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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8890 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8259 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6992 April 12, 2016
by Ralphxyz
USBasp Help! 3 5886 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8156 May 04, 2015
by mongo
Need to replace Wall Watt 16 5383 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5041 April 10, 2015
by Noter
My new 3D Printer 44 20617 April 07, 2015
by Rick_S
AtMega 644 2 5085 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4129 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4809 June 02, 2014
by JKITSON
Automated programming mode? 9 5091 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4663 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4702 January 28, 2014
by lailai
What kind of error is this? 4 4497 January 23, 2014
by Noter
How to double a DC voltage? 20 11906 January 12, 2014
by JKITSON
Is the code the driver? 2 4383 January 12, 2014
by Ralphxyz
Miniature headers 6 4600 January 01, 2014
by Ralphxyz
BLDC 8 4691 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5289 November 26, 2013
by Rick_S
GLCD SPI problems 14 8556 November 10, 2013
by andyi
Moving on... 7 4499 November 08, 2013
by Pr0ject
Power supply questions 4 6066 October 31, 2013
by sask55
OLED 4 4262 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16284 September 22, 2013
by sask55
Opto Interrupter once again 14 8952 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4675 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11697 September 02, 2013
by Ralphxyz
USB cable specifications 7 6233 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5202 August 27, 2013
by Affarram
XMEGA Breakout 8 5562 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4226 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4899 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4944 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11397 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16077 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4223 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4839 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66308 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4033 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4592 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8763 March 14, 2013
by mongo
Current vs Voltage 8 5663 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5242 March 09, 2013
by lnino
Electric current 2 4016 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6958 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9719 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9348 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5098 February 24, 2013
by lnino
Relay Question 27 8359 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8053 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5533 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5397 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5177 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4759 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5443 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4754 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5578 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4095 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4168 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4650 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10217 November 18, 2012
by carlhako
SPI slave clock 6 4889 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4271 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31207 October 23, 2012
by Noter
NPN circuit connection quandry 4 4849 September 24, 2012
by edb
Simple I/O circuit 4 4500 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4283 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4011 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6828 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4502 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6886 September 13, 2012
by dan_engbers
Electronics simulation 8 5134 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7290 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4410 August 20, 2012
by rblalock
louder sound 2 4176 August 18, 2012
by mongo
connector or cable for LCD display? 4 4396 August 13, 2012
by missle3944
Powering L.E.Ds 5 4526 August 09, 2012
by BobaMosfet
Wires in U.K 5 4997 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4906 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7915 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7567 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5364 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22901 July 21, 2012
by lnino
um help 6 3984 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5038 July 18, 2012
by Ralphxyz
help me 11 4897 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4284 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5611 June 24, 2012
by Ralphxyz
HELP 3 4039 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15025 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4144 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6073 June 17, 2012
by RogerFL
Programmable current source 6 6131 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5667 June 11, 2012
by mongo
HELP 6 4364 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4764 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52291 May 24, 2012
by Ralphxyz
i need a code 8 4769 May 15, 2012
by pcbolt
Clock Accuracy 30 9436 May 14, 2012
by HexManiac
Relays and Controlling them 9 4741 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5006 May 09, 2012
by RogerFL
Powering your NerdKit 7 4590 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4613 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7861 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5016 April 24, 2012
by pcbolt
Programs will not run 6 4508 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5142 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4802 April 09, 2012
by Ralphxyz
Path Lights controller 2 4369 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4481 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5030 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4582 April 01, 2012
by JamesFysh
Question on LCD screen 5 4583 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4553 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5879 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5492 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9220 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4666 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5958 March 15, 2012
by mongo
Digital servo issues! 9 5194 March 15, 2012
by Rick_S
Brushless motor control 16 5539 March 12, 2012
by hevans
Windows not detecting device 3 4335 March 10, 2012
by hevans
Voltage throught MCU 5 4342 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20232 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11981 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21311 March 01, 2012
by hevans
Up and running... 3 4132 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4795 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5148 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4379 February 24, 2012
by Rick_S
programming lcd trubs 7 4496 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5162 February 18, 2012
by Rick_S
Oscilloscope 15 6443 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10963 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5588 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4774 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11579 February 09, 2012
by mongo
Data transmission 3 5330 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5137 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6712 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4628 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4172 January 31, 2012
by tchilzer2
H bridge questions 6 4964 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4713 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5131 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5335 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8460 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4995 January 15, 2012
by Rick_S
Source of power? 19 5133 January 13, 2012
by mongo
symbol defined please? 4 4808 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18190 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4710 January 06, 2012
by boxvic
Basic LED circuit properties 8 4940 January 06, 2012
by boxvic
Getting Started 3 4406 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5594 January 02, 2012
by bodangly
SMD reflow 16 5706 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4666 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5327 December 23, 2011
by BobaMosfet
Potentiometer 8 6296 December 23, 2011
by huzbum
Fun with Op-Amps 3 6537 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5618 December 19, 2011
by n1cl3
Odessy of the minds 5 4854 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4236 November 27, 2011
by sazD
Initial Load 2 4890 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5612 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6296 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4953 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10134 November 10, 2011
by jfbrink
Servo Squitter Project 13 4695 November 09, 2011
by Heed
how do i run a program 4 4256 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4515 November 07, 2011
by Heed
Motor control question 2 4300 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10023 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4574 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4457 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96967 October 24, 2011
by glendon
Measuring Capacitance 9 5997 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4605 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6357 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23163 October 16, 2011
by sask55
RxD / TxD Questions 10 7859 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4688 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4582 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4869 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4371 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13941 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6069 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24558 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13294 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4314 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7895 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14027 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9003 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5449 September 01, 2011
by BobaMosfet
Dim LED 3 4273 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4784 August 23, 2011
by Twarter369
Easy Transistor Question 4 5433 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7203 August 18, 2011
by Ralphxyz
Building a coil?? 12 7198 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4691 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4334 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4176 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4106 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24259 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5439 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4848 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4555 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4602 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7392 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4259 July 17, 2011
by codenamejupiterx
avr macpack 3 4631 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4625 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4725 July 13, 2011
by BobaMosfet
Battery clip wires 3 4178 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4068 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4354 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4601 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5059 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25393 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4583 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4807 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6922 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4861 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4873 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4755 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5351 June 06, 2011
by mja
A couple of questions 3 4477 June 06, 2011
by Ralphxyz
How much should I strip? 3 4551 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5035 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4434 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4770 May 29, 2011
by Rick_S
Digital Input Question 4 4502 May 28, 2011
by frankdwest
PCB arrived 20 4486 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5131 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24171 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5089 May 09, 2011
by Noter
IR current 6 4780 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5509 May 04, 2011
by hariharan
Heat sensors 21 5883 May 04, 2011
by Hexorg
error 1 2 4381 May 02, 2011
by hevans
Transistor vs mosfet 13 12672 May 01, 2011
by Noter
PCB trace width calculator 3 5945 April 24, 2011
by esoderberg
OLED display 10 5664 April 23, 2011
by Rick_S
Power Supplies 17 6210 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4308 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5009 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4458 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5488 April 19, 2011
by mongo
Connecting to external control voltages 4 4429 April 19, 2011
by bretm
IR current question 7 4560 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5343 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5541 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4803 April 10, 2011
by uml_12
Basic projects 3 4478 April 09, 2011
by mongo
REFLOW oven 22 7436 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14804 April 07, 2011
by bretm
unexpected MCU rebooting 82 9488 April 05, 2011
by sask55
REFLOW Soldering 3 5430 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4773 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7124 March 30, 2011
by bretm
Black Display on LCD 6 4742 March 28, 2011
by Druidman
32kHz clock 2 4400 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11641 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12237 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6618 March 16, 2011
by mongo
LCD problem 3 4788 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5410 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5489 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4499 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8223 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5440 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5392 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12439 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9177 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6071 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9527 February 19, 2011
by Lusitania
My first Impression 6 4909 February 16, 2011
by devinsbusiness
Understanding battery life 3 6234 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5807 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5446 February 05, 2011
by BobaMosfet
High voltage lines 26 7641 February 02, 2011
by mongo
USB 3 4453 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5534 February 02, 2011
by Jalex
Alternating LED circuit 4 5407 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6744 January 31, 2011
by il1019
Affordable oscilloscopes 43 15057 January 27, 2011
by BStory
"And"gate unfinished thought 2 4611 January 27, 2011
by Hexorg
replace MCU? 30 9705 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5168 January 25, 2011
by Ralphxyz
Multimeter! 12 7462 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6109 January 25, 2011
by Jalex
My LED Cube so far 25 10884 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5897 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5333 January 18, 2011
by dgikuljot
Counting 5 4556 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9216 January 17, 2011
by bretm
Programming 5 5432 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5620 January 11, 2011
by Yourself
Begining 7 5703 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6085 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5416 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4736 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5265 January 06, 2011
by Mujda
Data input voltage 6 5272 January 03, 2011
by Rick_S
MOSFET Question 7 5415 December 31, 2010
by Keyster
Transistor as a switch 5 5461 December 29, 2010
by Hexorg
Resistors 5 5822 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10766 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5678 December 28, 2010
by BobaMosfet
Relay ratings 2 4985 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20333 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4815 December 17, 2010
by mongo
Power Rectifier 7 7112 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7453 December 14, 2010
by danuke
This a decent oscilloscope? 8 5228 December 14, 2010
by danuke
Do resistors in series really add up? 8 6651 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6049 December 09, 2010
by bretm
L293 H-Bridge 15 6739 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6952 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7116 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6020 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6542 November 24, 2010
by BobaMosfet
Op-amp not working 6 6816 November 24, 2010
by BobaMosfet
Python questions 4 5779 November 21, 2010
by tkopriva
CE Amp design 5 5325 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5221 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5084 November 05, 2010
by Mujda
PC4 not working?! 8 4939 November 04, 2010
by hapshetsut
Amplifiers 4 4887 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5753 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5842 October 04, 2010
by Scythium
radio interference from NerdKit 11 4978 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9603 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5448 September 11, 2010
by akajester
QFP and dreadboard 2 5351 September 02, 2010
by bretm
Getting power to the spinning part... 5 5207 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13166 August 30, 2010
by Ralphxyz
morse code decoder 2 5320 August 26, 2010
by jonathan_m
Connecting to Computer 3 5306 August 25, 2010
by awesome
555 astable on breadboard 12 6812 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4927 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5422 August 19, 2010
by hevans
mosfet 3 4686 August 13, 2010
by hevans
Good material on learning electronics. 8 5688 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4573 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7294 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6515 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9915 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6992 July 02, 2010
by mongo
Electro Cardio Gram 4 5869 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4633 June 12, 2010
by Wobbler
Voltage Regulator 20 6351 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5905 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6569 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6216 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5411 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4637 June 06, 2010
by Kafke
TSSOP IC! 4 5418 June 03, 2010
by mrobbins
AVcc 2 5652 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4849 May 31, 2010
by hevans
Cable Driver 2 4532 May 31, 2010
by mongo
Best 9V adapter to use 2 4972 May 28, 2010
by mongo
Unidirectional microphones 5 5214 May 27, 2010
by mongo
Servo question 3 4689 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5376 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5229 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6907 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11873 May 21, 2010
by hevans
Chinese Solenoid 15 5212 May 10, 2010
by treymd
avrisp mkii circuit 4 6415 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4754 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10112 May 07, 2010
by rajabalu21
Simple Power Switch 6 4840 May 05, 2010
by avicell
I can haz speed! 3 5194 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6698 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5539 April 21, 2010
by bretm
Help with choosing the right resistor 10 6642 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11403 April 15, 2010
by bretm
Resistor 4 4548 April 15, 2010
by mongo
MCU digital input pins 3 4754 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5034 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10928 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6991 March 28, 2010
by carlhako
Laptop ground safety question 3 5069 March 27, 2010
by ese
LM34 R-C Damper 5 6646 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5367 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4671 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6681 March 23, 2010
by ese
constant system reset 3 4558 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5334 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6420 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5662 March 17, 2010
by Frozenlock
What is -VS? 6 8733 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6473 March 04, 2010
by treymd
Using MCU to connect two wires 3 5557 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10353 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4994 March 02, 2010
by Solorbob
Deciphering power resistors 11 5382 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4763 March 01, 2010
by nrotstan
Understanding LEDs 16 7981 March 01, 2010
by michaeldallas
What's the part I need? 5 4871 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11915 February 23, 2010
by rajabalu21
Too much power? 14 5620 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6284 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6230 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13769 February 18, 2010
by Rick_S
Serial port interface circuit 2 5770 February 17, 2010
by mongo
OBDII project 3 4833 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8447 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7593 February 13, 2010
by BobaMosfet
Digital pots 5 5058 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5388 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6266 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7669 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7815 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5625 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7410 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11238 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6007 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5213 December 27, 2009
by jgauthier
Servo Signal Noise 2 4774 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8154 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11609 December 10, 2009
by georgio
Relays and transistors 12 9599 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9666 December 09, 2009
by Rick_S
IR Detector 7 9196 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5828 November 19, 2009
by mikedoug
Debug with lcd 6 5786 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5259 November 15, 2009
by tech20
Understanding output pin characteristics 4 5163 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7168 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5435 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49123 October 30, 2009
by BobaMosfet
DIY header unit 2 5614 October 10, 2009
by rusirius
Thermostat Logging 6 7278 October 09, 2009
by luke
Understanding transistors 6 6958 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10940 October 07, 2009
by mikedoug
Currant booster 3 4770 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5753 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13804 August 27, 2009
by hevans
Which LED? 14 5521 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6559 August 07, 2009
by mongo
pull up, pull down resistors 7 17980 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11965 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7807 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7197 July 07, 2009
by sector0
Reset switch for circuit 3 5432 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32064 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6566 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5328 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5485 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5954 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5299 May 06, 2009
by paulip

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Did you know that the microcontroller's crystal oscillator can be used to keep accurate time? Learn more...