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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8610 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8049 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6798 April 12, 2016
by Ralphxyz
USBasp Help! 3 5706 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7913 May 04, 2015
by mongo
Need to replace Wall Watt 16 5212 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4889 April 10, 2015
by Noter
My new 3D Printer 44 20450 April 07, 2015
by Rick_S
AtMega 644 2 4974 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4024 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4642 June 02, 2014
by JKITSON
Automated programming mode? 9 4939 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4534 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4521 January 28, 2014
by lailai
What kind of error is this? 4 4395 January 23, 2014
by Noter
How to double a DC voltage? 20 11726 January 12, 2014
by JKITSON
Is the code the driver? 2 4214 January 12, 2014
by Ralphxyz
Miniature headers 6 4495 January 01, 2014
by Ralphxyz
BLDC 8 4541 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5106 November 26, 2013
by Rick_S
GLCD SPI problems 14 8394 November 10, 2013
by andyi
Moving on... 7 4368 November 08, 2013
by Pr0ject
Power supply questions 4 5869 October 31, 2013
by sask55
OLED 4 4110 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16011 September 22, 2013
by sask55
Opto Interrupter once again 14 8737 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4558 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11470 September 02, 2013
by Ralphxyz
USB cable specifications 7 5964 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4998 August 27, 2013
by Affarram
XMEGA Breakout 8 5391 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4103 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4772 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4803 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10990 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15634 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4084 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4705 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65871 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3914 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4415 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8573 March 14, 2013
by mongo
Current vs Voltage 8 5506 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5124 March 09, 2013
by lnino
Electric current 2 3904 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6844 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9516 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8938 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4949 February 24, 2013
by lnino
Relay Question 27 8191 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7857 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5381 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5287 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5028 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4635 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5248 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4595 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5446 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3975 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4064 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4553 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9937 November 18, 2012
by carlhako
SPI slave clock 6 4750 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4161 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30732 October 23, 2012
by Noter
NPN circuit connection quandry 4 4728 September 24, 2012
by edb
Simple I/O circuit 4 4381 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4171 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3832 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6581 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4393 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6753 September 13, 2012
by dan_engbers
Electronics simulation 8 5033 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7133 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4295 August 20, 2012
by rblalock
louder sound 2 4066 August 18, 2012
by mongo
connector or cable for LCD display? 4 4290 August 13, 2012
by missle3944
Powering L.E.Ds 5 4411 August 09, 2012
by BobaMosfet
Wires in U.K 5 4888 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4790 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7719 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7423 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5196 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22690 July 21, 2012
by lnino
um help 6 3880 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4908 July 18, 2012
by Ralphxyz
help me 11 4768 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4172 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5452 June 24, 2012
by Ralphxyz
HELP 3 3923 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14821 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4035 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5956 June 17, 2012
by RogerFL
Programmable current source 6 5901 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5542 June 11, 2012
by mongo
HELP 6 4245 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4624 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50326 May 24, 2012
by Ralphxyz
i need a code 8 4644 May 15, 2012
by pcbolt
Clock Accuracy 30 9293 May 14, 2012
by HexManiac
Relays and Controlling them 9 4612 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4889 May 09, 2012
by RogerFL
Powering your NerdKit 7 4467 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4491 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7687 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4912 April 24, 2012
by pcbolt
Programs will not run 6 4380 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5001 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4684 April 09, 2012
by Ralphxyz
Path Lights controller 2 4241 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4371 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4880 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4466 April 01, 2012
by JamesFysh
Question on LCD screen 5 4474 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4417 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5707 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5344 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9043 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4552 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5706 March 15, 2012
by mongo
Digital servo issues! 9 5054 March 15, 2012
by Rick_S
Brushless motor control 16 5409 March 12, 2012
by hevans
Windows not detecting device 3 4204 March 10, 2012
by hevans
Voltage throught MCU 5 4221 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19992 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11755 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20878 March 01, 2012
by hevans
Up and running... 3 4005 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4670 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5026 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4251 February 24, 2012
by Rick_S
programming lcd trubs 7 4308 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5032 February 18, 2012
by Rick_S
Oscilloscope 15 6304 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10757 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5466 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4650 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11193 February 09, 2012
by mongo
Data transmission 3 5215 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5016 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6581 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4501 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4070 January 31, 2012
by tchilzer2
H bridge questions 6 4842 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4580 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4978 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5187 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8313 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4853 January 15, 2012
by Rick_S
Source of power? 19 4976 January 13, 2012
by mongo
symbol defined please? 4 4701 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17861 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4590 January 06, 2012
by boxvic
Basic LED circuit properties 8 4810 January 06, 2012
by boxvic
Getting Started 3 4295 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5480 January 02, 2012
by bodangly
SMD reflow 16 5575 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4546 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5224 December 23, 2011
by BobaMosfet
Potentiometer 8 6123 December 23, 2011
by huzbum
Fun with Op-Amps 3 6386 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5461 December 19, 2011
by n1cl3
Odessy of the minds 5 4748 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4113 November 27, 2011
by sazD
Initial Load 2 4780 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5469 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6164 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4835 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9946 November 10, 2011
by jfbrink
Servo Squitter Project 13 4569 November 09, 2011
by Heed
how do i run a program 4 4158 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4405 November 07, 2011
by Heed
Motor control question 2 4203 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9790 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4446 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4340 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96100 October 24, 2011
by glendon
Measuring Capacitance 9 5871 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4496 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6229 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22693 October 16, 2011
by sask55
RxD / TxD Questions 10 7642 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4573 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4472 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4763 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4274 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13481 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5930 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24327 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12961 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4207 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7751 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13687 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8860 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5311 September 01, 2011
by BobaMosfet
Dim LED 3 4144 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4670 August 23, 2011
by Twarter369
Easy Transistor Question 4 5293 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7019 August 18, 2011
by Ralphxyz
Building a coil?? 12 7054 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4577 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4225 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4053 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4002 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24021 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5326 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4739 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4448 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4493 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7265 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4146 July 17, 2011
by codenamejupiterx
avr macpack 3 4520 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4492 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4575 July 13, 2011
by BobaMosfet
Battery clip wires 3 4088 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3951 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4251 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4483 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4883 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25160 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4459 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4688 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6770 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4725 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4743 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4661 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5195 June 06, 2011
by mja
A couple of questions 3 4369 June 06, 2011
by Ralphxyz
How much should I strip? 3 4434 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4922 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4302 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4639 May 29, 2011
by Rick_S
Digital Input Question 4 4381 May 28, 2011
by frankdwest
PCB arrived 20 4373 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5021 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23912 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4967 May 09, 2011
by Noter
IR current 6 4681 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5385 May 04, 2011
by hariharan
Heat sensors 21 5756 May 04, 2011
by Hexorg
error 1 2 4216 May 02, 2011
by hevans
Transistor vs mosfet 13 12468 May 01, 2011
by Noter
PCB trace width calculator 3 5834 April 24, 2011
by esoderberg
OLED display 10 5519 April 23, 2011
by Rick_S
Power Supplies 17 6093 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4202 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4917 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4341 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5368 April 19, 2011
by mongo
Connecting to external control voltages 4 4325 April 19, 2011
by bretm
IR current question 7 4442 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5227 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5404 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4695 April 10, 2011
by uml_12
Basic projects 3 4360 April 09, 2011
by mongo
REFLOW oven 22 7303 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14545 April 07, 2011
by bretm
unexpected MCU rebooting 82 9306 April 05, 2011
by sask55
REFLOW Soldering 3 5279 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4668 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6991 March 30, 2011
by bretm
Black Display on LCD 6 4641 March 28, 2011
by Druidman
32kHz clock 2 4284 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11426 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11876 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6473 March 16, 2011
by mongo
LCD problem 3 4687 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5274 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5388 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4392 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8032 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5314 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5265 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12312 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8963 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5933 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9397 February 19, 2011
by Lusitania
My first Impression 6 4780 February 16, 2011
by devinsbusiness
Understanding battery life 3 6058 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5683 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5309 February 05, 2011
by BobaMosfet
High voltage lines 26 7473 February 02, 2011
by mongo
USB 3 4353 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5394 February 02, 2011
by Jalex
Alternating LED circuit 4 5293 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6617 January 31, 2011
by il1019
Affordable oscilloscopes 43 14649 January 27, 2011
by BStory
"And"gate unfinished thought 2 4475 January 27, 2011
by Hexorg
replace MCU? 30 9497 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5041 January 25, 2011
by Ralphxyz
Multimeter! 12 7331 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5977 January 25, 2011
by Jalex
My LED Cube so far 25 10755 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5803 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5220 January 18, 2011
by dgikuljot
Counting 5 4422 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9065 January 17, 2011
by bretm
Programming 5 5281 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5503 January 11, 2011
by Yourself
Begining 7 5573 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5962 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5304 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4603 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5144 January 06, 2011
by Mujda
Data input voltage 6 5136 January 03, 2011
by Rick_S
MOSFET Question 7 5295 December 31, 2010
by Keyster
Transistor as a switch 5 5323 December 29, 2010
by Hexorg
Resistors 5 5679 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10548 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5534 December 28, 2010
by BobaMosfet
Relay ratings 2 4864 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20151 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4708 December 17, 2010
by mongo
Power Rectifier 7 6160 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7278 December 14, 2010
by danuke
This a decent oscilloscope? 8 5103 December 14, 2010
by danuke
Do resistors in series really add up? 8 6494 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5910 December 09, 2010
by bretm
L293 H-Bridge 15 6588 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6785 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6960 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5892 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6394 November 24, 2010
by BobaMosfet
Op-amp not working 6 6697 November 24, 2010
by BobaMosfet
Python questions 4 5665 November 21, 2010
by tkopriva
CE Amp design 5 5165 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5104 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4942 November 05, 2010
by Mujda
PC4 not working?! 8 4804 November 04, 2010
by hapshetsut
Amplifiers 4 4777 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5631 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5721 October 04, 2010
by Scythium
radio interference from NerdKit 11 4821 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9463 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5336 September 11, 2010
by akajester
QFP and dreadboard 2 5227 September 02, 2010
by bretm
Getting power to the spinning part... 5 5104 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12994 August 30, 2010
by Ralphxyz
morse code decoder 2 5218 August 26, 2010
by jonathan_m
Connecting to Computer 3 5183 August 25, 2010
by awesome
555 astable on breadboard 12 6705 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4805 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5320 August 19, 2010
by hevans
mosfet 3 4581 August 13, 2010
by hevans
Good material on learning electronics. 8 5572 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4459 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7103 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6391 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9691 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6865 July 02, 2010
by mongo
Electro Cardio Gram 4 5716 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4517 June 12, 2010
by Wobbler
Voltage Regulator 20 6229 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5767 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6428 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6097 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5285 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4528 June 06, 2010
by Kafke
TSSOP IC! 4 5292 June 03, 2010
by mrobbins
AVcc 2 5536 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4737 May 31, 2010
by hevans
Cable Driver 2 4409 May 31, 2010
by mongo
Best 9V adapter to use 2 4854 May 28, 2010
by mongo
Unidirectional microphones 5 5086 May 27, 2010
by mongo
Servo question 3 4567 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5270 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5108 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6780 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11624 May 21, 2010
by hevans
Chinese Solenoid 15 5065 May 10, 2010
by treymd
avrisp mkii circuit 4 6310 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4638 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9915 May 07, 2010
by rajabalu21
Simple Power Switch 6 4733 May 05, 2010
by avicell
I can haz speed! 3 5077 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6574 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5413 April 21, 2010
by bretm
Help with choosing the right resistor 10 6516 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11111 April 15, 2010
by bretm
Resistor 4 4439 April 15, 2010
by mongo
MCU digital input pins 3 4623 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4928 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10799 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6880 March 28, 2010
by carlhako
Laptop ground safety question 3 4959 March 27, 2010
by ese
LM34 R-C Damper 5 6535 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5253 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4516 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6566 March 23, 2010
by ese
constant system reset 3 4443 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5214 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6263 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5556 March 17, 2010
by Frozenlock
What is -VS? 6 8604 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6377 March 04, 2010
by treymd
Using MCU to connect two wires 3 5447 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10049 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4871 March 02, 2010
by Solorbob
Deciphering power resistors 11 5243 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4640 March 01, 2010
by nrotstan
Understanding LEDs 16 7793 March 01, 2010
by michaeldallas
What's the part I need? 5 4754 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11767 February 23, 2010
by rajabalu21
Too much power? 14 5489 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6168 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6089 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13504 February 18, 2010
by Rick_S
Serial port interface circuit 2 5652 February 17, 2010
by mongo
OBDII project 3 4719 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8264 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7443 February 13, 2010
by BobaMosfet
Digital pots 5 4958 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5261 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6097 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7506 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7666 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5531 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7240 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11043 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5865 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5112 December 27, 2009
by jgauthier
Servo Signal Noise 2 4673 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8008 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11455 December 10, 2009
by georgio
Relays and transistors 12 9468 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9514 December 09, 2009
by Rick_S
IR Detector 7 8979 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5709 November 19, 2009
by mikedoug
Debug with lcd 6 5664 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5154 November 15, 2009
by tech20
Understanding output pin characteristics 4 5030 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6970 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5302 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48762 October 30, 2009
by BobaMosfet
DIY header unit 2 5512 October 10, 2009
by rusirius
Thermostat Logging 6 7133 October 09, 2009
by luke
Understanding transistors 6 6843 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10802 October 07, 2009
by mikedoug
Currant booster 3 4660 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5646 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13624 August 27, 2009
by hevans
Which LED? 14 5394 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6424 August 07, 2009
by mongo
pull up, pull down resistors 7 17821 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11738 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7675 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7069 July 07, 2009
by sector0
Reset switch for circuit 3 5322 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31946 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6433 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5209 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5340 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5838 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5174 May 06, 2009
by paulip

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