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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8986 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8346 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7058 April 12, 2016
by Ralphxyz
USBasp Help! 3 5967 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8246 May 04, 2015
by mongo
Need to replace Wall Watt 16 5472 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5110 April 10, 2015
by Noter
My new 3D Printer 44 20690 April 07, 2015
by Rick_S
AtMega 644 2 5136 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4185 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4872 June 02, 2014
by JKITSON
Automated programming mode? 9 5162 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4733 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4760 January 28, 2014
by lailai
What kind of error is this? 4 4547 January 23, 2014
by Noter
How to double a DC voltage? 20 11988 January 12, 2014
by JKITSON
Is the code the driver? 2 4448 January 12, 2014
by Ralphxyz
Miniature headers 6 4662 January 01, 2014
by Ralphxyz
BLDC 8 4757 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5351 November 26, 2013
by Rick_S
GLCD SPI problems 14 8620 November 10, 2013
by andyi
Moving on... 7 4550 November 08, 2013
by Pr0ject
Power supply questions 4 6129 October 31, 2013
by sask55
OLED 4 4324 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16391 September 22, 2013
by sask55
Opto Interrupter once again 14 9031 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4729 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11789 September 02, 2013
by Ralphxyz
USB cable specifications 7 6327 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5261 August 27, 2013
by Affarram
XMEGA Breakout 8 5629 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4279 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4959 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4999 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11709 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16359 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4297 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4896 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66430 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4085 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4654 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8829 March 14, 2013
by mongo
Current vs Voltage 8 5720 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5306 March 09, 2013
by lnino
Electric current 2 4069 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7012 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9929 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9530 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5149 February 24, 2013
by lnino
Relay Question 27 8422 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8111 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5600 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5447 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5232 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4805 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5517 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4813 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5636 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4152 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4219 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4714 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10316 November 18, 2012
by carlhako
SPI slave clock 6 4953 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4331 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31600 October 23, 2012
by Noter
NPN circuit connection quandry 4 4905 September 24, 2012
by edb
Simple I/O circuit 4 4559 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4325 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4076 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6900 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4550 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6945 September 13, 2012
by dan_engbers
Electronics simulation 8 5183 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7360 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4462 August 20, 2012
by rblalock
louder sound 2 4230 August 18, 2012
by mongo
connector or cable for LCD display? 4 4448 August 13, 2012
by missle3944
Powering L.E.Ds 5 4576 August 09, 2012
by BobaMosfet
Wires in U.K 5 5047 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4961 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8109 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7633 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5434 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22967 July 21, 2012
by lnino
um help 6 4038 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5092 July 18, 2012
by Ralphxyz
help me 11 4954 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4356 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5670 June 24, 2012
by Ralphxyz
HELP 3 4086 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15095 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4197 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6126 June 17, 2012
by RogerFL
Programmable current source 6 6194 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5720 June 11, 2012
by mongo
HELP 6 4418 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4821 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52608 May 24, 2012
by Ralphxyz
i need a code 8 4820 May 15, 2012
by pcbolt
Clock Accuracy 30 9490 May 14, 2012
by HexManiac
Relays and Controlling them 9 4800 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5064 May 09, 2012
by RogerFL
Powering your NerdKit 7 4639 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4671 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7932 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5059 April 24, 2012
by pcbolt
Programs will not run 6 4552 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5210 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4856 April 09, 2012
by Ralphxyz
Path Lights controller 2 4422 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4536 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5082 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4632 April 01, 2012
by JamesFysh
Question on LCD screen 5 4654 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4610 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5951 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5568 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9280 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4720 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6045 March 15, 2012
by mongo
Digital servo issues! 9 5264 March 15, 2012
by Rick_S
Brushless motor control 16 5599 March 12, 2012
by hevans
Windows not detecting device 3 4390 March 10, 2012
by hevans
Voltage throught MCU 5 4402 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20306 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12159 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21584 March 01, 2012
by hevans
Up and running... 3 4190 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4853 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5205 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4432 February 24, 2012
by Rick_S
programming lcd trubs 7 4543 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5220 February 18, 2012
by Rick_S
Oscilloscope 15 6508 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11032 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5644 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4833 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12132 February 09, 2012
by mongo
Data transmission 3 5382 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5190 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6771 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4694 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4221 January 31, 2012
by tchilzer2
H bridge questions 6 5017 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4762 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5182 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5390 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8524 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5048 January 15, 2012
by Rick_S
Source of power? 19 5199 January 13, 2012
by mongo
symbol defined please? 4 4855 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18274 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4767 January 06, 2012
by boxvic
Basic LED circuit properties 8 4990 January 06, 2012
by boxvic
Getting Started 3 4459 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5652 January 02, 2012
by bodangly
SMD reflow 16 5769 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4712 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5377 December 23, 2011
by BobaMosfet
Potentiometer 8 6367 December 23, 2011
by huzbum
Fun with Op-Amps 3 6595 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5675 December 19, 2011
by n1cl3
Odessy of the minds 5 4903 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4287 November 27, 2011
by sazD
Initial Load 2 4929 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5675 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6349 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4998 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10185 November 10, 2011
by jfbrink
Servo Squitter Project 13 4754 November 09, 2011
by Heed
how do i run a program 4 4306 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4559 November 07, 2011
by Heed
Motor control question 2 4347 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10097 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4627 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4517 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97898 October 24, 2011
by glendon
Measuring Capacitance 9 6046 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4653 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6408 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23346 October 16, 2011
by sask55
RxD / TxD Questions 10 7998 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4741 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4635 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4921 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4421 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14317 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6120 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24655 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13370 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4359 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7956 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14100 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9082 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5507 September 01, 2011
by BobaMosfet
Dim LED 3 4328 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4833 August 23, 2011
by Twarter369
Easy Transistor Question 4 5490 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7449 August 18, 2011
by Ralphxyz
Building a coil?? 12 7263 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4737 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4395 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4219 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4164 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24327 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5487 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4896 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4604 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4643 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7459 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4309 July 17, 2011
by codenamejupiterx
avr macpack 3 4686 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4675 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4787 July 13, 2011
by BobaMosfet
Battery clip wires 3 4219 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4121 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4406 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4660 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5119 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25473 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4635 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4857 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6989 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4927 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4943 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4810 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5446 June 06, 2011
by mja
A couple of questions 3 4543 June 06, 2011
by Ralphxyz
How much should I strip? 3 4596 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5085 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4492 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4816 May 29, 2011
by Rick_S
Digital Input Question 4 4552 May 28, 2011
by frankdwest
PCB arrived 20 4538 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5189 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24248 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5139 May 09, 2011
by Noter
IR current 6 4839 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5571 May 04, 2011
by hariharan
Heat sensors 21 5944 May 04, 2011
by Hexorg
error 1 2 4429 May 02, 2011
by hevans
Transistor vs mosfet 13 12743 May 01, 2011
by Noter
PCB trace width calculator 3 5994 April 24, 2011
by esoderberg
OLED display 10 5716 April 23, 2011
by Rick_S
Power Supplies 17 6267 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4353 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5066 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4517 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5551 April 19, 2011
by mongo
Connecting to external control voltages 4 4485 April 19, 2011
by bretm
IR current question 7 4608 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5399 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5594 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4852 April 10, 2011
by uml_12
Basic projects 3 4528 April 09, 2011
by mongo
REFLOW oven 22 7493 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14912 April 07, 2011
by bretm
unexpected MCU rebooting 82 9589 April 05, 2011
by sask55
REFLOW Soldering 3 5502 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4827 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7176 March 30, 2011
by bretm
Black Display on LCD 6 4790 March 28, 2011
by Druidman
32kHz clock 2 4442 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11734 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12335 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6665 March 16, 2011
by mongo
LCD problem 3 4834 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5467 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5542 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4545 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8286 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5505 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5431 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12494 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9249 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6124 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9585 February 19, 2011
by Lusitania
My first Impression 6 4964 February 16, 2011
by devinsbusiness
Understanding battery life 3 6297 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5849 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5495 February 05, 2011
by BobaMosfet
High voltage lines 26 7699 February 02, 2011
by mongo
USB 3 4497 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5584 February 02, 2011
by Jalex
Alternating LED circuit 4 5456 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6801 January 31, 2011
by il1019
Affordable oscilloscopes 43 15215 January 27, 2011
by BStory
"And"gate unfinished thought 2 4658 January 27, 2011
by Hexorg
replace MCU? 30 9775 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5229 January 25, 2011
by Ralphxyz
Multimeter! 12 7517 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6161 January 25, 2011
by Jalex
My LED Cube so far 25 10944 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5945 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5384 January 18, 2011
by dgikuljot
Counting 5 4618 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9270 January 17, 2011
by bretm
Programming 5 5492 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5674 January 11, 2011
by Yourself
Begining 7 5760 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6142 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5463 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4784 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5332 January 06, 2011
by Mujda
Data input voltage 6 5324 January 03, 2011
by Rick_S
MOSFET Question 7 5487 December 31, 2010
by Keyster
Transistor as a switch 5 5514 December 29, 2010
by Hexorg
Resistors 5 5875 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10828 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5733 December 28, 2010
by BobaMosfet
Relay ratings 2 5032 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20390 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4868 December 17, 2010
by mongo
Power Rectifier 7 7175 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7507 December 14, 2010
by danuke
This a decent oscilloscope? 8 5282 December 14, 2010
by danuke
Do resistors in series really add up? 8 6709 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6102 December 09, 2010
by bretm
L293 H-Bridge 15 6792 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7011 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7175 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6081 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6603 November 24, 2010
by BobaMosfet
Op-amp not working 6 6874 November 24, 2010
by BobaMosfet
Python questions 4 5828 November 21, 2010
by tkopriva
CE Amp design 5 5390 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5270 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5130 November 05, 2010
by Mujda
PC4 not working?! 8 4990 November 04, 2010
by hapshetsut
Amplifiers 4 4940 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5810 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5908 October 04, 2010
by Scythium
radio interference from NerdKit 11 5028 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9650 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5504 September 11, 2010
by akajester
QFP and dreadboard 2 5398 September 02, 2010
by bretm
Getting power to the spinning part... 5 5250 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13227 August 30, 2010
by Ralphxyz
morse code decoder 2 5365 August 26, 2010
by jonathan_m
Connecting to Computer 3 5346 August 25, 2010
by awesome
555 astable on breadboard 12 6858 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4972 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5469 August 19, 2010
by hevans
mosfet 3 4737 August 13, 2010
by hevans
Good material on learning electronics. 8 5743 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4619 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7367 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6563 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9984 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7035 July 02, 2010
by mongo
Electro Cardio Gram 4 5925 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4676 June 12, 2010
by Wobbler
Voltage Regulator 20 6402 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5949 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6620 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6255 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5460 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4689 June 06, 2010
by Kafke
TSSOP IC! 4 5462 June 03, 2010
by mrobbins
AVcc 2 5691 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4910 May 31, 2010
by hevans
Cable Driver 2 4583 May 31, 2010
by mongo
Best 9V adapter to use 2 5016 May 28, 2010
by mongo
Unidirectional microphones 5 5251 May 27, 2010
by mongo
Servo question 3 4749 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5424 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5281 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6953 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11947 May 21, 2010
by hevans
Chinese Solenoid 15 5266 May 10, 2010
by treymd
avrisp mkii circuit 4 6458 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4802 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10185 May 07, 2010
by rajabalu21
Simple Power Switch 6 4888 May 05, 2010
by avicell
I can haz speed! 3 5246 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6761 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5600 April 21, 2010
by bretm
Help with choosing the right resistor 10 6688 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11469 April 15, 2010
by bretm
Resistor 4 4603 April 15, 2010
by mongo
MCU digital input pins 3 4808 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5093 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10972 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7035 March 28, 2010
by carlhako
Laptop ground safety question 3 5107 March 27, 2010
by ese
LM34 R-C Damper 5 6704 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5410 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4714 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6726 March 23, 2010
by ese
constant system reset 3 4609 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5388 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6470 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5708 March 17, 2010
by Frozenlock
What is -VS? 6 8786 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6519 March 04, 2010
by treymd
Using MCU to connect two wires 3 5604 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10424 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5043 March 02, 2010
by Solorbob
Deciphering power resistors 11 5432 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4807 March 01, 2010
by nrotstan
Understanding LEDs 16 8039 March 01, 2010
by michaeldallas
What's the part I need? 5 4916 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11966 February 23, 2010
by rajabalu21
Too much power? 14 5670 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6324 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6290 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13830 February 18, 2010
by Rick_S
Serial port interface circuit 2 5819 February 17, 2010
by mongo
OBDII project 3 4875 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8489 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7654 February 13, 2010
by BobaMosfet
Digital pots 5 5110 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5437 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6313 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7724 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7877 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5668 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7469 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11373 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6064 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5263 December 27, 2009
by jgauthier
Servo Signal Noise 2 4825 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8207 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11672 December 10, 2009
by georgio
Relays and transistors 12 9648 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9709 December 09, 2009
by Rick_S
IR Detector 7 9263 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5872 November 19, 2009
by mikedoug
Debug with lcd 6 5832 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5294 November 15, 2009
by tech20
Understanding output pin characteristics 4 5210 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7220 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5491 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49368 October 30, 2009
by BobaMosfet
DIY header unit 2 5663 October 10, 2009
by rusirius
Thermostat Logging 6 7335 October 09, 2009
by luke
Understanding transistors 6 6999 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10993 October 07, 2009
by mikedoug
Currant booster 3 4821 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5794 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13856 August 27, 2009
by hevans
Which LED? 14 5570 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6612 August 07, 2009
by mongo
pull up, pull down resistors 7 18030 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12038 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7857 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7252 July 07, 2009
by sector0
Reset switch for circuit 3 5473 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32124 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6612 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5371 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5537 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5998 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5348 May 06, 2009
by paulip

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