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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8902 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8275 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 7002 April 12, 2016
by Ralphxyz
USBasp Help! 3 5899 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 8169 May 04, 2015
by mongo
Need to replace Wall Watt 16 5398 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 5050 April 10, 2015
by Noter
My new 3D Printer 44 20633 April 07, 2015
by Rick_S
AtMega 644 2 5093 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4140 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4821 June 02, 2014
by JKITSON
Automated programming mode? 9 5100 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4676 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4709 January 28, 2014
by lailai
What kind of error is this? 4 4506 January 23, 2014
by Noter
How to double a DC voltage? 20 11918 January 12, 2014
by JKITSON
Is the code the driver? 2 4391 January 12, 2014
by Ralphxyz
Miniature headers 6 4611 January 01, 2014
by Ralphxyz
BLDC 8 4702 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5300 November 26, 2013
by Rick_S
GLCD SPI problems 14 8566 November 10, 2013
by andyi
Moving on... 7 4507 November 08, 2013
by Pr0ject
Power supply questions 4 6075 October 31, 2013
by sask55
OLED 4 4274 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16296 September 22, 2013
by sask55
Opto Interrupter once again 14 8960 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4684 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11709 September 02, 2013
by Ralphxyz
USB cable specifications 7 6244 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5210 August 27, 2013
by Affarram
XMEGA Breakout 8 5572 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4235 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4908 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4956 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11415 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 16095 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4235 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4847 April 08, 2013
by pcbolt
Using diode to drop voltage 12 66318 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 4042 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4603 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8774 March 14, 2013
by mongo
Current vs Voltage 8 5673 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5250 March 09, 2013
by lnino
Electric current 2 4024 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6966 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9850 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 9358 February 28, 2013
by BobaMosfet
Control electronic door opener 15 5107 February 24, 2013
by lnino
Relay Question 27 8371 February 19, 2013
by Noter
Rotary Encoder how to?? 21 8063 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5545 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5408 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5184 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4768 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5452 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4762 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5589 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 4103 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4176 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4661 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 10227 November 18, 2012
by carlhako
SPI slave clock 6 4898 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4280 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 31230 October 23, 2012
by Noter
NPN circuit connection quandry 4 4860 September 24, 2012
by edb
Simple I/O circuit 4 4509 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4293 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 4018 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6838 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4511 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6896 September 13, 2012
by dan_engbers
Electronics simulation 8 5138 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7298 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4420 August 20, 2012
by rblalock
louder sound 2 4185 August 18, 2012
by mongo
connector or cable for LCD display? 4 4405 August 13, 2012
by missle3944
Powering L.E.Ds 5 4535 August 09, 2012
by BobaMosfet
Wires in U.K 5 5003 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4918 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7930 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7580 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5376 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22911 July 21, 2012
by lnino
um help 6 3992 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 5046 July 18, 2012
by Ralphxyz
help me 11 4906 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4292 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5621 June 24, 2012
by Ralphxyz
HELP 3 4047 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 15036 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4153 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 6081 June 17, 2012
by RogerFL
Programmable current source 6 6141 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5674 June 11, 2012
by mongo
HELP 6 4373 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4776 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 52440 May 24, 2012
by Ralphxyz
i need a code 8 4777 May 15, 2012
by pcbolt
Clock Accuracy 30 9448 May 14, 2012
by HexManiac
Relays and Controlling them 9 4748 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 5015 May 09, 2012
by RogerFL
Powering your NerdKit 7 4600 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4622 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7874 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 5026 April 24, 2012
by pcbolt
Programs will not run 6 4519 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5153 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4811 April 09, 2012
by Ralphxyz
Path Lights controller 2 4379 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4492 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 5040 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4588 April 01, 2012
by JamesFysh
Question on LCD screen 5 4592 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4562 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5889 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5497 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9229 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4676 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5975 March 15, 2012
by mongo
Digital servo issues! 9 5206 March 15, 2012
by Rick_S
Brushless motor control 16 5546 March 12, 2012
by hevans
Windows not detecting device 3 4343 March 10, 2012
by hevans
Voltage throught MCU 5 4354 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20246 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11995 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 21325 March 01, 2012
by hevans
Up and running... 3 4137 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4800 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5153 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4387 February 24, 2012
by Rick_S
programming lcd trubs 7 4504 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5177 February 18, 2012
by Rick_S
Oscilloscope 15 6455 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10976 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5597 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4783 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11593 February 09, 2012
by mongo
Data transmission 3 5340 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5145 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6718 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4641 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4180 January 31, 2012
by tchilzer2
H bridge questions 6 4974 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4719 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 5139 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5341 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8470 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 5004 January 15, 2012
by Rick_S
Source of power? 19 5144 January 13, 2012
by mongo
symbol defined please? 4 4818 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 18203 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4723 January 06, 2012
by boxvic
Basic LED circuit properties 8 4949 January 06, 2012
by boxvic
Getting Started 3 4411 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5603 January 02, 2012
by bodangly
SMD reflow 16 5717 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4672 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5335 December 23, 2011
by BobaMosfet
Potentiometer 8 6308 December 23, 2011
by huzbum
Fun with Op-Amps 3 6548 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5626 December 19, 2011
by n1cl3
Odessy of the minds 5 4862 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4245 November 27, 2011
by sazD
Initial Load 2 4896 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5622 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6309 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4961 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 10143 November 10, 2011
by jfbrink
Servo Squitter Project 13 4704 November 09, 2011
by Heed
how do i run a program 4 4265 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4524 November 07, 2011
by Heed
Motor control question 2 4308 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 10031 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4587 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4465 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 97045 October 24, 2011
by glendon
Measuring Capacitance 9 6005 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4617 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6367 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 23182 October 16, 2011
by sask55
RxD / TxD Questions 10 7931 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4697 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4592 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4878 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4380 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13958 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 6074 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24572 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 13301 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4323 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7905 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 14036 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 9012 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5461 September 01, 2011
by BobaMosfet
Dim LED 3 4281 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4794 August 23, 2011
by Twarter369
Easy Transistor Question 4 5442 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7400 August 18, 2011
by Ralphxyz
Building a coil?? 12 7205 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4699 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4346 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4185 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4117 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24274 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5450 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4857 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4563 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4610 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7402 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4273 July 17, 2011
by codenamejupiterx
avr macpack 3 4642 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4636 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4735 July 13, 2011
by BobaMosfet
Battery clip wires 3 4188 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 4080 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4362 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4614 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 5074 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25404 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4591 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4818 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6933 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4872 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4887 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4762 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5367 June 06, 2011
by mja
A couple of questions 3 4489 June 06, 2011
by Ralphxyz
How much should I strip? 3 4560 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 5041 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4441 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4780 May 29, 2011
by Rick_S
Digital Input Question 4 4511 May 28, 2011
by frankdwest
PCB arrived 20 4494 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5142 May 24, 2011
by gcharris
Calculating bypass capacitor 6 24180 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 5096 May 09, 2011
by Noter
IR current 6 4790 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5524 May 04, 2011
by hariharan
Heat sensors 21 5895 May 04, 2011
by Hexorg
error 1 2 4392 May 02, 2011
by hevans
Transistor vs mosfet 13 12684 May 01, 2011
by Noter
PCB trace width calculator 3 5953 April 24, 2011
by esoderberg
OLED display 10 5675 April 23, 2011
by Rick_S
Power Supplies 17 6225 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4317 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 5020 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4466 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5494 April 19, 2011
by mongo
Connecting to external control voltages 4 4436 April 19, 2011
by bretm
IR current question 7 4566 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5353 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5551 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4813 April 10, 2011
by uml_12
Basic projects 3 4483 April 09, 2011
by mongo
REFLOW oven 22 7444 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14822 April 07, 2011
by bretm
unexpected MCU rebooting 82 9499 April 05, 2011
by sask55
REFLOW Soldering 3 5441 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4783 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7129 March 30, 2011
by bretm
Black Display on LCD 6 4751 March 28, 2011
by Druidman
32kHz clock 2 4408 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11649 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 12251 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6623 March 16, 2011
by mongo
LCD problem 3 4793 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5417 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5497 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4506 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8231 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5445 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5397 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12446 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 9187 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 6077 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9535 February 19, 2011
by Lusitania
My first Impression 6 4916 February 16, 2011
by devinsbusiness
Understanding battery life 3 6244 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5812 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5453 February 05, 2011
by BobaMosfet
High voltage lines 26 7647 February 02, 2011
by mongo
USB 3 4462 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5541 February 02, 2011
by Jalex
Alternating LED circuit 4 5413 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6751 January 31, 2011
by il1019
Affordable oscilloscopes 43 15072 January 27, 2011
by BStory
"And"gate unfinished thought 2 4617 January 27, 2011
by Hexorg
replace MCU? 30 9714 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5177 January 25, 2011
by Ralphxyz
Multimeter! 12 7470 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 6116 January 25, 2011
by Jalex
My LED Cube so far 25 10894 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5904 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5343 January 18, 2011
by dgikuljot
Counting 5 4562 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9225 January 17, 2011
by bretm
Programming 5 5441 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5627 January 11, 2011
by Yourself
Begining 7 5714 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 6095 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5425 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4747 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5275 January 06, 2011
by Mujda
Data input voltage 6 5281 January 03, 2011
by Rick_S
MOSFET Question 7 5426 December 31, 2010
by Keyster
Transistor as a switch 5 5470 December 29, 2010
by Hexorg
Resistors 5 5829 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10777 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5685 December 28, 2010
by BobaMosfet
Relay ratings 2 4994 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20345 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4825 December 17, 2010
by mongo
Power Rectifier 7 7122 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7465 December 14, 2010
by danuke
This a decent oscilloscope? 8 5236 December 14, 2010
by danuke
Do resistors in series really add up? 8 6662 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 6057 December 09, 2010
by bretm
L293 H-Bridge 15 6748 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6961 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 7125 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 6030 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6556 November 24, 2010
by BobaMosfet
Op-amp not working 6 6828 November 24, 2010
by BobaMosfet
Python questions 4 5791 November 21, 2010
by tkopriva
CE Amp design 5 5337 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5229 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 5090 November 05, 2010
by Mujda
PC4 not working?! 8 4948 November 04, 2010
by hapshetsut
Amplifiers 4 4898 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5765 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5854 October 04, 2010
by Scythium
radio interference from NerdKit 11 4984 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9611 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5457 September 11, 2010
by akajester
QFP and dreadboard 2 5356 September 02, 2010
by bretm
Getting power to the spinning part... 5 5214 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13174 August 30, 2010
by Ralphxyz
morse code decoder 2 5328 August 26, 2010
by jonathan_m
Connecting to Computer 3 5313 August 25, 2010
by awesome
555 astable on breadboard 12 6819 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4934 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5430 August 19, 2010
by hevans
mosfet 3 4692 August 13, 2010
by hevans
Good material on learning electronics. 8 5696 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4582 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7305 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6522 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9923 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 7000 July 02, 2010
by mongo
Electro Cardio Gram 4 5875 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4640 June 12, 2010
by Wobbler
Voltage Regulator 20 6355 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5913 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6580 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6220 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5417 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4645 June 06, 2010
by Kafke
TSSOP IC! 4 5423 June 03, 2010
by mrobbins
AVcc 2 5655 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4859 May 31, 2010
by hevans
Cable Driver 2 4541 May 31, 2010
by mongo
Best 9V adapter to use 2 4978 May 28, 2010
by mongo
Unidirectional microphones 5 5220 May 27, 2010
by mongo
Servo question 3 4694 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5385 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5238 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6913 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11885 May 21, 2010
by hevans
Chinese Solenoid 15 5219 May 10, 2010
by treymd
avrisp mkii circuit 4 6420 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4760 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 10127 May 07, 2010
by rajabalu21
Simple Power Switch 6 4848 May 05, 2010
by avicell
I can haz speed! 3 5203 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6708 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5547 April 21, 2010
by bretm
Help with choosing the right resistor 10 6650 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11412 April 15, 2010
by bretm
Resistor 4 4557 April 15, 2010
by mongo
MCU digital input pins 3 4764 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 5041 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10936 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6996 March 28, 2010
by carlhako
Laptop ground safety question 3 5075 March 27, 2010
by ese
LM34 R-C Damper 5 6653 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5372 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4678 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6685 March 23, 2010
by ese
constant system reset 3 4568 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5341 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6425 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5671 March 17, 2010
by Frozenlock
What is -VS? 6 8737 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6484 March 04, 2010
by treymd
Using MCU to connect two wires 3 5563 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10362 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 5001 March 02, 2010
by Solorbob
Deciphering power resistors 11 5390 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4770 March 01, 2010
by nrotstan
Understanding LEDs 16 7990 March 01, 2010
by michaeldallas
What's the part I need? 5 4878 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11927 February 23, 2010
by rajabalu21
Too much power? 14 5626 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6290 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6240 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13775 February 18, 2010
by Rick_S
Serial port interface circuit 2 5777 February 17, 2010
by mongo
OBDII project 3 4837 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8448 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7602 February 13, 2010
by BobaMosfet
Digital pots 5 5065 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5393 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6273 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7676 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7822 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5632 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7417 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11246 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 6014 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5219 December 27, 2009
by jgauthier
Servo Signal Noise 2 4781 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8162 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11619 December 10, 2009
by georgio
Relays and transistors 12 9605 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9669 December 09, 2009
by Rick_S
IR Detector 7 9206 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5833 November 19, 2009
by mikedoug
Debug with lcd 6 5797 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5262 November 15, 2009
by tech20
Understanding output pin characteristics 4 5165 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 7178 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5444 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 49135 October 30, 2009
by BobaMosfet
DIY header unit 2 5618 October 10, 2009
by rusirius
Thermostat Logging 6 7281 October 09, 2009
by luke
Understanding transistors 6 6967 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10947 October 07, 2009
by mikedoug
Currant booster 3 4778 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5758 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13811 August 27, 2009
by hevans
Which LED? 14 5529 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6564 August 07, 2009
by mongo
pull up, pull down resistors 7 17989 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11979 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7817 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7205 July 07, 2009
by sector0
Reset switch for circuit 3 5437 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 32073 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6575 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5337 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5494 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5964 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5307 May 06, 2009
by paulip

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