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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8789 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8192 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6926 April 12, 2016
by Ralphxyz
USBasp Help! 3 5824 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8060 May 04, 2015
by mongo
Need to replace Wall Watt 16 5328 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4985 April 10, 2015
by Noter
My new 3D Printer 44 20557 April 07, 2015
by Rick_S
AtMega 644 2 5047 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4090 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4761 June 02, 2014
by JKITSON
Automated programming mode? 9 5041 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4616 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4651 January 28, 2014
by lailai
What kind of error is this? 4 4461 January 23, 2014
by Noter
How to double a DC voltage? 20 11843 January 12, 2014
by JKITSON
Is the code the driver? 2 4330 January 12, 2014
by Ralphxyz
Miniature headers 6 4559 January 01, 2014
by Ralphxyz
BLDC 8 4639 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5231 November 26, 2013
by Rick_S
GLCD SPI problems 14 8496 November 10, 2013
by andyi
Moving on... 7 4456 November 08, 2013
by Pr0ject
Power supply questions 4 6005 October 31, 2013
by sask55
OLED 4 4213 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16199 September 22, 2013
by sask55
Opto Interrupter once again 14 8885 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4627 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11617 September 02, 2013
by Ralphxyz
USB cable specifications 7 6145 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5134 August 27, 2013
by Affarram
XMEGA Breakout 8 5497 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4187 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4855 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4898 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11211 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15843 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4165 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4789 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66151 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3983 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4528 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8700 March 14, 2013
by mongo
Current vs Voltage 8 5606 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5199 March 09, 2013
by lnino
Electric current 2 3977 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6915 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9654 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9153 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5051 February 24, 2013
by lnino
Relay Question 27 8307 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7977 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5480 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5355 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5127 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4718 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5375 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4705 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5534 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4049 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4132 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4610 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10132 November 18, 2012
by carlhako
SPI slave clock 6 4843 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4234 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31053 October 23, 2012
by Noter
NPN circuit connection quandry 4 4808 September 24, 2012
by edb
Simple I/O circuit 4 4462 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4242 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3955 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6746 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4457 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6839 September 13, 2012
by dan_engbers
Electronics simulation 8 5095 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7225 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4361 August 20, 2012
by rblalock
louder sound 2 4138 August 18, 2012
by mongo
connector or cable for LCD display? 4 4354 August 13, 2012
by missle3944
Powering L.E.Ds 5 4484 August 09, 2012
by BobaMosfet
Wires in U.K 5 4958 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4863 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7836 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7515 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5309 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22812 July 21, 2012
by lnino
um help 6 3946 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4999 July 18, 2012
by Ralphxyz
help me 11 4853 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4245 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5554 June 24, 2012
by Ralphxyz
HELP 3 3995 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14943 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4105 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6034 June 17, 2012
by RogerFL
Programmable current source 6 6054 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5626 June 11, 2012
by mongo
HELP 6 4324 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4719 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50978 May 24, 2012
by Ralphxyz
i need a code 8 4728 May 15, 2012
by pcbolt
Clock Accuracy 30 9391 May 14, 2012
by HexManiac
Relays and Controlling them 9 4695 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4967 May 09, 2012
by RogerFL
Powering your NerdKit 7 4550 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4568 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7797 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4978 April 24, 2012
by pcbolt
Programs will not run 6 4460 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5097 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4764 April 09, 2012
by Ralphxyz
Path Lights controller 2 4331 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4449 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4975 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4545 April 01, 2012
by JamesFysh
Question on LCD screen 5 4544 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4507 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5831 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5441 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9143 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4631 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5856 March 15, 2012
by mongo
Digital servo issues! 9 5142 March 15, 2012
by Rick_S
Brushless motor control 16 5488 March 12, 2012
by hevans
Windows not detecting device 3 4286 March 10, 2012
by hevans
Voltage throught MCU 5 4294 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20171 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11899 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21140 March 01, 2012
by hevans
Up and running... 3 4088 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4755 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5113 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4333 February 24, 2012
by Rick_S
programming lcd trubs 7 4441 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5113 February 18, 2012
by Rick_S
Oscilloscope 15 6389 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10895 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5549 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4733 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11406 February 09, 2012
by mongo
Data transmission 3 5285 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5092 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6664 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4583 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4135 January 31, 2012
by tchilzer2
H bridge questions 6 4913 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4658 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5090 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5280 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8412 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4950 January 15, 2012
by Rick_S
Source of power? 19 5079 January 13, 2012
by mongo
symbol defined please? 4 4767 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18062 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4668 January 06, 2012
by boxvic
Basic LED circuit properties 8 4896 January 06, 2012
by boxvic
Getting Started 3 4365 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5559 January 02, 2012
by bodangly
SMD reflow 16 5657 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4625 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5287 December 23, 2011
by BobaMosfet
Potentiometer 8 6245 December 23, 2011
by huzbum
Fun with Op-Amps 3 6481 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5543 December 19, 2011
by n1cl3
Odessy of the minds 5 4817 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4185 November 27, 2011
by sazD
Initial Load 2 4849 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5563 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6249 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4920 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10057 November 10, 2011
by jfbrink
Servo Squitter Project 13 4651 November 09, 2011
by Heed
how do i run a program 4 4219 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4481 November 07, 2011
by Heed
Motor control question 2 4266 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9939 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4530 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4405 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96545 October 24, 2011
by glendon
Measuring Capacitance 9 5962 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4564 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6315 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22956 October 16, 2011
by sask55
RxD / TxD Questions 10 7786 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4649 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4545 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4835 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4341 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13770 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6019 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24473 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13153 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4274 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7846 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13916 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8954 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5399 September 01, 2011
by BobaMosfet
Dim LED 3 4222 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4746 August 23, 2011
by Twarter369
Easy Transistor Question 4 5383 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7145 August 18, 2011
by Ralphxyz
Building a coil?? 12 7153 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4650 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4296 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4126 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4065 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24180 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5404 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4805 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4521 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4566 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7343 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4223 July 17, 2011
by codenamejupiterx
avr macpack 3 4590 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4589 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4675 July 13, 2011
by BobaMosfet
Battery clip wires 3 4145 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4024 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4325 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4562 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5006 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25303 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4532 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4773 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6863 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4802 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4827 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4729 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5298 June 06, 2011
by mja
A couple of questions 3 4439 June 06, 2011
by Ralphxyz
How much should I strip? 3 4504 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5001 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4394 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4726 May 29, 2011
by Rick_S
Digital Input Question 4 4462 May 28, 2011
by frankdwest
PCB arrived 20 4448 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5090 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24083 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5043 May 09, 2011
by Noter
IR current 6 4749 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5462 May 04, 2011
by hariharan
Heat sensors 21 5835 May 04, 2011
by Hexorg
error 1 2 4343 May 02, 2011
by hevans
Transistor vs mosfet 13 12593 May 01, 2011
by Noter
PCB trace width calculator 3 5911 April 24, 2011
by esoderberg
OLED display 10 5621 April 23, 2011
by Rick_S
Power Supplies 17 6173 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4275 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4978 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4415 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5441 April 19, 2011
by mongo
Connecting to external control voltages 4 4396 April 19, 2011
by bretm
IR current question 7 4516 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5306 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5492 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4764 April 10, 2011
by uml_12
Basic projects 3 4440 April 09, 2011
by mongo
REFLOW oven 22 7396 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14701 April 07, 2011
by bretm
unexpected MCU rebooting 82 9416 April 05, 2011
by sask55
REFLOW Soldering 3 5370 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4732 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7075 March 30, 2011
by bretm
Black Display on LCD 6 4709 March 28, 2011
by Druidman
32kHz clock 2 4364 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11544 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12075 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6573 March 16, 2011
by mongo
LCD problem 3 4755 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5363 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5452 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4460 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8158 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5399 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5341 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12392 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9111 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6027 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9474 February 19, 2011
by Lusitania
My first Impression 6 4860 February 16, 2011
by devinsbusiness
Understanding battery life 3 6155 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5765 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5399 February 05, 2011
by BobaMosfet
High voltage lines 26 7562 February 02, 2011
by mongo
USB 3 4414 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5488 February 02, 2011
by Jalex
Alternating LED circuit 4 5366 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6697 January 31, 2011
by il1019
Affordable oscilloscopes 43 14891 January 27, 2011
by BStory
"And"gate unfinished thought 2 4561 January 27, 2011
by Hexorg
replace MCU? 30 9625 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5124 January 25, 2011
by Ralphxyz
Multimeter! 12 7408 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6059 January 25, 2011
by Jalex
My LED Cube so far 25 10837 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5855 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5293 January 18, 2011
by dgikuljot
Counting 5 4508 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9159 January 17, 2011
by bretm
Programming 5 5382 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5575 January 11, 2011
by Yourself
Begining 7 5655 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6041 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5374 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4680 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5218 January 06, 2011
by Mujda
Data input voltage 6 5220 January 03, 2011
by Rick_S
MOSFET Question 7 5369 December 31, 2010
by Keyster
Transistor as a switch 5 5413 December 29, 2010
by Hexorg
Resistors 5 5768 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10695 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5627 December 28, 2010
by BobaMosfet
Relay ratings 2 4941 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20271 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4777 December 17, 2010
by mongo
Power Rectifier 7 7064 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7404 December 14, 2010
by danuke
This a decent oscilloscope? 8 5182 December 14, 2010
by danuke
Do resistors in series really add up? 8 6603 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5998 December 09, 2010
by bretm
L293 H-Bridge 15 6692 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6890 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7074 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5975 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6500 November 24, 2010
by BobaMosfet
Op-amp not working 6 6769 November 24, 2010
by BobaMosfet
Python questions 4 5732 November 21, 2010
by tkopriva
CE Amp design 5 5277 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5185 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5041 November 05, 2010
by Mujda
PC4 not working?! 8 4895 November 04, 2010
by hapshetsut
Amplifiers 4 4852 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5711 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5797 October 04, 2010
by Scythium
radio interference from NerdKit 11 4925 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9553 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5406 September 11, 2010
by akajester
QFP and dreadboard 2 5308 September 02, 2010
by bretm
Getting power to the spinning part... 5 5165 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13115 August 30, 2010
by Ralphxyz
morse code decoder 2 5285 August 26, 2010
by jonathan_m
Connecting to Computer 3 5267 August 25, 2010
by awesome
555 astable on breadboard 12 6778 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4890 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5386 August 19, 2010
by hevans
mosfet 3 4647 August 13, 2010
by hevans
Good material on learning electronics. 8 5646 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4532 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7220 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6464 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9846 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6943 July 02, 2010
by mongo
Electro Cardio Gram 4 5817 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4593 June 12, 2010
by Wobbler
Voltage Regulator 20 6311 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5861 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6523 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6179 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5370 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4604 June 06, 2010
by Kafke
TSSOP IC! 4 5373 June 03, 2010
by mrobbins
AVcc 2 5609 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4804 May 31, 2010
by hevans
Cable Driver 2 4484 May 31, 2010
by mongo
Best 9V adapter to use 2 4926 May 28, 2010
by mongo
Unidirectional microphones 5 5178 May 27, 2010
by mongo
Servo question 3 4641 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5340 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5189 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6868 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11805 May 21, 2010
by hevans
Chinese Solenoid 15 5163 May 10, 2010
by treymd
avrisp mkii circuit 4 6371 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4714 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10038 May 07, 2010
by rajabalu21
Simple Power Switch 6 4810 May 05, 2010
by avicell
I can haz speed! 3 5155 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6656 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5485 April 21, 2010
by bretm
Help with choosing the right resistor 10 6599 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11336 April 15, 2010
by bretm
Resistor 4 4508 April 15, 2010
by mongo
MCU digital input pins 3 4699 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4995 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10884 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6957 March 28, 2010
by carlhako
Laptop ground safety question 3 5035 March 27, 2010
by ese
LM34 R-C Damper 5 6606 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5331 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4632 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6647 March 23, 2010
by ese
constant system reset 3 4521 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5289 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6368 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5625 March 17, 2010
by Frozenlock
What is -VS? 6 8685 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6437 March 04, 2010
by treymd
Using MCU to connect two wires 3 5523 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10265 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4946 March 02, 2010
by Solorbob
Deciphering power resistors 11 5336 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4722 March 01, 2010
by nrotstan
Understanding LEDs 16 7922 March 01, 2010
by michaeldallas
What's the part I need? 5 4830 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11861 February 23, 2010
by rajabalu21
Too much power? 14 5572 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6245 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6182 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13687 February 18, 2010
by Rick_S
Serial port interface circuit 2 5729 February 17, 2010
by mongo
OBDII project 3 4788 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8389 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7542 February 13, 2010
by BobaMosfet
Digital pots 5 5022 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5343 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6220 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7626 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7764 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5594 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7355 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11163 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5962 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5177 December 27, 2009
by jgauthier
Servo Signal Noise 2 4735 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8108 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11553 December 10, 2009
by georgio
Relays and transistors 12 9549 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9608 December 09, 2009
by Rick_S
IR Detector 7 9124 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5793 November 19, 2009
by mikedoug
Debug with lcd 6 5748 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5222 November 15, 2009
by tech20
Understanding output pin characteristics 4 5114 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7109 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5396 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49006 October 30, 2009
by BobaMosfet
DIY header unit 2 5570 October 10, 2009
by rusirius
Thermostat Logging 6 7229 October 09, 2009
by luke
Understanding transistors 6 6920 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10894 October 07, 2009
by mikedoug
Currant booster 3 4733 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5723 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13735 August 27, 2009
by hevans
Which LED? 14 5482 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6512 August 07, 2009
by mongo
pull up, pull down resistors 7 17917 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11860 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7757 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7144 July 07, 2009
by sector0
Reset switch for circuit 3 5390 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32015 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6517 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5275 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5428 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5920 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5256 May 06, 2009
by paulip

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