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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8898 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8270 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7000 April 12, 2016
by Ralphxyz
USBasp Help! 3 5895 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8165 May 04, 2015
by mongo
Need to replace Wall Watt 16 5396 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5048 April 10, 2015
by Noter
My new 3D Printer 44 20630 April 07, 2015
by Rick_S
AtMega 644 2 5092 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4139 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4818 June 02, 2014
by JKITSON
Automated programming mode? 9 5098 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4674 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4709 January 28, 2014
by lailai
What kind of error is this? 4 4503 January 23, 2014
by Noter
How to double a DC voltage? 20 11916 January 12, 2014
by JKITSON
Is the code the driver? 2 4390 January 12, 2014
by Ralphxyz
Miniature headers 6 4607 January 01, 2014
by Ralphxyz
BLDC 8 4700 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5299 November 26, 2013
by Rick_S
GLCD SPI problems 14 8565 November 10, 2013
by andyi
Moving on... 7 4507 November 08, 2013
by Pr0ject
Power supply questions 4 6073 October 31, 2013
by sask55
OLED 4 4271 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16296 September 22, 2013
by sask55
Opto Interrupter once again 14 8960 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4683 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11708 September 02, 2013
by Ralphxyz
USB cable specifications 7 6242 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5208 August 27, 2013
by Affarram
XMEGA Breakout 8 5570 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4233 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4906 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4954 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11410 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16091 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4233 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4845 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66316 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4040 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4602 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8773 March 14, 2013
by mongo
Current vs Voltage 8 5671 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5247 March 09, 2013
by lnino
Electric current 2 4022 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6964 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9849 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9358 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5105 February 24, 2013
by lnino
Relay Question 27 8369 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8058 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5544 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5406 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5183 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4766 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5452 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4760 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5587 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4101 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4175 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4655 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10226 November 18, 2012
by carlhako
SPI slave clock 6 4896 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4278 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31229 October 23, 2012
by Noter
NPN circuit connection quandry 4 4859 September 24, 2012
by edb
Simple I/O circuit 4 4506 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4292 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4014 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6837 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4510 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6894 September 13, 2012
by dan_engbers
Electronics simulation 8 5138 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7297 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4417 August 20, 2012
by rblalock
louder sound 2 4183 August 18, 2012
by mongo
connector or cable for LCD display? 4 4404 August 13, 2012
by missle3944
Powering L.E.Ds 5 4532 August 09, 2012
by BobaMosfet
Wires in U.K 5 5003 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4913 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7926 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7574 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5374 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22910 July 21, 2012
by lnino
um help 6 3990 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5045 July 18, 2012
by Ralphxyz
help me 11 4903 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4292 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5619 June 24, 2012
by Ralphxyz
HELP 3 4046 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15033 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4150 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6080 June 17, 2012
by RogerFL
Programmable current source 6 6139 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5674 June 11, 2012
by mongo
HELP 6 4368 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4773 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52330 May 24, 2012
by Ralphxyz
i need a code 8 4775 May 15, 2012
by pcbolt
Clock Accuracy 30 9446 May 14, 2012
by HexManiac
Relays and Controlling them 9 4745 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5013 May 09, 2012
by RogerFL
Powering your NerdKit 7 4596 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4619 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7871 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5024 April 24, 2012
by pcbolt
Programs will not run 6 4516 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5152 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4809 April 09, 2012
by Ralphxyz
Path Lights controller 2 4376 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4489 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5038 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4587 April 01, 2012
by JamesFysh
Question on LCD screen 5 4590 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4561 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5886 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5496 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9226 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4672 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5972 March 15, 2012
by mongo
Digital servo issues! 9 5201 March 15, 2012
by Rick_S
Brushless motor control 16 5545 March 12, 2012
by hevans
Windows not detecting device 3 4340 March 10, 2012
by hevans
Voltage throught MCU 5 4352 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20242 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11995 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21320 March 01, 2012
by hevans
Up and running... 3 4135 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4800 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5153 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4385 February 24, 2012
by Rick_S
programming lcd trubs 7 4502 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5174 February 18, 2012
by Rick_S
Oscilloscope 15 6452 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10972 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5596 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4780 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11591 February 09, 2012
by mongo
Data transmission 3 5338 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5144 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6717 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4638 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4179 January 31, 2012
by tchilzer2
H bridge questions 6 4972 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4719 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5139 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5340 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8468 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5003 January 15, 2012
by Rick_S
Source of power? 19 5140 January 13, 2012
by mongo
symbol defined please? 4 4816 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18201 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4720 January 06, 2012
by boxvic
Basic LED circuit properties 8 4947 January 06, 2012
by boxvic
Getting Started 3 4411 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5601 January 02, 2012
by bodangly
SMD reflow 16 5716 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4669 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5333 December 23, 2011
by BobaMosfet
Potentiometer 8 6306 December 23, 2011
by huzbum
Fun with Op-Amps 3 6547 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5625 December 19, 2011
by n1cl3
Odessy of the minds 5 4860 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4241 November 27, 2011
by sazD
Initial Load 2 4896 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5619 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6305 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4957 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10142 November 10, 2011
by jfbrink
Servo Squitter Project 13 4701 November 09, 2011
by Heed
how do i run a program 4 4263 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4522 November 07, 2011
by Heed
Motor control question 2 4305 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10028 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4583 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4462 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97042 October 24, 2011
by glendon
Measuring Capacitance 9 6004 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4614 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6366 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23178 October 16, 2011
by sask55
RxD / TxD Questions 10 7930 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4692 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4588 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4877 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4377 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13957 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6074 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24570 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13300 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4322 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7902 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14035 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9009 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5459 September 01, 2011
by BobaMosfet
Dim LED 3 4279 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4791 August 23, 2011
by Twarter369
Easy Transistor Question 4 5439 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7395 August 18, 2011
by Ralphxyz
Building a coil?? 12 7204 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4696 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4343 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4182 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4114 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24268 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5448 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4853 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4561 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4609 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7402 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4270 July 17, 2011
by codenamejupiterx
avr macpack 3 4641 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4634 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4734 July 13, 2011
by BobaMosfet
Battery clip wires 3 4187 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4079 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4360 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4611 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5072 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25402 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4590 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4817 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6932 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4870 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4884 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4761 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5365 June 06, 2011
by mja
A couple of questions 3 4486 June 06, 2011
by Ralphxyz
How much should I strip? 3 4558 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5041 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4438 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4780 May 29, 2011
by Rick_S
Digital Input Question 4 4509 May 28, 2011
by frankdwest
PCB arrived 20 4493 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5140 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24179 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5094 May 09, 2011
by Noter
IR current 6 4786 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5519 May 04, 2011
by hariharan
Heat sensors 21 5893 May 04, 2011
by Hexorg
error 1 2 4390 May 02, 2011
by hevans
Transistor vs mosfet 13 12682 May 01, 2011
by Noter
PCB trace width calculator 3 5950 April 24, 2011
by esoderberg
OLED display 10 5674 April 23, 2011
by Rick_S
Power Supplies 17 6221 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4316 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5018 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4464 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5493 April 19, 2011
by mongo
Connecting to external control voltages 4 4435 April 19, 2011
by bretm
IR current question 7 4564 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5351 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5547 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4812 April 10, 2011
by uml_12
Basic projects 3 4481 April 09, 2011
by mongo
REFLOW oven 22 7440 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14821 April 07, 2011
by bretm
unexpected MCU rebooting 82 9496 April 05, 2011
by sask55
REFLOW Soldering 3 5438 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4780 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7127 March 30, 2011
by bretm
Black Display on LCD 6 4748 March 28, 2011
by Druidman
32kHz clock 2 4404 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11649 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12247 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6620 March 16, 2011
by mongo
LCD problem 3 4791 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5416 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5494 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4503 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8231 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5443 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5395 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12445 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9183 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6076 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9534 February 19, 2011
by Lusitania
My first Impression 6 4916 February 16, 2011
by devinsbusiness
Understanding battery life 3 6238 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5810 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5450 February 05, 2011
by BobaMosfet
High voltage lines 26 7644 February 02, 2011
by mongo
USB 3 4460 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5540 February 02, 2011
by Jalex
Alternating LED circuit 4 5412 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6749 January 31, 2011
by il1019
Affordable oscilloscopes 43 15070 January 27, 2011
by BStory
"And"gate unfinished thought 2 4615 January 27, 2011
by Hexorg
replace MCU? 30 9713 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5176 January 25, 2011
by Ralphxyz
Multimeter! 12 7468 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6116 January 25, 2011
by Jalex
My LED Cube so far 25 10892 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5902 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5342 January 18, 2011
by dgikuljot
Counting 5 4561 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9224 January 17, 2011
by bretm
Programming 5 5441 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5627 January 11, 2011
by Yourself
Begining 7 5713 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6093 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5421 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4745 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5270 January 06, 2011
by Mujda
Data input voltage 6 5278 January 03, 2011
by Rick_S
MOSFET Question 7 5424 December 31, 2010
by Keyster
Transistor as a switch 5 5468 December 29, 2010
by Hexorg
Resistors 5 5827 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10776 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5684 December 28, 2010
by BobaMosfet
Relay ratings 2 4991 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20343 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4822 December 17, 2010
by mongo
Power Rectifier 7 7121 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7460 December 14, 2010
by danuke
This a decent oscilloscope? 8 5235 December 14, 2010
by danuke
Do resistors in series really add up? 8 6659 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6055 December 09, 2010
by bretm
L293 H-Bridge 15 6745 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6959 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7125 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6029 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6550 November 24, 2010
by BobaMosfet
Op-amp not working 6 6827 November 24, 2010
by BobaMosfet
Python questions 4 5787 November 21, 2010
by tkopriva
CE Amp design 5 5333 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5228 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5089 November 05, 2010
by Mujda
PC4 not working?! 8 4946 November 04, 2010
by hapshetsut
Amplifiers 4 4895 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5764 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5850 October 04, 2010
by Scythium
radio interference from NerdKit 11 4983 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9608 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5452 September 11, 2010
by akajester
QFP and dreadboard 2 5354 September 02, 2010
by bretm
Getting power to the spinning part... 5 5211 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13174 August 30, 2010
by Ralphxyz
morse code decoder 2 5326 August 26, 2010
by jonathan_m
Connecting to Computer 3 5312 August 25, 2010
by awesome
555 astable on breadboard 12 6818 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4933 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5429 August 19, 2010
by hevans
mosfet 3 4690 August 13, 2010
by hevans
Good material on learning electronics. 8 5693 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4579 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7303 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6520 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9922 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6999 July 02, 2010
by mongo
Electro Cardio Gram 4 5875 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4638 June 12, 2010
by Wobbler
Voltage Regulator 20 6355 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5910 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6577 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6219 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5413 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4645 June 06, 2010
by Kafke
TSSOP IC! 4 5422 June 03, 2010
by mrobbins
AVcc 2 5655 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4858 May 31, 2010
by hevans
Cable Driver 2 4539 May 31, 2010
by mongo
Best 9V adapter to use 2 4977 May 28, 2010
by mongo
Unidirectional microphones 5 5219 May 27, 2010
by mongo
Servo question 3 4691 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5381 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5236 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6911 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11883 May 21, 2010
by hevans
Chinese Solenoid 15 5217 May 10, 2010
by treymd
avrisp mkii circuit 4 6418 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4758 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10122 May 07, 2010
by rajabalu21
Simple Power Switch 6 4846 May 05, 2010
by avicell
I can haz speed! 3 5202 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6706 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5545 April 21, 2010
by bretm
Help with choosing the right resistor 10 6647 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11412 April 15, 2010
by bretm
Resistor 4 4555 April 15, 2010
by mongo
MCU digital input pins 3 4761 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5039 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10936 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6995 March 28, 2010
by carlhako
Laptop ground safety question 3 5073 March 27, 2010
by ese
LM34 R-C Damper 5 6650 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5371 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4676 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6685 March 23, 2010
by ese
constant system reset 3 4566 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5339 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6425 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5668 March 17, 2010
by Frozenlock
What is -VS? 6 8737 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6482 March 04, 2010
by treymd
Using MCU to connect two wires 3 5562 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10361 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4999 March 02, 2010
by Solorbob
Deciphering power resistors 11 5390 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4767 March 01, 2010
by nrotstan
Understanding LEDs 16 7988 March 01, 2010
by michaeldallas
What's the part I need? 5 4875 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11925 February 23, 2010
by rajabalu21
Too much power? 14 5624 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6288 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6237 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13774 February 18, 2010
by Rick_S
Serial port interface circuit 2 5774 February 17, 2010
by mongo
OBDII project 3 4837 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8448 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7600 February 13, 2010
by BobaMosfet
Digital pots 5 5064 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5392 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6271 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7676 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7822 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5630 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7414 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11242 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6012 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5217 December 27, 2009
by jgauthier
Servo Signal Noise 2 4778 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8162 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11617 December 10, 2009
by georgio
Relays and transistors 12 9604 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9669 December 09, 2009
by Rick_S
IR Detector 7 9206 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5832 November 19, 2009
by mikedoug
Debug with lcd 6 5795 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5262 November 15, 2009
by tech20
Understanding output pin characteristics 4 5164 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7177 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5439 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49133 October 30, 2009
by BobaMosfet
DIY header unit 2 5615 October 10, 2009
by rusirius
Thermostat Logging 6 7279 October 09, 2009
by luke
Understanding transistors 6 6964 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10946 October 07, 2009
by mikedoug
Currant booster 3 4774 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5757 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13809 August 27, 2009
by hevans
Which LED? 14 5526 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6563 August 07, 2009
by mongo
pull up, pull down resistors 7 17986 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11974 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7816 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7203 July 07, 2009
by sector0
Reset switch for circuit 3 5436 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32070 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6573 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5336 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5491 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5960 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5304 May 06, 2009
by paulip

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