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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9083 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8414 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7135 April 12, 2016
by Ralphxyz
USBasp Help! 3 6037 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8333 May 04, 2015
by mongo
Need to replace Wall Watt 16 5539 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5172 April 10, 2015
by Noter
My new 3D Printer 44 20745 April 07, 2015
by Rick_S
AtMega 644 2 5182 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4232 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4931 June 02, 2014
by JKITSON
Automated programming mode? 9 5211 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4781 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4819 January 28, 2014
by lailai
What kind of error is this? 4 4585 January 23, 2014
by Noter
How to double a DC voltage? 20 12055 January 12, 2014
by JKITSON
Is the code the driver? 2 4496 January 12, 2014
by Ralphxyz
Miniature headers 6 4708 January 01, 2014
by Ralphxyz
BLDC 8 4814 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5410 November 26, 2013
by Rick_S
GLCD SPI problems 14 8707 November 10, 2013
by andyi
Moving on... 7 4603 November 08, 2013
by Pr0ject
Power supply questions 4 6186 October 31, 2013
by sask55
OLED 4 4373 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16490 September 22, 2013
by sask55
Opto Interrupter once again 14 9112 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4775 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11871 September 02, 2013
by Ralphxyz
USB cable specifications 7 6431 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5313 August 27, 2013
by Affarram
XMEGA Breakout 8 5684 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4328 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5004 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5043 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11838 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16486 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4342 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4949 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66547 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4137 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4703 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8897 March 14, 2013
by mongo
Current vs Voltage 8 5779 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5358 March 09, 2013
by lnino
Electric current 2 4113 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7065 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9996 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9669 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5204 February 24, 2013
by lnino
Relay Question 27 8487 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8177 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5655 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5486 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5286 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4850 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5579 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4871 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5691 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4214 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4266 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4785 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10415 November 18, 2012
by carlhako
SPI slave clock 6 5000 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4375 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31716 October 23, 2012
by Noter
NPN circuit connection quandry 4 4951 September 24, 2012
by edb
Simple I/O circuit 4 4608 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4369 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4123 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6970 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4603 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6998 September 13, 2012
by dan_engbers
Electronics simulation 8 5229 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7418 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4504 August 20, 2012
by rblalock
louder sound 2 4275 August 18, 2012
by mongo
connector or cable for LCD display? 4 4494 August 13, 2012
by missle3944
Powering L.E.Ds 5 4628 August 09, 2012
by BobaMosfet
Wires in U.K 5 5095 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5012 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8182 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7686 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5514 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23037 July 21, 2012
by lnino
um help 6 4085 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5140 July 18, 2012
by Ralphxyz
help me 11 5007 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4409 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 4123 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15167 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4249 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6173 June 17, 2012
by RogerFL
Programmable current source 6 6256 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5761 June 11, 2012
by mongo
HELP 6 4465 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4880 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52764 May 24, 2012
by Ralphxyz
i need a code 8 4869 May 15, 2012
by pcbolt
Clock Accuracy 30 9549 May 14, 2012
by HexManiac
Relays and Controlling them 9 4851 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5109 May 09, 2012
by RogerFL
Powering your NerdKit 7 4690 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4719 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 8007 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5106 April 24, 2012
by pcbolt
Programs will not run 6 4601 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5265 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4905 April 09, 2012
by Ralphxyz
Path Lights controller 2 4472 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4580 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5142 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4682 April 01, 2012
by JamesFysh
Question on LCD screen 5 4708 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4674 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 6008 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5633 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9335 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4771 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6133 March 15, 2012
by mongo
Digital servo issues! 9 5321 March 15, 2012
by Rick_S
Brushless motor control 16 5651 March 12, 2012
by hevans
Windows not detecting device 3 4440 March 10, 2012
by hevans
Voltage throught MCU 5 4455 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20376 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12244 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21688 March 01, 2012
by hevans
Up and running... 3 4244 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4909 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5256 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4474 February 24, 2012
by Rick_S
programming lcd trubs 7 4600 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5267 February 18, 2012
by Rick_S
Oscilloscope 15 6572 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11105 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5701 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4887 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12230 February 09, 2012
by mongo
Data transmission 3 5426 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5237 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6817 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4762 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4263 January 31, 2012
by tchilzer2
H bridge questions 6 5064 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4816 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5239 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5446 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8577 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5110 January 15, 2012
by Rick_S
Source of power? 19 5266 January 13, 2012
by mongo
symbol defined please? 4 4900 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18339 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4815 January 06, 2012
by boxvic
Basic LED circuit properties 8 5042 January 06, 2012
by boxvic
Getting Started 3 4513 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5702 January 02, 2012
by bodangly
SMD reflow 16 5825 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4754 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5426 December 23, 2011
by BobaMosfet
Potentiometer 8 6436 December 23, 2011
by huzbum
Fun with Op-Amps 3 6646 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5727 December 19, 2011
by n1cl3
Odessy of the minds 5 4949 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4338 November 27, 2011
by sazD
Initial Load 2 4973 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5726 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6400 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 10235 November 10, 2011
by jfbrink
Servo Squitter Project 13 4805 November 09, 2011
by Heed
how do i run a program 4 4360 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4605 November 07, 2011
by Heed
Motor control question 2 4405 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10157 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4675 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4566 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98096 October 24, 2011
by glendon
Measuring Capacitance 9 6100 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4697 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6459 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23471 October 16, 2011
by sask55
RxD / TxD Questions 10 8072 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4796 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4687 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4972 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4467 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14451 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6170 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24740 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13468 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4402 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8014 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14171 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9150 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5561 September 01, 2011
by BobaMosfet
Dim LED 3 4372 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4880 August 23, 2011
by Twarter369
Easy Transistor Question 4 5552 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7505 August 18, 2011
by Ralphxyz
Building a coil?? 12 7320 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4786 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4447 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4266 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4209 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24383 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 4939 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4649 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4690 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7520 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4357 July 17, 2011
by codenamejupiterx
avr macpack 3 4729 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4724 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4836 July 13, 2011
by BobaMosfet
Battery clip wires 3 4263 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4162 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4453 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4705 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5167 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25544 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4673 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4899 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7046 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4981 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4982 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4851 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5509 June 06, 2011
by mja
A couple of questions 3 4593 June 06, 2011
by Ralphxyz
How much should I strip? 3 4641 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5133 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4541 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4857 May 29, 2011
by Rick_S
Digital Input Question 4 4610 May 28, 2011
by frankdwest
PCB arrived 20 4591 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5241 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24337 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5183 May 09, 2011
by Noter
IR current 6 4890 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5651 May 04, 2011
by hariharan
Heat sensors 21 6006 May 04, 2011
by Hexorg
error 1 2 4479 May 02, 2011
by hevans
Transistor vs mosfet 13 12806 May 01, 2011
by Noter
PCB trace width calculator 3 6041 April 24, 2011
by esoderberg
OLED display 10 5765 April 23, 2011
by Rick_S
Power Supplies 17 6317 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4399 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5112 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4572 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5599 April 19, 2011
by mongo
Connecting to external control voltages 4 4532 April 19, 2011
by bretm
IR current question 7 4655 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5448 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5644 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4894 April 10, 2011
by uml_12
Basic projects 3 4567 April 09, 2011
by mongo
REFLOW oven 22 7544 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 15001 April 07, 2011
by bretm
unexpected MCU rebooting 82 9668 April 05, 2011
by sask55
REFLOW Soldering 3 5556 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4879 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7239 March 30, 2011
by bretm
Black Display on LCD 6 4836 March 28, 2011
by Druidman
32kHz clock 2 4493 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11837 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12432 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6710 March 16, 2011
by mongo
LCD problem 3 4888 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5520 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5588 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4589 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8343 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5567 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5477 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12539 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9315 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6174 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9666 February 19, 2011
by Lusitania
My first Impression 6 5019 February 16, 2011
by devinsbusiness
Understanding battery life 3 6353 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5898 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5549 February 05, 2011
by BobaMosfet
High voltage lines 26 7767 February 02, 2011
by mongo
USB 3 4541 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5634 February 02, 2011
by Jalex
Alternating LED circuit 4 5509 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6853 January 31, 2011
by il1019
Affordable oscilloscopes 43 15296 January 27, 2011
by BStory
"And"gate unfinished thought 2 4708 January 27, 2011
by Hexorg
replace MCU? 30 9848 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5286 January 25, 2011
by Ralphxyz
Multimeter! 12 7557 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6207 January 25, 2011
by Jalex
My LED Cube so far 25 10997 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5995 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5437 January 18, 2011
by dgikuljot
Counting 5 4675 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9313 January 17, 2011
by bretm
Programming 5 5540 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5727 January 11, 2011
by Yourself
Begining 7 5813 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6188 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5511 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4844 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5380 January 06, 2011
by Mujda
Data input voltage 6 5366 January 03, 2011
by Rick_S
MOSFET Question 7 5552 December 31, 2010
by Keyster
Transistor as a switch 5 5569 December 29, 2010
by Hexorg
Resistors 5 5933 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10886 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5781 December 28, 2010
by BobaMosfet
Relay ratings 2 5079 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20459 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4927 December 17, 2010
by mongo
Power Rectifier 7 7224 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7566 December 14, 2010
by danuke
This a decent oscilloscope? 8 5329 December 14, 2010
by danuke
Do resistors in series really add up? 8 6760 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6151 December 09, 2010
by bretm
L293 H-Bridge 15 6844 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7068 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7251 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6130 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6658 November 24, 2010
by BobaMosfet
Op-amp not working 6 6923 November 24, 2010
by BobaMosfet
Python questions 4 5881 November 21, 2010
by tkopriva
CE Amp design 5 5437 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5318 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5186 November 05, 2010
by Mujda
PC4 not working?! 8 5041 November 04, 2010
by hapshetsut
Amplifiers 4 4984 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5864 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5958 October 04, 2010
by Scythium
radio interference from NerdKit 11 5076 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9694 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5563 September 11, 2010
by akajester
QFP and dreadboard 2 5456 September 02, 2010
by bretm
Getting power to the spinning part... 5 5297 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13280 August 30, 2010
by Ralphxyz
morse code decoder 2 5404 August 26, 2010
by jonathan_m
Connecting to Computer 3 5392 August 25, 2010
by awesome
555 astable on breadboard 12 6909 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5015 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5513 August 19, 2010
by hevans
mosfet 3 4783 August 13, 2010
by hevans
Good material on learning electronics. 8 5794 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4672 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7433 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6620 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10078 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7078 July 02, 2010
by mongo
Electro Cardio Gram 4 5979 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4720 June 12, 2010
by Wobbler
Voltage Regulator 20 6457 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 6004 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6674 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6303 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5514 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4733 June 06, 2010
by Kafke
TSSOP IC! 4 5514 June 03, 2010
by mrobbins
AVcc 2 5739 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4953 May 31, 2010
by hevans
Cable Driver 2 4628 May 31, 2010
by mongo
Best 9V adapter to use 2 5058 May 28, 2010
by mongo
Unidirectional microphones 5 5300 May 27, 2010
by mongo
Servo question 3 4804 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5475 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5329 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6994 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12019 May 21, 2010
by hevans
Chinese Solenoid 15 5329 May 10, 2010
by treymd
avrisp mkii circuit 4 6502 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4852 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10248 May 07, 2010
by rajabalu21
Simple Power Switch 6 4940 May 05, 2010
by avicell
I can haz speed! 3 5297 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6817 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5653 April 21, 2010
by bretm
Help with choosing the right resistor 10 6740 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11543 April 15, 2010
by bretm
Resistor 4 4658 April 15, 2010
by mongo
MCU digital input pins 3 4856 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5152 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11032 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7085 March 28, 2010
by carlhako
Laptop ground safety question 3 5155 March 27, 2010
by ese
LM34 R-C Damper 5 6769 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5460 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4755 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6784 March 23, 2010
by ese
constant system reset 3 4662 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5439 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6533 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5755 March 17, 2010
by Frozenlock
What is -VS? 6 8849 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6563 March 04, 2010
by treymd
Using MCU to connect two wires 3 5648 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10494 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5092 March 02, 2010
by Solorbob
Deciphering power resistors 11 5482 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4848 March 01, 2010
by nrotstan
Understanding LEDs 16 8103 March 01, 2010
by michaeldallas
What's the part I need? 5 4967 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12026 February 23, 2010
by rajabalu21
Too much power? 14 5722 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6375 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6346 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13913 February 18, 2010
by Rick_S
Serial port interface circuit 2 5866 February 17, 2010
by mongo
OBDII project 3 4925 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8548 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7707 February 13, 2010
by BobaMosfet
Digital pots 5 5169 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5487 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6363 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7775 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7926 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5716 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7531 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11442 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6120 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5309 December 27, 2009
by jgauthier
Servo Signal Noise 2 4873 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8253 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11733 December 10, 2009
by georgio
Relays and transistors 12 9706 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9767 December 09, 2009
by Rick_S
IR Detector 7 9326 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5920 November 19, 2009
by mikedoug
Debug with lcd 6 5884 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5337 November 15, 2009
by tech20
Understanding output pin characteristics 4 5264 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7273 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5545 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49493 October 30, 2009
by BobaMosfet
DIY header unit 2 5718 October 10, 2009
by rusirius
Thermostat Logging 6 7384 October 09, 2009
by luke
Understanding transistors 6 7046 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11035 October 07, 2009
by mikedoug
Currant booster 3 4882 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5846 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13920 August 27, 2009
by hevans
Which LED? 14 5629 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6666 August 07, 2009
by mongo
pull up, pull down resistors 7 18087 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12107 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7917 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7310 July 07, 2009
by sector0
Reset switch for circuit 3 5525 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32183 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6666 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5417 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5587 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6041 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5394 May 06, 2009
by paulip

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