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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8583 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8030 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6786 April 12, 2016
by Ralphxyz
USBasp Help! 3 5691 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7894 May 04, 2015
by mongo
Need to replace Wall Watt 16 5199 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4872 April 10, 2015
by Noter
My new 3D Printer 44 20430 April 07, 2015
by Rick_S
AtMega 644 2 4964 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4014 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4627 June 02, 2014
by JKITSON
Automated programming mode? 9 4929 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4524 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4504 January 28, 2014
by lailai
What kind of error is this? 4 4386 January 23, 2014
by Noter
How to double a DC voltage? 20 11708 January 12, 2014
by JKITSON
Is the code the driver? 2 4201 January 12, 2014
by Ralphxyz
Miniature headers 6 4488 January 01, 2014
by Ralphxyz
BLDC 8 4528 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5087 November 26, 2013
by Rick_S
GLCD SPI problems 14 8381 November 10, 2013
by andyi
Moving on... 7 4361 November 08, 2013
by Pr0ject
Power supply questions 4 5855 October 31, 2013
by sask55
OLED 4 4097 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15991 September 22, 2013
by sask55
Opto Interrupter once again 14 8723 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4550 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11452 September 02, 2013
by Ralphxyz
USB cable specifications 7 5939 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4984 August 27, 2013
by Affarram
XMEGA Breakout 8 5374 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4094 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4763 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4795 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10969 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15603 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4076 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4694 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65838 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3906 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4402 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8560 March 14, 2013
by mongo
Current vs Voltage 8 5488 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5117 March 09, 2013
by lnino
Electric current 2 3894 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6837 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9506 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8922 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4939 February 24, 2013
by lnino
Relay Question 27 8182 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7849 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5372 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5281 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5017 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4625 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5230 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4577 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5435 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3966 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4055 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4543 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9928 November 18, 2012
by carlhako
SPI slave clock 6 4738 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4154 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30679 October 23, 2012
by Noter
NPN circuit connection quandry 4 4722 September 24, 2012
by edb
Simple I/O circuit 4 4372 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4163 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3823 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6564 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4385 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6744 September 13, 2012
by dan_engbers
Electronics simulation 8 5025 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7125 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4286 August 20, 2012
by rblalock
louder sound 2 4058 August 18, 2012
by mongo
connector or cable for LCD display? 4 4280 August 13, 2012
by missle3944
Powering L.E.Ds 5 4398 August 09, 2012
by BobaMosfet
Wires in U.K 5 4876 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4781 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7710 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7416 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5186 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22679 July 21, 2012
by lnino
um help 6 3870 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4900 July 18, 2012
by Ralphxyz
help me 11 4758 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4166 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5435 June 24, 2012
by Ralphxyz
HELP 3 3917 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14809 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4027 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5946 June 17, 2012
by RogerFL
Programmable current source 6 5884 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5532 June 11, 2012
by mongo
HELP 6 4235 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4608 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50289 May 24, 2012
by Ralphxyz
i need a code 8 4637 May 15, 2012
by pcbolt
Clock Accuracy 30 9284 May 14, 2012
by HexManiac
Relays and Controlling them 9 4602 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4876 May 09, 2012
by RogerFL
Powering your NerdKit 7 4455 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4485 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7674 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4905 April 24, 2012
by pcbolt
Programs will not run 6 4372 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4994 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4675 April 09, 2012
by Ralphxyz
Path Lights controller 2 4234 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4358 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4864 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4457 April 01, 2012
by JamesFysh
Question on LCD screen 5 4466 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4410 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5694 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5331 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9031 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4543 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5689 March 15, 2012
by mongo
Digital servo issues! 9 5047 March 15, 2012
by Rick_S
Brushless motor control 16 5398 March 12, 2012
by hevans
Windows not detecting device 3 4196 March 10, 2012
by hevans
Voltage throught MCU 5 4211 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19972 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11731 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20844 March 01, 2012
by hevans
Up and running... 3 3999 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4662 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5017 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4236 February 24, 2012
by Rick_S
programming lcd trubs 7 4298 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5025 February 18, 2012
by Rick_S
Oscilloscope 15 6293 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10730 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5456 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4638 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11165 February 09, 2012
by mongo
Data transmission 3 5208 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5005 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6568 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4493 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4061 January 31, 2012
by tchilzer2
H bridge questions 6 4834 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4568 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4966 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5178 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8302 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4843 January 15, 2012
by Rick_S
Source of power? 19 4966 January 13, 2012
by mongo
symbol defined please? 4 4692 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17845 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4582 January 06, 2012
by boxvic
Basic LED circuit properties 8 4802 January 06, 2012
by boxvic
Getting Started 3 4287 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5468 January 02, 2012
by bodangly
SMD reflow 16 5563 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4536 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5217 December 23, 2011
by BobaMosfet
Potentiometer 8 6104 December 23, 2011
by huzbum
Fun with Op-Amps 3 6379 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5447 December 19, 2011
by n1cl3
Odessy of the minds 5 4736 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4103 November 27, 2011
by sazD
Initial Load 2 4770 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5457 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6151 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4823 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9922 November 10, 2011
by jfbrink
Servo Squitter Project 13 4560 November 09, 2011
by Heed
how do i run a program 4 4150 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4399 November 07, 2011
by Heed
Motor control question 2 4198 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9773 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4438 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4333 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96060 October 24, 2011
by glendon
Measuring Capacitance 9 5856 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4488 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6217 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22663 October 16, 2011
by sask55
RxD / TxD Questions 10 7628 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4568 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4463 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4743 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4263 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13457 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5922 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24312 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12941 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4196 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7740 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13667 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8849 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5298 September 01, 2011
by BobaMosfet
Dim LED 3 4133 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4663 August 23, 2011
by Twarter369
Easy Transistor Question 4 5283 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7005 August 18, 2011
by Ralphxyz
Building a coil?? 12 7041 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4572 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4217 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4044 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3997 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24008 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5320 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4732 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4441 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4476 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7250 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4130 July 17, 2011
by codenamejupiterx
avr macpack 3 4512 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4479 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4563 July 13, 2011
by BobaMosfet
Battery clip wires 3 4081 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3940 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4239 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4477 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4869 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25147 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4451 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4676 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6760 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4712 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4736 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4654 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5190 June 06, 2011
by mja
A couple of questions 3 4359 June 06, 2011
by Ralphxyz
How much should I strip? 3 4426 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4912 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4291 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4628 May 29, 2011
by Rick_S
Digital Input Question 4 4373 May 28, 2011
by frankdwest
PCB arrived 20 4366 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5012 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23901 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4958 May 09, 2011
by Noter
IR current 6 4672 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5378 May 04, 2011
by hariharan
Heat sensors 21 5743 May 04, 2011
by Hexorg
error 1 2 4205 May 02, 2011
by hevans
Transistor vs mosfet 13 12449 May 01, 2011
by Noter
PCB trace width calculator 3 5824 April 24, 2011
by esoderberg
OLED display 10 5506 April 23, 2011
by Rick_S
Power Supplies 17 6076 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4192 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4908 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4332 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5363 April 19, 2011
by mongo
Connecting to external control voltages 4 4318 April 19, 2011
by bretm
IR current question 7 4430 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5220 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5389 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4687 April 10, 2011
by uml_12
Basic projects 3 4346 April 09, 2011
by mongo
REFLOW oven 22 7291 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14526 April 07, 2011
by bretm
unexpected MCU rebooting 82 9294 April 05, 2011
by sask55
REFLOW Soldering 3 5269 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4659 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6983 March 30, 2011
by bretm
Black Display on LCD 6 4633 March 28, 2011
by Druidman
32kHz clock 2 4276 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11414 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11858 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6462 March 16, 2011
by mongo
LCD problem 3 4680 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5261 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5379 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4386 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8019 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5304 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5258 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12305 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8951 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5921 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9389 February 19, 2011
by Lusitania
My first Impression 6 4772 February 16, 2011
by devinsbusiness
Understanding battery life 3 6047 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5673 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5296 February 05, 2011
by BobaMosfet
High voltage lines 26 7459 February 02, 2011
by mongo
USB 3 4346 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5378 February 02, 2011
by Jalex
Alternating LED circuit 4 5283 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6608 January 31, 2011
by il1019
Affordable oscilloscopes 43 14622 January 27, 2011
by BStory
"And"gate unfinished thought 2 4469 January 27, 2011
by Hexorg
replace MCU? 30 9484 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5031 January 25, 2011
by Ralphxyz
Multimeter! 12 7317 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5968 January 25, 2011
by Jalex
My LED Cube so far 25 10749 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5788 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5214 January 18, 2011
by dgikuljot
Counting 5 4410 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9056 January 17, 2011
by bretm
Programming 5 5268 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5493 January 11, 2011
by Yourself
Begining 7 5565 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5947 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5294 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4597 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5136 January 06, 2011
by Mujda
Data input voltage 6 5127 January 03, 2011
by Rick_S
MOSFET Question 7 5282 December 31, 2010
by Keyster
Transistor as a switch 5 5313 December 29, 2010
by Hexorg
Resistors 5 5662 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10535 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5522 December 28, 2010
by BobaMosfet
Relay ratings 2 4857 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20139 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4698 December 17, 2010
by mongo
Power Rectifier 7 5934 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7261 December 14, 2010
by danuke
This a decent oscilloscope? 8 5088 December 14, 2010
by danuke
Do resistors in series really add up? 8 6479 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5903 December 09, 2010
by bretm
L293 H-Bridge 15 6574 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6775 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6953 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5881 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6379 November 24, 2010
by BobaMosfet
Op-amp not working 6 6683 November 24, 2010
by BobaMosfet
Python questions 4 5657 November 21, 2010
by tkopriva
CE Amp design 5 5158 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5096 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4933 November 05, 2010
by Mujda
PC4 not working?! 8 4791 November 04, 2010
by hapshetsut
Amplifiers 4 4771 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5623 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5713 October 04, 2010
by Scythium
radio interference from NerdKit 11 4809 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9450 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5324 September 11, 2010
by akajester
QFP and dreadboard 2 5221 September 02, 2010
by bretm
Getting power to the spinning part... 5 5097 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12979 August 30, 2010
by Ralphxyz
morse code decoder 2 5209 August 26, 2010
by jonathan_m
Connecting to Computer 3 5173 August 25, 2010
by awesome
555 astable on breadboard 12 6692 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4784 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5309 August 19, 2010
by hevans
mosfet 3 4573 August 13, 2010
by hevans
Good material on learning electronics. 8 5562 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4446 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7087 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6384 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9676 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6854 July 02, 2010
by mongo
Electro Cardio Gram 4 5696 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4510 June 12, 2010
by Wobbler
Voltage Regulator 20 6215 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5760 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6415 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6088 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5275 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4515 June 06, 2010
by Kafke
TSSOP IC! 4 5283 June 03, 2010
by mrobbins
AVcc 2 5527 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4728 May 31, 2010
by hevans
Cable Driver 2 4402 May 31, 2010
by mongo
Best 9V adapter to use 2 4845 May 28, 2010
by mongo
Unidirectional microphones 5 5078 May 27, 2010
by mongo
Servo question 3 4561 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5259 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5098 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6766 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11606 May 21, 2010
by hevans
Chinese Solenoid 15 5046 May 10, 2010
by treymd
avrisp mkii circuit 4 6300 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4629 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9897 May 07, 2010
by rajabalu21
Simple Power Switch 6 4724 May 05, 2010
by avicell
I can haz speed! 3 5065 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6564 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5407 April 21, 2010
by bretm
Help with choosing the right resistor 10 6508 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11085 April 15, 2010
by bretm
Resistor 4 4429 April 15, 2010
by mongo
MCU digital input pins 3 4614 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4920 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10790 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6866 March 28, 2010
by carlhako
Laptop ground safety question 3 4946 March 27, 2010
by ese
LM34 R-C Damper 5 6525 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5239 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4506 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6556 March 23, 2010
by ese
constant system reset 3 4434 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5205 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6253 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5545 March 17, 2010
by Frozenlock
What is -VS? 6 8591 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6364 March 04, 2010
by treymd
Using MCU to connect two wires 3 5437 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10030 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4865 March 02, 2010
by Solorbob
Deciphering power resistors 11 5230 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4632 March 01, 2010
by nrotstan
Understanding LEDs 16 7776 March 01, 2010
by michaeldallas
What's the part I need? 5 4747 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11755 February 23, 2010
by rajabalu21
Too much power? 14 5477 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6157 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6078 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13482 February 18, 2010
by Rick_S
Serial port interface circuit 2 5643 February 17, 2010
by mongo
OBDII project 3 4714 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8239 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7427 February 13, 2010
by BobaMosfet
Digital pots 5 4949 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5249 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6087 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7485 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7654 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5522 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7226 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11020 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5850 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5100 December 27, 2009
by jgauthier
Servo Signal Noise 2 4666 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7994 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11441 December 10, 2009
by georgio
Relays and transistors 12 9455 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9502 December 09, 2009
by Rick_S
IR Detector 7 8967 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5696 November 19, 2009
by mikedoug
Debug with lcd 6 5653 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5143 November 15, 2009
by tech20
Understanding output pin characteristics 4 5019 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6954 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5289 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48734 October 30, 2009
by BobaMosfet
DIY header unit 2 5504 October 10, 2009
by rusirius
Thermostat Logging 6 7124 October 09, 2009
by luke
Understanding transistors 6 6833 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10790 October 07, 2009
by mikedoug
Currant booster 3 4649 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5636 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13610 August 27, 2009
by hevans
Which LED? 14 5381 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6412 August 07, 2009
by mongo
pull up, pull down resistors 7 17813 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11725 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7659 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7056 July 07, 2009
by sector0
Reset switch for circuit 3 5313 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31937 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6423 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5199 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5333 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5831 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5164 May 06, 2009
by paulip

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