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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8842 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8233 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6957 April 12, 2016
by Ralphxyz
USBasp Help! 3 5860 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8106 May 04, 2015
by mongo
Need to replace Wall Watt 16 5360 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5016 April 10, 2015
by Noter
My new 3D Printer 44 20587 April 07, 2015
by Rick_S
AtMega 644 2 5067 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4114 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4790 June 02, 2014
by JKITSON
Automated programming mode? 9 5071 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4646 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4685 January 28, 2014
by lailai
What kind of error is this? 4 4483 January 23, 2014
by Noter
How to double a DC voltage? 20 11879 January 12, 2014
by JKITSON
Is the code the driver? 2 4364 January 12, 2014
by Ralphxyz
Miniature headers 6 4583 January 01, 2014
by Ralphxyz
BLDC 8 4669 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5267 November 26, 2013
by Rick_S
GLCD SPI problems 14 8531 November 10, 2013
by andyi
Moving on... 7 4479 November 08, 2013
by Pr0ject
Power supply questions 4 6047 October 31, 2013
by sask55
OLED 4 4246 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16248 September 22, 2013
by sask55
Opto Interrupter once again 14 8926 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4655 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11657 September 02, 2013
by Ralphxyz
USB cable specifications 7 6195 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5174 August 27, 2013
by Affarram
XMEGA Breakout 8 5533 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4208 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4878 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4922 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11315 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15969 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4198 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4811 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66244 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4003 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4563 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8729 March 14, 2013
by mongo
Current vs Voltage 8 5640 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5220 March 09, 2013
by lnino
Electric current 2 3999 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6933 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9688 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9204 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5081 February 24, 2013
by lnino
Relay Question 27 8335 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8018 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5506 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5376 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5152 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4740 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5411 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4730 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5558 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4074 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4151 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4630 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10186 November 18, 2012
by carlhako
SPI slave clock 6 4869 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4253 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31128 October 23, 2012
by Noter
NPN circuit connection quandry 4 4830 September 24, 2012
by edb
Simple I/O circuit 4 4486 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4265 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3984 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6797 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4478 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6863 September 13, 2012
by dan_engbers
Electronics simulation 8 5119 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7258 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4392 August 20, 2012
by rblalock
louder sound 2 4160 August 18, 2012
by mongo
connector or cable for LCD display? 4 4376 August 13, 2012
by missle3944
Powering L.E.Ds 5 4509 August 09, 2012
by BobaMosfet
Wires in U.K 5 4978 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4889 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7877 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7540 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5342 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22848 July 21, 2012
by lnino
um help 6 3966 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5019 July 18, 2012
by Ralphxyz
help me 11 4876 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4265 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5579 June 24, 2012
by Ralphxyz
HELP 3 4020 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14991 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4125 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6052 June 17, 2012
by RogerFL
Programmable current source 6 6093 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5643 June 11, 2012
by mongo
HELP 6 4348 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4745 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52001 May 24, 2012
by Ralphxyz
i need a code 8 4749 May 15, 2012
by pcbolt
Clock Accuracy 30 9415 May 14, 2012
by HexManiac
Relays and Controlling them 9 4721 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4987 May 09, 2012
by RogerFL
Powering your NerdKit 7 4572 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4595 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7828 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4996 April 24, 2012
by pcbolt
Programs will not run 6 4490 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5120 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4781 April 09, 2012
by Ralphxyz
Path Lights controller 2 4353 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4466 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5004 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4562 April 01, 2012
by JamesFysh
Question on LCD screen 5 4562 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4533 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5858 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5468 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9185 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4647 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5914 March 15, 2012
by mongo
Digital servo issues! 9 5168 March 15, 2012
by Rick_S
Brushless motor control 16 5513 March 12, 2012
by hevans
Windows not detecting device 3 4310 March 10, 2012
by hevans
Voltage throught MCU 5 4320 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20204 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11943 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21222 March 01, 2012
by hevans
Up and running... 3 4112 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4776 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5127 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4355 February 24, 2012
by Rick_S
programming lcd trubs 7 4476 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5144 February 18, 2012
by Rick_S
Oscilloscope 15 6416 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10929 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5564 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4753 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11542 February 09, 2012
by mongo
Data transmission 3 5305 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5112 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6691 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4604 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4152 January 31, 2012
by tchilzer2
H bridge questions 6 4945 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4694 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5114 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5307 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8434 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4977 January 15, 2012
by Rick_S
Source of power? 19 5111 January 13, 2012
by mongo
symbol defined please? 4 4790 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18144 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4691 January 06, 2012
by boxvic
Basic LED circuit properties 8 4922 January 06, 2012
by boxvic
Getting Started 3 4385 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5575 January 02, 2012
by bodangly
SMD reflow 16 5687 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4643 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5309 December 23, 2011
by BobaMosfet
Potentiometer 8 6274 December 23, 2011
by huzbum
Fun with Op-Amps 3 6510 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5604 December 19, 2011
by n1cl3
Odessy of the minds 5 4835 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4215 November 27, 2011
by sazD
Initial Load 2 4871 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5593 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6274 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4935 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10090 November 10, 2011
by jfbrink
Servo Squitter Project 13 4677 November 09, 2011
by Heed
how do i run a program 4 4240 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4500 November 07, 2011
by Heed
Motor control question 2 4286 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9982 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4550 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4429 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96829 October 24, 2011
by glendon
Measuring Capacitance 9 5984 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4582 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6341 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23081 October 16, 2011
by sask55
RxD / TxD Questions 10 7822 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4669 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4561 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4855 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4357 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13872 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6038 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24519 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13265 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4296 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7869 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13982 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8977 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5424 September 01, 2011
by BobaMosfet
Dim LED 3 4248 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4769 August 23, 2011
by Twarter369
Easy Transistor Question 4 5405 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7180 August 18, 2011
by Ralphxyz
Building a coil?? 12 7177 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4669 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4317 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4157 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4092 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24218 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5420 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4827 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4544 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4587 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7368 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4243 July 17, 2011
by codenamejupiterx
avr macpack 3 4612 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4609 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4703 July 13, 2011
by BobaMosfet
Battery clip wires 3 4161 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4048 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4340 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4581 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5038 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25356 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4561 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4793 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6890 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4841 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4854 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4744 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5317 June 06, 2011
by mja
A couple of questions 3 4461 June 06, 2011
by Ralphxyz
How much should I strip? 3 4533 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5019 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4416 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4746 May 29, 2011
by Rick_S
Digital Input Question 4 4481 May 28, 2011
by frankdwest
PCB arrived 20 4473 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5112 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24122 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5064 May 09, 2011
by Noter
IR current 6 4765 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5489 May 04, 2011
by hariharan
Heat sensors 21 5862 May 04, 2011
by Hexorg
error 1 2 4366 May 02, 2011
by hevans
Transistor vs mosfet 13 12624 May 01, 2011
by Noter
PCB trace width calculator 3 5931 April 24, 2011
by esoderberg
OLED display 10 5644 April 23, 2011
by Rick_S
Power Supplies 17 6192 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4292 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4996 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4439 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5470 April 19, 2011
by mongo
Connecting to external control voltages 4 4416 April 19, 2011
by bretm
IR current question 7 4543 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5324 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5524 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4785 April 10, 2011
by uml_12
Basic projects 3 4459 April 09, 2011
by mongo
REFLOW oven 22 7418 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14749 April 07, 2011
by bretm
unexpected MCU rebooting 82 9455 April 05, 2011
by sask55
REFLOW Soldering 3 5408 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4757 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7101 March 30, 2011
by bretm
Black Display on LCD 6 4726 March 28, 2011
by Druidman
32kHz clock 2 4384 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11586 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12142 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6595 March 16, 2011
by mongo
LCD problem 3 4773 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5390 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5472 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4484 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8195 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5421 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5373 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12413 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9151 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6048 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9498 February 19, 2011
by Lusitania
My first Impression 6 4891 February 16, 2011
by devinsbusiness
Understanding battery life 3 6212 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5786 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5421 February 05, 2011
by BobaMosfet
High voltage lines 26 7605 February 02, 2011
by mongo
USB 3 4435 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5512 February 02, 2011
by Jalex
Alternating LED circuit 4 5387 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6720 January 31, 2011
by il1019
Affordable oscilloscopes 43 14983 January 27, 2011
by BStory
"And"gate unfinished thought 2 4580 January 27, 2011
by Hexorg
replace MCU? 30 9676 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5150 January 25, 2011
by Ralphxyz
Multimeter! 12 7436 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6085 January 25, 2011
by Jalex
My LED Cube so far 25 10862 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5878 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5317 January 18, 2011
by dgikuljot
Counting 5 4529 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9186 January 17, 2011
by bretm
Programming 5 5409 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5598 January 11, 2011
by Yourself
Begining 7 5679 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6067 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5398 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4712 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5243 January 06, 2011
by Mujda
Data input voltage 6 5245 January 03, 2011
by Rick_S
MOSFET Question 7 5394 December 31, 2010
by Keyster
Transistor as a switch 5 5442 December 29, 2010
by Hexorg
Resistors 5 5797 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10733 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5656 December 28, 2010
by BobaMosfet
Relay ratings 2 4972 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20302 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4796 December 17, 2010
by mongo
Power Rectifier 7 7090 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7429 December 14, 2010
by danuke
This a decent oscilloscope? 8 5209 December 14, 2010
by danuke
Do resistors in series really add up? 8 6628 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6025 December 09, 2010
by bretm
L293 H-Bridge 15 6718 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6930 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7092 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6001 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6527 November 24, 2010
by BobaMosfet
Op-amp not working 6 6794 November 24, 2010
by BobaMosfet
Python questions 4 5754 November 21, 2010
by tkopriva
CE Amp design 5 5306 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5203 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5064 November 05, 2010
by Mujda
PC4 not working?! 8 4921 November 04, 2010
by hapshetsut
Amplifiers 4 4875 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5736 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5818 October 04, 2010
by Scythium
radio interference from NerdKit 11 4954 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9583 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5426 September 11, 2010
by akajester
QFP and dreadboard 2 5332 September 02, 2010
by bretm
Getting power to the spinning part... 5 5188 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13140 August 30, 2010
by Ralphxyz
morse code decoder 2 5302 August 26, 2010
by jonathan_m
Connecting to Computer 3 5290 August 25, 2010
by awesome
555 astable on breadboard 12 6797 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4909 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5405 August 19, 2010
by hevans
mosfet 3 4666 August 13, 2010
by hevans
Good material on learning electronics. 8 5668 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4555 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7258 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6492 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9878 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6965 July 02, 2010
by mongo
Electro Cardio Gram 4 5848 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4608 June 12, 2010
by Wobbler
Voltage Regulator 20 6332 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5886 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6548 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6201 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5392 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4619 June 06, 2010
by Kafke
TSSOP IC! 4 5399 June 03, 2010
by mrobbins
AVcc 2 5632 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4827 May 31, 2010
by hevans
Cable Driver 2 4514 May 31, 2010
by mongo
Best 9V adapter to use 2 4951 May 28, 2010
by mongo
Unidirectional microphones 5 5195 May 27, 2010
by mongo
Servo question 3 4663 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5357 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5212 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6888 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11842 May 21, 2010
by hevans
Chinese Solenoid 15 5189 May 10, 2010
by treymd
avrisp mkii circuit 4 6392 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4732 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10081 May 07, 2010
by rajabalu21
Simple Power Switch 6 4825 May 05, 2010
by avicell
I can haz speed! 3 5175 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6681 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5519 April 21, 2010
by bretm
Help with choosing the right resistor 10 6618 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11371 April 15, 2010
by bretm
Resistor 4 4527 April 15, 2010
by mongo
MCU digital input pins 3 4732 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5016 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10904 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6973 March 28, 2010
by carlhako
Laptop ground safety question 3 5052 March 27, 2010
by ese
LM34 R-C Damper 5 6629 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5348 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4653 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6665 March 23, 2010
by ese
constant system reset 3 4542 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5312 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6397 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5643 March 17, 2010
by Frozenlock
What is -VS? 6 8707 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6456 March 04, 2010
by treymd
Using MCU to connect two wires 3 5538 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10313 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4971 March 02, 2010
by Solorbob
Deciphering power resistors 11 5360 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4745 March 01, 2010
by nrotstan
Understanding LEDs 16 7955 March 01, 2010
by michaeldallas
What's the part I need? 5 4850 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11887 February 23, 2010
by rajabalu21
Too much power? 14 5598 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6265 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6206 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13736 February 18, 2010
by Rick_S
Serial port interface circuit 2 5748 February 17, 2010
by mongo
OBDII project 3 4813 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8414 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7568 February 13, 2010
by BobaMosfet
Digital pots 5 5041 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5368 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6246 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7649 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7785 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5611 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7386 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11209 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5985 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5195 December 27, 2009
by jgauthier
Servo Signal Noise 2 4755 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8134 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11583 December 10, 2009
by georgio
Relays and transistors 12 9571 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9641 December 09, 2009
by Rick_S
IR Detector 7 9160 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5813 November 19, 2009
by mikedoug
Debug with lcd 6 5768 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5242 November 15, 2009
by tech20
Understanding output pin characteristics 4 5144 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7144 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5418 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49063 October 30, 2009
by BobaMosfet
DIY header unit 2 5595 October 10, 2009
by rusirius
Thermostat Logging 6 7251 October 09, 2009
by luke
Understanding transistors 6 6940 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10919 October 07, 2009
by mikedoug
Currant booster 3 4757 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5738 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13768 August 27, 2009
by hevans
Which LED? 14 5503 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6538 August 07, 2009
by mongo
pull up, pull down resistors 7 17949 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11930 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7787 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7172 July 07, 2009
by sector0
Reset switch for circuit 3 5409 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32035 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6546 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5302 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5460 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5942 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5284 May 06, 2009
by paulip

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