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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8621 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8054 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6804 April 12, 2016
by Ralphxyz
USBasp Help! 3 5711 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7918 May 04, 2015
by mongo
Need to replace Wall Watt 16 5217 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 4976 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4026 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4647 June 02, 2014
by JKITSON
Automated programming mode? 9 4943 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 4527 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 11729 January 12, 2014
by JKITSON
Is the code the driver? 2 4217 January 12, 2014
by Ralphxyz
Miniature headers 6 4498 January 01, 2014
by Ralphxyz
BLDC 8 4546 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5110 November 26, 2013
by Rick_S
GLCD SPI problems 14 8399 November 10, 2013
by andyi
Moving on... 7 4371 November 08, 2013
by Pr0ject
Power supply questions 4 5875 October 31, 2013
by sask55
OLED 4 4112 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16017 September 22, 2013
by sask55
Opto Interrupter once again 14 8744 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4561 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11474 September 02, 2013
by Ralphxyz
USB cable specifications 7 5972 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4999 August 27, 2013
by Affarram
XMEGA Breakout 8 5394 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4107 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4774 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4807 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 15637 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4086 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4708 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65881 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 4417 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8576 March 14, 2013
by mongo
Current vs Voltage 8 5511 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5126 March 09, 2013
by lnino
Electric current 2 3908 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6846 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9519 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8944 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4951 February 24, 2013
by lnino
Relay Question 27 8195 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7864 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5382 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5290 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5031 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 4597 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5450 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 4752 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 30744 October 23, 2012
by Noter
NPN circuit connection quandry 4 4730 September 24, 2012
by edb
Simple I/O circuit 4 4383 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4175 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 6584 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 4071 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 4890 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 7426 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5200 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22696 July 21, 2012
by lnino
um help 6 3881 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4912 July 18, 2012
by Ralphxyz
help me 11 4770 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4174 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 14826 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4036 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5959 June 17, 2012
by RogerFL
Programmable current source 6 5903 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 50336 May 24, 2012
by Ralphxyz
i need a code 8 4647 May 15, 2012
by pcbolt
Clock Accuracy 30 9295 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 4469 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4495 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7689 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 5004 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 4374 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 4468 April 01, 2012
by JamesFysh
Question on LCD screen 5 4475 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4420 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5710 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5347 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9046 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 5058 March 15, 2012
by Rick_S
Brushless motor control 16 5411 March 12, 2012
by hevans
Windows not detecting device 3 4209 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 20887 March 01, 2012
by hevans
Up and running... 3 4009 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4673 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5031 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4254 February 24, 2012
by Rick_S
programming lcd trubs 7 4311 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 10761 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5469 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4652 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 5018 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6584 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 4582 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 5192 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8316 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4855 January 15, 2012
by Rick_S
Source of power? 19 4977 January 13, 2012
by mongo
symbol defined please? 4 4704 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17866 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 5577 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4547 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5227 December 23, 2011
by BobaMosfet
Potentiometer 8 6130 December 23, 2011
by huzbum
Fun with Op-Amps 3 6388 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 4782 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 9952 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 4408 November 07, 2011
by Heed
Motor control question 2 4205 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9797 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 96112 October 24, 2011
by glendon
Measuring Capacitance 9 5872 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4499 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6231 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22703 October 16, 2011
by sask55
RxD / TxD Questions 10 7643 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4578 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4475 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4766 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4276 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13491 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5933 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24331 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12967 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 13699 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8865 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5314 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 5296 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7022 August 18, 2011
by Ralphxyz
Building a coil?? 12 7058 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4581 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 24029 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5328 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4742 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4451 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 4148 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 4579 July 13, 2011
by BobaMosfet
Battery clip wires 3 4091 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3953 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4255 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4486 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4885 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25164 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 6774 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 4746 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4665 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5199 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 4383 May 28, 2011
by frankdwest
PCB arrived 20 4377 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5024 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23919 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4969 May 09, 2011
by Noter
IR current 6 4684 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5389 May 04, 2011
by hariharan
Heat sensors 21 5759 May 04, 2011
by Hexorg
error 1 2 4220 May 02, 2011
by hevans
Transistor vs mosfet 13 12471 May 01, 2011
by Noter
PCB trace width calculator 3 5837 April 24, 2011
by esoderberg
OLED display 10 5523 April 23, 2011
by Rick_S
Power Supplies 17 6098 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4205 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4920 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4344 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5370 April 19, 2011
by mongo
Connecting to external control voltages 4 4331 April 19, 2011
by bretm
IR current question 7 4444 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5229 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5409 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 7305 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14548 April 07, 2011
by bretm
unexpected MCU rebooting 82 9313 April 05, 2011
by sask55
REFLOW Soldering 3 5283 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4670 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6994 March 30, 2011
by bretm
Black Display on LCD 6 4643 March 28, 2011
by Druidman
32kHz clock 2 4286 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11430 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11880 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6475 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 5278 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 8035 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5316 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 12316 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8966 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5937 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9400 February 19, 2011
by Lusitania
My first Impression 6 4782 February 16, 2011
by devinsbusiness
Understanding battery life 3 6060 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5687 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 4355 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5397 February 02, 2011
by Jalex
Alternating LED circuit 4 5294 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6621 January 31, 2011
by il1019
Affordable oscilloscopes 43 14655 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 5043 January 25, 2011
by Ralphxyz
Multimeter! 12 7335 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5980 January 25, 2011
by Jalex
My LED Cube so far 25 10760 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5804 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5223 January 18, 2011
by dgikuljot
Counting 5 4426 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9067 January 17, 2011
by bretm
Programming 5 5283 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5505 January 11, 2011
by Yourself
Begining 7 5576 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 4606 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 5297 December 31, 2010
by Keyster
Transistor as a switch 5 5325 December 29, 2010
by Hexorg
Resistors 5 5683 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10552 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5536 December 28, 2010
by BobaMosfet
Relay ratings 2 4867 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20155 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4710 December 17, 2010
by mongo
Power Rectifier 7 6222 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7283 December 14, 2010
by danuke
This a decent oscilloscope? 8 5107 December 14, 2010
by danuke
Do resistors in series really add up? 8 6496 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5916 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 6397 November 24, 2010
by BobaMosfet
Op-amp not working 6 6698 November 24, 2010
by BobaMosfet
Python questions 4 5668 November 21, 2010
by tkopriva
CE Amp design 5 5168 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 4808 November 04, 2010
by hapshetsut
Amplifiers 4 4781 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5634 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5725 October 04, 2010
by Scythium
radio interference from NerdKit 11 4824 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9467 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5337 September 11, 2010
by akajester
QFP and dreadboard 2 5230 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 12996 August 30, 2010
by Ralphxyz
morse code decoder 2 5220 August 26, 2010
by jonathan_m
Connecting to Computer 3 5185 August 25, 2010
by awesome
555 astable on breadboard 12 6709 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 5322 August 19, 2010
by hevans
mosfet 3 4583 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 7106 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 9699 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6869 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 6231 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5771 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 5288 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 4412 May 31, 2010
by mongo
Best 9V adapter to use 2 4856 May 28, 2010
by mongo
Unidirectional microphones 5 5090 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 5111 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 6577 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5414 April 21, 2010
by bretm
Help with choosing the right resistor 10 6519 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11116 April 15, 2010
by bretm
Resistor 4 4441 April 15, 2010
by mongo
MCU digital input pins 3 4625 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4932 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10802 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6883 March 28, 2010
by carlhako
Laptop ground safety question 3 4961 March 27, 2010
by ese
LM34 R-C Damper 5 6538 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 6570 March 23, 2010
by ese
constant system reset 3 4447 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5219 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 5558 March 17, 2010
by Frozenlock
What is -VS? 6 8606 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6379 March 04, 2010
by treymd
Using MCU to connect two wires 3 5449 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10053 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 5246 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4641 March 01, 2010
by nrotstan
Understanding LEDs 16 7797 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 11769 February 23, 2010
by rajabalu21
Too much power? 14 5491 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 6093 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13510 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 8266 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 6100 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7510 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7669 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 7242 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11047 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5868 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5113 December 27, 2009
by jgauthier
Servo Signal Noise 2 4676 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 11457 December 10, 2009
by georgio
Relays and transistors 12 9469 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9517 December 09, 2009
by Rick_S
IR Detector 7 8982 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5711 November 19, 2009
by mikedoug
Debug with lcd 6 5667 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5157 November 15, 2009
by tech20
Understanding output pin characteristics 4 5033 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6973 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 48766 October 30, 2009
by BobaMosfet
DIY header unit 2 5514 October 10, 2009
by rusirius
Thermostat Logging 6 7135 October 09, 2009
by luke
Understanding transistors 6 6845 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10806 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 5398 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6427 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 11743 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7679 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7071 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 6437 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5211 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 5840 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5177 May 06, 2009
by paulip

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