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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8460 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7968 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6734 April 12, 2016
by Ralphxyz
USBasp Help! 3 5638 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7834 May 04, 2015
by mongo
Need to replace Wall Watt 16 5139 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4820 April 10, 2015
by Noter
My new 3D Printer 44 20370 April 07, 2015
by Rick_S
AtMega 644 2 4940 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3980 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4564 June 02, 2014
by JKITSON
Automated programming mode? 9 4877 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4488 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4440 January 28, 2014
by lailai
What kind of error is this? 4 4355 January 23, 2014
by Noter
How to double a DC voltage? 20 11643 January 12, 2014
by JKITSON
Is the code the driver? 2 4148 January 12, 2014
by Ralphxyz
Miniature headers 6 4454 January 01, 2014
by Ralphxyz
BLDC 8 4477 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5012 November 26, 2013
by Rick_S
GLCD SPI problems 14 8324 November 10, 2013
by andyi
Moving on... 7 4319 November 08, 2013
by Pr0ject
Power supply questions 4 5782 October 31, 2013
by sask55
OLED 4 4050 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15919 September 22, 2013
by sask55
Opto Interrupter once again 14 8643 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4508 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11384 September 02, 2013
by Ralphxyz
USB cable specifications 7 5858 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4925 August 27, 2013
by Affarram
XMEGA Breakout 8 5315 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4048 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4726 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4749 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10897 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15518 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4022 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4657 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65631 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3875 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4341 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8493 March 14, 2013
by mongo
Current vs Voltage 8 5424 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5067 March 09, 2013
by lnino
Electric current 2 3855 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6798 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9446 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8837 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4892 February 24, 2013
by lnino
Relay Question 27 8126 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7791 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5322 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5241 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4962 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4579 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5165 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4528 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5385 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3928 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4023 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4507 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9862 November 18, 2012
by carlhako
SPI slave clock 6 4696 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4119 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30520 October 23, 2012
by Noter
NPN circuit connection quandry 4 4676 September 24, 2012
by edb
Simple I/O circuit 4 4332 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4129 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3782 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6492 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4345 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6704 September 13, 2012
by dan_engbers
Electronics simulation 8 4995 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7067 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4244 August 20, 2012
by rblalock
louder sound 2 4019 August 18, 2012
by mongo
connector or cable for LCD display? 4 4241 August 13, 2012
by missle3944
Powering L.E.Ds 5 4362 August 09, 2012
by BobaMosfet
Wires in U.K 5 4834 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4749 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7651 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7372 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5147 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22626 July 21, 2012
by lnino
um help 6 3836 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4864 July 18, 2012
by Ralphxyz
help me 11 4717 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4127 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5385 June 24, 2012
by Ralphxyz
HELP 3 3886 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14750 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3994 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5914 June 17, 2012
by RogerFL
Programmable current source 6 5831 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5499 June 11, 2012
by mongo
HELP 6 4205 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4564 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50067 May 24, 2012
by Ralphxyz
i need a code 8 4602 May 15, 2012
by pcbolt
Clock Accuracy 30 9234 May 14, 2012
by HexManiac
Relays and Controlling them 9 4552 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4835 May 09, 2012
by RogerFL
Powering your NerdKit 7 4418 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4446 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7628 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4869 April 24, 2012
by pcbolt
Programs will not run 6 4330 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4960 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4640 April 09, 2012
by Ralphxyz
Path Lights controller 2 4197 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4314 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4828 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4419 April 01, 2012
by JamesFysh
Question on LCD screen 5 4428 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4374 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5639 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5278 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8990 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4499 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5632 March 15, 2012
by mongo
Digital servo issues! 9 4999 March 15, 2012
by Rick_S
Brushless motor control 16 5357 March 12, 2012
by hevans
Windows not detecting device 3 4155 March 10, 2012
by hevans
Voltage throught MCU 5 4163 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19899 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11665 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20747 March 01, 2012
by hevans
Up and running... 3 3962 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4627 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4961 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4204 February 24, 2012
by Rick_S
programming lcd trubs 7 4260 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4982 February 18, 2012
by Rick_S
Oscilloscope 15 6253 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10654 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5417 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4595 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11106 February 09, 2012
by mongo
Data transmission 3 5180 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4969 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6507 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4454 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4025 January 31, 2012
by tchilzer2
H bridge questions 6 4788 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4524 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4906 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5133 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8252 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4801 January 15, 2012
by Rick_S
Source of power? 19 4925 January 13, 2012
by mongo
symbol defined please? 4 4663 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17760 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4536 January 06, 2012
by boxvic
Basic LED circuit properties 8 4758 January 06, 2012
by boxvic
Getting Started 3 4252 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5429 January 02, 2012
by bodangly
SMD reflow 16 5518 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4484 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5172 December 23, 2011
by BobaMosfet
Potentiometer 8 6027 December 23, 2011
by huzbum
Fun with Op-Amps 3 6330 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5405 December 19, 2011
by n1cl3
Odessy of the minds 5 4698 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4069 November 27, 2011
by sazD
Initial Load 2 4734 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5406 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6103 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4786 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9853 November 10, 2011
by jfbrink
Servo Squitter Project 13 4517 November 09, 2011
by Heed
how do i run a program 4 4126 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4362 November 07, 2011
by Heed
Motor control question 2 4158 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9706 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4394 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4297 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 95840 October 24, 2011
by glendon
Measuring Capacitance 9 5816 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4453 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6166 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22555 October 16, 2011
by sask55
RxD / TxD Questions 10 7552 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4535 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4424 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4682 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4231 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13332 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5868 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24256 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12872 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4158 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7688 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13597 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8803 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5251 September 01, 2011
by BobaMosfet
Dim LED 3 4098 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4625 August 23, 2011
by Twarter369
Easy Transistor Question 4 5235 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6960 August 18, 2011
by Ralphxyz
Building a coil?? 12 6998 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4538 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4188 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4006 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3960 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23927 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5278 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4695 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4403 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4443 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7223 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4090 July 17, 2011
by codenamejupiterx
avr macpack 3 4480 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4440 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4511 July 13, 2011
by BobaMosfet
Battery clip wires 3 4038 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3905 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4205 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4435 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4824 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25061 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4410 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4627 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6709 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4662 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4697 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4620 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5140 June 06, 2011
by mja
A couple of questions 3 4314 June 06, 2011
by Ralphxyz
How much should I strip? 3 4391 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4858 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4258 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4594 May 29, 2011
by Rick_S
Digital Input Question 4 4339 May 28, 2011
by frankdwest
PCB arrived 20 4324 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4963 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23819 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4922 May 09, 2011
by Noter
IR current 6 4639 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5328 May 04, 2011
by hariharan
Heat sensors 21 5687 May 04, 2011
by Hexorg
error 1 2 4164 May 02, 2011
by hevans
Transistor vs mosfet 13 12363 May 01, 2011
by Noter
PCB trace width calculator 3 5781 April 24, 2011
by esoderberg
OLED display 10 5466 April 23, 2011
by Rick_S
Power Supplies 17 6029 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4156 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4870 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4274 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5323 April 19, 2011
by mongo
Connecting to external control voltages 4 4285 April 19, 2011
by bretm
IR current question 7 4397 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5179 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5347 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4648 April 10, 2011
by uml_12
Basic projects 3 4309 April 09, 2011
by mongo
REFLOW oven 22 7258 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14427 April 07, 2011
by bretm
unexpected MCU rebooting 82 9249 April 05, 2011
by sask55
REFLOW Soldering 3 5234 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4607 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6940 March 30, 2011
by bretm
Black Display on LCD 6 4599 March 28, 2011
by Druidman
32kHz clock 2 4235 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11371 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11762 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6422 March 16, 2011
by mongo
LCD problem 3 4645 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5214 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5346 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4352 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7933 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5261 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5212 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12270 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8895 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5877 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9346 February 19, 2011
by Lusitania
My first Impression 6 4721 February 16, 2011
by devinsbusiness
Understanding battery life 3 5998 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5637 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5251 February 05, 2011
by BobaMosfet
High voltage lines 26 7396 February 02, 2011
by mongo
USB 3 4317 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5332 February 02, 2011
by Jalex
Alternating LED circuit 4 5249 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6561 January 31, 2011
by il1019
Affordable oscilloscopes 43 14515 January 27, 2011
by BStory
"And"gate unfinished thought 2 4431 January 27, 2011
by Hexorg
replace MCU? 30 9424 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4985 January 25, 2011
by Ralphxyz
Multimeter! 12 7262 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5911 January 25, 2011
by Jalex
My LED Cube so far 25 10700 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5753 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5176 January 18, 2011
by dgikuljot
Counting 5 4364 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9003 January 17, 2011
by bretm
Programming 5 5220 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5450 January 11, 2011
by Yourself
Begining 7 5522 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5911 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5257 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4562 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5093 January 06, 2011
by Mujda
Data input voltage 6 5092 January 03, 2011
by Rick_S
MOSFET Question 7 5245 December 31, 2010
by Keyster
Transistor as a switch 5 5271 December 29, 2010
by Hexorg
Resistors 5 5612 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10479 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5469 December 28, 2010
by BobaMosfet
Relay ratings 2 4811 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20091 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4654 December 17, 2010
by mongo
Power Rectifier 7 5127 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7194 December 14, 2010
by danuke
This a decent oscilloscope? 8 5049 December 14, 2010
by danuke
Do resistors in series really add up? 8 6426 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5854 December 09, 2010
by bretm
L293 H-Bridge 15 6534 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6729 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6909 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5825 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6336 November 24, 2010
by BobaMosfet
Op-amp not working 6 6633 November 24, 2010
by BobaMosfet
Python questions 4 5618 November 21, 2010
by tkopriva
CE Amp design 5 5115 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5059 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4887 November 05, 2010
by Mujda
PC4 not working?! 8 4736 November 04, 2010
by hapshetsut
Amplifiers 4 4729 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5586 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5664 October 04, 2010
by Scythium
radio interference from NerdKit 11 4761 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9396 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5289 September 11, 2010
by akajester
QFP and dreadboard 2 5184 September 02, 2010
by bretm
Getting power to the spinning part... 5 5062 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12917 August 30, 2010
by Ralphxyz
morse code decoder 2 5173 August 26, 2010
by jonathan_m
Connecting to Computer 3 5124 August 25, 2010
by awesome
555 astable on breadboard 12 6656 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4750 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5254 August 19, 2010
by hevans
mosfet 3 4536 August 13, 2010
by hevans
Good material on learning electronics. 8 5523 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4415 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7027 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6347 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9615 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6812 July 02, 2010
by mongo
Electro Cardio Gram 4 5647 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4483 June 12, 2010
by Wobbler
Voltage Regulator 20 6165 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5726 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6371 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6047 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5237 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4477 June 06, 2010
by Kafke
TSSOP IC! 4 5243 June 03, 2010
by mrobbins
AVcc 2 5489 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4689 May 31, 2010
by hevans
Cable Driver 2 4374 May 31, 2010
by mongo
Best 9V adapter to use 2 4806 May 28, 2010
by mongo
Unidirectional microphones 5 5045 May 27, 2010
by mongo
Servo question 3 4524 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5211 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5063 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6717 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11512 May 21, 2010
by hevans
Chinese Solenoid 15 4992 May 10, 2010
by treymd
avrisp mkii circuit 4 6260 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4596 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9829 May 07, 2010
by rajabalu21
Simple Power Switch 6 4687 May 05, 2010
by avicell
I can haz speed! 3 5032 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6515 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5367 April 21, 2010
by bretm
Help with choosing the right resistor 10 6458 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11012 April 15, 2010
by bretm
Resistor 4 4386 April 15, 2010
by mongo
MCU digital input pins 3 4581 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4868 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10744 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6832 March 28, 2010
by carlhako
Laptop ground safety question 3 4904 March 27, 2010
by ese
LM34 R-C Damper 5 6491 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5199 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4469 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6520 March 23, 2010
by ese
constant system reset 3 4396 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5169 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6198 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5508 March 17, 2010
by Frozenlock
What is -VS? 6 8534 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6338 March 04, 2010
by treymd
Using MCU to connect two wires 3 5384 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9960 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4829 March 02, 2010
by Solorbob
Deciphering power resistors 11 5185 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4596 March 01, 2010
by nrotstan
Understanding LEDs 16 7723 March 01, 2010
by michaeldallas
What's the part I need? 5 4694 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11701 February 23, 2010
by rajabalu21
Too much power? 14 5438 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6108 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6039 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13406 February 18, 2010
by Rick_S
Serial port interface circuit 2 5600 February 17, 2010
by mongo
OBDII project 3 4679 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8169 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7379 February 13, 2010
by BobaMosfet
Digital pots 5 4915 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5197 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6042 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7417 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7614 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5476 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7161 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10961 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5799 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5065 December 27, 2009
by jgauthier
Servo Signal Noise 2 4622 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7927 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11391 December 10, 2009
by georgio
Relays and transistors 12 9399 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9453 December 09, 2009
by Rick_S
IR Detector 7 8895 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5650 November 19, 2009
by mikedoug
Debug with lcd 6 5613 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5111 November 15, 2009
by tech20
Understanding output pin characteristics 4 4972 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6906 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5236 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48623 October 30, 2009
by BobaMosfet
DIY header unit 2 5468 October 10, 2009
by rusirius
Thermostat Logging 6 7077 October 09, 2009
by luke
Understanding transistors 6 6793 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10725 October 07, 2009
by mikedoug
Currant booster 3 4610 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5602 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13555 August 27, 2009
by hevans
Which LED? 14 5341 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6355 August 07, 2009
by mongo
pull up, pull down resistors 7 17770 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11672 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7595 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7010 July 07, 2009
by sector0
Reset switch for circuit 3 5278 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31902 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6378 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5165 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5291 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5793 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5125 May 06, 2009
by paulip

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