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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8546 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8014 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6770 April 12, 2016
by Ralphxyz
USBasp Help! 3 5675 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7874 May 04, 2015
by mongo
Need to replace Wall Watt 16 5182 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4855 April 10, 2015
by Noter
My new 3D Printer 44 20411 April 07, 2015
by Rick_S
AtMega 644 2 4957 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4003 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4611 June 02, 2014
by JKITSON
Automated programming mode? 9 4915 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4514 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4481 January 28, 2014
by lailai
What kind of error is this? 4 4378 January 23, 2014
by Noter
How to double a DC voltage? 20 11681 January 12, 2014
by JKITSON
Is the code the driver? 2 4187 January 12, 2014
by Ralphxyz
Miniature headers 6 4477 January 01, 2014
by Ralphxyz
BLDC 8 4515 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5062 November 26, 2013
by Rick_S
GLCD SPI problems 14 8360 November 10, 2013
by andyi
Moving on... 7 4344 November 08, 2013
by Pr0ject
Power supply questions 4 5834 October 31, 2013
by sask55
OLED 4 4084 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15955 September 22, 2013
by sask55
Opto Interrupter once again 14 8696 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4540 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11433 September 02, 2013
by Ralphxyz
USB cable specifications 7 5913 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4960 August 27, 2013
by Affarram
XMEGA Breakout 8 5353 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4078 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4751 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4784 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10942 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15572 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4065 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4684 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65782 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3896 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4387 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8540 March 14, 2013
by mongo
Current vs Voltage 8 5463 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5099 March 09, 2013
by lnino
Electric current 2 3887 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6826 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9484 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8892 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4919 February 24, 2013
by lnino
Relay Question 27 8165 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7829 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5357 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5266 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4999 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4613 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5204 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4558 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5419 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3959 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4046 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4533 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9903 November 18, 2012
by carlhako
SPI slave clock 6 4728 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4143 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30640 October 23, 2012
by Noter
NPN circuit connection quandry 4 4707 September 24, 2012
by edb
Simple I/O circuit 4 4361 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4154 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3811 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6541 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4373 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6734 September 13, 2012
by dan_engbers
Electronics simulation 8 5019 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7106 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4276 August 20, 2012
by rblalock
louder sound 2 4045 August 18, 2012
by mongo
connector or cable for LCD display? 4 4268 August 13, 2012
by missle3944
Powering L.E.Ds 5 4389 August 09, 2012
by BobaMosfet
Wires in U.K 5 4862 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4774 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7691 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7403 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5177 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22664 July 21, 2012
by lnino
um help 6 3861 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4890 July 18, 2012
by Ralphxyz
help me 11 4746 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4154 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5423 June 24, 2012
by Ralphxyz
HELP 3 3906 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14792 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4017 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5935 June 17, 2012
by RogerFL
Programmable current source 6 5865 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5526 June 11, 2012
by mongo
HELP 6 4228 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4598 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50233 May 24, 2012
by Ralphxyz
i need a code 8 4626 May 15, 2012
by pcbolt
Clock Accuracy 30 9271 May 14, 2012
by HexManiac
Relays and Controlling them 9 4583 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4864 May 09, 2012
by RogerFL
Powering your NerdKit 7 4445 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4471 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7660 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4895 April 24, 2012
by pcbolt
Programs will not run 6 4358 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4984 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4664 April 09, 2012
by Ralphxyz
Path Lights controller 2 4226 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4346 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4853 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4445 April 01, 2012
by JamesFysh
Question on LCD screen 5 4456 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4400 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5677 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5315 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9020 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4530 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5672 March 15, 2012
by mongo
Digital servo issues! 9 5031 March 15, 2012
by Rick_S
Brushless motor control 16 5385 March 12, 2012
by hevans
Windows not detecting device 3 4185 March 10, 2012
by hevans
Voltage throught MCU 5 4202 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19948 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11706 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20814 March 01, 2012
by hevans
Up and running... 3 3986 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4652 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5004 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4226 February 24, 2012
by Rick_S
programming lcd trubs 7 4286 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5012 February 18, 2012
by Rick_S
Oscilloscope 15 6280 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10711 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5445 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4628 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11149 February 09, 2012
by mongo
Data transmission 3 5200 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4994 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6547 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4483 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4050 January 31, 2012
by tchilzer2
H bridge questions 6 4824 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4553 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4949 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5166 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8284 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4832 January 15, 2012
by Rick_S
Source of power? 19 4954 January 13, 2012
by mongo
symbol defined please? 4 4683 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17811 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4570 January 06, 2012
by boxvic
Basic LED circuit properties 8 4794 January 06, 2012
by boxvic
Getting Started 3 4277 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5457 January 02, 2012
by bodangly
SMD reflow 16 5550 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4523 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5207 December 23, 2011
by BobaMosfet
Potentiometer 8 6079 December 23, 2011
by huzbum
Fun with Op-Amps 3 6361 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5437 December 19, 2011
by n1cl3
Odessy of the minds 5 4723 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4095 November 27, 2011
by sazD
Initial Load 2 4761 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5445 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6139 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4811 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9893 November 10, 2011
by jfbrink
Servo Squitter Project 13 4549 November 09, 2011
by Heed
how do i run a program 4 4145 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4388 November 07, 2011
by Heed
Motor control question 2 4190 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9755 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4424 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4320 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95966 October 24, 2011
by glendon
Measuring Capacitance 9 5847 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4479 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6207 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22627 October 16, 2011
by sask55
RxD / TxD Questions 10 7598 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4561 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4454 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4719 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4253 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13417 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5905 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24293 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12911 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4189 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7724 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13645 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8839 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5284 September 01, 2011
by BobaMosfet
Dim LED 3 4125 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4650 August 23, 2011
by Twarter369
Easy Transistor Question 4 5270 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6993 August 18, 2011
by Ralphxyz
Building a coil?? 12 7027 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4565 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4209 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4033 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3985 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23985 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5308 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4726 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4432 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4467 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7241 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4121 July 17, 2011
by codenamejupiterx
avr macpack 3 4502 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4463 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4544 July 13, 2011
by BobaMosfet
Battery clip wires 3 4068 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3931 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4229 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4466 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4855 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25125 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4442 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4663 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6740 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4699 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4726 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4643 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5177 June 06, 2011
by mja
A couple of questions 3 4346 June 06, 2011
by Ralphxyz
How much should I strip? 3 4417 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4899 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4278 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4618 May 29, 2011
by Rick_S
Digital Input Question 4 4367 May 28, 2011
by frankdwest
PCB arrived 20 4358 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5005 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23877 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4951 May 09, 2011
by Noter
IR current 6 4660 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5363 May 04, 2011
by hariharan
Heat sensors 21 5729 May 04, 2011
by Hexorg
error 1 2 4196 May 02, 2011
by hevans
Transistor vs mosfet 13 12422 May 01, 2011
by Noter
PCB trace width calculator 3 5815 April 24, 2011
by esoderberg
OLED display 10 5497 April 23, 2011
by Rick_S
Power Supplies 17 6067 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4181 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4901 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4321 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5352 April 19, 2011
by mongo
Connecting to external control voltages 4 4313 April 19, 2011
by bretm
IR current question 7 4420 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5210 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5380 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4675 April 10, 2011
by uml_12
Basic projects 3 4337 April 09, 2011
by mongo
REFLOW oven 22 7286 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14494 April 07, 2011
by bretm
unexpected MCU rebooting 82 9284 April 05, 2011
by sask55
REFLOW Soldering 3 5259 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4647 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6972 March 30, 2011
by bretm
Black Display on LCD 6 4626 March 28, 2011
by Druidman
32kHz clock 2 4263 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11397 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11827 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6450 March 16, 2011
by mongo
LCD problem 3 4670 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5247 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5368 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4377 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7996 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5291 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5252 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12295 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8935 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5913 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9379 February 19, 2011
by Lusitania
My first Impression 6 4754 February 16, 2011
by devinsbusiness
Understanding battery life 3 6033 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5661 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5279 February 05, 2011
by BobaMosfet
High voltage lines 26 7444 February 02, 2011
by mongo
USB 3 4339 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5366 February 02, 2011
by Jalex
Alternating LED circuit 4 5275 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6595 January 31, 2011
by il1019
Affordable oscilloscopes 43 14589 January 27, 2011
by BStory
"And"gate unfinished thought 2 4458 January 27, 2011
by Hexorg
replace MCU? 30 9468 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5020 January 25, 2011
by Ralphxyz
Multimeter! 12 7302 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5952 January 25, 2011
by Jalex
My LED Cube so far 25 10735 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5780 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5202 January 18, 2011
by dgikuljot
Counting 5 4396 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9043 January 17, 2011
by bretm
Programming 5 5256 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5479 January 11, 2011
by Yourself
Begining 7 5556 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5936 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5284 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4586 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5126 January 06, 2011
by Mujda
Data input voltage 6 5117 January 03, 2011
by Rick_S
MOSFET Question 7 5269 December 31, 2010
by Keyster
Transistor as a switch 5 5295 December 29, 2010
by Hexorg
Resistors 5 5648 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10515 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5504 December 28, 2010
by BobaMosfet
Relay ratings 2 4844 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20126 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4693 December 17, 2010
by mongo
Power Rectifier 7 5585 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7237 December 14, 2010
by danuke
This a decent oscilloscope? 8 5072 December 14, 2010
by danuke
Do resistors in series really add up? 8 6464 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5890 December 09, 2010
by bretm
L293 H-Bridge 15 6561 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6765 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6943 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5870 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6365 November 24, 2010
by BobaMosfet
Op-amp not working 6 6666 November 24, 2010
by BobaMosfet
Python questions 4 5646 November 21, 2010
by tkopriva
CE Amp design 5 5146 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5087 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4919 November 05, 2010
by Mujda
PC4 not working?! 8 4775 November 04, 2010
by hapshetsut
Amplifiers 4 4761 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5613 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5700 October 04, 2010
by Scythium
radio interference from NerdKit 11 4799 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9433 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5313 September 11, 2010
by akajester
QFP and dreadboard 2 5213 September 02, 2010
by bretm
Getting power to the spinning part... 5 5089 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12956 August 30, 2010
by Ralphxyz
morse code decoder 2 5200 August 26, 2010
by jonathan_m
Connecting to Computer 3 5166 August 25, 2010
by awesome
555 astable on breadboard 12 6679 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4774 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5300 August 19, 2010
by hevans
mosfet 3 4559 August 13, 2010
by hevans
Good material on learning electronics. 8 5556 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4438 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7068 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6368 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9656 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6836 July 02, 2010
by mongo
Electro Cardio Gram 4 5683 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4502 June 12, 2010
by Wobbler
Voltage Regulator 20 6200 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5753 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6406 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6073 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5263 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4504 June 06, 2010
by Kafke
TSSOP IC! 4 5273 June 03, 2010
by mrobbins
AVcc 2 5518 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4720 May 31, 2010
by hevans
Cable Driver 2 4395 May 31, 2010
by mongo
Best 9V adapter to use 2 4834 May 28, 2010
by mongo
Unidirectional microphones 5 5069 May 27, 2010
by mongo
Servo question 3 4551 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5244 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5086 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6751 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11577 May 21, 2010
by hevans
Chinese Solenoid 15 5031 May 10, 2010
by treymd
avrisp mkii circuit 4 6286 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4617 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9884 May 07, 2010
by rajabalu21
Simple Power Switch 6 4714 May 05, 2010
by avicell
I can haz speed! 3 5058 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6549 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5398 April 21, 2010
by bretm
Help with choosing the right resistor 10 6490 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11054 April 15, 2010
by bretm
Resistor 4 4414 April 15, 2010
by mongo
MCU digital input pins 3 4605 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4911 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10776 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6855 March 28, 2010
by carlhako
Laptop ground safety question 3 4933 March 27, 2010
by ese
LM34 R-C Damper 5 6515 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5232 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4491 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6547 March 23, 2010
by ese
constant system reset 3 4426 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5196 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6235 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5532 March 17, 2010
by Frozenlock
What is -VS? 6 8573 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6355 March 04, 2010
by treymd
Using MCU to connect two wires 3 5428 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10005 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4851 March 02, 2010
by Solorbob
Deciphering power resistors 11 5218 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4626 March 01, 2010
by nrotstan
Understanding LEDs 16 7761 March 01, 2010
by michaeldallas
What's the part I need? 5 4734 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11739 February 23, 2010
by rajabalu21
Too much power? 14 5465 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6137 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6061 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13460 February 18, 2010
by Rick_S
Serial port interface circuit 2 5632 February 17, 2010
by mongo
OBDII project 3 4704 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8216 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7411 February 13, 2010
by BobaMosfet
Digital pots 5 4941 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5237 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6076 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7462 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7643 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5509 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7206 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11003 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5834 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5090 December 27, 2009
by jgauthier
Servo Signal Noise 2 4656 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7976 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11427 December 10, 2009
by georgio
Relays and transistors 12 9440 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9487 December 09, 2009
by Rick_S
IR Detector 7 8939 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5680 November 19, 2009
by mikedoug
Debug with lcd 6 5638 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5135 November 15, 2009
by tech20
Understanding output pin characteristics 4 5003 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6936 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5273 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48699 October 30, 2009
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DIY header unit 2 5493 October 10, 2009
by rusirius
Thermostat Logging 6 7110 October 09, 2009
by luke
Understanding transistors 6 6821 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10774 October 07, 2009
by mikedoug
Currant booster 3 4642 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5627 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13592 August 27, 2009
by hevans
Which LED? 14 5367 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6395 August 07, 2009
by mongo
pull up, pull down resistors 7 17804 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11708 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7644 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7044 July 07, 2009
by sector0
Reset switch for circuit 3 5306 June 27, 2009
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Online circuit simulator/intuition builder 2 31927 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6407 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5190 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5318 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5824 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5149 May 06, 2009
by paulip

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