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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 5573 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6716 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5514 April 12, 2016
by Ralphxyz
USBasp Help! 3 4408 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6431 May 04, 2015
by mongo
Need to replace Wall Watt 16 3812 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3709 April 10, 2015
by Noter
My new 3D Printer 44 19117 April 07, 2015
by Rick_S
AtMega 644 2 3874 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3022 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3462 June 02, 2014
by JKITSON
Automated programming mode? 9 3846 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3482 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3351 January 28, 2014
by lailai
What kind of error is this? 4 3394 January 23, 2014
by Noter
How to double a DC voltage? 20 10107 January 12, 2014
by JKITSON
Is the code the driver? 2 3076 January 12, 2014
by Ralphxyz
Miniature headers 6 3479 January 01, 2014
by Ralphxyz
BLDC 8 3448 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3884 November 26, 2013
by Rick_S
GLCD SPI problems 14 7222 November 10, 2013
by andyi
Moving on... 7 3408 November 08, 2013
by Pr0ject
Power supply questions 4 4610 October 31, 2013
by sask55
OLED 4 3085 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14005 September 22, 2013
by sask55
Opto Interrupter once again 14 7412 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3474 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10162 September 02, 2013
by Ralphxyz
USB cable specifications 7 4532 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3818 August 27, 2013
by Affarram
XMEGA Breakout 8 4207 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3076 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3654 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3691 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9330 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 13952 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3036 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3520 April 08, 2013
by pcbolt
Using diode to drop voltage 12 62779 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2949 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3298 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 6986 March 14, 2013
by mongo
Current vs Voltage 8 4122 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4065 March 09, 2013
by lnino
Electric current 2 2889 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5855 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8157 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7216 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3920 February 24, 2013
by lnino
Relay Question 27 7034 February 19, 2013
by Noter
Rotary Encoder how to?? 21 6672 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4281 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4258 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3922 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3524 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4026 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3520 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4307 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3038 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3098 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3583 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8713 November 18, 2012
by carlhako
SPI slave clock 6 3681 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3202 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 26612 October 23, 2012
by Noter
NPN circuit connection quandry 4 3757 September 24, 2012
by edb
Simple I/O circuit 4 3392 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3189 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2861 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5262 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3426 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5647 September 13, 2012
by dan_engbers
Electronics simulation 8 4028 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5950 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3323 August 20, 2012
by rblalock
louder sound 2 3106 August 18, 2012
by mongo
connector or cable for LCD display? 4 3274 August 13, 2012
by missle3944
Powering L.E.Ds 5 3386 August 09, 2012
by BobaMosfet
Wires in U.K 5 3866 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3743 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6306 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6326 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4125 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21317 July 21, 2012
by lnino
um help 6 3126 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3932 July 18, 2012
by Ralphxyz
help me 11 3720 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3217 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4413 June 24, 2012
by Ralphxyz
HELP 3 2983 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13527 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3137 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 4908 June 17, 2012
by RogerFL
Programmable current source 6 4659 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4534 June 11, 2012
by mongo
HELP 6 3310 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3516 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 46981 May 24, 2012
by Ralphxyz
i need a code 8 3720 May 15, 2012
by pcbolt
Clock Accuracy 30 8166 May 14, 2012
by HexManiac
Relays and Controlling them 9 3600 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3952 May 09, 2012
by RogerFL
Powering your NerdKit 7 3555 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3494 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6585 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3971 April 24, 2012
by pcbolt
Programs will not run 6 3381 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4001 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3748 April 09, 2012
by Ralphxyz
Path Lights controller 2 3254 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3388 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3880 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3564 April 01, 2012
by JamesFysh
Question on LCD screen 5 3471 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3446 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4669 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4273 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 7935 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3635 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4446 March 15, 2012
by mongo
Digital servo issues! 9 3969 March 15, 2012
by Rick_S
Brushless motor control 16 4369 March 12, 2012
by hevans
Windows not detecting device 3 3277 March 10, 2012
by hevans
Voltage throught MCU 5 3236 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18414 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10459 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 17950 March 01, 2012
by hevans
Up and running... 3 3006 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3595 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3925 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3257 February 24, 2012
by Rick_S
programming lcd trubs 7 3333 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4005 February 18, 2012
by Rick_S
Oscilloscope 15 5152 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9283 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4532 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3670 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9317 February 09, 2012
by mongo
Data transmission 3 4241 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4015 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5430 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3456 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3099 January 31, 2012
by tchilzer2
H bridge questions 6 3777 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3597 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3868 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4142 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7059 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3875 January 15, 2012
by Rick_S
Source of power? 19 3875 January 13, 2012
by mongo
symbol defined please? 4 3780 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16515 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3529 January 06, 2012
by boxvic
Basic LED circuit properties 8 3819 January 06, 2012
by boxvic
Getting Started 3 3363 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4503 January 02, 2012
by bodangly
SMD reflow 16 4498 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3551 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4249 December 23, 2011
by BobaMosfet
Potentiometer 8 4690 December 23, 2011
by huzbum
Fun with Op-Amps 3 5280 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4412 December 19, 2011
by n1cl3
Odessy of the minds 5 3779 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3180 November 27, 2011
by sazD
Initial Load 2 3805 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4250 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5160 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3843 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8682 November 10, 2011
by jfbrink
Servo Squitter Project 13 3590 November 09, 2011
by Heed
how do i run a program 4 3179 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3362 November 07, 2011
by Heed
Motor control question 2 3311 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8379 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3447 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3428 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 91057 October 24, 2011
by glendon
Measuring Capacitance 9 4864 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3592 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5141 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 19800 October 16, 2011
by sask55
RxD / TxD Questions 10 6334 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3635 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3484 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3713 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3331 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 11680 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4945 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 22894 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11210 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3180 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6682 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12214 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7745 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4313 September 01, 2011
by BobaMosfet
Dim LED 3 3203 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3697 August 23, 2011
by Twarter369
Easy Transistor Question 4 4246 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 5875 August 18, 2011
by Ralphxyz
Building a coil?? 12 5891 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3626 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3266 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3048 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3061 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22479 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4401 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3697 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3494 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3502 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6157 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3198 July 17, 2011
by codenamejupiterx
avr macpack 3 3555 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3463 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3544 July 13, 2011
by BobaMosfet
Battery clip wires 3 3167 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3038 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3312 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3538 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3887 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 22617 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3468 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3673 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5562 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3712 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3780 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3770 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3989 June 06, 2011
by mja
A couple of questions 3 3342 June 06, 2011
by Ralphxyz
How much should I strip? 3 3467 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3866 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3350 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3659 May 29, 2011
by Rick_S
Digital Input Question 4 3462 May 28, 2011
by frankdwest
PCB arrived 20 3390 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3994 May 24, 2011
by gcharris
Calculating bypass capacitor 6 21935 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3988 May 09, 2011
by Noter
IR current 6 3693 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4465 May 04, 2011
by hariharan
Heat sensors 21 4667 May 04, 2011
by Hexorg
error 1 2 3237 May 02, 2011
by hevans
Transistor vs mosfet 13 11232 May 01, 2011
by Noter
PCB trace width calculator 3 4797 April 24, 2011
by esoderberg
OLED display 10 4426 April 23, 2011
by Rick_S
Power Supplies 17 5094 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3321 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3847 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3235 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4222 April 19, 2011
by mongo
Connecting to external control voltages 4 3430 April 19, 2011
by bretm
IR current question 7 3491 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4177 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4398 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3739 April 10, 2011
by uml_12
Basic projects 3 3396 April 09, 2011
by mongo
REFLOW oven 22 6201 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 12845 April 07, 2011
by bretm
unexpected MCU rebooting 82 8208 April 05, 2011
by sask55
REFLOW Soldering 3 4170 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3674 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5904 March 30, 2011
by bretm
Black Display on LCD 6 3692 March 28, 2011
by Druidman
32kHz clock 2 3398 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10107 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10070 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5427 March 16, 2011
by mongo
LCD problem 3 3765 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4260 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4454 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3475 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 6743 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4379 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4320 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11215 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7592 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4917 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8248 February 19, 2011
by Lusitania
My first Impression 6 3689 February 16, 2011
by devinsbusiness
Understanding battery life 3 4966 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4708 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4293 February 05, 2011
by BobaMosfet
High voltage lines 26 6262 February 02, 2011
by mongo
USB 3 3453 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4367 February 02, 2011
by Jalex
Alternating LED circuit 4 4226 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5476 January 31, 2011
by il1019
Affordable oscilloscopes 43 13226 January 27, 2011
by BStory
"And"gate unfinished thought 2 3339 January 27, 2011
by Hexorg
replace MCU? 30 8290 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4066 January 25, 2011
by Ralphxyz
Multimeter! 12 6253 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4908 January 25, 2011
by Jalex
My LED Cube so far 25 9663 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4793 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4272 January 18, 2011
by dgikuljot
Counting 5 3300 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7861 January 17, 2011
by bretm
Programming 5 4126 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4445 January 11, 2011
by Yourself
Begining 7 4491 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4945 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4285 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3564 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3998 January 06, 2011
by Mujda
Data input voltage 6 4188 January 03, 2011
by Rick_S
MOSFET Question 7 4219 December 31, 2010
by Keyster
Transistor as a switch 5 4148 December 29, 2010
by Hexorg
Resistors 5 4608 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9293 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4470 December 28, 2010
by BobaMosfet
Relay ratings 2 3897 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 18757 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3596 December 17, 2010
by mongo
Power Rectifier 7 4127 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6136 December 14, 2010
by danuke
This a decent oscilloscope? 8 4132 December 14, 2010
by danuke
Do resistors in series really add up? 8 5323 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4882 December 09, 2010
by bretm
L293 H-Bridge 15 5423 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 5683 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5616 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4741 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5342 November 24, 2010
by BobaMosfet
Op-amp not working 6 5608 November 24, 2010
by BobaMosfet
Python questions 4 4674 November 21, 2010
by tkopriva
CE Amp design 5 4163 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4080 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3918 November 05, 2010
by Mujda
PC4 not working?! 8 3589 November 04, 2010
by hapshetsut
Amplifiers 4 3826 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4660 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4681 October 04, 2010
by Scythium
radio interference from NerdKit 11 3721 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8434 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4258 September 11, 2010
by akajester
QFP and dreadboard 2 4109 September 02, 2010
by bretm
Getting power to the spinning part... 5 4167 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 11574 August 30, 2010
by Ralphxyz
morse code decoder 2 4312 August 26, 2010
by jonathan_m
Connecting to Computer 3 4171 August 25, 2010
by awesome
555 astable on breadboard 12 5713 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3820 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4274 August 19, 2010
by hevans
mosfet 3 3643 August 13, 2010
by hevans
Good material on learning electronics. 8 4585 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3508 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 5912 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5305 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8472 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5694 July 02, 2010
by mongo
Electro Cardio Gram 4 4563 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3588 June 12, 2010
by Wobbler
Voltage Regulator 20 5094 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4801 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5434 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5115 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4246 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3537 June 06, 2010
by Kafke
TSSOP IC! 4 4286 June 03, 2010
by mrobbins
AVcc 2 4519 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3679 May 31, 2010
by hevans
Cable Driver 2 3468 May 31, 2010
by mongo
Best 9V adapter to use 2 3820 May 28, 2010
by mongo
Unidirectional microphones 5 4145 May 27, 2010
by mongo
Servo question 3 3663 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4231 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4155 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5679 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 9855 May 21, 2010
by hevans
Chinese Solenoid 15 4067 May 10, 2010
by treymd
avrisp mkii circuit 4 5313 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3681 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8640 May 07, 2010
by rajabalu21
Simple Power Switch 6 3802 May 05, 2010
by avicell
I can haz speed! 3 4108 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5540 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4442 April 21, 2010
by bretm
Help with choosing the right resistor 10 5438 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 9590 April 15, 2010
by bretm
Resistor 4 3452 April 15, 2010
by mongo
MCU digital input pins 3 3647 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3864 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9763 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5947 March 28, 2010
by carlhako
Laptop ground safety question 3 3996 March 27, 2010
by ese
LM34 R-C Damper 5 5425 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4293 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3591 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5564 March 23, 2010
by ese
constant system reset 3 3464 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4180 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5091 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4575 March 17, 2010
by Frozenlock
What is -VS? 6 7195 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5437 March 04, 2010
by treymd
Using MCU to connect two wires 3 4351 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8709 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3856 March 02, 2010
by Solorbob
Deciphering power resistors 11 4211 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3615 March 01, 2010
by nrotstan
Understanding LEDs 16 6513 March 01, 2010
by michaeldallas
What's the part I need? 5 3726 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10596 February 23, 2010
by rajabalu21
Too much power? 14 4540 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5116 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4881 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12125 February 18, 2010
by Rick_S
Serial port interface circuit 2 4662 February 17, 2010
by mongo
OBDII project 3 3764 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7054 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6255 February 13, 2010
by BobaMosfet
Digital pots 5 4034 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4163 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5176 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5682 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6531 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4481 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6168 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9699 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4934 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4138 December 27, 2009
by jgauthier
Servo Signal Noise 2 3615 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 6834 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10398 December 10, 2009
by georgio
Relays and transistors 12 8341 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8302 December 09, 2009
by Rick_S
IR Detector 7 7514 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4711 November 19, 2009
by mikedoug
Debug with lcd 6 4699 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4250 November 15, 2009
by tech20
Understanding output pin characteristics 4 4006 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5850 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4246 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 46470 October 30, 2009
by BobaMosfet
DIY header unit 2 4552 October 10, 2009
by rusirius
Thermostat Logging 6 5995 October 09, 2009
by luke
Understanding transistors 6 5838 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9604 October 07, 2009
by mikedoug
Currant booster 3 3641 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4743 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12142 August 27, 2009
by hevans
Which LED? 14 4416 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5307 August 07, 2009
by mongo
pull up, pull down resistors 7 16673 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10430 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6416 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5994 July 07, 2009
by sector0
Reset switch for circuit 3 4290 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 30796 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5341 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4250 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4351 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4920 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4167 May 06, 2009
by paulip

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