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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8974 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8335 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7050 April 12, 2016
by Ralphxyz
USBasp Help! 3 5961 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8237 May 04, 2015
by mongo
Need to replace Wall Watt 16 5450 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5106 April 10, 2015
by Noter
My new 3D Printer 44 20685 April 07, 2015
by Rick_S
AtMega 644 2 5131 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4176 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4865 June 02, 2014
by JKITSON
Automated programming mode? 9 5154 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4721 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4752 January 28, 2014
by lailai
What kind of error is this? 4 4540 January 23, 2014
by Noter
How to double a DC voltage? 20 11977 January 12, 2014
by JKITSON
Is the code the driver? 2 4441 January 12, 2014
by Ralphxyz
Miniature headers 6 4657 January 01, 2014
by Ralphxyz
BLDC 8 4748 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5344 November 26, 2013
by Rick_S
GLCD SPI problems 14 8611 November 10, 2013
by andyi
Moving on... 7 4546 November 08, 2013
by Pr0ject
Power supply questions 4 6123 October 31, 2013
by sask55
OLED 4 4318 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16363 September 22, 2013
by sask55
Opto Interrupter once again 14 9017 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4725 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11774 September 02, 2013
by Ralphxyz
USB cable specifications 7 6312 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5251 August 27, 2013
by Affarram
XMEGA Breakout 8 5621 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4271 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4949 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4992 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11686 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16341 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4289 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4888 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66411 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4081 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4648 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8824 March 14, 2013
by mongo
Current vs Voltage 8 5716 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5296 March 09, 2013
by lnino
Electric current 2 4062 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 7006 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9904 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9522 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5143 February 24, 2013
by lnino
Relay Question 27 8411 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8104 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5593 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5441 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5224 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4800 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5505 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4806 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5629 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4148 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4214 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4706 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10310 November 18, 2012
by carlhako
SPI slave clock 6 4943 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4322 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31571 October 23, 2012
by Noter
NPN circuit connection quandry 4 4898 September 24, 2012
by edb
Simple I/O circuit 4 4553 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4320 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4067 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6892 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4547 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6940 September 13, 2012
by dan_engbers
Electronics simulation 8 5177 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7351 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4458 August 20, 2012
by rblalock
louder sound 2 4224 August 18, 2012
by mongo
connector or cable for LCD display? 4 4444 August 13, 2012
by missle3944
Powering L.E.Ds 5 4568 August 09, 2012
by BobaMosfet
Wires in U.K 5 5040 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4957 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 8097 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7627 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5426 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22957 July 21, 2012
by lnino
um help 6 4031 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5087 July 18, 2012
by Ralphxyz
help me 11 4946 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4347 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5666 June 24, 2012
by Ralphxyz
HELP 3 4077 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15087 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4193 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6119 June 17, 2012
by RogerFL
Programmable current source 6 6186 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5715 June 11, 2012
by mongo
HELP 6 4411 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4815 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52573 May 24, 2012
by Ralphxyz
i need a code 8 4813 May 15, 2012
by pcbolt
Clock Accuracy 30 9484 May 14, 2012
by HexManiac
Relays and Controlling them 9 4794 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5060 May 09, 2012
by RogerFL
Powering your NerdKit 7 4632 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4665 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7921 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5055 April 24, 2012
by pcbolt
Programs will not run 6 4549 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5204 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4849 April 09, 2012
by Ralphxyz
Path Lights controller 2 4414 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4530 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5078 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4625 April 01, 2012
by JamesFysh
Question on LCD screen 5 4647 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4602 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5942 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5545 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9274 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4713 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 6034 March 15, 2012
by mongo
Digital servo issues! 9 5258 March 15, 2012
by Rick_S
Brushless motor control 16 5590 March 12, 2012
by hevans
Windows not detecting device 3 4384 March 10, 2012
by hevans
Voltage throught MCU 5 4396 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20295 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 12150 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21567 March 01, 2012
by hevans
Up and running... 3 4180 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4842 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5200 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4424 February 24, 2012
by Rick_S
programming lcd trubs 7 4538 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5213 February 18, 2012
by Rick_S
Oscilloscope 15 6502 February 18, 2012
by Osarus
How far away can a LM34 be? 16 11019 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5640 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4824 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 12122 February 09, 2012
by mongo
Data transmission 3 5375 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5185 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6759 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4686 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4215 January 31, 2012
by tchilzer2
H bridge questions 6 5011 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4757 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5177 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5383 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8517 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5044 January 15, 2012
by Rick_S
Source of power? 19 5189 January 13, 2012
by mongo
symbol defined please? 4 4850 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18252 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4758 January 06, 2012
by boxvic
Basic LED circuit properties 8 4983 January 06, 2012
by boxvic
Getting Started 3 4454 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5643 January 02, 2012
by bodangly
SMD reflow 16 5761 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4707 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5370 December 23, 2011
by BobaMosfet
Potentiometer 8 6356 December 23, 2011
by huzbum
Fun with Op-Amps 3 6588 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5665 December 19, 2011
by n1cl3
Odessy of the minds 5 4896 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4283 November 27, 2011
by sazD
Initial Load 2 4923 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5666 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6340 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4996 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10179 November 10, 2011
by jfbrink
Servo Squitter Project 13 4749 November 09, 2011
by Heed
how do i run a program 4 4300 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4556 November 07, 2011
by Heed
Motor control question 2 4344 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10080 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4623 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4510 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97857 October 24, 2011
by glendon
Measuring Capacitance 9 6042 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4648 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6402 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23329 October 16, 2011
by sask55
RxD / TxD Questions 10 7985 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4738 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4630 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4916 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4415 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 14306 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6114 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24631 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13360 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4355 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7948 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14088 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9069 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5500 September 01, 2011
by BobaMosfet
Dim LED 3 4322 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4828 August 23, 2011
by Twarter369
Easy Transistor Question 4 5481 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7440 August 18, 2011
by Ralphxyz
Building a coil?? 12 7255 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4734 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4388 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4215 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4158 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24321 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5482 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4892 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4598 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4638 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7451 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4302 July 17, 2011
by codenamejupiterx
avr macpack 3 4681 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4668 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4779 July 13, 2011
by BobaMosfet
Battery clip wires 3 4213 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4113 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4400 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4653 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5110 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25467 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4630 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4852 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6983 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4921 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4934 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4801 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5438 June 06, 2011
by mja
A couple of questions 3 4536 June 06, 2011
by Ralphxyz
How much should I strip? 3 4591 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5077 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4482 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4811 May 29, 2011
by Rick_S
Digital Input Question 4 4546 May 28, 2011
by frankdwest
PCB arrived 20 4533 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5183 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24237 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5134 May 09, 2011
by Noter
IR current 6 4833 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5566 May 04, 2011
by hariharan
Heat sensors 21 5940 May 04, 2011
by Hexorg
error 1 2 4425 May 02, 2011
by hevans
Transistor vs mosfet 13 12735 May 01, 2011
by Noter
PCB trace width calculator 3 5987 April 24, 2011
by esoderberg
OLED display 10 5711 April 23, 2011
by Rick_S
Power Supplies 17 6259 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4350 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5057 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4512 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5542 April 19, 2011
by mongo
Connecting to external control voltages 4 4478 April 19, 2011
by bretm
IR current question 7 4600 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5394 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5587 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4846 April 10, 2011
by uml_12
Basic projects 3 4523 April 09, 2011
by mongo
REFLOW oven 22 7484 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14901 April 07, 2011
by bretm
unexpected MCU rebooting 82 9572 April 05, 2011
by sask55
REFLOW Soldering 3 5492 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4819 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7170 March 30, 2011
by bretm
Black Display on LCD 6 4784 March 28, 2011
by Druidman
32kHz clock 2 4436 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11720 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12322 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6659 March 16, 2011
by mongo
LCD problem 3 4827 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5460 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5536 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4537 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8280 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5498 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5427 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12486 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9239 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6117 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9579 February 19, 2011
by Lusitania
My first Impression 6 4958 February 16, 2011
by devinsbusiness
Understanding battery life 3 6287 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5842 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5489 February 05, 2011
by BobaMosfet
High voltage lines 26 7694 February 02, 2011
by mongo
USB 3 4493 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5579 February 02, 2011
by Jalex
Alternating LED circuit 4 5449 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6795 January 31, 2011
by il1019
Affordable oscilloscopes 43 15200 January 27, 2011
by BStory
"And"gate unfinished thought 2 4651 January 27, 2011
by Hexorg
replace MCU? 30 9768 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5221 January 25, 2011
by Ralphxyz
Multimeter! 12 7511 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6156 January 25, 2011
by Jalex
My LED Cube so far 25 10936 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5941 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5376 January 18, 2011
by dgikuljot
Counting 5 4606 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9264 January 17, 2011
by bretm
Programming 5 5484 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5666 January 11, 2011
by Yourself
Begining 7 5753 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6133 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5456 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4780 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5320 January 06, 2011
by Mujda
Data input voltage 6 5317 January 03, 2011
by Rick_S
MOSFET Question 7 5476 December 31, 2010
by Keyster
Transistor as a switch 5 5507 December 29, 2010
by Hexorg
Resistors 5 5863 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10820 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5727 December 28, 2010
by BobaMosfet
Relay ratings 2 5026 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20379 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4862 December 17, 2010
by mongo
Power Rectifier 7 7164 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7502 December 14, 2010
by danuke
This a decent oscilloscope? 8 5273 December 14, 2010
by danuke
Do resistors in series really add up? 8 6704 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6097 December 09, 2010
by bretm
L293 H-Bridge 15 6783 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 7006 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7169 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6075 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6597 November 24, 2010
by BobaMosfet
Op-amp not working 6 6868 November 24, 2010
by BobaMosfet
Python questions 4 5822 November 21, 2010
by tkopriva
CE Amp design 5 5383 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5262 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5125 November 05, 2010
by Mujda
PC4 not working?! 8 4983 November 04, 2010
by hapshetsut
Amplifiers 4 4934 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5805 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5901 October 04, 2010
by Scythium
radio interference from NerdKit 11 5024 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9646 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5495 September 11, 2010
by akajester
QFP and dreadboard 2 5394 September 02, 2010
by bretm
Getting power to the spinning part... 5 5246 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13218 August 30, 2010
by Ralphxyz
morse code decoder 2 5362 August 26, 2010
by jonathan_m
Connecting to Computer 3 5341 August 25, 2010
by awesome
555 astable on breadboard 12 6853 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4969 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5465 August 19, 2010
by hevans
mosfet 3 4731 August 13, 2010
by hevans
Good material on learning electronics. 8 5734 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4614 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7359 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6555 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9975 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7031 July 02, 2010
by mongo
Electro Cardio Gram 4 5918 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4672 June 12, 2010
by Wobbler
Voltage Regulator 20 6397 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5943 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6615 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6250 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5454 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4682 June 06, 2010
by Kafke
TSSOP IC! 4 5457 June 03, 2010
by mrobbins
AVcc 2 5686 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4896 May 31, 2010
by hevans
Cable Driver 2 4575 May 31, 2010
by mongo
Best 9V adapter to use 2 5009 May 28, 2010
by mongo
Unidirectional microphones 5 5245 May 27, 2010
by mongo
Servo question 3 4745 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5421 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5276 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6947 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11942 May 21, 2010
by hevans
Chinese Solenoid 15 5257 May 10, 2010
by treymd
avrisp mkii circuit 4 6453 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4797 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10174 May 07, 2010
by rajabalu21
Simple Power Switch 6 4880 May 05, 2010
by avicell
I can haz speed! 3 5237 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6753 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5594 April 21, 2010
by bretm
Help with choosing the right resistor 10 6683 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11462 April 15, 2010
by bretm
Resistor 4 4597 April 15, 2010
by mongo
MCU digital input pins 3 4799 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5084 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10967 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 7030 March 28, 2010
by carlhako
Laptop ground safety question 3 5103 March 27, 2010
by ese
LM34 R-C Damper 5 6693 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5405 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4710 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6720 March 23, 2010
by ese
constant system reset 3 4601 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5380 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6466 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5701 March 17, 2010
by Frozenlock
What is -VS? 6 8779 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6513 March 04, 2010
by treymd
Using MCU to connect two wires 3 5598 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10415 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5035 March 02, 2010
by Solorbob
Deciphering power resistors 11 5426 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4801 March 01, 2010
by nrotstan
Understanding LEDs 16 8032 March 01, 2010
by michaeldallas
What's the part I need? 5 4910 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11958 February 23, 2010
by rajabalu21
Too much power? 14 5662 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6322 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6278 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13823 February 18, 2010
by Rick_S
Serial port interface circuit 2 5810 February 17, 2010
by mongo
OBDII project 3 4871 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8481 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7644 February 13, 2010
by BobaMosfet
Digital pots 5 5103 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5430 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6305 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7714 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7870 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5663 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7463 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11368 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6056 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5259 December 27, 2009
by jgauthier
Servo Signal Noise 2 4818 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8201 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11663 December 10, 2009
by georgio
Relays and transistors 12 9643 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9703 December 09, 2009
by Rick_S
IR Detector 7 9254 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5864 November 19, 2009
by mikedoug
Debug with lcd 6 5825 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5289 November 15, 2009
by tech20
Understanding output pin characteristics 4 5204 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7217 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5484 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49358 October 30, 2009
by BobaMosfet
DIY header unit 2 5653 October 10, 2009
by rusirius
Thermostat Logging 6 7326 October 09, 2009
by luke
Understanding transistors 6 6993 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10987 October 07, 2009
by mikedoug
Currant booster 3 4809 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5790 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13853 August 27, 2009
by hevans
Which LED? 14 5565 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6606 August 07, 2009
by mongo
pull up, pull down resistors 7 18023 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 12033 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7849 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7243 July 07, 2009
by sector0
Reset switch for circuit 3 5470 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32119 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6608 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5364 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5530 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5992 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5341 May 06, 2009
by paulip

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Did you know that hobby servos are controlled through a particular kind of PWM (Pulse Width Modulation) signal? Learn more...