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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8673 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8081 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6826 April 12, 2016
by Ralphxyz
USBasp Help! 3 5731 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7946 May 04, 2015
by mongo
Need to replace Wall Watt 16 5246 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4906 April 10, 2015
by Noter
My new 3D Printer 44 20472 April 07, 2015
by Rick_S
AtMega 644 2 4991 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4039 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4669 June 02, 2014
by JKITSON
Automated programming mode? 9 4962 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4553 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4555 January 28, 2014
by lailai
What kind of error is this? 4 4409 January 23, 2014
by Noter
How to double a DC voltage? 20 11752 January 12, 2014
by JKITSON
Is the code the driver? 2 4245 January 12, 2014
by Ralphxyz
Miniature headers 6 4511 January 01, 2014
by Ralphxyz
BLDC 8 4570 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5131 November 26, 2013
by Rick_S
GLCD SPI problems 14 8419 November 10, 2013
by andyi
Moving on... 7 4384 November 08, 2013
by Pr0ject
Power supply questions 4 5903 October 31, 2013
by sask55
OLED 4 4136 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16059 September 22, 2013
by sask55
Opto Interrupter once again 14 8772 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4574 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11496 September 02, 2013
by Ralphxyz
USB cable specifications 7 5999 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5034 August 27, 2013
by Affarram
XMEGA Breakout 8 5412 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4124 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4790 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4822 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11030 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15674 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4103 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4726 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65932 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3929 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4437 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8596 March 14, 2013
by mongo
Current vs Voltage 8 5531 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5139 March 09, 2013
by lnino
Electric current 2 3921 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6860 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9546 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8971 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4971 February 24, 2013
by lnino
Relay Question 27 8224 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7885 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5399 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5308 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5048 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4659 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5277 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4619 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5466 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3991 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4082 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4570 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9972 November 18, 2012
by carlhako
SPI slave clock 6 4768 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4177 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30813 October 23, 2012
by Noter
NPN circuit connection quandry 4 4745 September 24, 2012
by edb
Simple I/O circuit 4 4399 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4188 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3857 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6612 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4408 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6778 September 13, 2012
by dan_engbers
Electronics simulation 8 5050 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7154 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4313 August 20, 2012
by rblalock
louder sound 2 4086 August 18, 2012
by mongo
connector or cable for LCD display? 4 4305 August 13, 2012
by missle3944
Powering L.E.Ds 5 4428 August 09, 2012
by BobaMosfet
Wires in U.K 5 4903 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4806 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7741 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7446 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5220 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22722 July 21, 2012
by lnino
um help 6 3900 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4931 July 18, 2012
by Ralphxyz
help me 11 4789 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4190 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5471 June 24, 2012
by Ralphxyz
HELP 3 3939 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14844 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4048 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5970 June 17, 2012
by RogerFL
Programmable current source 6 5929 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5560 June 11, 2012
by mongo
HELP 6 4265 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4648 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50388 May 24, 2012
by Ralphxyz
i need a code 8 4667 May 15, 2012
by pcbolt
Clock Accuracy 30 9310 May 14, 2012
by HexManiac
Relays and Controlling them 9 4628 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4904 May 09, 2012
by RogerFL
Powering your NerdKit 7 4483 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4509 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7707 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4929 April 24, 2012
by pcbolt
Programs will not run 6 4394 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5016 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4708 April 09, 2012
by Ralphxyz
Path Lights controller 2 4264 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4387 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4902 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4481 April 01, 2012
by JamesFysh
Question on LCD screen 5 4491 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4431 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5732 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5368 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9068 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4572 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5727 March 15, 2012
by mongo
Digital servo issues! 9 5077 March 15, 2012
by Rick_S
Brushless motor control 16 5428 March 12, 2012
by hevans
Windows not detecting device 3 4221 March 10, 2012
by hevans
Voltage throught MCU 5 4237 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20025 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11786 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20920 March 01, 2012
by hevans
Up and running... 3 4027 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4689 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5045 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4271 February 24, 2012
by Rick_S
programming lcd trubs 7 4332 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5049 February 18, 2012
by Rick_S
Oscilloscope 15 6320 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10795 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5484 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4673 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11238 February 09, 2012
by mongo
Data transmission 3 5236 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5036 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6606 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4521 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4086 January 31, 2012
by tchilzer2
H bridge questions 6 4859 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4597 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5001 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5219 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8334 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4870 January 15, 2012
by Rick_S
Source of power? 19 5002 January 13, 2012
by mongo
symbol defined please? 4 4718 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17904 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4610 January 06, 2012
by boxvic
Basic LED circuit properties 8 4827 January 06, 2012
by boxvic
Getting Started 3 4311 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5498 January 02, 2012
by bodangly
SMD reflow 16 5589 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4563 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5243 December 23, 2011
by BobaMosfet
Potentiometer 8 6159 December 23, 2011
by huzbum
Fun with Op-Amps 3 6408 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5477 December 19, 2011
by n1cl3
Odessy of the minds 5 4762 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4129 November 27, 2011
by sazD
Initial Load 2 4797 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5492 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6183 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4855 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9981 November 10, 2011
by jfbrink
Servo Squitter Project 13 4594 November 09, 2011
by Heed
how do i run a program 4 4172 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4421 November 07, 2011
by Heed
Motor control question 2 4220 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9822 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4464 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4355 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96193 October 24, 2011
by glendon
Measuring Capacitance 9 5885 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4516 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6252 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22754 October 16, 2011
by sask55
RxD / TxD Questions 10 7666 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4592 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4489 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4781 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4289 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13547 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5952 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24355 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13007 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4227 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7773 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13745 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8879 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5328 September 01, 2011
by BobaMosfet
Dim LED 3 4162 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4687 August 23, 2011
by Twarter369
Easy Transistor Question 4 5313 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7044 August 18, 2011
by Ralphxyz
Building a coil?? 12 7076 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4595 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4240 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4070 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4019 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24061 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5344 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4757 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4467 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4509 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7277 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4165 July 17, 2011
by codenamejupiterx
avr macpack 3 4540 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4519 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4602 July 13, 2011
by BobaMosfet
Battery clip wires 3 4103 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3966 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4267 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4505 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4911 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25189 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4475 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4707 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6794 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4740 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4760 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4677 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5220 June 06, 2011
by mja
A couple of questions 3 4383 June 06, 2011
by Ralphxyz
How much should I strip? 3 4452 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4942 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4322 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4657 May 29, 2011
by Rick_S
Digital Input Question 4 4399 May 28, 2011
by frankdwest
PCB arrived 20 4392 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5041 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23944 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4981 May 09, 2011
by Noter
IR current 6 4701 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5404 May 04, 2011
by hariharan
Heat sensors 21 5774 May 04, 2011
by Hexorg
error 1 2 4244 May 02, 2011
by hevans
Transistor vs mosfet 13 12495 May 01, 2011
by Noter
PCB trace width calculator 3 5853 April 24, 2011
by esoderberg
OLED display 10 5549 April 23, 2011
by Rick_S
Power Supplies 17 6117 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4222 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4934 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4359 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5384 April 19, 2011
by mongo
Connecting to external control voltages 4 4344 April 19, 2011
by bretm
IR current question 7 4461 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5247 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5423 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4713 April 10, 2011
by uml_12
Basic projects 3 4381 April 09, 2011
by mongo
REFLOW oven 22 7322 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14579 April 07, 2011
by bretm
unexpected MCU rebooting 82 9328 April 05, 2011
by sask55
REFLOW Soldering 3 5301 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4684 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7008 March 30, 2011
by bretm
Black Display on LCD 6 4656 March 28, 2011
by Druidman
32kHz clock 2 4303 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11448 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11915 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6493 March 16, 2011
by mongo
LCD problem 3 4705 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5297 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5405 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4412 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8063 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5335 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5278 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12333 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8992 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5958 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9416 February 19, 2011
by Lusitania
My first Impression 6 4805 February 16, 2011
by devinsbusiness
Understanding battery life 3 6076 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5703 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5328 February 05, 2011
by BobaMosfet
High voltage lines 26 7491 February 02, 2011
by mongo
USB 3 4366 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5415 February 02, 2011
by Jalex
Alternating LED circuit 4 5304 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6636 January 31, 2011
by il1019
Affordable oscilloscopes 43 14697 January 27, 2011
by BStory
"And"gate unfinished thought 2 4495 January 27, 2011
by Hexorg
replace MCU? 30 9521 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5059 January 25, 2011
by Ralphxyz
Multimeter! 12 7353 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5995 January 25, 2011
by Jalex
My LED Cube so far 25 10777 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5816 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5236 January 18, 2011
by dgikuljot
Counting 5 4447 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9084 January 17, 2011
by bretm
Programming 5 5306 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5517 January 11, 2011
by Yourself
Begining 7 5589 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5980 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5323 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4620 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5158 January 06, 2011
by Mujda
Data input voltage 6 5155 January 03, 2011
by Rick_S
MOSFET Question 7 5313 December 31, 2010
by Keyster
Transistor as a switch 5 5344 December 29, 2010
by Hexorg
Resistors 5 5703 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10578 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5556 December 28, 2010
by BobaMosfet
Relay ratings 2 4880 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20181 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4723 December 17, 2010
by mongo
Power Rectifier 7 6523 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7317 December 14, 2010
by danuke
This a decent oscilloscope? 8 5123 December 14, 2010
by danuke
Do resistors in series really add up? 8 6515 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5930 December 09, 2010
by bretm
L293 H-Bridge 15 6611 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6810 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6977 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5911 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6412 November 24, 2010
by BobaMosfet
Op-amp not working 6 6709 November 24, 2010
by BobaMosfet
Python questions 4 5679 November 21, 2010
by tkopriva
CE Amp design 5 5189 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5120 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4961 November 05, 2010
by Mujda
PC4 not working?! 8 4826 November 04, 2010
by hapshetsut
Amplifiers 4 4795 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5650 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5740 October 04, 2010
by Scythium
radio interference from NerdKit 11 4842 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9479 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5350 September 11, 2010
by akajester
QFP and dreadboard 2 5245 September 02, 2010
by bretm
Getting power to the spinning part... 5 5120 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13022 August 30, 2010
by Ralphxyz
morse code decoder 2 5234 August 26, 2010
by jonathan_m
Connecting to Computer 3 5204 August 25, 2010
by awesome
555 astable on breadboard 12 6724 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4824 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5338 August 19, 2010
by hevans
mosfet 3 4600 August 13, 2010
by hevans
Good material on learning electronics. 8 5590 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4477 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7131 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6405 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9729 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6882 July 02, 2010
by mongo
Electro Cardio Gram 4 5736 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4530 June 12, 2010
by Wobbler
Voltage Regulator 20 6250 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5783 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6448 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6111 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5303 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4543 June 06, 2010
by Kafke
TSSOP IC! 4 5314 June 03, 2010
by mrobbins
AVcc 2 5549 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4753 May 31, 2010
by hevans
Cable Driver 2 4428 May 31, 2010
by mongo
Best 9V adapter to use 2 4869 May 28, 2010
by mongo
Unidirectional microphones 5 5105 May 27, 2010
by mongo
Servo question 3 4585 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5287 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5125 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6805 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11672 May 21, 2010
by hevans
Chinese Solenoid 15 5093 May 10, 2010
by treymd
avrisp mkii circuit 4 6326 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4657 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9943 May 07, 2010
by rajabalu21
Simple Power Switch 6 4750 May 05, 2010
by avicell
I can haz speed! 3 5090 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6591 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5428 April 21, 2010
by bretm
Help with choosing the right resistor 10 6535 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11152 April 15, 2010
by bretm
Resistor 4 4455 April 15, 2010
by mongo
MCU digital input pins 3 4640 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4949 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10818 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6898 March 28, 2010
by carlhako
Laptop ground safety question 3 4977 March 27, 2010
by ese
LM34 R-C Damper 5 6552 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5274 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4537 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6583 March 23, 2010
by ese
constant system reset 3 4465 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5229 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6287 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5572 March 17, 2010
by Frozenlock
What is -VS? 6 8626 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6389 March 04, 2010
by treymd
Using MCU to connect two wires 3 5462 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10079 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4890 March 02, 2010
by Solorbob
Deciphering power resistors 11 5261 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4657 March 01, 2010
by nrotstan
Understanding LEDs 16 7826 March 01, 2010
by michaeldallas
What's the part I need? 5 4771 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11789 February 23, 2010
by rajabalu21
Too much power? 14 5508 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6186 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6109 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13538 February 18, 2010
by Rick_S
Serial port interface circuit 2 5667 February 17, 2010
by mongo
OBDII project 3 4735 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8289 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7466 February 13, 2010
by BobaMosfet
Digital pots 5 4975 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5279 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6118 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7546 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7687 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5546 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7267 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11066 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5895 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5126 December 27, 2009
by jgauthier
Servo Signal Noise 2 4689 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8024 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11473 December 10, 2009
by georgio
Relays and transistors 12 9482 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9538 December 09, 2009
by Rick_S
IR Detector 7 9009 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5733 November 19, 2009
by mikedoug
Debug with lcd 6 5679 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5169 November 15, 2009
by tech20
Understanding output pin characteristics 4 5047 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7003 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5326 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48807 October 30, 2009
by BobaMosfet
DIY header unit 2 5526 October 10, 2009
by rusirius
Thermostat Logging 6 7153 October 09, 2009
by luke
Understanding transistors 6 6863 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10824 October 07, 2009
by mikedoug
Currant booster 3 4676 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5659 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13646 August 27, 2009
by hevans
Which LED? 14 5415 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6445 August 07, 2009
by mongo
pull up, pull down resistors 7 17843 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11764 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7694 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7086 July 07, 2009
by sector0
Reset switch for circuit 3 5339 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31958 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6453 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5223 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5360 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5854 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5189 May 06, 2009
by paulip

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