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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9071 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8408 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7128 April 12, 2016
by Ralphxyz
USBasp Help! 3 6032 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8326 May 04, 2015
by mongo
Need to replace Wall Watt 16 5535 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5169 April 10, 2015
by Noter
My new 3D Printer 44 20742 April 07, 2015
by Rick_S
AtMega 644 2 5177 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4231 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4923 June 02, 2014
by JKITSON
Automated programming mode? 9 5208 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4778 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4814 January 28, 2014
by lailai
What kind of error is this? 4 4582 January 23, 2014
by Noter
How to double a DC voltage? 20 12048 January 12, 2014
by JKITSON
Is the code the driver? 2 4491 January 12, 2014
by Ralphxyz
Miniature headers 6 4706 January 01, 2014
by Ralphxyz
BLDC 8 4807 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5405 November 26, 2013
by Rick_S
GLCD SPI problems 14 8677 November 10, 2013
by andyi
Moving on... 7 4597 November 08, 2013
by Pr0ject
Power supply questions 4 6182 October 31, 2013
by sask55
OLED 4 4370 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16482 September 22, 2013
by sask55
Opto Interrupter once again 14 9111 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4772 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11864 September 02, 2013
by Ralphxyz
USB cable specifications 7 6424 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5310 August 27, 2013
by Affarram
XMEGA Breakout 8 5679 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4326 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5002 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5039 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11817 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16456 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4340 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4944 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66528 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4130 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4698 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8884 March 14, 2013
by mongo
Current vs Voltage 8 5772 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5356 March 09, 2013
by lnino
Electric current 2 4110 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7061 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9986 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9635 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5199 February 24, 2013
by lnino
Relay Question 27 8483 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8171 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5651 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5483 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5282 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4847 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5575 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4868 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5691 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4208 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4263 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4778 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10385 November 18, 2012
by carlhako
SPI slave clock 6 4997 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4373 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31705 October 23, 2012
by Noter
NPN circuit connection quandry 4 4947 September 24, 2012
by edb
Simple I/O circuit 4 4607 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4364 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4118 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6964 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4598 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6995 September 13, 2012
by dan_engbers
Electronics simulation 8 5227 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7415 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4500 August 20, 2012
by rblalock
louder sound 2 4273 August 18, 2012
by mongo
connector or cable for LCD display? 4 4490 August 13, 2012
by missle3944
Powering L.E.Ds 5 4626 August 09, 2012
by BobaMosfet
Wires in U.K 5 5091 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5011 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8173 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7685 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5505 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23031 July 21, 2012
by lnino
um help 6 4082 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5138 July 18, 2012
by Ralphxyz
help me 11 5005 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4408 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5727 June 24, 2012
by Ralphxyz
HELP 3 4121 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15158 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4242 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6171 June 17, 2012
by RogerFL
Programmable current source 6 6253 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5760 June 11, 2012
by mongo
HELP 6 4463 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4874 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52728 May 24, 2012
by Ralphxyz
i need a code 8 4865 May 15, 2012
by pcbolt
Clock Accuracy 30 9545 May 14, 2012
by HexManiac
Relays and Controlling them 9 4850 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5108 May 09, 2012
by RogerFL
Powering your NerdKit 7 4689 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4715 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8000 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5103 April 24, 2012
by pcbolt
Programs will not run 6 4597 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5261 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4901 April 09, 2012
by Ralphxyz
Path Lights controller 2 4467 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4578 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5137 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4680 April 01, 2012
by JamesFysh
Question on LCD screen 5 4704 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4670 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6002 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5628 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9330 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4767 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6121 March 15, 2012
by mongo
Digital servo issues! 9 5318 March 15, 2012
by Rick_S
Brushless motor control 16 5649 March 12, 2012
by hevans
Windows not detecting device 3 4437 March 10, 2012
by hevans
Voltage throught MCU 5 4450 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20369 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12238 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21671 March 01, 2012
by hevans
Up and running... 3 4242 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4906 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5251 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4473 February 24, 2012
by Rick_S
programming lcd trubs 7 4593 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5265 February 18, 2012
by Rick_S
Oscilloscope 15 6566 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11096 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5697 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4883 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12221 February 09, 2012
by mongo
Data transmission 3 5422 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5234 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6814 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4759 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4260 January 31, 2012
by tchilzer2
H bridge questions 6 5061 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4813 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5235 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5445 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8573 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5106 January 15, 2012
by Rick_S
Source of power? 19 5259 January 13, 2012
by mongo
symbol defined please? 4 4898 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18333 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4813 January 06, 2012
by boxvic
Basic LED circuit properties 8 5038 January 06, 2012
by boxvic
Getting Started 3 4512 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5699 January 02, 2012
by bodangly
SMD reflow 16 5821 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4751 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5420 December 23, 2011
by BobaMosfet
Potentiometer 8 6431 December 23, 2011
by huzbum
Fun with Op-Amps 3 6642 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5722 December 19, 2011
by n1cl3
Odessy of the minds 5 4945 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4335 November 27, 2011
by sazD
Initial Load 2 4971 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5722 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6398 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5041 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10229 November 10, 2011
by jfbrink
Servo Squitter Project 13 4804 November 09, 2011
by Heed
how do i run a program 4 4354 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4602 November 07, 2011
by Heed
Motor control question 2 4401 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10154 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4671 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4562 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98061 October 24, 2011
by glendon
Measuring Capacitance 9 6097 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4694 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6456 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23456 October 16, 2011
by sask55
RxD / TxD Questions 10 8065 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4789 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4684 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4966 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4463 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14418 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6166 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24734 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13462 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4401 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8012 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14165 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9141 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5556 September 01, 2011
by BobaMosfet
Dim LED 3 4369 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4879 August 23, 2011
by Twarter369
Easy Transistor Question 4 5548 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7501 August 18, 2011
by Ralphxyz
Building a coil?? 12 7317 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4782 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4442 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4261 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4205 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24379 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5531 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4938 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4646 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4687 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7515 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4355 July 17, 2011
by codenamejupiterx
avr macpack 3 4727 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4722 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4832 July 13, 2011
by BobaMosfet
Battery clip wires 3 4261 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4160 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4450 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4702 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5162 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25542 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4672 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4895 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7041 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4977 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4980 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4847 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5501 June 06, 2011
by mja
A couple of questions 3 4591 June 06, 2011
by Ralphxyz
How much should I strip? 3 4638 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5129 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4539 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4855 May 29, 2011
by Rick_S
Digital Input Question 4 4605 May 28, 2011
by frankdwest
PCB arrived 20 4590 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5236 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24327 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5179 May 09, 2011
by Noter
IR current 6 4885 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5625 May 04, 2011
by hariharan
Heat sensors 21 5998 May 04, 2011
by Hexorg
error 1 2 4476 May 02, 2011
by hevans
Transistor vs mosfet 13 12803 May 01, 2011
by Noter
PCB trace width calculator 3 6038 April 24, 2011
by esoderberg
OLED display 10 5760 April 23, 2011
by Rick_S
Power Supplies 17 6314 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4395 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5108 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4565 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5594 April 19, 2011
by mongo
Connecting to external control voltages 4 4526 April 19, 2011
by bretm
IR current question 7 4653 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5446 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5641 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4892 April 10, 2011
by uml_12
Basic projects 3 4564 April 09, 2011
by mongo
REFLOW oven 22 7538 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14978 April 07, 2011
by bretm
unexpected MCU rebooting 82 9661 April 05, 2011
by sask55
REFLOW Soldering 3 5551 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4875 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7233 March 30, 2011
by bretm
Black Display on LCD 6 4833 March 28, 2011
by Druidman
32kHz clock 2 4488 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11828 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12426 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6707 March 16, 2011
by mongo
LCD problem 3 4881 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5514 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5583 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4588 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8339 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5561 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5474 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12537 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9311 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6167 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9639 February 19, 2011
by Lusitania
My first Impression 6 5017 February 16, 2011
by devinsbusiness
Understanding battery life 3 6350 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5894 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5545 February 05, 2011
by BobaMosfet
High voltage lines 26 7757 February 02, 2011
by mongo
USB 3 4538 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5631 February 02, 2011
by Jalex
Alternating LED circuit 4 5506 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6847 January 31, 2011
by il1019
Affordable oscilloscopes 43 15289 January 27, 2011
by BStory
"And"gate unfinished thought 2 4707 January 27, 2011
by Hexorg
replace MCU? 30 9841 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5282 January 25, 2011
by Ralphxyz
Multimeter! 12 7552 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6204 January 25, 2011
by Jalex
My LED Cube so far 25 10995 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5993 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5432 January 18, 2011
by dgikuljot
Counting 5 4671 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9310 January 17, 2011
by bretm
Programming 5 5538 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5725 January 11, 2011
by Yourself
Begining 7 5810 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6185 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5509 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4841 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5376 January 06, 2011
by Mujda
Data input voltage 6 5365 January 03, 2011
by Rick_S
MOSFET Question 7 5549 December 31, 2010
by Keyster
Transistor as a switch 5 5563 December 29, 2010
by Hexorg
Resistors 5 5932 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10883 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5778 December 28, 2010
by BobaMosfet
Relay ratings 2 5074 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20454 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4922 December 17, 2010
by mongo
Power Rectifier 7 7222 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7563 December 14, 2010
by danuke
This a decent oscilloscope? 8 5326 December 14, 2010
by danuke
Do resistors in series really add up? 8 6757 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6146 December 09, 2010
by bretm
L293 H-Bridge 15 6840 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7065 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7248 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6126 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6654 November 24, 2010
by BobaMosfet
Op-amp not working 6 6920 November 24, 2010
by BobaMosfet
Python questions 4 5874 November 21, 2010
by tkopriva
CE Amp design 5 5433 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5316 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5185 November 05, 2010
by Mujda
PC4 not working?! 8 5036 November 04, 2010
by hapshetsut
Amplifiers 4 4981 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5862 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5954 October 04, 2010
by Scythium
radio interference from NerdKit 11 5072 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9692 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5557 September 11, 2010
by akajester
QFP and dreadboard 2 5452 September 02, 2010
by bretm
Getting power to the spinning part... 5 5293 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13276 August 30, 2010
by Ralphxyz
morse code decoder 2 5401 August 26, 2010
by jonathan_m
Connecting to Computer 3 5389 August 25, 2010
by awesome
555 astable on breadboard 12 6903 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5012 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5509 August 19, 2010
by hevans
mosfet 3 4778 August 13, 2010
by hevans
Good material on learning electronics. 8 5790 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4666 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7428 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6610 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10059 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7074 July 02, 2010
by mongo
Electro Cardio Gram 4 5976 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4716 June 12, 2010
by Wobbler
Voltage Regulator 20 6451 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6001 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6669 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6300 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5507 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4731 June 06, 2010
by Kafke
TSSOP IC! 4 5510 June 03, 2010
by mrobbins
AVcc 2 5736 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4949 May 31, 2010
by hevans
Cable Driver 2 4625 May 31, 2010
by mongo
Best 9V adapter to use 2 5057 May 28, 2010
by mongo
Unidirectional microphones 5 5293 May 27, 2010
by mongo
Servo question 3 4800 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5470 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5326 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6992 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12014 May 21, 2010
by hevans
Chinese Solenoid 15 5326 May 10, 2010
by treymd
avrisp mkii circuit 4 6499 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4849 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10244 May 07, 2010
by rajabalu21
Simple Power Switch 6 4936 May 05, 2010
by avicell
I can haz speed! 3 5295 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6813 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5646 April 21, 2010
by bretm
Help with choosing the right resistor 10 6737 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11533 April 15, 2010
by bretm
Resistor 4 4650 April 15, 2010
by mongo
MCU digital input pins 3 4851 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5147 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11025 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7082 March 28, 2010
by carlhako
Laptop ground safety question 3 5152 March 27, 2010
by ese
LM34 R-C Damper 5 6763 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5456 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4754 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6782 March 23, 2010
by ese
constant system reset 3 4657 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5433 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6525 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5749 March 17, 2010
by Frozenlock
What is -VS? 6 8841 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6560 March 04, 2010
by treymd
Using MCU to connect two wires 3 5644 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10489 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5087 March 02, 2010
by Solorbob
Deciphering power resistors 11 5480 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4846 March 01, 2010
by nrotstan
Understanding LEDs 16 8083 March 01, 2010
by michaeldallas
What's the part I need? 5 4964 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12021 February 23, 2010
by rajabalu21
Too much power? 14 5716 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6372 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6342 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13903 February 18, 2010
by Rick_S
Serial port interface circuit 2 5862 February 17, 2010
by mongo
OBDII project 3 4922 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8539 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7702 February 13, 2010
by BobaMosfet
Digital pots 5 5165 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5479 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6361 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7771 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7923 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5713 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7527 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11422 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6115 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5306 December 27, 2009
by jgauthier
Servo Signal Noise 2 4868 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8250 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11730 December 10, 2009
by georgio
Relays and transistors 12 9700 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9760 December 09, 2009
by Rick_S
IR Detector 7 9318 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5917 November 19, 2009
by mikedoug
Debug with lcd 6 5881 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5335 November 15, 2009
by tech20
Understanding output pin characteristics 4 5260 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7270 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5542 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49464 October 30, 2009
by BobaMosfet
DIY header unit 2 5715 October 10, 2009
by rusirius
Thermostat Logging 6 7383 October 09, 2009
by luke
Understanding transistors 6 7043 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11033 October 07, 2009
by mikedoug
Currant booster 3 4878 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5840 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13913 August 27, 2009
by hevans
Which LED? 14 5618 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6663 August 07, 2009
by mongo
pull up, pull down resistors 7 18086 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12101 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7913 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7305 July 07, 2009
by sector0
Reset switch for circuit 3 5520 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32175 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6661 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5413 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5584 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6038 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5393 May 06, 2009
by paulip

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