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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8886 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8257 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6989 April 12, 2016
by Ralphxyz
USBasp Help! 3 5884 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8152 May 04, 2015
by mongo
Need to replace Wall Watt 16 5382 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5036 April 10, 2015
by Noter
My new 3D Printer 44 20616 April 07, 2015
by Rick_S
AtMega 644 2 5083 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4127 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4809 June 02, 2014
by JKITSON
Automated programming mode? 9 5090 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4661 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4700 January 28, 2014
by lailai
What kind of error is this? 4 4496 January 23, 2014
by Noter
How to double a DC voltage? 20 11905 January 12, 2014
by JKITSON
Is the code the driver? 2 4381 January 12, 2014
by Ralphxyz
Miniature headers 6 4600 January 01, 2014
by Ralphxyz
BLDC 8 4687 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5287 November 26, 2013
by Rick_S
GLCD SPI problems 14 8555 November 10, 2013
by andyi
Moving on... 7 4494 November 08, 2013
by Pr0ject
Power supply questions 4 6065 October 31, 2013
by sask55
OLED 4 4261 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16280 September 22, 2013
by sask55
Opto Interrupter once again 14 8952 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4675 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11694 September 02, 2013
by Ralphxyz
USB cable specifications 7 6230 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5199 August 27, 2013
by Affarram
XMEGA Breakout 8 5559 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4225 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4895 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4943 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11389 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16020 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4220 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4837 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66303 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4032 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4588 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8761 March 14, 2013
by mongo
Current vs Voltage 8 5660 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5241 March 09, 2013
by lnino
Electric current 2 4016 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6955 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9716 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9245 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5096 February 24, 2013
by lnino
Relay Question 27 8358 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8050 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5532 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5394 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5175 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4758 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5443 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4751 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5578 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4094 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4166 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4650 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10214 November 18, 2012
by carlhako
SPI slave clock 6 4887 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4271 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31204 October 23, 2012
by Noter
NPN circuit connection quandry 4 4848 September 24, 2012
by edb
Simple I/O circuit 4 4500 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4283 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4008 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6826 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4499 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6883 September 13, 2012
by dan_engbers
Electronics simulation 8 5134 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7286 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4407 August 20, 2012
by rblalock
louder sound 2 4175 August 18, 2012
by mongo
connector or cable for LCD display? 4 4396 August 13, 2012
by missle3944
Powering L.E.Ds 5 4524 August 09, 2012
by BobaMosfet
Wires in U.K 5 4996 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4904 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7913 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7561 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5363 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22896 July 21, 2012
by lnino
um help 6 3979 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5038 July 18, 2012
by Ralphxyz
help me 11 4897 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4284 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5607 June 24, 2012
by Ralphxyz
HELP 3 4039 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15023 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4142 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6071 June 17, 2012
by RogerFL
Programmable current source 6 6128 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5667 June 11, 2012
by mongo
HELP 6 4362 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4763 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52261 May 24, 2012
by Ralphxyz
i need a code 8 4767 May 15, 2012
by pcbolt
Clock Accuracy 30 9436 May 14, 2012
by HexManiac
Relays and Controlling them 9 4740 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5006 May 09, 2012
by RogerFL
Powering your NerdKit 7 4588 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4611 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7860 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5014 April 24, 2012
by pcbolt
Programs will not run 6 4505 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5142 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4799 April 09, 2012
by Ralphxyz
Path Lights controller 2 4369 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4481 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5027 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4579 April 01, 2012
by JamesFysh
Question on LCD screen 5 4583 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4551 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5879 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5490 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9219 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4665 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5952 March 15, 2012
by mongo
Digital servo issues! 9 5192 March 15, 2012
by Rick_S
Brushless motor control 16 5538 March 12, 2012
by hevans
Windows not detecting device 3 4334 March 10, 2012
by hevans
Voltage throught MCU 5 4340 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20228 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11978 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21308 March 01, 2012
by hevans
Up and running... 3 4128 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4793 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5147 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4378 February 24, 2012
by Rick_S
programming lcd trubs 7 4494 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5161 February 18, 2012
by Rick_S
Oscilloscope 15 6441 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10959 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5586 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4772 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11574 February 09, 2012
by mongo
Data transmission 3 5327 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5136 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6708 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4625 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4170 January 31, 2012
by tchilzer2
H bridge questions 6 4961 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4711 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5129 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5333 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8459 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4994 January 15, 2012
by Rick_S
Source of power? 19 5133 January 13, 2012
by mongo
symbol defined please? 4 4804 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18189 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4710 January 06, 2012
by boxvic
Basic LED circuit properties 8 4939 January 06, 2012
by boxvic
Getting Started 3 4406 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5593 January 02, 2012
by bodangly
SMD reflow 16 5705 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4662 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5325 December 23, 2011
by BobaMosfet
Potentiometer 8 6295 December 23, 2011
by huzbum
Fun with Op-Amps 3 6534 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5617 December 19, 2011
by n1cl3
Odessy of the minds 5 4853 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4233 November 27, 2011
by sazD
Initial Load 2 4889 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5609 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6293 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4952 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10129 November 10, 2011
by jfbrink
Servo Squitter Project 13 4694 November 09, 2011
by Heed
how do i run a program 4 4253 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4514 November 07, 2011
by Heed
Motor control question 2 4300 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10019 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4572 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4452 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96913 October 24, 2011
by glendon
Measuring Capacitance 9 5994 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4602 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6356 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23157 October 16, 2011
by sask55
RxD / TxD Questions 10 7857 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4685 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4580 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4869 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4370 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13927 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6069 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24556 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13290 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4314 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7892 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14023 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9000 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5444 September 01, 2011
by BobaMosfet
Dim LED 3 4270 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4783 August 23, 2011
by Twarter369
Easy Transistor Question 4 5431 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7200 August 18, 2011
by Ralphxyz
Building a coil?? 12 7198 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4689 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4333 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4174 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4103 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24256 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5438 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4844 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4554 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4602 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7390 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4255 July 17, 2011
by codenamejupiterx
avr macpack 3 4630 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4623 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4725 July 13, 2011
by BobaMosfet
Battery clip wires 3 4178 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4066 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4353 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4600 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5058 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25389 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4581 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4806 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6920 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4860 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4873 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4755 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5348 June 06, 2011
by mja
A couple of questions 3 4477 June 06, 2011
by Ralphxyz
How much should I strip? 3 4549 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5033 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4431 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4767 May 29, 2011
by Rick_S
Digital Input Question 4 4502 May 28, 2011
by frankdwest
PCB arrived 20 4485 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5129 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24166 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5087 May 09, 2011
by Noter
IR current 6 4780 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5507 May 04, 2011
by hariharan
Heat sensors 21 5882 May 04, 2011
by Hexorg
error 1 2 4380 May 02, 2011
by hevans
Transistor vs mosfet 13 12670 May 01, 2011
by Noter
PCB trace width calculator 3 5943 April 24, 2011
by esoderberg
OLED display 10 5662 April 23, 2011
by Rick_S
Power Supplies 17 6208 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4306 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5008 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4458 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5485 April 19, 2011
by mongo
Connecting to external control voltages 4 4428 April 19, 2011
by bretm
IR current question 7 4559 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5341 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5540 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4802 April 10, 2011
by uml_12
Basic projects 3 4475 April 09, 2011
by mongo
REFLOW oven 22 7434 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14800 April 07, 2011
by bretm
unexpected MCU rebooting 82 9485 April 05, 2011
by sask55
REFLOW Soldering 3 5428 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4773 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7118 March 30, 2011
by bretm
Black Display on LCD 6 4741 March 28, 2011
by Druidman
32kHz clock 2 4399 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11636 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12193 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6615 March 16, 2011
by mongo
LCD problem 3 4787 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5406 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5487 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4498 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8221 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5437 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5389 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12438 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9171 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6070 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9525 February 19, 2011
by Lusitania
My first Impression 6 4905 February 16, 2011
by devinsbusiness
Understanding battery life 3 6234 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5806 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5444 February 05, 2011
by BobaMosfet
High voltage lines 26 7639 February 02, 2011
by mongo
USB 3 4452 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5530 February 02, 2011
by Jalex
Alternating LED circuit 4 5405 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6741 January 31, 2011
by il1019
Affordable oscilloscopes 43 15049 January 27, 2011
by BStory
"And"gate unfinished thought 2 4608 January 27, 2011
by Hexorg
replace MCU? 30 9701 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5168 January 25, 2011
by Ralphxyz
Multimeter! 12 7460 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6109 January 25, 2011
by Jalex
My LED Cube so far 25 10878 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5892 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5333 January 18, 2011
by dgikuljot
Counting 5 4556 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9215 January 17, 2011
by bretm
Programming 5 5430 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5618 January 11, 2011
by Yourself
Begining 7 5702 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6085 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5412 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4733 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5265 January 06, 2011
by Mujda
Data input voltage 6 5271 January 03, 2011
by Rick_S
MOSFET Question 7 5415 December 31, 2010
by Keyster
Transistor as a switch 5 5459 December 29, 2010
by Hexorg
Resistors 5 5822 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10765 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5676 December 28, 2010
by BobaMosfet
Relay ratings 2 4984 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20331 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4815 December 17, 2010
by mongo
Power Rectifier 7 7110 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7448 December 14, 2010
by danuke
This a decent oscilloscope? 8 5227 December 14, 2010
by danuke
Do resistors in series really add up? 8 6651 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6046 December 09, 2010
by bretm
L293 H-Bridge 15 6737 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6951 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7113 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6018 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6542 November 24, 2010
by BobaMosfet
Op-amp not working 6 6815 November 24, 2010
by BobaMosfet
Python questions 4 5775 November 21, 2010
by tkopriva
CE Amp design 5 5321 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5219 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5083 November 05, 2010
by Mujda
PC4 not working?! 8 4937 November 04, 2010
by hapshetsut
Amplifiers 4 4886 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5753 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5841 October 04, 2010
by Scythium
radio interference from NerdKit 11 4975 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9602 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5446 September 11, 2010
by akajester
QFP and dreadboard 2 5349 September 02, 2010
by bretm
Getting power to the spinning part... 5 5206 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13162 August 30, 2010
by Ralphxyz
morse code decoder 2 5318 August 26, 2010
by jonathan_m
Connecting to Computer 3 5305 August 25, 2010
by awesome
555 astable on breadboard 12 6812 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4927 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5421 August 19, 2010
by hevans
mosfet 3 4684 August 13, 2010
by hevans
Good material on learning electronics. 8 5688 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4570 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7291 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6514 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9911 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6991 July 02, 2010
by mongo
Electro Cardio Gram 4 5866 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4629 June 12, 2010
by Wobbler
Voltage Regulator 20 6350 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5904 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6567 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6214 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5410 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4636 June 06, 2010
by Kafke
TSSOP IC! 4 5417 June 03, 2010
by mrobbins
AVcc 2 5649 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4847 May 31, 2010
by hevans
Cable Driver 2 4532 May 31, 2010
by mongo
Best 9V adapter to use 2 4967 May 28, 2010
by mongo
Unidirectional microphones 5 5214 May 27, 2010
by mongo
Servo question 3 4686 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5375 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5229 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6904 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11870 May 21, 2010
by hevans
Chinese Solenoid 15 5209 May 10, 2010
by treymd
avrisp mkii circuit 4 6412 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4752 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10112 May 07, 2010
by rajabalu21
Simple Power Switch 6 4839 May 05, 2010
by avicell
I can haz speed! 3 5194 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6698 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5537 April 21, 2010
by bretm
Help with choosing the right resistor 10 6640 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11398 April 15, 2010
by bretm
Resistor 4 4547 April 15, 2010
by mongo
MCU digital input pins 3 4751 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5034 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10927 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6990 March 28, 2010
by carlhako
Laptop ground safety question 3 5069 March 27, 2010
by ese
LM34 R-C Damper 5 6646 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5364 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4670 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6681 March 23, 2010
by ese
constant system reset 3 4558 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5333 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6419 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5661 March 17, 2010
by Frozenlock
What is -VS? 6 8732 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6472 March 04, 2010
by treymd
Using MCU to connect two wires 3 5557 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10351 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4989 March 02, 2010
by Solorbob
Deciphering power resistors 11 5380 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4761 March 01, 2010
by nrotstan
Understanding LEDs 16 7976 March 01, 2010
by michaeldallas
What's the part I need? 5 4868 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11912 February 23, 2010
by rajabalu21
Too much power? 14 5619 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6282 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6229 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13768 February 18, 2010
by Rick_S
Serial port interface circuit 2 5768 February 17, 2010
by mongo
OBDII project 3 4832 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8446 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7592 February 13, 2010
by BobaMosfet
Digital pots 5 5055 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5384 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6263 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7666 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7809 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5624 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7407 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11233 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6004 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5213 December 27, 2009
by jgauthier
Servo Signal Noise 2 4771 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8154 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11607 December 10, 2009
by georgio
Relays and transistors 12 9597 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9664 December 09, 2009
by Rick_S
IR Detector 7 9196 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5827 November 19, 2009
by mikedoug
Debug with lcd 6 5786 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5259 November 15, 2009
by tech20
Understanding output pin characteristics 4 5162 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7167 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5433 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49117 October 30, 2009
by BobaMosfet
DIY header unit 2 5611 October 10, 2009
by rusirius
Thermostat Logging 6 7274 October 09, 2009
by luke
Understanding transistors 6 6957 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10938 October 07, 2009
by mikedoug
Currant booster 3 4769 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5753 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13803 August 27, 2009
by hevans
Which LED? 14 5521 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6556 August 07, 2009
by mongo
pull up, pull down resistors 7 17979 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11962 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7804 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7194 July 07, 2009
by sector0
Reset switch for circuit 3 5432 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32061 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6564 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5326 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5483 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5953 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5298 May 06, 2009
by paulip

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