much power? 14 5685 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6342 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6305 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13855 February 18, 2010
by Rick_S
Serial port interface circuit 2 5835 February 17, 2010
by mongo
OBDII project 3 4891 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8509 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7671 February 13, 2010
by BobaMosfet
Digital pots 5 5121 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5450 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6333 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7741 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7892 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5685 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7492 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11390 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6085 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5276 December 27, 2009
by jgauthier
Servo Signal Noise 2 4839 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8222 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11695 December 10, 2009
by georgio
Relays and transistors 12 9666 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9725 December 09, 2009
by Rick_S
IR Detector 7 9283 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5885 November 19, 2009
by mikedoug
Debug with lcd 6 5848 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5307 November 15, 2009
by tech20
Understanding output pin characteristics 4 5228 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7238 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5511 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49404 October 30, 2009
by BobaMosfet
DIY header unit 2 5679 October 10, 2009
by rusirius
Thermostat Logging 6 7352 October 09, 2009
by luke
Understanding transistors 6 7013 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11007 October 07, 2009
by mikedoug
Currant booster 3 4838 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5809 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13879 August 27, 2009
by hevans
Which LED? 14 5587 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6628 August 07, 2009
by mongo
pull up, pull down resistors 7 18048 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12064 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7879 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7269 July 07, 2009
by sector0
Reset switch for circuit 3 5493 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32142 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6631 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5387 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5552 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6012 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5363 May 06, 2009
by paulip

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Did you know that the Timer/Counter modules on the microcontroller can be configured to output a PWM (Pulse Width Modulation) signal? Learn more...