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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8670 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8079 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6825 April 12, 2016
by Ralphxyz
USBasp Help! 3 5728 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7942 May 04, 2015
by mongo
Need to replace Wall Watt 16 5243 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4904 April 10, 2015
by Noter
My new 3D Printer 44 20471 April 07, 2015
by Rick_S
AtMega 644 2 4989 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4036 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4668 June 02, 2014
by JKITSON
Automated programming mode? 9 4959 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4552 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4553 January 28, 2014
by lailai
What kind of error is this? 4 4407 January 23, 2014
by Noter
How to double a DC voltage? 20 11751 January 12, 2014
by JKITSON
Is the code the driver? 2 4244 January 12, 2014
by Ralphxyz
Miniature headers 6 4509 January 01, 2014
by Ralphxyz
BLDC 8 4569 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5130 November 26, 2013
by Rick_S
GLCD SPI problems 14 8418 November 10, 2013
by andyi
Moving on... 7 4383 November 08, 2013
by Pr0ject
Power supply questions 4 5900 October 31, 2013
by sask55
OLED 4 4134 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16058 September 22, 2013
by sask55
Opto Interrupter once again 14 8770 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4573 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11493 September 02, 2013
by Ralphxyz
USB cable specifications 7 5998 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5033 August 27, 2013
by Affarram
XMEGA Breakout 8 5410 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4122 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4789 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4821 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11026 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15673 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4101 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4725 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65923 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3928 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4436 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8594 March 14, 2013
by mongo
Current vs Voltage 8 5529 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5138 March 09, 2013
by lnino
Electric current 2 3919 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6858 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9544 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8969 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4969 February 24, 2013
by lnino
Relay Question 27 8222 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7884 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5398 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5307 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5047 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4657 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5276 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4618 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5465 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3989 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4080 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4568 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9970 November 18, 2012
by carlhako
SPI slave clock 6 4766 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4176 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30809 October 23, 2012
by Noter
NPN circuit connection quandry 4 4743 September 24, 2012
by edb
Simple I/O circuit 4 4398 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4187 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3854 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6608 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4407 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6776 September 13, 2012
by dan_engbers
Electronics simulation 8 5049 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7151 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4312 August 20, 2012
by rblalock
louder sound 2 4085 August 18, 2012
by mongo
connector or cable for LCD display? 4 4304 August 13, 2012
by missle3944
Powering L.E.Ds 5 4426 August 09, 2012
by BobaMosfet
Wires in U.K 5 4901 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4804 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7740 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7444 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5218 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22719 July 21, 2012
by lnino
um help 6 3899 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4927 July 18, 2012
by Ralphxyz
help me 11 4788 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4187 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5470 June 24, 2012
by Ralphxyz
HELP 3 3937 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14842 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4046 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5969 June 17, 2012
by RogerFL
Programmable current source 6 5926 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5557 June 11, 2012
by mongo
HELP 6 4263 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4646 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50386 May 24, 2012
by Ralphxyz
i need a code 8 4666 May 15, 2012
by pcbolt
Clock Accuracy 30 9309 May 14, 2012
by HexManiac
Relays and Controlling them 9 4626 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4902 May 09, 2012
by RogerFL
Powering your NerdKit 7 4482 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4508 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7705 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4928 April 24, 2012
by pcbolt
Programs will not run 6 4393 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5015 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4706 April 09, 2012
by Ralphxyz
Path Lights controller 2 4261 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4385 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4900 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4479 April 01, 2012
by JamesFysh
Question on LCD screen 5 4488 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4429 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5730 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5363 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9066 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4568 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5725 March 15, 2012
by mongo
Digital servo issues! 9 5075 March 15, 2012
by Rick_S
Brushless motor control 16 5425 March 12, 2012
by hevans
Windows not detecting device 3 4219 March 10, 2012
by hevans
Voltage throught MCU 5 4235 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20024 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11782 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20918 March 01, 2012
by hevans
Up and running... 3 4026 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4687 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5044 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4269 February 24, 2012
by Rick_S
programming lcd trubs 7 4329 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5048 February 18, 2012
by Rick_S
Oscilloscope 15 6318 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10793 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5482 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4670 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11235 February 09, 2012
by mongo
Data transmission 3 5231 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5034 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6604 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4519 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4085 January 31, 2012
by tchilzer2
H bridge questions 6 4857 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4596 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4998 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5218 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8333 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4869 January 15, 2012
by Rick_S
Source of power? 19 5001 January 13, 2012
by mongo
symbol defined please? 4 4717 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17900 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4608 January 06, 2012
by boxvic
Basic LED circuit properties 8 4824 January 06, 2012
by boxvic
Getting Started 3 4309 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5496 January 02, 2012
by bodangly
SMD reflow 16 5587 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4562 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5242 December 23, 2011
by BobaMosfet
Potentiometer 8 6157 December 23, 2011
by huzbum
Fun with Op-Amps 3 6406 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5473 December 19, 2011
by n1cl3
Odessy of the minds 5 4760 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4127 November 27, 2011
by sazD
Initial Load 2 4795 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5490 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6181 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4853 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9979 November 10, 2011
by jfbrink
Servo Squitter Project 13 4591 November 09, 2011
by Heed
how do i run a program 4 4171 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4419 November 07, 2011
by Heed
Motor control question 2 4217 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9817 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4463 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4354 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96190 October 24, 2011
by glendon
Measuring Capacitance 9 5883 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4513 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6251 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22752 October 16, 2011
by sask55
RxD / TxD Questions 10 7664 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4590 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4487 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4780 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4287 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13544 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5949 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24352 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13004 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4223 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7771 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13741 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8877 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5327 September 01, 2011
by BobaMosfet
Dim LED 3 4159 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4686 August 23, 2011
by Twarter369
Easy Transistor Question 4 5312 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7042 August 18, 2011
by Ralphxyz
Building a coil?? 12 7074 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4592 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4239 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4069 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4018 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24059 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5342 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4752 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4465 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4507 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7275 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4163 July 17, 2011
by codenamejupiterx
avr macpack 3 4539 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4517 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4600 July 13, 2011
by BobaMosfet
Battery clip wires 3 4102 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3964 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4266 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4503 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4908 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25185 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4474 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4705 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6792 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4738 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4757 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4674 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5219 June 06, 2011
by mja
A couple of questions 3 4381 June 06, 2011
by Ralphxyz
How much should I strip? 3 4447 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4939 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4320 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4655 May 29, 2011
by Rick_S
Digital Input Question 4 4396 May 28, 2011
by frankdwest
PCB arrived 20 4389 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5039 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23943 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4979 May 09, 2011
by Noter
IR current 6 4697 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5402 May 04, 2011
by hariharan
Heat sensors 21 5773 May 04, 2011
by Hexorg
error 1 2 4241 May 02, 2011
by hevans
Transistor vs mosfet 13 12494 May 01, 2011
by Noter
PCB trace width calculator 3 5851 April 24, 2011
by esoderberg
OLED display 10 5548 April 23, 2011
by Rick_S
Power Supplies 17 6114 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4220 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4932 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4358 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5383 April 19, 2011
by mongo
Connecting to external control voltages 4 4343 April 19, 2011
by bretm
IR current question 7 4459 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5245 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5422 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4710 April 10, 2011
by uml_12
Basic projects 3 4379 April 09, 2011
by mongo
REFLOW oven 22 7320 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14578 April 07, 2011
by bretm
unexpected MCU rebooting 82 9327 April 05, 2011
by sask55
REFLOW Soldering 3 5298 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4682 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7007 March 30, 2011
by bretm
Black Display on LCD 6 4655 March 28, 2011
by Druidman
32kHz clock 2 4300 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11447 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11914 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6492 March 16, 2011
by mongo
LCD problem 3 4703 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5293 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5402 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4411 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8060 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5333 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5277 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12331 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8990 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5956 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9412 February 19, 2011
by Lusitania
My first Impression 6 4804 February 16, 2011
by devinsbusiness
Understanding battery life 3 6074 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5701 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5327 February 05, 2011
by BobaMosfet
High voltage lines 26 7489 February 02, 2011
by mongo
USB 3 4365 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5412 February 02, 2011
by Jalex
Alternating LED circuit 4 5303 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6634 January 31, 2011
by il1019
Affordable oscilloscopes 43 14694 January 27, 2011
by BStory
"And"gate unfinished thought 2 4493 January 27, 2011
by Hexorg
replace MCU? 30 9519 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5056 January 25, 2011
by Ralphxyz
Multimeter! 12 7350 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5993 January 25, 2011
by Jalex
My LED Cube so far 25 10775 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5814 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5235 January 18, 2011
by dgikuljot
Counting 5 4446 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9083 January 17, 2011
by bretm
Programming 5 5302 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5515 January 11, 2011
by Yourself
Begining 7 5588 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5978 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5321 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4619 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5156 January 06, 2011
by Mujda
Data input voltage 6 5152 January 03, 2011
by Rick_S
MOSFET Question 7 5311 December 31, 2010
by Keyster
Transistor as a switch 5 5343 December 29, 2010
by Hexorg
Resistors 5 5701 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10576 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5554 December 28, 2010
by BobaMosfet
Relay ratings 2 4878 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20178 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4721 December 17, 2010
by mongo
Power Rectifier 7 6500 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7315 December 14, 2010
by danuke
This a decent oscilloscope? 8 5120 December 14, 2010
by danuke
Do resistors in series really add up? 8 6511 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5929 December 09, 2010
by bretm
L293 H-Bridge 15 6610 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6807 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6976 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5909 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6411 November 24, 2010
by BobaMosfet
Op-amp not working 6 6707 November 24, 2010
by BobaMosfet
Python questions 4 5678 November 21, 2010
by tkopriva
CE Amp design 5 5186 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5117 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4959 November 05, 2010
by Mujda
PC4 not working?! 8 4825 November 04, 2010
by hapshetsut
Amplifiers 4 4794 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5649 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5738 October 04, 2010
by Scythium
radio interference from NerdKit 11 4840 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9478 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5346 September 11, 2010
by akajester
QFP and dreadboard 2 5243 September 02, 2010
by bretm
Getting power to the spinning part... 5 5118 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13021 August 30, 2010
by Ralphxyz
morse code decoder 2 5232 August 26, 2010
by jonathan_m
Connecting to Computer 3 5203 August 25, 2010
by awesome
555 astable on breadboard 12 6723 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4823 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5335 August 19, 2010
by hevans
mosfet 3 4596 August 13, 2010
by hevans
Good material on learning electronics. 8 5588 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4475 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7127 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6404 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9727 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6880 July 02, 2010
by mongo
Electro Cardio Gram 4 5734 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4529 June 12, 2010
by Wobbler
Voltage Regulator 20 6246 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5781 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6446 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6110 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5300 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4541 June 06, 2010
by Kafke
TSSOP IC! 4 5313 June 03, 2010
by mrobbins
AVcc 2 5546 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4752 May 31, 2010
by hevans
Cable Driver 2 4426 May 31, 2010
by mongo
Best 9V adapter to use 2 4867 May 28, 2010
by mongo
Unidirectional microphones 5 5104 May 27, 2010
by mongo
Servo question 3 4584 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5285 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5124 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6801 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11668 May 21, 2010
by hevans
Chinese Solenoid 15 5091 May 10, 2010
by treymd
avrisp mkii circuit 4 6325 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4656 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9941 May 07, 2010
by rajabalu21
Simple Power Switch 6 4749 May 05, 2010
by avicell
I can haz speed! 3 5087 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6590 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5427 April 21, 2010
by bretm
Help with choosing the right resistor 10 6533 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11149 April 15, 2010
by bretm
Resistor 4 4454 April 15, 2010
by mongo
MCU digital input pins 3 4636 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4947 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10816 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6897 March 28, 2010
by carlhako
Laptop ground safety question 3 4975 March 27, 2010
by ese
LM34 R-C Damper 5 6551 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5273 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4535 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6581 March 23, 2010
by ese
constant system reset 3 4464 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5228 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6286 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5571 March 17, 2010
by Frozenlock
What is -VS? 6 8623 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6388 March 04, 2010
by treymd
Using MCU to connect two wires 3 5461 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10076 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4888 March 02, 2010
by Solorbob
Deciphering power resistors 11 5259 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4655 March 01, 2010
by nrotstan
Understanding LEDs 16 7824 March 01, 2010
by michaeldallas
What's the part I need? 5 4770 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11786 February 23, 2010
by rajabalu21
Too much power? 14 5505 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6185 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6107 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13536 February 18, 2010
by Rick_S
Serial port interface circuit 2 5665 February 17, 2010
by mongo
OBDII project 3 4733 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8288 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7465 February 13, 2010
by BobaMosfet
Digital pots 5 4973 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5278 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6117 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7544 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7686 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5544 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7263 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11064 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5891 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5125 December 27, 2009
by jgauthier
Servo Signal Noise 2 4688 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8023 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11471 December 10, 2009
by georgio
Relays and transistors 12 9480 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9534 December 09, 2009
by Rick_S
IR Detector 7 9008 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5731 November 19, 2009
by mikedoug
Debug with lcd 6 5678 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5167 November 15, 2009
by tech20
Understanding output pin characteristics 4 5045 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7002 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5325 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48803 October 30, 2009
by BobaMosfet
DIY header unit 2 5524 October 10, 2009
by rusirius
Thermostat Logging 6 7152 October 09, 2009
by luke
Understanding transistors 6 6862 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10823 October 07, 2009
by mikedoug
Currant booster 3 4674 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5658 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13645 August 27, 2009
by hevans
Which LED? 14 5413 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6442 August 07, 2009
by mongo
pull up, pull down resistors 7 17840 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11763 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7693 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7084 July 07, 2009
by sector0
Reset switch for circuit 3 5336 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31956 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6452 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5220 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5358 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5851 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5188 May 06, 2009
by paulip

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