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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 9029 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8381 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7097 April 12, 2016
by Ralphxyz
USBasp Help! 3 6000 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8289 May 04, 2015
by mongo
Need to replace Wall Watt 16 5513 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5141 April 10, 2015
by Noter
My new 3D Printer 44 20720 April 07, 2015
by Rick_S
AtMega 644 2 5160 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4212 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4899 June 02, 2014
by JKITSON
Automated programming mode? 9 5189 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4755 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4791 January 28, 2014
by lailai
What kind of error is this? 4 4567 January 23, 2014
by Noter
How to double a DC voltage? 20 12020 January 12, 2014
by JKITSON
Is the code the driver? 2 4474 January 12, 2014
by Ralphxyz
Miniature headers 6 4691 January 01, 2014
by Ralphxyz
BLDC 8 4784 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5383 November 26, 2013
by Rick_S
GLCD SPI problems 14 8650 November 10, 2013
by andyi
Moving on... 7 4578 November 08, 2013
by Pr0ject
Power supply questions 4 6158 October 31, 2013
by sask55
OLED 4 4348 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16447 September 22, 2013
by sask55
Opto Interrupter once again 14 9072 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4751 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11834 September 02, 2013
by Ralphxyz
USB cable specifications 7 6380 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5290 August 27, 2013
by Affarram
XMEGA Breakout 8 5659 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4306 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4986 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 5022 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11776 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16409 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4324 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4922 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66492 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4113 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4681 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8865 March 14, 2013
by mongo
Current vs Voltage 8 5752 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5333 March 09, 2013
by lnino
Electric current 2 4094 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7042 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9964 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9608 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5180 February 24, 2013
by lnino
Relay Question 27 8453 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8148 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5629 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5472 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5267 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4832 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5549 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4845 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5671 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4189 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4241 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4746 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10354 November 18, 2012
by carlhako
SPI slave clock 6 4977 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4353 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31663 October 23, 2012
by Noter
NPN circuit connection quandry 4 4928 September 24, 2012
by edb
Simple I/O circuit 4 4583 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4350 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4102 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6940 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4578 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6977 September 13, 2012
by dan_engbers
Electronics simulation 8 5209 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7393 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4486 August 20, 2012
by rblalock
louder sound 2 4258 August 18, 2012
by mongo
connector or cable for LCD display? 4 4474 August 13, 2012
by missle3944
Powering L.E.Ds 5 4609 August 09, 2012
by BobaMosfet
Wires in U.K 5 5074 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4994 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8149 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7664 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5472 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 23003 July 21, 2012
by lnino
um help 6 4067 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5121 July 18, 2012
by Ralphxyz
help me 11 4986 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4387 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5704 June 24, 2012
by Ralphxyz
HELP 3 4107 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15127 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4227 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6155 June 17, 2012
by RogerFL
Programmable current source 6 6228 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5746 June 11, 2012
by mongo
HELP 6 4448 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4851 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52673 May 24, 2012
by Ralphxyz
i need a code 8 4849 May 15, 2012
by pcbolt
Clock Accuracy 30 9522 May 14, 2012
by HexManiac
Relays and Controlling them 9 4836 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5091 May 09, 2012
by RogerFL
Powering your NerdKit 7 4669 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4699 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7974 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5082 April 24, 2012
by pcbolt
Programs will not run 6 4581 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5240 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4883 April 09, 2012
by Ralphxyz
Path Lights controller 2 4449 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4562 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5111 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4659 April 01, 2012
by JamesFysh
Question on LCD screen 5 4685 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4643 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5978 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5603 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9312 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4747 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6088 March 15, 2012
by mongo
Digital servo issues! 9 5298 March 15, 2012
by Rick_S
Brushless motor control 16 5628 March 12, 2012
by hevans
Windows not detecting device 3 4421 March 10, 2012
by hevans
Voltage throught MCU 5 4434 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20334 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12206 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21633 March 01, 2012
by hevans
Up and running... 3 4228 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4880 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5232 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4458 February 24, 2012
by Rick_S
programming lcd trubs 7 4569 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5247 February 18, 2012
by Rick_S
Oscilloscope 15 6540 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11076 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5677 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4860 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12187 February 09, 2012
by mongo
Data transmission 3 5404 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5214 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6798 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4728 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4247 January 31, 2012
by tchilzer2
H bridge questions 6 5041 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4793 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5211 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5421 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8551 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5082 January 15, 2012
by Rick_S
Source of power? 19 5239 January 13, 2012
by mongo
symbol defined please? 4 4881 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18314 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4795 January 06, 2012
by boxvic
Basic LED circuit properties 8 5019 January 06, 2012
by boxvic
Getting Started 3 4492 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5681 January 02, 2012
by bodangly
SMD reflow 16 5800 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4741 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5403 December 23, 2011
by BobaMosfet
Potentiometer 8 6406 December 23, 2011
by huzbum
Fun with Op-Amps 3 6624 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5700 December 19, 2011
by n1cl3
Odessy of the minds 5 4930 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4318 November 27, 2011
by sazD
Initial Load 2 4956 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5704 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6374 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 5019 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10210 November 10, 2011
by jfbrink
Servo Squitter Project 13 4783 November 09, 2011
by Heed
how do i run a program 4 4332 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4582 November 07, 2011
by Heed
Motor control question 2 4385 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10134 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4655 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4544 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97978 October 24, 2011
by glendon
Measuring Capacitance 9 6077 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4679 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6432 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23417 October 16, 2011
by sask55
RxD / TxD Questions 10 8038 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4771 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4667 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4951 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4450 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14374 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6145 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24703 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13430 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4385 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7988 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14133 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9120 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5531 September 01, 2011
by BobaMosfet
Dim LED 3 4352 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4862 August 23, 2011
by Twarter369
Easy Transistor Question 4 5525 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7478 August 18, 2011
by Ralphxyz
Building a coil?? 12 7297 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4769 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4422 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4245 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4186 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24358 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5512 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4922 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4628 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4668 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7496 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4339 July 17, 2011
by codenamejupiterx
avr macpack 3 4712 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4706 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4816 July 13, 2011
by BobaMosfet
Battery clip wires 3 4246 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4146 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4431 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4688 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5142 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25508 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4658 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4882 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 7020 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4956 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4966 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4833 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5474 June 06, 2011
by mja
A couple of questions 3 4573 June 06, 2011
by Ralphxyz
How much should I strip? 3 4621 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5109 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4519 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4839 May 29, 2011
by Rick_S
Digital Input Question 4 4580 May 28, 2011
by frankdwest
PCB arrived 20 4569 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5213 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24290 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5163 May 09, 2011
by Noter
IR current 6 4870 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5608 May 04, 2011
by hariharan
Heat sensors 21 5975 May 04, 2011
by Hexorg
error 1 2 4458 May 02, 2011
by hevans
Transistor vs mosfet 13 12783 May 01, 2011
by Noter
PCB trace width calculator 3 6017 April 24, 2011
by esoderberg
OLED display 10 5742 April 23, 2011
by Rick_S
Power Supplies 17 6298 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4377 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5088 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4547 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5575 April 19, 2011
by mongo
Connecting to external control voltages 4 4510 April 19, 2011
by bretm
IR current question 7 4634 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5427 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5622 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4876 April 10, 2011
by uml_12
Basic projects 3 4552 April 09, 2011
by mongo
REFLOW oven 22 7519 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14948 April 07, 2011
by bretm
unexpected MCU rebooting 82 9629 April 05, 2011
by sask55
REFLOW Soldering 3 5531 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4853 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7207 March 30, 2011
by bretm
Black Display on LCD 6 4819 March 28, 2011
by Druidman
32kHz clock 2 4472 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11786 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12392 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6690 March 16, 2011
by mongo
LCD problem 3 4860 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5493 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5564 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4569 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8317 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5532 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5455 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12520 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9278 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6153 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9613 February 19, 2011
by Lusitania
My first Impression 6 4993 February 16, 2011
by devinsbusiness
Understanding battery life 3 6325 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5872 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5525 February 05, 2011
by BobaMosfet
High voltage lines 26 7732 February 02, 2011
by mongo
USB 3 4523 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5611 February 02, 2011
by Jalex
Alternating LED circuit 4 5485 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6826 January 31, 2011
by il1019
Affordable oscilloscopes 43 15259 January 27, 2011
by BStory
"And"gate unfinished thought 2 4690 January 27, 2011
by Hexorg
replace MCU? 30 9812 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5264 January 25, 2011
by Ralphxyz
Multimeter! 12 7535 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6186 January 25, 2011
by Jalex
My LED Cube so far 25 10973 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5973 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5408 January 18, 2011
by dgikuljot
Counting 5 4649 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9296 January 17, 2011
by bretm
Programming 5 5521 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5703 January 11, 2011
by Yourself
Begining 7 5786 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6169 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5492 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4811 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5358 January 06, 2011
by Mujda
Data input voltage 6 5352 January 03, 2011
by Rick_S
MOSFET Question 7 5525 December 31, 2010
by Keyster
Transistor as a switch 5 5543 December 29, 2010
by Hexorg
Resistors 5 5905 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10860 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5761 December 28, 2010
by BobaMosfet
Relay ratings 2 5061 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20426 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4903 December 17, 2010
by mongo
Power Rectifier 7 7204 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7546 December 14, 2010
by danuke
This a decent oscilloscope? 8 5306 December 14, 2010
by danuke
Do resistors in series really add up? 8 6737 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6130 December 09, 2010
by bretm
L293 H-Bridge 15 6823 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7048 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7225 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6108 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6632 November 24, 2010
by BobaMosfet
Op-amp not working 6 6901 November 24, 2010
by BobaMosfet
Python questions 4 5855 November 21, 2010
by tkopriva
CE Amp design 5 5418 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5298 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5161 November 05, 2010
by Mujda
PC4 not working?! 8 5022 November 04, 2010
by hapshetsut
Amplifiers 4 4966 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5842 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5936 October 04, 2010
by Scythium
radio interference from NerdKit 11 5055 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9676 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5536 September 11, 2010
by akajester
QFP and dreadboard 2 5426 September 02, 2010
by bretm
Getting power to the spinning part... 5 5276 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13255 August 30, 2010
by Ralphxyz
morse code decoder 2 5390 August 26, 2010
by jonathan_m
Connecting to Computer 3 5370 August 25, 2010
by awesome
555 astable on breadboard 12 6883 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4999 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5495 August 19, 2010
by hevans
mosfet 3 4758 August 13, 2010
by hevans
Good material on learning electronics. 8 5773 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4647 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7402 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6594 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 10018 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7059 July 02, 2010
by mongo
Electro Cardio Gram 4 5956 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4700 June 12, 2010
by Wobbler
Voltage Regulator 20 6432 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5985 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6650 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6281 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5487 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4716 June 06, 2010
by Kafke
TSSOP IC! 4 5490 June 03, 2010
by mrobbins
AVcc 2 5720 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4935 May 31, 2010
by hevans
Cable Driver 2 4611 May 31, 2010
by mongo
Best 9V adapter to use 2 5042 May 28, 2010
by mongo
Unidirectional microphones 5 5275 May 27, 2010
by mongo
Servo question 3 4777 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5450 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5307 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6977 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11979 May 21, 2010
by hevans
Chinese Solenoid 15 5307 May 10, 2010
by treymd
avrisp mkii circuit 4 6480 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4832 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10222 May 07, 2010
by rajabalu21
Simple Power Switch 6 4918 May 05, 2010
by avicell
I can haz speed! 3 5275 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6793 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5625 April 21, 2010
by bretm
Help with choosing the right resistor 10 6717 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11507 April 15, 2010
by bretm
Resistor 4 4635 April 15, 2010
by mongo
MCU digital input pins 3 4834 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5131 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 11002 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7064 March 28, 2010
by carlhako
Laptop ground safety question 3 5135 March 27, 2010
by ese
LM34 R-C Damper 5 6739 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5436 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4740 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6755 March 23, 2010
by ese
constant system reset 3 4634 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5410 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6500 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5734 March 17, 2010
by Frozenlock
What is -VS? 6 8817 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6546 March 04, 2010
by treymd
Using MCU to connect two wires 3 5628 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10466 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5066 March 02, 2010
by Solorbob
Deciphering power resistors 11 5462 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4833 March 01, 2010
by nrotstan
Understanding LEDs 16 8066 March 01, 2010
by michaeldallas
What's the part I need? 5 4945 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 12001 February 23, 2010
by rajabalu21
Too much power? 14 5697 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6354 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6319 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13868 February 18, 2010
by Rick_S
Serial port interface circuit 2 5848 February 17, 2010
by mongo
OBDII project 3 4903 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8525 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7683 February 13, 2010
by BobaMosfet
Digital pots 5 5145 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5461 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6343 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7753 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7902 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5695 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7504 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11402 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6098 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5290 December 27, 2009
by jgauthier
Servo Signal Noise 2 4849 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8233 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11706 December 10, 2009
by georgio
Relays and transistors 12 9680 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9737 December 09, 2009
by Rick_S
IR Detector 7 9296 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5898 November 19, 2009
by mikedoug
Debug with lcd 6 5863 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5317 November 15, 2009
by tech20
Understanding output pin characteristics 4 5237 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7250 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5524 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49421 October 30, 2009
by BobaMosfet
DIY header unit 2 5698 October 10, 2009
by rusirius
Thermostat Logging 6 7365 October 09, 2009
by luke
Understanding transistors 6 7023 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 11011 October 07, 2009
by mikedoug
Currant booster 3 4851 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5822 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13893 August 27, 2009
by hevans
Which LED? 14 5600 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6641 August 07, 2009
by mongo
pull up, pull down resistors 7 18059 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12081 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7891 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7286 July 07, 2009
by sector0
Reset switch for circuit 3 5503 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32156 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6642 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5398 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5563 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 6023 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5375 May 06, 2009
by paulip

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