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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8706 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8114 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6856 April 12, 2016
by Ralphxyz
USBasp Help! 3 5755 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7971 May 04, 2015
by mongo
Need to replace Wall Watt 16 5269 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4935 April 10, 2015
by Noter
My new 3D Printer 44 20497 April 07, 2015
by Rick_S
AtMega 644 2 5006 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4057 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4701 June 02, 2014
by JKITSON
Automated programming mode? 9 4987 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4570 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4585 January 28, 2014
by lailai
What kind of error is this? 4 4426 January 23, 2014
by Noter
How to double a DC voltage? 20 11778 January 12, 2014
by JKITSON
Is the code the driver? 2 4272 January 12, 2014
by Ralphxyz
Miniature headers 6 4529 January 01, 2014
by Ralphxyz
BLDC 8 4595 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5164 November 26, 2013
by Rick_S
GLCD SPI problems 14 8445 November 10, 2013
by andyi
Moving on... 7 4406 November 08, 2013
by Pr0ject
Power supply questions 4 5933 October 31, 2013
by sask55
OLED 4 4160 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16102 September 22, 2013
by sask55
Opto Interrupter once again 14 8805 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4592 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11525 September 02, 2013
by Ralphxyz
USB cable specifications 7 6043 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5072 August 27, 2013
by Affarram
XMEGA Breakout 8 5439 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4141 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4813 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4838 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11074 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15722 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4127 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4746 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65991 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3947 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4465 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8627 March 14, 2013
by mongo
Current vs Voltage 8 5562 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5162 March 09, 2013
by lnino
Electric current 2 3938 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6878 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9576 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9022 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5001 February 24, 2013
by lnino
Relay Question 27 8254 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7922 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5428 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5320 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5075 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4686 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5301 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4650 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5483 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4009 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4101 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4587 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9998 November 18, 2012
by carlhako
SPI slave clock 6 4789 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4196 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30888 October 23, 2012
by Noter
NPN circuit connection quandry 4 4767 September 24, 2012
by edb
Simple I/O circuit 4 4418 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4207 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3885 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6662 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4426 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6799 September 13, 2012
by dan_engbers
Electronics simulation 8 5066 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7175 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4327 August 20, 2012
by rblalock
louder sound 2 4105 August 18, 2012
by mongo
connector or cable for LCD display? 4 4320 August 13, 2012
by missle3944
Powering L.E.Ds 5 4446 August 09, 2012
by BobaMosfet
Wires in U.K 5 4920 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4823 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7763 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7464 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5247 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22751 July 21, 2012
by lnino
um help 6 3920 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4954 July 18, 2012
by Ralphxyz
help me 11 4806 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4204 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5497 June 24, 2012
by Ralphxyz
HELP 3 3954 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14867 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4063 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5990 June 17, 2012
by RogerFL
Programmable current source 6 5971 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5579 June 11, 2012
by mongo
HELP 6 4285 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4672 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50673 May 24, 2012
by Ralphxyz
i need a code 8 4688 May 15, 2012
by pcbolt
Clock Accuracy 30 9335 May 14, 2012
by HexManiac
Relays and Controlling them 9 4647 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4925 May 09, 2012
by RogerFL
Powering your NerdKit 7 4506 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4530 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7739 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4943 April 24, 2012
by pcbolt
Programs will not run 6 4416 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5036 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4729 April 09, 2012
by Ralphxyz
Path Lights controller 2 4285 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4405 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4923 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4498 April 01, 2012
by JamesFysh
Question on LCD screen 5 4508 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4457 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5765 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5396 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9091 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4595 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5755 March 15, 2012
by mongo
Digital servo issues! 9 5095 March 15, 2012
by Rick_S
Brushless motor control 16 5445 March 12, 2012
by hevans
Windows not detecting device 3 4239 March 10, 2012
by hevans
Voltage throught MCU 5 4254 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20076 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11827 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20993 March 01, 2012
by hevans
Up and running... 3 4048 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4709 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5069 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4292 February 24, 2012
by Rick_S
programming lcd trubs 7 4364 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5066 February 18, 2012
by Rick_S
Oscilloscope 15 6339 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10824 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5510 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4695 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11287 February 09, 2012
by mongo
Data transmission 3 5251 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5054 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6623 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4541 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4099 January 31, 2012
by tchilzer2
H bridge questions 6 4874 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4612 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5036 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5242 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8355 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4893 January 15, 2012
by Rick_S
Source of power? 19 5027 January 13, 2012
by mongo
symbol defined please? 4 4733 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17966 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4633 January 06, 2012
by boxvic
Basic LED circuit properties 8 4850 January 06, 2012
by boxvic
Getting Started 3 4329 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5515 January 02, 2012
by bodangly
SMD reflow 16 5612 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4583 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5256 December 23, 2011
by BobaMosfet
Potentiometer 8 6185 December 23, 2011
by huzbum
Fun with Op-Amps 3 6427 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5499 December 19, 2011
by n1cl3
Odessy of the minds 5 4779 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4144 November 27, 2011
by sazD
Initial Load 2 4815 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5512 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6204 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4885 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10002 November 10, 2011
by jfbrink
Servo Squitter Project 13 4612 November 09, 2011
by Heed
how do i run a program 4 4189 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4442 November 07, 2011
by Heed
Motor control question 2 4237 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9852 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4485 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4372 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96323 October 24, 2011
by glendon
Measuring Capacitance 9 5909 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4531 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6275 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22818 October 16, 2011
by sask55
RxD / TxD Questions 10 7698 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4612 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4507 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4797 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4306 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13615 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5971 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24390 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13054 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4240 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7798 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13808 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8901 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5353 September 01, 2011
by BobaMosfet
Dim LED 3 4182 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4706 August 23, 2011
by Twarter369
Easy Transistor Question 4 5335 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7074 August 18, 2011
by Ralphxyz
Building a coil?? 12 7100 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4612 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4257 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4087 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4032 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24103 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5365 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4773 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4485 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4525 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7301 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4180 July 17, 2011
by codenamejupiterx
avr macpack 3 4555 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4539 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4626 July 13, 2011
by BobaMosfet
Battery clip wires 3 4118 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3982 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4288 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4528 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4939 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25223 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4494 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4731 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6811 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4761 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4780 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4693 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5241 June 06, 2011
by mja
A couple of questions 3 4399 June 06, 2011
by Ralphxyz
How much should I strip? 3 4468 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4963 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4342 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4672 May 29, 2011
by Rick_S
Digital Input Question 4 4416 May 28, 2011
by frankdwest
PCB arrived 20 4410 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5057 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23986 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5000 May 09, 2011
by Noter
IR current 6 4716 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5420 May 04, 2011
by hariharan
Heat sensors 21 5798 May 04, 2011
by Hexorg
error 1 2 4272 May 02, 2011
by hevans
Transistor vs mosfet 13 12533 May 01, 2011
by Noter
PCB trace width calculator 3 5876 April 24, 2011
by esoderberg
OLED display 10 5579 April 23, 2011
by Rick_S
Power Supplies 17 6139 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4242 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4948 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4382 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5400 April 19, 2011
by mongo
Connecting to external control voltages 4 4363 April 19, 2011
by bretm
IR current question 7 4476 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5269 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5449 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4732 April 10, 2011
by uml_12
Basic projects 3 4407 April 09, 2011
by mongo
REFLOW oven 22 7345 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14623 April 07, 2011
by bretm
unexpected MCU rebooting 82 9351 April 05, 2011
by sask55
REFLOW Soldering 3 5319 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4696 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7032 March 30, 2011
by bretm
Black Display on LCD 6 4674 March 28, 2011
by Druidman
32kHz clock 2 4323 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11472 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11964 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6519 March 16, 2011
by mongo
LCD problem 3 4721 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5318 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5422 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4429 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8090 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5365 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5296 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12354 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9031 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5981 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9431 February 19, 2011
by Lusitania
My first Impression 6 4825 February 16, 2011
by devinsbusiness
Understanding battery life 3 6095 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5723 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5350 February 05, 2011
by BobaMosfet
High voltage lines 26 7515 February 02, 2011
by mongo
USB 3 4382 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5435 February 02, 2011
by Jalex
Alternating LED circuit 4 5327 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6656 January 31, 2011
by il1019
Affordable oscilloscopes 43 14754 January 27, 2011
by BStory
"And"gate unfinished thought 2 4514 January 27, 2011
by Hexorg
replace MCU? 30 9546 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5080 January 25, 2011
by Ralphxyz
Multimeter! 12 7369 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6015 January 25, 2011
by Jalex
My LED Cube so far 25 10797 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5835 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5253 January 18, 2011
by dgikuljot
Counting 5 4468 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9104 January 17, 2011
by bretm
Programming 5 5330 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5533 January 11, 2011
by Yourself
Begining 7 5612 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6003 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5342 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4637 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5177 January 06, 2011
by Mujda
Data input voltage 6 5173 January 03, 2011
by Rick_S
MOSFET Question 7 5331 December 31, 2010
by Keyster
Transistor as a switch 5 5366 December 29, 2010
by Hexorg
Resistors 5 5723 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10619 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5579 December 28, 2010
by BobaMosfet
Relay ratings 2 4899 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20220 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4739 December 17, 2010
by mongo
Power Rectifier 7 6889 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7349 December 14, 2010
by danuke
This a decent oscilloscope? 8 5140 December 14, 2010
by danuke
Do resistors in series really add up? 8 6541 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5951 December 09, 2010
by bretm
L293 H-Bridge 15 6637 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6837 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7007 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5933 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6440 November 24, 2010
by BobaMosfet
Op-amp not working 6 6729 November 24, 2010
by BobaMosfet
Python questions 4 5697 November 21, 2010
by tkopriva
CE Amp design 5 5215 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5141 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4982 November 05, 2010
by Mujda
PC4 not working?! 8 4848 November 04, 2010
by hapshetsut
Amplifiers 4 4816 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5670 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5756 October 04, 2010
by Scythium
radio interference from NerdKit 11 4861 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9503 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5365 September 11, 2010
by akajester
QFP and dreadboard 2 5264 September 02, 2010
by bretm
Getting power to the spinning part... 5 5134 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13055 August 30, 2010
by Ralphxyz
morse code decoder 2 5251 August 26, 2010
by jonathan_m
Connecting to Computer 3 5224 August 25, 2010
by awesome
555 astable on breadboard 12 6740 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4844 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5354 August 19, 2010
by hevans
mosfet 3 4618 August 13, 2010
by hevans
Good material on learning electronics. 8 5609 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4494 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7156 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6424 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9773 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6904 July 02, 2010
by mongo
Electro Cardio Gram 4 5764 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4546 June 12, 2010
by Wobbler
Voltage Regulator 20 6269 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5800 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6476 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6134 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5322 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4565 June 06, 2010
by Kafke
TSSOP IC! 4 5333 June 03, 2010
by mrobbins
AVcc 2 5562 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4772 May 31, 2010
by hevans
Cable Driver 2 4445 May 31, 2010
by mongo
Best 9V adapter to use 2 4886 May 28, 2010
by mongo
Unidirectional microphones 5 5131 May 27, 2010
by mongo
Servo question 3 4601 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5302 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5141 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6829 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11712 May 21, 2010
by hevans
Chinese Solenoid 15 5115 May 10, 2010
by treymd
avrisp mkii circuit 4 6338 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4672 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9974 May 07, 2010
by rajabalu21
Simple Power Switch 6 4768 May 05, 2010
by avicell
I can haz speed! 3 5112 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6617 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5445 April 21, 2010
by bretm
Help with choosing the right resistor 10 6554 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11197 April 15, 2010
by bretm
Resistor 4 4476 April 15, 2010
by mongo
MCU digital input pins 3 4655 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4966 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10837 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6914 March 28, 2010
by carlhako
Laptop ground safety question 3 4993 March 27, 2010
by ese
LM34 R-C Damper 5 6567 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5293 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4567 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6600 March 23, 2010
by ese
constant system reset 3 4485 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5247 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6315 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5588 March 17, 2010
by Frozenlock
What is -VS? 6 8643 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6405 March 04, 2010
by treymd
Using MCU to connect two wires 3 5481 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10116 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4903 March 02, 2010
by Solorbob
Deciphering power resistors 11 5286 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4675 March 01, 2010
by nrotstan
Understanding LEDs 16 7862 March 01, 2010
by michaeldallas
What's the part I need? 5 4790 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11814 February 23, 2010
by rajabalu21
Too much power? 14 5532 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6206 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6133 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13598 February 18, 2010
by Rick_S
Serial port interface circuit 2 5688 February 17, 2010
by mongo
OBDII project 3 4751 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8316 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7490 February 13, 2010
by BobaMosfet
Digital pots 5 4990 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5297 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6147 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7567 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7707 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5560 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7287 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11088 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5915 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5142 December 27, 2009
by jgauthier
Servo Signal Noise 2 4706 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8049 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11495 December 10, 2009
by georgio
Relays and transistors 12 9503 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9560 December 09, 2009
by Rick_S
IR Detector 7 9047 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5750 November 19, 2009
by mikedoug
Debug with lcd 6 5701 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5185 November 15, 2009
by tech20
Understanding output pin characteristics 4 5066 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7031 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5349 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48875 October 30, 2009
by BobaMosfet
DIY header unit 2 5542 October 10, 2009
by rusirius
Thermostat Logging 6 7177 October 09, 2009
by luke
Understanding transistors 6 6879 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10849 October 07, 2009
by mikedoug
Currant booster 3 4690 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5676 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13668 August 27, 2009
by hevans
Which LED? 14 5437 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6471 August 07, 2009
by mongo
pull up, pull down resistors 7 17864 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11792 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7714 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7101 July 07, 2009
by sector0
Reset switch for circuit 3 5355 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31977 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6472 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5243 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5380 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5871 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5204 May 06, 2009
by paulip

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