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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8635 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8058 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6806 April 12, 2016
by Ralphxyz
USBasp Help! 3 5716 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7925 May 04, 2015
by mongo
Need to replace Wall Watt 16 5220 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4892 April 10, 2015
by Noter
My new 3D Printer 44 20453 April 07, 2015
by Rick_S
AtMega 644 2 4977 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4027 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4649 June 02, 2014
by JKITSON
Automated programming mode? 9 4943 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4538 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4528 January 28, 2014
by lailai
What kind of error is this? 4 4399 January 23, 2014
by Noter
How to double a DC voltage? 20 11732 January 12, 2014
by JKITSON
Is the code the driver? 2 4223 January 12, 2014
by Ralphxyz
Miniature headers 6 4500 January 01, 2014
by Ralphxyz
BLDC 8 4549 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5111 November 26, 2013
by Rick_S
GLCD SPI problems 14 8404 November 10, 2013
by andyi
Moving on... 7 4373 November 08, 2013
by Pr0ject
Power supply questions 4 5878 October 31, 2013
by sask55
OLED 4 4117 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16019 September 22, 2013
by sask55
Opto Interrupter once again 14 8749 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4562 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11475 September 02, 2013
by Ralphxyz
USB cable specifications 7 5973 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5001 August 27, 2013
by Affarram
XMEGA Breakout 8 5397 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4109 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4777 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4811 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11002 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15643 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4088 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4711 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65887 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3919 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4420 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8580 March 14, 2013
by mongo
Current vs Voltage 8 5513 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5128 March 09, 2013
by lnino
Electric current 2 3909 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6848 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9521 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8948 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4953 February 24, 2013
by lnino
Relay Question 27 8199 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7867 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5388 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5293 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5033 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4640 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5253 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4602 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5452 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3980 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4069 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4557 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9943 November 18, 2012
by carlhako
SPI slave clock 6 4754 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4165 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30755 October 23, 2012
by Noter
NPN circuit connection quandry 4 4733 September 24, 2012
by edb
Simple I/O circuit 4 4386 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4178 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3838 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6587 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4395 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6760 September 13, 2012
by dan_engbers
Electronics simulation 8 5037 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7137 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4301 August 20, 2012
by rblalock
louder sound 2 4072 August 18, 2012
by mongo
connector or cable for LCD display? 4 4296 August 13, 2012
by missle3944
Powering L.E.Ds 5 4413 August 09, 2012
by BobaMosfet
Wires in U.K 5 4892 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4796 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7723 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7429 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5202 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22700 July 21, 2012
by lnino
um help 6 3885 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4915 July 18, 2012
by Ralphxyz
help me 11 4774 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4175 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5456 June 24, 2012
by Ralphxyz
HELP 3 3929 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14828 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4038 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5961 June 17, 2012
by RogerFL
Programmable current source 6 5911 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5545 June 11, 2012
by mongo
HELP 6 4249 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4630 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50341 May 24, 2012
by Ralphxyz
i need a code 8 4651 May 15, 2012
by pcbolt
Clock Accuracy 30 9296 May 14, 2012
by HexManiac
Relays and Controlling them 9 4615 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4891 May 09, 2012
by RogerFL
Powering your NerdKit 7 4470 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4496 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7692 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4915 April 24, 2012
by pcbolt
Programs will not run 6 4382 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5005 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4687 April 09, 2012
by Ralphxyz
Path Lights controller 2 4249 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4375 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4887 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4469 April 01, 2012
by JamesFysh
Question on LCD screen 5 4479 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4420 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5715 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5352 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9049 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4557 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5714 March 15, 2012
by mongo
Digital servo issues! 9 5062 March 15, 2012
by Rick_S
Brushless motor control 16 5412 March 12, 2012
by hevans
Windows not detecting device 3 4209 March 10, 2012
by hevans
Voltage throught MCU 5 4224 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20000 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11762 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20893 March 01, 2012
by hevans
Up and running... 3 4011 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4675 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5032 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4258 February 24, 2012
by Rick_S
programming lcd trubs 7 4311 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5036 February 18, 2012
by Rick_S
Oscilloscope 15 6308 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10764 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5472 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4655 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11203 February 09, 2012
by mongo
Data transmission 3 5219 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5020 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6586 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4507 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4074 January 31, 2012
by tchilzer2
H bridge questions 6 4845 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4583 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4981 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5194 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8316 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4855 January 15, 2012
by Rick_S
Source of power? 19 4981 January 13, 2012
by mongo
symbol defined please? 4 4705 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17873 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4593 January 06, 2012
by boxvic
Basic LED circuit properties 8 4814 January 06, 2012
by boxvic
Getting Started 3 4298 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5485 January 02, 2012
by bodangly
SMD reflow 16 5579 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4550 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5229 December 23, 2011
by BobaMosfet
Potentiometer 8 6136 December 23, 2011
by huzbum
Fun with Op-Amps 3 6390 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5464 December 19, 2011
by n1cl3
Odessy of the minds 5 4749 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4118 November 27, 2011
by sazD
Initial Load 2 4785 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5472 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6166 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4838 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9956 November 10, 2011
by jfbrink
Servo Squitter Project 13 4577 November 09, 2011
by Heed
how do i run a program 4 4161 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4408 November 07, 2011
by Heed
Motor control question 2 4208 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9797 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4450 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4344 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96128 October 24, 2011
by glendon
Measuring Capacitance 9 5873 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4504 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6233 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22709 October 16, 2011
by sask55
RxD / TxD Questions 10 7644 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4579 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4475 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4767 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4277 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13499 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5936 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24332 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12976 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4211 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7758 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13709 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8868 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5315 September 01, 2011
by BobaMosfet
Dim LED 3 4147 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4676 August 23, 2011
by Twarter369
Easy Transistor Question 4 5299 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7022 August 18, 2011
by Ralphxyz
Building a coil?? 12 7059 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4581 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4228 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4056 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4005 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24040 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5330 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4744 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4453 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4496 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7268 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4152 July 17, 2011
by codenamejupiterx
avr macpack 3 4524 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4501 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4581 July 13, 2011
by BobaMosfet
Battery clip wires 3 4092 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3955 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4256 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4488 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4892 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25169 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4464 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4691 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6777 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4728 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4747 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4666 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5200 June 06, 2011
by mja
A couple of questions 3 4372 June 06, 2011
by Ralphxyz
How much should I strip? 3 4437 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4928 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4305 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4642 May 29, 2011
by Rick_S
Digital Input Question 4 4386 May 28, 2011
by frankdwest
PCB arrived 20 4378 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5026 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23925 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4971 May 09, 2011
by Noter
IR current 6 4687 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5391 May 04, 2011
by hariharan
Heat sensors 21 5762 May 04, 2011
by Hexorg
error 1 2 4223 May 02, 2011
by hevans
Transistor vs mosfet 13 12475 May 01, 2011
by Noter
PCB trace width calculator 3 5839 April 24, 2011
by esoderberg
OLED display 10 5530 April 23, 2011
by Rick_S
Power Supplies 17 6100 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4207 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4920 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4345 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5373 April 19, 2011
by mongo
Connecting to external control voltages 4 4331 April 19, 2011
by bretm
IR current question 7 4446 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5232 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5411 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4700 April 10, 2011
by uml_12
Basic projects 3 4366 April 09, 2011
by mongo
REFLOW oven 22 7307 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14558 April 07, 2011
by bretm
unexpected MCU rebooting 82 9313 April 05, 2011
by sask55
REFLOW Soldering 3 5286 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4673 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6994 March 30, 2011
by bretm
Black Display on LCD 6 4645 March 28, 2011
by Druidman
32kHz clock 2 4288 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11431 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11885 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6478 March 16, 2011
by mongo
LCD problem 3 4692 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5281 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5390 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4395 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8043 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5317 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5269 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12318 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8972 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5940 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9402 February 19, 2011
by Lusitania
My first Impression 6 4785 February 16, 2011
by devinsbusiness
Understanding battery life 3 6061 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5688 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5315 February 05, 2011
by BobaMosfet
High voltage lines 26 7478 February 02, 2011
by mongo
USB 3 4356 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5399 February 02, 2011
by Jalex
Alternating LED circuit 4 5294 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6623 January 31, 2011
by il1019
Affordable oscilloscopes 43 14660 January 27, 2011
by BStory
"And"gate unfinished thought 2 4480 January 27, 2011
by Hexorg
replace MCU? 30 9501 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5047 January 25, 2011
by Ralphxyz
Multimeter! 12 7337 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5981 January 25, 2011
by Jalex
My LED Cube so far 25 10764 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5806 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5225 January 18, 2011
by dgikuljot
Counting 5 4430 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9069 January 17, 2011
by bretm
Programming 5 5286 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5507 January 11, 2011
by Yourself
Begining 7 5577 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5965 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5306 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4608 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5147 January 06, 2011
by Mujda
Data input voltage 6 5139 January 03, 2011
by Rick_S
MOSFET Question 7 5298 December 31, 2010
by Keyster
Transistor as a switch 5 5328 December 29, 2010
by Hexorg
Resistors 5 5686 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10554 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5538 December 28, 2010
by BobaMosfet
Relay ratings 2 4867 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20158 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4712 December 17, 2010
by mongo
Power Rectifier 7 6270 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7290 December 14, 2010
by danuke
This a decent oscilloscope? 8 5107 December 14, 2010
by danuke
Do resistors in series really add up? 8 6498 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5917 December 09, 2010
by bretm
L293 H-Bridge 15 6591 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6791 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6963 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5897 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6398 November 24, 2010
by BobaMosfet
Op-amp not working 6 6700 November 24, 2010
by BobaMosfet
Python questions 4 5668 November 21, 2010
by tkopriva
CE Amp design 5 5170 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5108 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4946 November 05, 2010
by Mujda
PC4 not working?! 8 4812 November 04, 2010
by hapshetsut
Amplifiers 4 4783 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5635 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5726 October 04, 2010
by Scythium
radio interference from NerdKit 11 4825 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9467 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5338 September 11, 2010
by akajester
QFP and dreadboard 2 5234 September 02, 2010
by bretm
Getting power to the spinning part... 5 5109 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12998 August 30, 2010
by Ralphxyz
morse code decoder 2 5222 August 26, 2010
by jonathan_m
Connecting to Computer 3 5187 August 25, 2010
by awesome
555 astable on breadboard 12 6711 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4810 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5325 August 19, 2010
by hevans
mosfet 3 4586 August 13, 2010
by hevans
Good material on learning electronics. 8 5577 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4464 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7111 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6395 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9702 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6871 July 02, 2010
by mongo
Electro Cardio Gram 4 5723 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4521 June 12, 2010
by Wobbler
Voltage Regulator 20 6236 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5771 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6432 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6101 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5289 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4531 June 06, 2010
by Kafke
TSSOP IC! 4 5298 June 03, 2010
by mrobbins
AVcc 2 5538 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4740 May 31, 2010
by hevans
Cable Driver 2 4414 May 31, 2010
by mongo
Best 9V adapter to use 2 4856 May 28, 2010
by mongo
Unidirectional microphones 5 5092 May 27, 2010
by mongo
Servo question 3 4572 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5274 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5115 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6787 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11631 May 21, 2010
by hevans
Chinese Solenoid 15 5072 May 10, 2010
by treymd
avrisp mkii circuit 4 6314 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4644 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9920 May 07, 2010
by rajabalu21
Simple Power Switch 6 4738 May 05, 2010
by avicell
I can haz speed! 3 5079 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6578 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5417 April 21, 2010
by bretm
Help with choosing the right resistor 10 6520 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11120 April 15, 2010
by bretm
Resistor 4 4444 April 15, 2010
by mongo
MCU digital input pins 3 4627 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4936 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10804 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6886 March 28, 2010
by carlhako
Laptop ground safety question 3 4965 March 27, 2010
by ese
LM34 R-C Damper 5 6539 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5259 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4518 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6570 March 23, 2010
by ese
constant system reset 3 4451 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5219 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6269 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5559 March 17, 2010
by Frozenlock
What is -VS? 6 8608 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6379 March 04, 2010
by treymd
Using MCU to connect two wires 3 5450 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10056 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4876 March 02, 2010
by Solorbob
Deciphering power resistors 11 5248 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4642 March 01, 2010
by nrotstan
Understanding LEDs 16 7805 March 01, 2010
by michaeldallas
What's the part I need? 5 4760 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11772 February 23, 2010
by rajabalu21
Too much power? 14 5493 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6172 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6098 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13513 February 18, 2010
by Rick_S
Serial port interface circuit 2 5654 February 17, 2010
by mongo
OBDII project 3 4723 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8268 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7448 February 13, 2010
by BobaMosfet
Digital pots 5 4962 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5264 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6103 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7516 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7670 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5535 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7247 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11050 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5874 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5115 December 27, 2009
by jgauthier
Servo Signal Noise 2 4677 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8012 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11457 December 10, 2009
by georgio
Relays and transistors 12 9471 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9519 December 09, 2009
by Rick_S
IR Detector 7 8987 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5716 November 19, 2009
by mikedoug
Debug with lcd 6 5667 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5159 November 15, 2009
by tech20
Understanding output pin characteristics 4 5035 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6976 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5313 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48771 October 30, 2009
by BobaMosfet
DIY header unit 2 5515 October 10, 2009
by rusirius
Thermostat Logging 6 7140 October 09, 2009
by luke
Understanding transistors 6 6849 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10808 October 07, 2009
by mikedoug
Currant booster 3 4664 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5651 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13629 August 27, 2009
by hevans
Which LED? 14 5401 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6429 August 07, 2009
by mongo
pull up, pull down resistors 7 17824 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11745 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7682 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7075 July 07, 2009
by sector0
Reset switch for circuit 3 5328 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31949 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6440 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5214 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5345 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5844 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5178 May 06, 2009
by paulip

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