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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9059 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8405 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7123 April 12, 2016
by Ralphxyz
USBasp Help! 3 6026 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8319 May 04, 2015
by mongo
Need to replace Wall Watt 16 5532 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5162 April 10, 2015
by Noter
My new 3D Printer 44 20739 April 07, 2015
by Rick_S
AtMega 644 2 5175 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4228 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4921 June 02, 2014
by JKITSON
Automated programming mode? 9 5206 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4775 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4813 January 28, 2014
by lailai
What kind of error is this? 4 4581 January 23, 2014
by Noter
How to double a DC voltage? 20 12045 January 12, 2014
by JKITSON
Is the code the driver? 2 4490 January 12, 2014
by Ralphxyz
Miniature headers 6 4703 January 01, 2014
by Ralphxyz
BLDC 8 4804 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5403 November 26, 2013
by Rick_S
GLCD SPI problems 14 8669 November 10, 2013
by andyi
Moving on... 7 4595 November 08, 2013
by Pr0ject
Power supply questions 4 6179 October 31, 2013
by sask55
OLED 4 4367 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16480 September 22, 2013
by sask55
Opto Interrupter once again 14 9105 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4770 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11856 September 02, 2013
by Ralphxyz
USB cable specifications 7 6421 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5307 August 27, 2013
by Affarram
XMEGA Breakout 8 5679 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4323 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 5000 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5037 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11813 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16448 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4337 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4941 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66525 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4128 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4695 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8882 March 14, 2013
by mongo
Current vs Voltage 8 5770 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5349 March 09, 2013
by lnino
Electric current 2 4108 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7057 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9983 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9629 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5196 February 24, 2013
by lnino
Relay Question 27 8481 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8169 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5650 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5481 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5280 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4845 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5572 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4864 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5687 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4205 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4258 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4772 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10383 November 18, 2012
by carlhako
SPI slave clock 6 4995 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4370 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31698 October 23, 2012
by Noter
NPN circuit connection quandry 4 4943 September 24, 2012
by edb
Simple I/O circuit 4 4601 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4361 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4115 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6962 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4595 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6992 September 13, 2012
by dan_engbers
Electronics simulation 8 5224 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7413 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4497 August 20, 2012
by rblalock
louder sound 2 4270 August 18, 2012
by mongo
connector or cable for LCD display? 4 4488 August 13, 2012
by missle3944
Powering L.E.Ds 5 4623 August 09, 2012
by BobaMosfet
Wires in U.K 5 5090 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 5006 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8171 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7683 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5504 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23027 July 21, 2012
by lnino
um help 6 4079 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5135 July 18, 2012
by Ralphxyz
help me 11 5002 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4404 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5722 June 24, 2012
by Ralphxyz
HELP 3 4118 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15156 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4240 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6167 June 17, 2012
by RogerFL
Programmable current source 6 6251 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5757 June 11, 2012
by mongo
HELP 6 4461 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4872 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52724 May 24, 2012
by Ralphxyz
i need a code 8 4863 May 15, 2012
by pcbolt
Clock Accuracy 30 9541 May 14, 2012
by HexManiac
Relays and Controlling them 9 4848 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5105 May 09, 2012
by RogerFL
Powering your NerdKit 7 4685 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4713 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7997 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5100 April 24, 2012
by pcbolt
Programs will not run 6 4595 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5258 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4897 April 09, 2012
by Ralphxyz
Path Lights controller 2 4465 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4576 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5135 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4678 April 01, 2012
by JamesFysh
Question on LCD screen 5 4702 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4669 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5999 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5625 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9328 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4765 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6119 March 15, 2012
by mongo
Digital servo issues! 9 5316 March 15, 2012
by Rick_S
Brushless motor control 16 5645 March 12, 2012
by hevans
Windows not detecting device 3 4434 March 10, 2012
by hevans
Voltage throught MCU 5 4448 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20359 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12234 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21668 March 01, 2012
by hevans
Up and running... 3 4239 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4903 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5249 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4470 February 24, 2012
by Rick_S
programming lcd trubs 7 4591 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5262 February 18, 2012
by Rick_S
Oscilloscope 15 6562 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11095 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5692 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4879 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12217 February 09, 2012
by mongo
Data transmission 3 5420 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5230 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6811 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4757 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4258 January 31, 2012
by tchilzer2
H bridge questions 6 5058 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4811 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5230 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5441 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8569 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5103 January 15, 2012
by Rick_S
Source of power? 19 5256 January 13, 2012
by mongo
symbol defined please? 4 4895 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18330 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4810 January 06, 2012
by boxvic
Basic LED circuit properties 8 5035 January 06, 2012
by boxvic
Getting Started 3 4510 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5697 January 02, 2012
by bodangly
SMD reflow 16 5817 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4749 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5418 December 23, 2011
by BobaMosfet
Potentiometer 8 6428 December 23, 2011
by huzbum
Fun with Op-Amps 3 6640 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5718 December 19, 2011
by n1cl3
Odessy of the minds 5 4944 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4333 November 27, 2011
by sazD
Initial Load 2 4969 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5717 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6394 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5038 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10227 November 10, 2011
by jfbrink
Servo Squitter Project 13 4801 November 09, 2011
by Heed
how do i run a program 4 4352 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4601 November 07, 2011
by Heed
Motor control question 2 4397 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10151 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4668 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4560 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 98046 October 24, 2011
by glendon
Measuring Capacitance 9 6096 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4691 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6454 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23449 October 16, 2011
by sask55
RxD / TxD Questions 10 8064 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4786 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4681 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4963 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4462 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14409 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6164 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24732 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13454 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4398 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 8009 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14161 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9138 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5551 September 01, 2011
by BobaMosfet
Dim LED 3 4365 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4875 August 23, 2011
by Twarter369
Easy Transistor Question 4 5546 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7498 August 18, 2011
by Ralphxyz
Building a coil?? 12 7316 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4779 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4438 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4258 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4203 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24376 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5526 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4936 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4643 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4685 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7510 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4353 July 17, 2011
by codenamejupiterx
avr macpack 3 4724 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4719 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4830 July 13, 2011
by BobaMosfet
Battery clip wires 3 4259 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4158 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4446 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4699 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5160 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25535 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4670 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4894 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7038 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4975 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4979 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4844 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5498 June 06, 2011
by mja
A couple of questions 3 4587 June 06, 2011
by Ralphxyz
How much should I strip? 3 4634 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5126 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4536 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4851 May 29, 2011
by Rick_S
Digital Input Question 4 4600 May 28, 2011
by frankdwest
PCB arrived 20 4584 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5234 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24321 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5177 May 09, 2011
by Noter
IR current 6 4882 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5621 May 04, 2011
by hariharan
Heat sensors 21 5996 May 04, 2011
by Hexorg
error 1 2 4471 May 02, 2011
by hevans
Transistor vs mosfet 13 12801 May 01, 2011
by Noter
PCB trace width calculator 3 6035 April 24, 2011
by esoderberg
OLED display 10 5756 April 23, 2011
by Rick_S
Power Supplies 17 6312 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4393 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5105 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4563 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5592 April 19, 2011
by mongo
Connecting to external control voltages 4 4524 April 19, 2011
by bretm
IR current question 7 4650 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5441 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5635 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4890 April 10, 2011
by uml_12
Basic projects 3 4562 April 09, 2011
by mongo
REFLOW oven 22 7537 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14972 April 07, 2011
by bretm
unexpected MCU rebooting 82 9655 April 05, 2011
by sask55
REFLOW Soldering 3 5549 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4873 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7229 March 30, 2011
by bretm
Black Display on LCD 6 4831 March 28, 2011
by Druidman
32kHz clock 2 4485 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11821 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12422 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6703 March 16, 2011
by mongo
LCD problem 3 4877 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5510 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5581 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4584 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8337 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5559 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5471 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12534 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9306 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6164 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9632 February 19, 2011
by Lusitania
My first Impression 6 5014 February 16, 2011
by devinsbusiness
Understanding battery life 3 6347 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5892 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5543 February 05, 2011
by BobaMosfet
High voltage lines 26 7754 February 02, 2011
by mongo
USB 3 4536 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5627 February 02, 2011
by Jalex
Alternating LED circuit 4 5503 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6843 January 31, 2011
by il1019
Affordable oscilloscopes 43 15285 January 27, 2011
by BStory
"And"gate unfinished thought 2 4705 January 27, 2011
by Hexorg
replace MCU? 30 9839 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5278 January 25, 2011
by Ralphxyz
Multimeter! 12 7550 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6203 January 25, 2011
by Jalex
My LED Cube so far 25 10992 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5990 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5430 January 18, 2011
by dgikuljot
Counting 5 4669 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9308 January 17, 2011
by bretm
Programming 5 5536 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5722 January 11, 2011
by Yourself
Begining 7 5807 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6182 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5506 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4838 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5373 January 06, 2011
by Mujda
Data input voltage 6 5363 January 03, 2011
by Rick_S
MOSFET Question 7 5547 December 31, 2010
by Keyster
Transistor as a switch 5 5561 December 29, 2010
by Hexorg
Resistors 5 5925 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10881 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5775 December 28, 2010
by BobaMosfet
Relay ratings 2 5072 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20451 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4918 December 17, 2010
by mongo
Power Rectifier 7 7219 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7561 December 14, 2010
by danuke
This a decent oscilloscope? 8 5323 December 14, 2010
by danuke
Do resistors in series really add up? 8 6754 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6144 December 09, 2010
by bretm
L293 H-Bridge 15 6838 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7063 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7244 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6123 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6650 November 24, 2010
by BobaMosfet
Op-amp not working 6 6915 November 24, 2010
by BobaMosfet
Python questions 4 5873 November 21, 2010
by tkopriva
CE Amp design 5 5432 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5314 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5181 November 05, 2010
by Mujda
PC4 not working?! 8 5034 November 04, 2010
by hapshetsut
Amplifiers 4 4979 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5860 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5952 October 04, 2010
by Scythium
radio interference from NerdKit 11 5068 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9689 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5555 September 11, 2010
by akajester
QFP and dreadboard 2 5448 September 02, 2010
by bretm
Getting power to the spinning part... 5 5291 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13274 August 30, 2010
by Ralphxyz
morse code decoder 2 5399 August 26, 2010
by jonathan_m
Connecting to Computer 3 5386 August 25, 2010
by awesome
555 astable on breadboard 12 6900 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 5010 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5506 August 19, 2010
by hevans
mosfet 3 4775 August 13, 2010
by hevans
Good material on learning electronics. 8 5787 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4664 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7423 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6609 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10056 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7072 July 02, 2010
by mongo
Electro Cardio Gram 4 5974 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4713 June 12, 2010
by Wobbler
Voltage Regulator 20 6449 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5999 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6666 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6298 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5505 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4728 June 06, 2010
by Kafke
TSSOP IC! 4 5507 June 03, 2010
by mrobbins
AVcc 2 5731 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4947 May 31, 2010
by hevans
Cable Driver 2 4623 May 31, 2010
by mongo
Best 9V adapter to use 2 5054 May 28, 2010
by mongo
Unidirectional microphones 5 5291 May 27, 2010
by mongo
Servo question 3 4795 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5467 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5323 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6989 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 12011 May 21, 2010
by hevans
Chinese Solenoid 15 5323 May 10, 2010
by treymd
avrisp mkii circuit 4 6496 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4847 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10240 May 07, 2010
by rajabalu21
Simple Power Switch 6 4934 May 05, 2010
by avicell
I can haz speed! 3 5292 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6810 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5643 April 21, 2010
by bretm
Help with choosing the right resistor 10 6734 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11533 April 15, 2010
by bretm
Resistor 4 4647 April 15, 2010
by mongo
MCU digital input pins 3 4847 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5144 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11022 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7080 March 28, 2010
by carlhako
Laptop ground safety question 3 5150 March 27, 2010
by ese
LM34 R-C Damper 5 6761 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5453 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4750 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6778 March 23, 2010
by ese
constant system reset 3 4655 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5429 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6523 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5745 March 17, 2010
by Frozenlock
What is -VS? 6 8839 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6559 March 04, 2010
by treymd
Using MCU to connect two wires 3 5642 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10487 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5083 March 02, 2010
by Solorbob
Deciphering power resistors 11 5477 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4843 March 01, 2010
by nrotstan
Understanding LEDs 16 8079 March 01, 2010
by michaeldallas
What's the part I need? 5 4962 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12017 February 23, 2010
by rajabalu21
Too much power? 14 5712 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6369 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6339 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13899 February 18, 2010
by Rick_S
Serial port interface circuit 2 5860 February 17, 2010
by mongo
OBDII project 3 4918 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8536 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7700 February 13, 2010
by BobaMosfet
Digital pots 5 5162 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5477 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6359 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7767 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7919 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5711 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7524 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11418 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6113 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5304 December 27, 2009
by jgauthier
Servo Signal Noise 2 4867 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8247 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11727 December 10, 2009
by georgio
Relays and transistors 12 9697 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9757 December 09, 2009
by Rick_S
IR Detector 7 9316 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5914 November 19, 2009
by mikedoug
Debug with lcd 6 5880 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5334 November 15, 2009
by tech20
Understanding output pin characteristics 4 5257 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7268 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5538 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49452 October 30, 2009
by BobaMosfet
DIY header unit 2 5713 October 10, 2009
by rusirius
Thermostat Logging 6 7382 October 09, 2009
by luke
Understanding transistors 6 7040 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11029 October 07, 2009
by mikedoug
Currant booster 3 4875 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5838 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13910 August 27, 2009
by hevans
Which LED? 14 5616 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6662 August 07, 2009
by mongo
pull up, pull down resistors 7 18080 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12098 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7912 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7303 July 07, 2009
by sector0
Reset switch for circuit 3 5518 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32173 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6655 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5412 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5580 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6036 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5391 May 06, 2009
by paulip

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