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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8735 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8146 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6886 April 12, 2016
by Ralphxyz
USBasp Help! 3 5787 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8006 May 04, 2015
by mongo
Need to replace Wall Watt 16 5300 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4955 April 10, 2015
by Noter
My new 3D Printer 44 20523 April 07, 2015
by Rick_S
AtMega 644 2 5023 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4070 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4729 June 02, 2014
by JKITSON
Automated programming mode? 9 5020 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4594 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4613 January 28, 2014
by lailai
What kind of error is this? 4 4441 January 23, 2014
by Noter
How to double a DC voltage? 20 11811 January 12, 2014
by JKITSON
Is the code the driver? 2 4295 January 12, 2014
by Ralphxyz
Miniature headers 6 4541 January 01, 2014
by Ralphxyz
BLDC 8 4615 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5192 November 26, 2013
by Rick_S
GLCD SPI problems 14 8467 November 10, 2013
by andyi
Moving on... 7 4429 November 08, 2013
by Pr0ject
Power supply questions 4 5972 October 31, 2013
by sask55
OLED 4 4187 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16148 September 22, 2013
by sask55
Opto Interrupter once again 14 8841 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4607 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11570 September 02, 2013
by Ralphxyz
USB cable specifications 7 6095 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5099 August 27, 2013
by Affarram
XMEGA Breakout 8 5466 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4160 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4831 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4868 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11132 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15772 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4142 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4767 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66068 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3963 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4494 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8663 March 14, 2013
by mongo
Current vs Voltage 8 5587 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5179 March 09, 2013
by lnino
Electric current 2 3956 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6898 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9616 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9081 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5024 February 24, 2013
by lnino
Relay Question 27 8280 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7946 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5454 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5335 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5105 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4706 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5325 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4680 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5511 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4021 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4117 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4598 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10026 November 18, 2012
by carlhako
SPI slave clock 6 4815 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4215 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30964 October 23, 2012
by Noter
NPN circuit connection quandry 4 4789 September 24, 2012
by edb
Simple I/O circuit 4 4436 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4222 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3916 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6701 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4443 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6816 September 13, 2012
by dan_engbers
Electronics simulation 8 5081 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7197 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4341 August 20, 2012
by rblalock
louder sound 2 4121 August 18, 2012
by mongo
connector or cable for LCD display? 4 4333 August 13, 2012
by missle3944
Powering L.E.Ds 5 4464 August 09, 2012
by BobaMosfet
Wires in U.K 5 4937 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4842 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7792 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7490 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5282 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22780 July 21, 2012
by lnino
um help 6 3935 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4977 July 18, 2012
by Ralphxyz
help me 11 4829 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4228 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5530 June 24, 2012
by Ralphxyz
HELP 3 3972 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14900 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4077 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6009 June 17, 2012
by RogerFL
Programmable current source 6 6014 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5601 June 11, 2012
by mongo
HELP 6 4305 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4700 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50862 May 24, 2012
by Ralphxyz
i need a code 8 4705 May 15, 2012
by pcbolt
Clock Accuracy 30 9359 May 14, 2012
by HexManiac
Relays and Controlling them 9 4667 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4947 May 09, 2012
by RogerFL
Powering your NerdKit 7 4527 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4549 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7760 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4959 April 24, 2012
by pcbolt
Programs will not run 6 4440 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5060 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4744 April 09, 2012
by Ralphxyz
Path Lights controller 2 4311 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4419 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4957 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4527 April 01, 2012
by JamesFysh
Question on LCD screen 5 4523 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4486 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5800 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5419 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9123 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4611 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5787 March 15, 2012
by mongo
Digital servo issues! 9 5118 March 15, 2012
by Rick_S
Brushless motor control 16 5467 March 12, 2012
by hevans
Windows not detecting device 3 4261 March 10, 2012
by hevans
Voltage throught MCU 5 4276 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20130 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11865 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21072 March 01, 2012
by hevans
Up and running... 3 4071 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4731 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5092 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4314 February 24, 2012
by Rick_S
programming lcd trubs 7 4404 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5094 February 18, 2012
by Rick_S
Oscilloscope 15 6365 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10857 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5532 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4715 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11338 February 09, 2012
by mongo
Data transmission 3 5266 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5075 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6646 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4561 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4117 January 31, 2012
by tchilzer2
H bridge questions 6 4891 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4638 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5067 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5261 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8380 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4920 January 15, 2012
by Rick_S
Source of power? 19 5057 January 13, 2012
by mongo
symbol defined please? 4 4748 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18015 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4651 January 06, 2012
by boxvic
Basic LED circuit properties 8 4875 January 06, 2012
by boxvic
Getting Started 3 4350 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5539 January 02, 2012
by bodangly
SMD reflow 16 5635 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4601 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5274 December 23, 2011
by BobaMosfet
Potentiometer 8 6206 December 23, 2011
by huzbum
Fun with Op-Amps 3 6459 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5518 December 19, 2011
by n1cl3
Odessy of the minds 5 4796 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4161 November 27, 2011
by sazD
Initial Load 2 4830 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5539 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6229 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4902 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10030 November 10, 2011
by jfbrink
Servo Squitter Project 13 4636 November 09, 2011
by Heed
how do i run a program 4 4202 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4463 November 07, 2011
by Heed
Motor control question 2 4249 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9882 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4506 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4386 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96437 October 24, 2011
by glendon
Measuring Capacitance 9 5942 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4547 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6300 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22877 October 16, 2011
by sask55
RxD / TxD Questions 10 7738 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4630 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4529 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4813 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4324 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13682 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5992 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24430 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13098 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4257 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7822 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13848 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8928 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5373 September 01, 2011
by BobaMosfet
Dim LED 3 4201 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4727 August 23, 2011
by Twarter369
Easy Transistor Question 4 5355 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7106 August 18, 2011
by Ralphxyz
Building a coil?? 12 7129 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4627 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4276 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4104 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4046 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24137 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5385 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4790 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4505 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4542 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7320 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4202 July 17, 2011
by codenamejupiterx
avr macpack 3 4573 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4568 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4648 July 13, 2011
by BobaMosfet
Battery clip wires 3 4129 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4002 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4309 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4543 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4971 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25261 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4509 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4751 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6838 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4778 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4800 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4709 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5271 June 06, 2011
by mja
A couple of questions 3 4418 June 06, 2011
by Ralphxyz
How much should I strip? 3 4483 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4981 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4370 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4700 May 29, 2011
by Rick_S
Digital Input Question 4 4437 May 28, 2011
by frankdwest
PCB arrived 20 4429 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5074 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24035 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5021 May 09, 2011
by Noter
IR current 6 4734 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5442 May 04, 2011
by hariharan
Heat sensors 21 5817 May 04, 2011
by Hexorg
error 1 2 4306 May 02, 2011
by hevans
Transistor vs mosfet 13 12569 May 01, 2011
by Noter
PCB trace width calculator 3 5886 April 24, 2011
by esoderberg
OLED display 10 5602 April 23, 2011
by Rick_S
Power Supplies 17 6154 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4256 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4961 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4398 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5419 April 19, 2011
by mongo
Connecting to external control voltages 4 4380 April 19, 2011
by bretm
IR current question 7 4496 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5283 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5469 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4747 April 10, 2011
by uml_12
Basic projects 3 4421 April 09, 2011
by mongo
REFLOW oven 22 7370 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14661 April 07, 2011
by bretm
unexpected MCU rebooting 82 9380 April 05, 2011
by sask55
REFLOW Soldering 3 5339 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4716 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7052 March 30, 2011
by bretm
Black Display on LCD 6 4694 March 28, 2011
by Druidman
32kHz clock 2 4340 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11502 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12013 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6554 March 16, 2011
by mongo
LCD problem 3 4736 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5340 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5439 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4443 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8121 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5382 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5321 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12371 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9069 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6002 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9451 February 19, 2011
by Lusitania
My first Impression 6 4842 February 16, 2011
by devinsbusiness
Understanding battery life 3 6123 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5744 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5374 February 05, 2011
by BobaMosfet
High voltage lines 26 7540 February 02, 2011
by mongo
USB 3 4395 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5457 February 02, 2011
by Jalex
Alternating LED circuit 4 5347 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6676 January 31, 2011
by il1019
Affordable oscilloscopes 43 14814 January 27, 2011
by BStory
"And"gate unfinished thought 2 4540 January 27, 2011
by Hexorg
replace MCU? 30 9581 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5101 January 25, 2011
by Ralphxyz
Multimeter! 12 7388 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6038 January 25, 2011
by Jalex
My LED Cube so far 25 10816 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5847 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5271 January 18, 2011
by dgikuljot
Counting 5 4486 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9128 January 17, 2011
by bretm
Programming 5 5350 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5555 January 11, 2011
by Yourself
Begining 7 5630 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6025 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5358 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4657 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5197 January 06, 2011
by Mujda
Data input voltage 6 5191 January 03, 2011
by Rick_S
MOSFET Question 7 5349 December 31, 2010
by Keyster
Transistor as a switch 5 5384 December 29, 2010
by Hexorg
Resistors 5 5739 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10655 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5604 December 28, 2010
by BobaMosfet
Relay ratings 2 4912 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20244 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4757 December 17, 2010
by mongo
Power Rectifier 7 7046 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7375 December 14, 2010
by danuke
This a decent oscilloscope? 8 5153 December 14, 2010
by danuke
Do resistors in series really add up? 8 6573 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5970 December 09, 2010
by bretm
L293 H-Bridge 15 6661 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6860 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7031 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5952 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6473 November 24, 2010
by BobaMosfet
Op-amp not working 6 6748 November 24, 2010
by BobaMosfet
Python questions 4 5711 November 21, 2010
by tkopriva
CE Amp design 5 5247 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5165 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5018 November 05, 2010
by Mujda
PC4 not working?! 8 4866 November 04, 2010
by hapshetsut
Amplifiers 4 4831 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5694 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5777 October 04, 2010
by Scythium
radio interference from NerdKit 11 4882 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9529 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5379 September 11, 2010
by akajester
QFP and dreadboard 2 5281 September 02, 2010
by bretm
Getting power to the spinning part... 5 5149 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13082 August 30, 2010
by Ralphxyz
morse code decoder 2 5264 August 26, 2010
by jonathan_m
Connecting to Computer 3 5241 August 25, 2010
by awesome
555 astable on breadboard 12 6759 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4874 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5370 August 19, 2010
by hevans
mosfet 3 4634 August 13, 2010
by hevans
Good material on learning electronics. 8 5629 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4516 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7182 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6441 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9807 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6922 July 02, 2010
by mongo
Electro Cardio Gram 4 5790 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4566 June 12, 2010
by Wobbler
Voltage Regulator 20 6289 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5831 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6504 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6163 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5349 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4585 June 06, 2010
by Kafke
TSSOP IC! 4 5346 June 03, 2010
by mrobbins
AVcc 2 5583 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4787 May 31, 2010
by hevans
Cable Driver 2 4461 May 31, 2010
by mongo
Best 9V adapter to use 2 4905 May 28, 2010
by mongo
Unidirectional microphones 5 5157 May 27, 2010
by mongo
Servo question 3 4616 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5321 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5168 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6850 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11764 May 21, 2010
by hevans
Chinese Solenoid 15 5137 May 10, 2010
by treymd
avrisp mkii circuit 4 6350 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4691 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10000 May 07, 2010
by rajabalu21
Simple Power Switch 6 4788 May 05, 2010
by avicell
I can haz speed! 3 5134 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6632 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5467 April 21, 2010
by bretm
Help with choosing the right resistor 10 6579 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11290 April 15, 2010
by bretm
Resistor 4 4490 April 15, 2010
by mongo
MCU digital input pins 3 4679 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4977 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10862 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6935 March 28, 2010
by carlhako
Laptop ground safety question 3 5022 March 27, 2010
by ese
LM34 R-C Damper 5 6586 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5308 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4595 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6623 March 23, 2010
by ese
constant system reset 3 4506 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5263 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6339 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5606 March 17, 2010
by Frozenlock
What is -VS? 6 8661 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6419 March 04, 2010
by treymd
Using MCU to connect two wires 3 5501 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10223 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4919 March 02, 2010
by Solorbob
Deciphering power resistors 11 5307 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4701 March 01, 2010
by nrotstan
Understanding LEDs 16 7885 March 01, 2010
by michaeldallas
What's the part I need? 5 4810 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11836 February 23, 2010
by rajabalu21
Too much power? 14 5551 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6228 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6154 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13636 February 18, 2010
by Rick_S
Serial port interface circuit 2 5708 February 17, 2010
by mongo
OBDII project 3 4765 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8340 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7510 February 13, 2010
by BobaMosfet
Digital pots 5 5004 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5324 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6184 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7588 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7727 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5583 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7319 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11128 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5938 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5161 December 27, 2009
by jgauthier
Servo Signal Noise 2 4717 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8080 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11521 December 10, 2009
by georgio
Relays and transistors 12 9522 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9584 December 09, 2009
by Rick_S
IR Detector 7 9075 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5772 November 19, 2009
by mikedoug
Debug with lcd 6 5724 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5202 November 15, 2009
by tech20
Understanding output pin characteristics 4 5089 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7076 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5375 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48934 October 30, 2009
by BobaMosfet
DIY header unit 2 5555 October 10, 2009
by rusirius
Thermostat Logging 6 7199 October 09, 2009
by luke
Understanding transistors 6 6902 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10870 October 07, 2009
by mikedoug
Currant booster 3 4713 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5703 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13704 August 27, 2009
by hevans
Which LED? 14 5454 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6493 August 07, 2009
by mongo
pull up, pull down resistors 7 17891 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11827 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7738 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7121 July 07, 2009
by sector0
Reset switch for circuit 3 5378 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31993 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6492 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5257 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5401 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5891 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5227 May 06, 2009
by paulip

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