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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8660 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8072 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6818 April 12, 2016
by Ralphxyz
USBasp Help! 3 5723 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7937 May 04, 2015
by mongo
Need to replace Wall Watt 16 5237 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4900 April 10, 2015
by Noter
My new 3D Printer 44 20464 April 07, 2015
by Rick_S
AtMega 644 2 4985 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4032 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4658 June 02, 2014
by JKITSON
Automated programming mode? 9 4953 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4546 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4544 January 28, 2014
by lailai
What kind of error is this? 4 4404 January 23, 2014
by Noter
How to double a DC voltage? 20 11744 January 12, 2014
by JKITSON
Is the code the driver? 2 4234 January 12, 2014
by Ralphxyz
Miniature headers 6 4505 January 01, 2014
by Ralphxyz
BLDC 8 4558 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5121 November 26, 2013
by Rick_S
GLCD SPI problems 14 8411 November 10, 2013
by andyi
Moving on... 7 4377 November 08, 2013
by Pr0ject
Power supply questions 4 5890 October 31, 2013
by sask55
OLED 4 4126 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16042 September 22, 2013
by sask55
Opto Interrupter once again 14 8761 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4570 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11489 September 02, 2013
by Ralphxyz
USB cable specifications 7 5988 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5018 August 27, 2013
by Affarram
XMEGA Breakout 8 5403 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4114 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4783 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4816 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11015 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15661 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4096 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4722 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65908 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3924 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4428 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8588 March 14, 2013
by mongo
Current vs Voltage 8 5520 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5134 March 09, 2013
by lnino
Electric current 2 3916 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6854 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9534 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8960 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4963 February 24, 2013
by lnino
Relay Question 27 8210 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7875 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5394 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5300 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5041 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4649 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5263 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4612 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5460 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3985 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4076 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4565 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9954 November 18, 2012
by carlhako
SPI slave clock 6 4762 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4170 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30787 October 23, 2012
by Noter
NPN circuit connection quandry 4 4738 September 24, 2012
by edb
Simple I/O circuit 4 4392 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4183 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3849 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6600 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4402 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6772 September 13, 2012
by dan_engbers
Electronics simulation 8 5042 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7145 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4307 August 20, 2012
by rblalock
louder sound 2 4080 August 18, 2012
by mongo
connector or cable for LCD display? 4 4300 August 13, 2012
by missle3944
Powering L.E.Ds 5 4422 August 09, 2012
by BobaMosfet
Wires in U.K 5 4896 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4801 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7732 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7436 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5208 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22708 July 21, 2012
by lnino
um help 6 3892 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4920 July 18, 2012
by Ralphxyz
help me 11 4781 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4181 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5465 June 24, 2012
by Ralphxyz
HELP 3 3934 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14835 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4042 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5965 June 17, 2012
by RogerFL
Programmable current source 6 5920 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5551 June 11, 2012
by mongo
HELP 6 4256 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4638 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50360 May 24, 2012
by Ralphxyz
i need a code 8 4661 May 15, 2012
by pcbolt
Clock Accuracy 30 9302 May 14, 2012
by HexManiac
Relays and Controlling them 9 4621 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4898 May 09, 2012
by RogerFL
Powering your NerdKit 7 4476 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4503 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7699 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4923 April 24, 2012
by pcbolt
Programs will not run 6 4388 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5011 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4697 April 09, 2012
by Ralphxyz
Path Lights controller 2 4255 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4381 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4895 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4475 April 01, 2012
by JamesFysh
Question on LCD screen 5 4483 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4424 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5724 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5357 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9059 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4563 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5721 March 15, 2012
by mongo
Digital servo issues! 9 5068 March 15, 2012
by Rick_S
Brushless motor control 16 5420 March 12, 2012
by hevans
Windows not detecting device 3 4214 March 10, 2012
by hevans
Voltage throught MCU 5 4230 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20016 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11777 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20906 March 01, 2012
by hevans
Up and running... 3 4019 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4680 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5039 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4265 February 24, 2012
by Rick_S
programming lcd trubs 7 4320 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5044 February 18, 2012
by Rick_S
Oscilloscope 15 6315 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10786 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5478 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4663 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11226 February 09, 2012
by mongo
Data transmission 3 5227 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5028 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6597 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4512 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4079 January 31, 2012
by tchilzer2
H bridge questions 6 4853 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4591 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4990 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5207 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8323 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4861 January 15, 2012
by Rick_S
Source of power? 19 4991 January 13, 2012
by mongo
symbol defined please? 4 4713 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17884 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4604 January 06, 2012
by boxvic
Basic LED circuit properties 8 4821 January 06, 2012
by boxvic
Getting Started 3 4303 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5492 January 02, 2012
by bodangly
SMD reflow 16 5583 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4556 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5234 December 23, 2011
by BobaMosfet
Potentiometer 8 6151 December 23, 2011
by huzbum
Fun with Op-Amps 3 6401 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5470 December 19, 2011
by n1cl3
Odessy of the minds 5 4755 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4123 November 27, 2011
by sazD
Initial Load 2 4791 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5483 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6175 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4847 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9968 November 10, 2011
by jfbrink
Servo Squitter Project 13 4585 November 09, 2011
by Heed
how do i run a program 4 4167 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4415 November 07, 2011
by Heed
Motor control question 2 4214 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9803 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4457 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4351 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96165 October 24, 2011
by glendon
Measuring Capacitance 9 5879 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4508 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6244 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22734 October 16, 2011
by sask55
RxD / TxD Questions 10 7654 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4586 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4483 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4776 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4283 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13524 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5943 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24345 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12990 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4218 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7765 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13720 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8874 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5322 September 01, 2011
by BobaMosfet
Dim LED 3 4153 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4681 August 23, 2011
by Twarter369
Easy Transistor Question 4 5306 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7031 August 18, 2011
by Ralphxyz
Building a coil?? 12 7070 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4589 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4235 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4065 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4011 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24051 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5337 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4748 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4459 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4502 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7273 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4158 July 17, 2011
by codenamejupiterx
avr macpack 3 4534 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4510 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4592 July 13, 2011
by BobaMosfet
Battery clip wires 3 4097 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3959 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4261 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4496 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4901 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25181 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4468 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4698 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6785 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4735 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4752 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4670 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5215 June 06, 2011
by mja
A couple of questions 3 4377 June 06, 2011
by Ralphxyz
How much should I strip? 3 4443 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4935 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4314 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4650 May 29, 2011
by Rick_S
Digital Input Question 4 4391 May 28, 2011
by frankdwest
PCB arrived 20 4386 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5033 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23934 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4976 May 09, 2011
by Noter
IR current 6 4694 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5398 May 04, 2011
by hariharan
Heat sensors 21 5767 May 04, 2011
by Hexorg
error 1 2 4233 May 02, 2011
by hevans
Transistor vs mosfet 13 12485 May 01, 2011
by Noter
PCB trace width calculator 3 5848 April 24, 2011
by esoderberg
OLED display 10 5538 April 23, 2011
by Rick_S
Power Supplies 17 6111 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4214 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4927 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4353 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5379 April 19, 2011
by mongo
Connecting to external control voltages 4 4339 April 19, 2011
by bretm
IR current question 7 4454 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5239 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5417 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4706 April 10, 2011
by uml_12
Basic projects 3 4373 April 09, 2011
by mongo
REFLOW oven 22 7316 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14568 April 07, 2011
by bretm
unexpected MCU rebooting 82 9322 April 05, 2011
by sask55
REFLOW Soldering 3 5293 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4677 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7004 March 30, 2011
by bretm
Black Display on LCD 6 4652 March 28, 2011
by Druidman
32kHz clock 2 4294 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11439 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11906 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6487 March 16, 2011
by mongo
LCD problem 3 4697 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5289 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5397 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4400 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8053 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5328 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5274 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12326 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8983 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5951 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9409 February 19, 2011
by Lusitania
My first Impression 6 4794 February 16, 2011
by devinsbusiness
Understanding battery life 3 6069 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5698 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5320 February 05, 2011
by BobaMosfet
High voltage lines 26 7484 February 02, 2011
by mongo
USB 3 4361 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5406 February 02, 2011
by Jalex
Alternating LED circuit 4 5299 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6629 January 31, 2011
by il1019
Affordable oscilloscopes 43 14677 January 27, 2011
by BStory
"And"gate unfinished thought 2 4486 January 27, 2011
by Hexorg
replace MCU? 30 9512 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5053 January 25, 2011
by Ralphxyz
Multimeter! 12 7345 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5989 January 25, 2011
by Jalex
My LED Cube so far 25 10770 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5809 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5230 January 18, 2011
by dgikuljot
Counting 5 4440 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9077 January 17, 2011
by bretm
Programming 5 5297 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5512 January 11, 2011
by Yourself
Begining 7 5583 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5971 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5312 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4612 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5152 January 06, 2011
by Mujda
Data input voltage 6 5145 January 03, 2011
by Rick_S
MOSFET Question 7 5305 December 31, 2010
by Keyster
Transistor as a switch 5 5336 December 29, 2010
by Hexorg
Resistors 5 5696 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10563 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5547 December 28, 2010
by BobaMosfet
Relay ratings 2 4873 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20170 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4718 December 17, 2010
by mongo
Power Rectifier 7 6404 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7306 December 14, 2010
by danuke
This a decent oscilloscope? 8 5115 December 14, 2010
by danuke
Do resistors in series really add up? 8 6506 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5924 December 09, 2010
by bretm
L293 H-Bridge 15 6603 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6801 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6970 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5903 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6403 November 24, 2010
by BobaMosfet
Op-amp not working 6 6704 November 24, 2010
by BobaMosfet
Python questions 4 5673 November 21, 2010
by tkopriva
CE Amp design 5 5179 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5112 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4953 November 05, 2010
by Mujda
PC4 not working?! 8 4818 November 04, 2010
by hapshetsut
Amplifiers 4 4787 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5641 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5733 October 04, 2010
by Scythium
radio interference from NerdKit 11 4834 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9474 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5343 September 11, 2010
by akajester
QFP and dreadboard 2 5239 September 02, 2010
by bretm
Getting power to the spinning part... 5 5113 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13008 August 30, 2010
by Ralphxyz
morse code decoder 2 5229 August 26, 2010
by jonathan_m
Connecting to Computer 3 5197 August 25, 2010
by awesome
555 astable on breadboard 12 6717 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4820 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5331 August 19, 2010
by hevans
mosfet 3 4592 August 13, 2010
by hevans
Good material on learning electronics. 8 5583 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4470 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7121 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6400 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9712 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6878 July 02, 2010
by mongo
Electro Cardio Gram 4 5729 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4526 June 12, 2010
by Wobbler
Voltage Regulator 20 6243 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5777 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6443 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6106 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5296 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4538 June 06, 2010
by Kafke
TSSOP IC! 4 5304 June 03, 2010
by mrobbins
AVcc 2 5543 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4745 May 31, 2010
by hevans
Cable Driver 2 4420 May 31, 2010
by mongo
Best 9V adapter to use 2 4861 May 28, 2010
by mongo
Unidirectional microphones 5 5098 May 27, 2010
by mongo
Servo question 3 4579 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5279 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5120 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6793 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11655 May 21, 2010
by hevans
Chinese Solenoid 15 5084 May 10, 2010
by treymd
avrisp mkii circuit 4 6321 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4651 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9933 May 07, 2010
by rajabalu21
Simple Power Switch 6 4744 May 05, 2010
by avicell
I can haz speed! 3 5085 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6584 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5422 April 21, 2010
by bretm
Help with choosing the right resistor 10 6526 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11134 April 15, 2010
by bretm
Resistor 4 4449 April 15, 2010
by mongo
MCU digital input pins 3 4632 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4942 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10810 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6892 March 28, 2010
by carlhako
Laptop ground safety question 3 4970 March 27, 2010
by ese
LM34 R-C Damper 5 6545 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5269 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4528 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6576 March 23, 2010
by ese
constant system reset 3 4457 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5225 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6280 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5567 March 17, 2010
by Frozenlock
What is -VS? 6 8615 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6384 March 04, 2010
by treymd
Using MCU to connect two wires 3 5455 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10067 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4883 March 02, 2010
by Solorbob
Deciphering power resistors 11 5255 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4648 March 01, 2010
by nrotstan
Understanding LEDs 16 7817 March 01, 2010
by michaeldallas
What's the part I need? 5 4765 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11778 February 23, 2010
by rajabalu21
Too much power? 14 5501 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6180 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6104 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13527 February 18, 2010
by Rick_S
Serial port interface circuit 2 5662 February 17, 2010
by mongo
OBDII project 3 4729 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8275 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7457 February 13, 2010
by BobaMosfet
Digital pots 5 4970 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5273 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6112 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7532 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7678 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5541 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7257 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11059 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5884 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5121 December 27, 2009
by jgauthier
Servo Signal Noise 2 4686 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8019 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11466 December 10, 2009
by georgio
Relays and transistors 12 9479 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9529 December 09, 2009
by Rick_S
IR Detector 7 8998 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5723 November 19, 2009
by mikedoug
Debug with lcd 6 5675 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5164 November 15, 2009
by tech20
Understanding output pin characteristics 4 5042 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6993 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5321 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48795 October 30, 2009
by BobaMosfet
DIY header unit 2 5523 October 10, 2009
by rusirius
Thermostat Logging 6 7149 October 09, 2009
by luke
Understanding transistors 6 6858 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10818 October 07, 2009
by mikedoug
Currant booster 3 4670 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5657 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13639 August 27, 2009
by hevans
Which LED? 14 5411 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6435 August 07, 2009
by mongo
pull up, pull down resistors 7 17831 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11757 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7692 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7082 July 07, 2009
by sector0
Reset switch for circuit 3 5333 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31955 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6448 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5219 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5354 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5848 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5185 May 06, 2009
by paulip

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