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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8618 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8053 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6802 April 12, 2016
by Ralphxyz
USBasp Help! 3 5709 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7917 May 04, 2015
by mongo
Need to replace Wall Watt 16 5215 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4890 April 10, 2015
by Noter
My new 3D Printer 44 20451 April 07, 2015
by Rick_S
AtMega 644 2 4975 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4025 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4644 June 02, 2014
by JKITSON
Automated programming mode? 9 4942 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4536 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4526 January 28, 2014
by lailai
What kind of error is this? 4 4397 January 23, 2014
by Noter
How to double a DC voltage? 20 11728 January 12, 2014
by JKITSON
Is the code the driver? 2 4216 January 12, 2014
by Ralphxyz
Miniature headers 6 4497 January 01, 2014
by Ralphxyz
BLDC 8 4544 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5109 November 26, 2013
by Rick_S
GLCD SPI problems 14 8397 November 10, 2013
by andyi
Moving on... 7 4370 November 08, 2013
by Pr0ject
Power supply questions 4 5873 October 31, 2013
by sask55
OLED 4 4112 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16014 September 22, 2013
by sask55
Opto Interrupter once again 14 8741 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4561 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11471 September 02, 2013
by Ralphxyz
USB cable specifications 7 5970 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4999 August 27, 2013
by Affarram
XMEGA Breakout 8 5393 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4105 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4773 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4804 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10996 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15636 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4085 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4707 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65877 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3916 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4416 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8575 March 14, 2013
by mongo
Current vs Voltage 8 5510 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5126 March 09, 2013
by lnino
Electric current 2 3906 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6846 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9518 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8943 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4950 February 24, 2013
by lnino
Relay Question 27 8195 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7859 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5382 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5289 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5030 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4637 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5249 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4596 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5449 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3977 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4066 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4555 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9941 November 18, 2012
by carlhako
SPI slave clock 6 4751 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4163 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30743 October 23, 2012
by Noter
NPN circuit connection quandry 4 4730 September 24, 2012
by edb
Simple I/O circuit 4 4382 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4173 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3833 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6583 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4394 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6755 September 13, 2012
by dan_engbers
Electronics simulation 8 5036 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7135 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4296 August 20, 2012
by rblalock
louder sound 2 4069 August 18, 2012
by mongo
connector or cable for LCD display? 4 4292 August 13, 2012
by missle3944
Powering L.E.Ds 5 4412 August 09, 2012
by BobaMosfet
Wires in U.K 5 4889 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4793 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7721 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7425 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5199 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22692 July 21, 2012
by lnino
um help 6 3881 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4910 July 18, 2012
by Ralphxyz
help me 11 4769 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4173 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5453 June 24, 2012
by Ralphxyz
HELP 3 3927 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14824 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4036 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5958 June 17, 2012
by RogerFL
Programmable current source 6 5902 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5544 June 11, 2012
by mongo
HELP 6 4246 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4628 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50333 May 24, 2012
by Ralphxyz
i need a code 8 4646 May 15, 2012
by pcbolt
Clock Accuracy 30 9294 May 14, 2012
by HexManiac
Relays and Controlling them 9 4614 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4891 May 09, 2012
by RogerFL
Powering your NerdKit 7 4468 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4492 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7688 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4913 April 24, 2012
by pcbolt
Programs will not run 6 4381 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5003 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4685 April 09, 2012
by Ralphxyz
Path Lights controller 2 4243 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4372 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4884 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4467 April 01, 2012
by JamesFysh
Question on LCD screen 5 4475 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4419 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5708 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5345 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9044 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4554 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5708 March 15, 2012
by mongo
Digital servo issues! 9 5056 March 15, 2012
by Rick_S
Brushless motor control 16 5411 March 12, 2012
by hevans
Windows not detecting device 3 4208 March 10, 2012
by hevans
Voltage throught MCU 5 4224 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19995 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11761 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20885 March 01, 2012
by hevans
Up and running... 3 4008 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4672 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5030 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4253 February 24, 2012
by Rick_S
programming lcd trubs 7 4309 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5033 February 18, 2012
by Rick_S
Oscilloscope 15 6306 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10760 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5468 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4651 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11196 February 09, 2012
by mongo
Data transmission 3 5216 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5017 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6582 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4503 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4071 January 31, 2012
by tchilzer2
H bridge questions 6 4843 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4581 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4981 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5191 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8315 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4854 January 15, 2012
by Rick_S
Source of power? 19 4977 January 13, 2012
by mongo
symbol defined please? 4 4702 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17865 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4592 January 06, 2012
by boxvic
Basic LED circuit properties 8 4811 January 06, 2012
by boxvic
Getting Started 3 4298 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5483 January 02, 2012
by bodangly
SMD reflow 16 5576 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4547 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5226 December 23, 2011
by BobaMosfet
Potentiometer 8 6128 December 23, 2011
by huzbum
Fun with Op-Amps 3 6387 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5462 December 19, 2011
by n1cl3
Odessy of the minds 5 4749 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4114 November 27, 2011
by sazD
Initial Load 2 4781 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5471 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6165 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4836 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9950 November 10, 2011
by jfbrink
Servo Squitter Project 13 4572 November 09, 2011
by Heed
how do i run a program 4 4160 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4407 November 07, 2011
by Heed
Motor control question 2 4204 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9796 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4448 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4342 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96105 October 24, 2011
by glendon
Measuring Capacitance 9 5872 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4498 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6231 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22700 October 16, 2011
by sask55
RxD / TxD Questions 10 7643 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4576 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4475 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4764 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4276 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13486 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5932 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24328 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12966 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4210 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7755 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13694 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8862 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5312 September 01, 2011
by BobaMosfet
Dim LED 3 4145 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4672 August 23, 2011
by Twarter369
Easy Transistor Question 4 5294 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7021 August 18, 2011
by Ralphxyz
Building a coil?? 12 7057 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4580 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4227 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4055 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4005 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24025 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5327 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4740 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4449 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4495 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7266 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4147 July 17, 2011
by codenamejupiterx
avr macpack 3 4524 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4495 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4578 July 13, 2011
by BobaMosfet
Battery clip wires 3 4090 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3952 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4254 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4485 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4884 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25163 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4461 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4690 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6773 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4728 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4745 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4663 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5198 June 06, 2011
by mja
A couple of questions 3 4372 June 06, 2011
by Ralphxyz
How much should I strip? 3 4435 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4923 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4303 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4642 May 29, 2011
by Rick_S
Digital Input Question 4 4382 May 28, 2011
by frankdwest
PCB arrived 20 4376 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5022 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23919 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4968 May 09, 2011
by Noter
IR current 6 4682 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5387 May 04, 2011
by hariharan
Heat sensors 21 5758 May 04, 2011
by Hexorg
error 1 2 4218 May 02, 2011
by hevans
Transistor vs mosfet 13 12471 May 01, 2011
by Noter
PCB trace width calculator 3 5835 April 24, 2011
by esoderberg
OLED display 10 5522 April 23, 2011
by Rick_S
Power Supplies 17 6097 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4204 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4919 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4342 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5369 April 19, 2011
by mongo
Connecting to external control voltages 4 4329 April 19, 2011
by bretm
IR current question 7 4443 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5228 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5406 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4697 April 10, 2011
by uml_12
Basic projects 3 4363 April 09, 2011
by mongo
REFLOW oven 22 7304 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14548 April 07, 2011
by bretm
unexpected MCU rebooting 82 9311 April 05, 2011
by sask55
REFLOW Soldering 3 5280 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4670 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6993 March 30, 2011
by bretm
Black Display on LCD 6 4643 March 28, 2011
by Druidman
32kHz clock 2 4285 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11428 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11880 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6474 March 16, 2011
by mongo
LCD problem 3 4688 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5276 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5389 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4393 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8034 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5315 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5267 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12315 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8966 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5935 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9399 February 19, 2011
by Lusitania
My first Impression 6 4782 February 16, 2011
by devinsbusiness
Understanding battery life 3 6059 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5686 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5312 February 05, 2011
by BobaMosfet
High voltage lines 26 7476 February 02, 2011
by mongo
USB 3 4354 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5396 February 02, 2011
by Jalex
Alternating LED circuit 4 5294 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6619 January 31, 2011
by il1019
Affordable oscilloscopes 43 14654 January 27, 2011
by BStory
"And"gate unfinished thought 2 4477 January 27, 2011
by Hexorg
replace MCU? 30 9499 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5042 January 25, 2011
by Ralphxyz
Multimeter! 12 7334 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5978 January 25, 2011
by Jalex
My LED Cube so far 25 10757 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5804 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5221 January 18, 2011
by dgikuljot
Counting 5 4424 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9066 January 17, 2011
by bretm
Programming 5 5283 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5504 January 11, 2011
by Yourself
Begining 7 5575 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5963 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5305 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4605 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5146 January 06, 2011
by Mujda
Data input voltage 6 5137 January 03, 2011
by Rick_S
MOSFET Question 7 5296 December 31, 2010
by Keyster
Transistor as a switch 5 5324 December 29, 2010
by Hexorg
Resistors 5 5681 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10551 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5535 December 28, 2010
by BobaMosfet
Relay ratings 2 4865 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20153 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4709 December 17, 2010
by mongo
Power Rectifier 7 6199 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7282 December 14, 2010
by danuke
This a decent oscilloscope? 8 5104 December 14, 2010
by danuke
Do resistors in series really add up? 8 6495 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5913 December 09, 2010
by bretm
L293 H-Bridge 15 6589 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6787 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6961 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5895 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6395 November 24, 2010
by BobaMosfet
Op-amp not working 6 6698 November 24, 2010
by BobaMosfet
Python questions 4 5667 November 21, 2010
by tkopriva
CE Amp design 5 5166 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5106 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4943 November 05, 2010
by Mujda
PC4 not working?! 8 4805 November 04, 2010
by hapshetsut
Amplifiers 4 4779 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5633 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5724 October 04, 2010
by Scythium
radio interference from NerdKit 11 4822 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9466 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5337 September 11, 2010
by akajester
QFP and dreadboard 2 5229 September 02, 2010
by bretm
Getting power to the spinning part... 5 5105 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12995 August 30, 2010
by Ralphxyz
morse code decoder 2 5219 August 26, 2010
by jonathan_m
Connecting to Computer 3 5185 August 25, 2010
by awesome
555 astable on breadboard 12 6706 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4806 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5321 August 19, 2010
by hevans
mosfet 3 4582 August 13, 2010
by hevans
Good material on learning electronics. 8 5573 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4462 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7105 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6393 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9696 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6868 July 02, 2010
by mongo
Electro Cardio Gram 4 5718 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4518 June 12, 2010
by Wobbler
Voltage Regulator 20 6230 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5770 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6430 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6099 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5287 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4529 June 06, 2010
by Kafke
TSSOP IC! 4 5294 June 03, 2010
by mrobbins
AVcc 2 5537 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4739 May 31, 2010
by hevans
Cable Driver 2 4411 May 31, 2010
by mongo
Best 9V adapter to use 2 4855 May 28, 2010
by mongo
Unidirectional microphones 5 5089 May 27, 2010
by mongo
Servo question 3 4569 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5271 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5110 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6781 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11626 May 21, 2010
by hevans
Chinese Solenoid 15 5067 May 10, 2010
by treymd
avrisp mkii circuit 4 6312 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4640 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9917 May 07, 2010
by rajabalu21
Simple Power Switch 6 4735 May 05, 2010
by avicell
I can haz speed! 3 5078 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6576 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5414 April 21, 2010
by bretm
Help with choosing the right resistor 10 6517 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11113 April 15, 2010
by bretm
Resistor 4 4440 April 15, 2010
by mongo
MCU digital input pins 3 4624 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4932 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10801 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6881 March 28, 2010
by carlhako
Laptop ground safety question 3 4961 March 27, 2010
by ese
LM34 R-C Damper 5 6537 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5257 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4518 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6568 March 23, 2010
by ese
constant system reset 3 4446 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5217 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6266 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5557 March 17, 2010
by Frozenlock
What is -VS? 6 8606 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6378 March 04, 2010
by treymd
Using MCU to connect two wires 3 5448 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10051 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4872 March 02, 2010
by Solorbob
Deciphering power resistors 11 5244 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4641 March 01, 2010
by nrotstan
Understanding LEDs 16 7796 March 01, 2010
by michaeldallas
What's the part I need? 5 4756 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11768 February 23, 2010
by rajabalu21
Too much power? 14 5490 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6170 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6091 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13507 February 18, 2010
by Rick_S
Serial port interface circuit 2 5653 February 17, 2010
by mongo
OBDII project 3 4721 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8265 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7444 February 13, 2010
by BobaMosfet
Digital pots 5 4961 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5262 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6099 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7508 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7668 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5533 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7241 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11045 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5866 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5113 December 27, 2009
by jgauthier
Servo Signal Noise 2 4675 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8009 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11456 December 10, 2009
by georgio
Relays and transistors 12 9469 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9516 December 09, 2009
by Rick_S
IR Detector 7 8982 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5710 November 19, 2009
by mikedoug
Debug with lcd 6 5666 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5156 November 15, 2009
by tech20
Understanding output pin characteristics 4 5031 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6972 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5306 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48763 October 30, 2009
by BobaMosfet
DIY header unit 2 5513 October 10, 2009
by rusirius
Thermostat Logging 6 7135 October 09, 2009
by luke
Understanding transistors 6 6844 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10804 October 07, 2009
by mikedoug
Currant booster 3 4662 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5648 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13626 August 27, 2009
by hevans
Which LED? 14 5397 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6425 August 07, 2009
by mongo
pull up, pull down resistors 7 17822 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11741 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7678 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7070 July 07, 2009
by sector0
Reset switch for circuit 3 5325 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31947 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6435 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5210 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5342 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5839 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5177 May 06, 2009
by paulip

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