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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8948 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8309 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7029 April 12, 2016
by Ralphxyz
USBasp Help! 3 5934 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8211 May 04, 2015
by mongo
Need to replace Wall Watt 16 5431 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5079 April 10, 2015
by Noter
My new 3D Printer 44 20664 April 07, 2015
by Rick_S
AtMega 644 2 5119 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4159 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4842 June 02, 2014
by JKITSON
Automated programming mode? 9 5129 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4704 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4736 January 28, 2014
by lailai
What kind of error is this? 4 4529 January 23, 2014
by Noter
How to double a DC voltage? 20 11951 January 12, 2014
by JKITSON
Is the code the driver? 2 4424 January 12, 2014
by Ralphxyz
Miniature headers 6 4638 January 01, 2014
by Ralphxyz
BLDC 8 4734 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5331 November 26, 2013
by Rick_S
GLCD SPI problems 14 8595 November 10, 2013
by andyi
Moving on... 7 4528 November 08, 2013
by Pr0ject
Power supply questions 4 6103 October 31, 2013
by sask55
OLED 4 4304 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16339 September 22, 2013
by sask55
Opto Interrupter once again 14 8990 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4706 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11746 September 02, 2013
by Ralphxyz
USB cable specifications 7 6288 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5237 August 27, 2013
by Affarram
XMEGA Breakout 8 5603 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4258 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4931 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4977 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11637 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16300 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4273 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4873 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66369 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4068 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4628 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8801 March 14, 2013
by mongo
Current vs Voltage 8 5700 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5276 March 09, 2013
by lnino
Electric current 2 4048 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6985 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9883 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9500 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5129 February 24, 2013
by lnino
Relay Question 27 8393 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8086 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5572 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5426 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5207 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4789 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5488 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4789 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5613 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4130 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4200 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4691 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10287 November 18, 2012
by carlhako
SPI slave clock 6 4926 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4309 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31377 October 23, 2012
by Noter
NPN circuit connection quandry 4 4885 September 24, 2012
by edb
Simple I/O circuit 4 4537 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4309 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4044 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6871 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4532 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6922 September 13, 2012
by dan_engbers
Electronics simulation 8 5162 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7338 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4439 August 20, 2012
by rblalock
louder sound 2 4209 August 18, 2012
by mongo
connector or cable for LCD display? 4 4429 August 13, 2012
by missle3944
Powering L.E.Ds 5 4558 August 09, 2012
by BobaMosfet
Wires in U.K 5 5027 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4941 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8070 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7604 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5407 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22938 July 21, 2012
by lnino
um help 6 4015 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5072 July 18, 2012
by Ralphxyz
help me 11 4931 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4329 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5649 June 24, 2012
by Ralphxyz
HELP 3 4066 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15071 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4177 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6103 June 17, 2012
by RogerFL
Programmable current source 6 6166 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5698 June 11, 2012
by mongo
HELP 6 4395 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4799 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52525 May 24, 2012
by Ralphxyz
i need a code 8 4797 May 15, 2012
by pcbolt
Clock Accuracy 30 9473 May 14, 2012
by HexManiac
Relays and Controlling them 9 4779 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5040 May 09, 2012
by RogerFL
Powering your NerdKit 7 4619 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4651 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7905 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5043 April 24, 2012
by pcbolt
Programs will not run 6 4536 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5186 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4836 April 09, 2012
by Ralphxyz
Path Lights controller 2 4400 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4516 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5063 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4610 April 01, 2012
by JamesFysh
Question on LCD screen 5 4622 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4588 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5917 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5528 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9258 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4698 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6008 March 15, 2012
by mongo
Digital servo issues! 9 5245 March 15, 2012
by Rick_S
Brushless motor control 16 5568 March 12, 2012
by hevans
Windows not detecting device 3 4371 March 10, 2012
by hevans
Voltage throught MCU 5 4381 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20280 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12129 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21532 March 01, 2012
by hevans
Up and running... 3 4165 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4821 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5179 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4409 February 24, 2012
by Rick_S
programming lcd trubs 7 4526 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5198 February 18, 2012
by Rick_S
Oscilloscope 15 6485 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11004 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5625 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4808 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12090 February 09, 2012
by mongo
Data transmission 3 5363 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5169 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6740 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4665 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4203 January 31, 2012
by tchilzer2
H bridge questions 6 4997 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4743 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5163 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5367 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8499 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5029 January 15, 2012
by Rick_S
Source of power? 19 5162 January 13, 2012
by mongo
symbol defined please? 4 4837 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18231 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4745 January 06, 2012
by boxvic
Basic LED circuit properties 8 4969 January 06, 2012
by boxvic
Getting Started 3 4437 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5625 January 02, 2012
by bodangly
SMD reflow 16 5735 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4693 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5358 December 23, 2011
by BobaMosfet
Potentiometer 8 6331 December 23, 2011
by huzbum
Fun with Op-Amps 3 6573 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5653 December 19, 2011
by n1cl3
Odessy of the minds 5 4883 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4268 November 27, 2011
by sazD
Initial Load 2 4910 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5650 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6328 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4978 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10165 November 10, 2011
by jfbrink
Servo Squitter Project 13 4728 November 09, 2011
by Heed
how do i run a program 4 4288 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4539 November 07, 2011
by Heed
Motor control question 2 4326 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10061 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4606 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4498 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97803 October 24, 2011
by glendon
Measuring Capacitance 9 6028 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4637 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6391 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23275 October 16, 2011
by sask55
RxD / TxD Questions 10 7965 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4723 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4613 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4902 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4399 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14266 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6098 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24610 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13331 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4342 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7931 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14064 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9046 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5483 September 01, 2011
by BobaMosfet
Dim LED 3 4306 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4815 August 23, 2011
by Twarter369
Easy Transistor Question 4 5466 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7426 August 18, 2011
by Ralphxyz
Building a coil?? 12 7236 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4723 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4376 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4202 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4141 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24304 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5470 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4878 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4586 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4629 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7434 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4291 July 17, 2011
by codenamejupiterx
avr macpack 3 4667 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4653 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4762 July 13, 2011
by BobaMosfet
Battery clip wires 3 4203 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4100 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4387 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4637 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5099 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25446 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4615 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4840 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6966 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4899 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4913 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4782 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5411 June 06, 2011
by mja
A couple of questions 3 4519 June 06, 2011
by Ralphxyz
How much should I strip? 3 4579 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5063 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4463 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4797 May 29, 2011
by Rick_S
Digital Input Question 4 4532 May 28, 2011
by frankdwest
PCB arrived 20 4519 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5167 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24207 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5118 May 09, 2011
by Noter
IR current 6 4816 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5548 May 04, 2011
by hariharan
Heat sensors 21 5924 May 04, 2011
by Hexorg
error 1 2 4413 May 02, 2011
by hevans
Transistor vs mosfet 13 12716 May 01, 2011
by Noter
PCB trace width calculator 3 5974 April 24, 2011
by esoderberg
OLED display 10 5698 April 23, 2011
by Rick_S
Power Supplies 17 6244 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4337 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5041 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4495 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5517 April 19, 2011
by mongo
Connecting to external control voltages 4 4462 April 19, 2011
by bretm
IR current question 7 4587 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5377 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5574 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4833 April 10, 2011
by uml_12
Basic projects 3 4508 April 09, 2011
by mongo
REFLOW oven 22 7470 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14871 April 07, 2011
by bretm
unexpected MCU rebooting 82 9546 April 05, 2011
by sask55
REFLOW Soldering 3 5475 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4806 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7153 March 30, 2011
by bretm
Black Display on LCD 6 4772 March 28, 2011
by Druidman
32kHz clock 2 4425 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11695 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12293 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6646 March 16, 2011
by mongo
LCD problem 3 4815 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5448 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5522 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4527 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8258 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5476 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5413 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12471 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9218 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6103 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9564 February 19, 2011
by Lusitania
My first Impression 6 4943 February 16, 2011
by devinsbusiness
Understanding battery life 3 6270 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5831 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5476 February 05, 2011
by BobaMosfet
High voltage lines 26 7676 February 02, 2011
by mongo
USB 3 4479 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5566 February 02, 2011
by Jalex
Alternating LED circuit 4 5435 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6780 January 31, 2011
by il1019
Affordable oscilloscopes 43 15171 January 27, 2011
by BStory
"And"gate unfinished thought 2 4637 January 27, 2011
by Hexorg
replace MCU? 30 9757 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5207 January 25, 2011
by Ralphxyz
Multimeter! 12 7497 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6139 January 25, 2011
by Jalex
My LED Cube so far 25 10917 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5929 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5367 January 18, 2011
by dgikuljot
Counting 5 4593 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9249 January 17, 2011
by bretm
Programming 5 5469 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5653 January 11, 2011
by Yourself
Begining 7 5737 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6119 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5443 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4765 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5306 January 06, 2011
by Mujda
Data input voltage 6 5301 January 03, 2011
by Rick_S
MOSFET Question 7 5457 December 31, 2010
by Keyster
Transistor as a switch 5 5494 December 29, 2010
by Hexorg
Resistors 5 5851 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10802 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5709 December 28, 2010
by BobaMosfet
Relay ratings 2 5015 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20368 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4850 December 17, 2010
by mongo
Power Rectifier 7 7147 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7488 December 14, 2010
by danuke
This a decent oscilloscope? 8 5256 December 14, 2010
by danuke
Do resistors in series really add up? 8 6688 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6080 December 09, 2010
by bretm
L293 H-Bridge 15 6771 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6987 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7153 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6053 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6580 November 24, 2010
by BobaMosfet
Op-amp not working 6 6856 November 24, 2010
by BobaMosfet
Python questions 4 5809 November 21, 2010
by tkopriva
CE Amp design 5 5367 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5252 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5110 November 05, 2010
by Mujda
PC4 not working?! 8 4973 November 04, 2010
by hapshetsut
Amplifiers 4 4923 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5789 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5884 October 04, 2010
by Scythium
radio interference from NerdKit 11 5010 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9633 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5480 September 11, 2010
by akajester
QFP and dreadboard 2 5381 September 02, 2010
by bretm
Getting power to the spinning part... 5 5236 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13202 August 30, 2010
by Ralphxyz
morse code decoder 2 5352 August 26, 2010
by jonathan_m
Connecting to Computer 3 5331 August 25, 2010
by awesome
555 astable on breadboard 12 6841 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4958 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5454 August 19, 2010
by hevans
mosfet 3 4717 August 13, 2010
by hevans
Good material on learning electronics. 8 5719 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4602 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7336 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6541 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9958 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7016 July 02, 2010
by mongo
Electro Cardio Gram 4 5903 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4659 June 12, 2010
by Wobbler
Voltage Regulator 20 6383 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5930 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6600 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6239 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5441 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4672 June 06, 2010
by Kafke
TSSOP IC! 4 5444 June 03, 2010
by mrobbins
AVcc 2 5676 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4885 May 31, 2010
by hevans
Cable Driver 2 4560 May 31, 2010
by mongo
Best 9V adapter to use 2 4997 May 28, 2010
by mongo
Unidirectional microphones 5 5236 May 27, 2010
by mongo
Servo question 3 4730 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5411 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5262 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6935 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11920 May 21, 2010
by hevans
Chinese Solenoid 15 5236 May 10, 2010
by treymd
avrisp mkii circuit 4 6442 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4783 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10157 May 07, 2010
by rajabalu21
Simple Power Switch 6 4869 May 05, 2010
by avicell
I can haz speed! 3 5224 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6736 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5568 April 21, 2010
by bretm
Help with choosing the right resistor 10 6667 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11445 April 15, 2010
by bretm
Resistor 4 4585 April 15, 2010
by mongo
MCU digital input pins 3 4787 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5073 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10956 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7011 March 28, 2010
by carlhako
Laptop ground safety question 3 5093 March 27, 2010
by ese
LM34 R-C Damper 5 6676 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5393 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4696 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6705 March 23, 2010
by ese
constant system reset 3 4590 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5368 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6455 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5692 March 17, 2010
by Frozenlock
What is -VS? 6 8761 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6504 March 04, 2010
by treymd
Using MCU to connect two wires 3 5587 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10395 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5023 March 02, 2010
by Solorbob
Deciphering power resistors 11 5410 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4790 March 01, 2010
by nrotstan
Understanding LEDs 16 8015 March 01, 2010
by michaeldallas
What's the part I need? 5 4900 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11942 February 23, 2010
by rajabalu21
Too much power? 14 5650 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6309 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6263 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13803 February 18, 2010
by Rick_S
Serial port interface circuit 2 5797 February 17, 2010
by mongo
OBDII project 3 4857 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8467 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7626 February 13, 2010
by BobaMosfet
Digital pots 5 5088 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5415 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6290 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7700 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7856 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5652 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7450 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11351 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6042 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5246 December 27, 2009
by jgauthier
Servo Signal Noise 2 4802 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8185 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11647 December 10, 2009
by georgio
Relays and transistors 12 9627 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9691 December 09, 2009
by Rick_S
IR Detector 7 9237 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5853 November 19, 2009
by mikedoug
Debug with lcd 6 5812 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5277 November 15, 2009
by tech20
Understanding output pin characteristics 4 5188 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7202 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5464 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49327 October 30, 2009
by BobaMosfet
DIY header unit 2 5639 October 10, 2009
by rusirius
Thermostat Logging 6 7305 October 09, 2009
by luke
Understanding transistors 6 6980 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10971 October 07, 2009
by mikedoug
Currant booster 3 4796 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5777 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13834 August 27, 2009
by hevans
Which LED? 14 5553 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6587 August 07, 2009
by mongo
pull up, pull down resistors 7 18009 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12010 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7834 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7228 July 07, 2009
by sector0
Reset switch for circuit 3 5456 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32100 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6596 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5353 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5513 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5981 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5327 May 06, 2009
by paulip

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