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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 8645 July 27, 2019
by BobaMosfet
mosfet control during start up 5 8065 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6810 April 12, 2016
by Ralphxyz
USBasp Help! 3 5720 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7932 May 04, 2015
by mongo
Need to replace Wall Watt 16 5235 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4895 April 10, 2015
by Noter
My new 3D Printer 44 20458 April 07, 2015
by Rick_S
AtMega 644 2 4982 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 4029 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4655 June 02, 2014
by JKITSON
Automated programming mode? 9 4949 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4543 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 4538 January 28, 2014
by lailai
What kind of error is this? 4 4401 January 23, 2014
by Noter
How to double a DC voltage? 20 11741 January 12, 2014
by JKITSON
Is the code the driver? 2 4228 January 12, 2014
by Ralphxyz
Miniature headers 6 4502 January 01, 2014
by Ralphxyz
BLDC 8 4556 December 23, 2013
by esoderberg
I need help finding a terminal. 17 5118 November 26, 2013
by Rick_S
GLCD SPI problems 14 8407 November 10, 2013
by andyi
Moving on... 7 4376 November 08, 2013
by Pr0ject
Power supply questions 4 5888 October 31, 2013
by sask55
OLED 4 4121 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 16038 September 22, 2013
by sask55
Opto Interrupter once again 14 8756 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 4567 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 11484 September 02, 2013
by Ralphxyz
USB cable specifications 7 5980 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 5011 August 27, 2013
by Affarram
XMEGA Breakout 8 5401 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 4112 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4780 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4814 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 11007 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 15654 June 18, 2013
by Noter
Two Wrongs Make it Right 3 4093 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4717 April 08, 2013
by pcbolt
Using diode to drop voltage 12 65899 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3923 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 4426 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 8585 March 14, 2013
by mongo
Current vs Voltage 8 5517 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 5133 March 09, 2013
by lnino
Electric current 2 3912 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6851 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 9530 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8954 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4959 February 24, 2013
by lnino
Relay Question 27 8205 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7872 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 5391 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 5298 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 5038 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4648 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 5259 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4607 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 5457 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3984 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 4072 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4562 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9950 November 18, 2012
by carlhako
SPI slave clock 6 4758 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 4168 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 30777 October 23, 2012
by Noter
NPN circuit connection quandry 4 4736 September 24, 2012
by edb
Simple I/O circuit 4 4390 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 4182 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3844 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 6595 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 4400 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6764 September 13, 2012
by dan_engbers
Electronics simulation 8 5040 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 7141 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 4305 August 20, 2012
by rblalock
louder sound 2 4077 August 18, 2012
by mongo
connector or cable for LCD display? 4 4298 August 13, 2012
by missle3944
Powering L.E.Ds 5 4420 August 09, 2012
by BobaMosfet
Wires in U.K 5 4894 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4799 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7729 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 7433 July 25, 2012
by bretm
Stepper Motor Direction Control 12 5207 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22703 July 21, 2012
by lnino
um help 6 3889 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4918 July 18, 2012
by Ralphxyz
help me 11 4778 July 03, 2012
by Rick_S
Crystal Oscillator question 2 4180 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 5458 June 24, 2012
by Ralphxyz
HELP 3 3933 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14832 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 4040 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5963 June 17, 2012
by RogerFL
Programmable current source 6 5917 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5549 June 11, 2012
by mongo
HELP 6 4253 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4633 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 50355 May 24, 2012
by Ralphxyz
i need a code 8 4657 May 15, 2012
by pcbolt
Clock Accuracy 30 9300 May 14, 2012
by HexManiac
Relays and Controlling them 9 4620 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4897 May 09, 2012
by RogerFL
Powering your NerdKit 7 4474 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 4502 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7697 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4920 April 24, 2012
by pcbolt
Programs will not run 6 4385 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 5009 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4693 April 09, 2012
by Ralphxyz
Path Lights controller 2 4254 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 4378 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4893 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 4472 April 01, 2012
by JamesFysh
Question on LCD screen 5 4481 March 30, 2012
by billtaichi
Is this Capaciator Good 4 4423 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5721 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 5355 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 9056 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4560 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5718 March 15, 2012
by mongo
Digital servo issues! 9 5066 March 15, 2012
by Rick_S
Brushless motor control 16 5417 March 12, 2012
by hevans
Windows not detecting device 3 4213 March 10, 2012
by hevans
Voltage throught MCU 5 4229 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 20008 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11772 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 20900 March 01, 2012
by hevans
Up and running... 3 4015 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4678 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 5038 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 4261 February 24, 2012
by Rick_S
programming lcd trubs 7 4317 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 5040 February 18, 2012
by Rick_S
Oscilloscope 15 6312 February 18, 2012
by Osarus
How far away can a LM34 be? 16 10781 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 5477 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4659 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 11215 February 09, 2012
by mongo
Data transmission 3 5224 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 5026 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 6594 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 4510 February 03, 2012
by BobaMosfet
connencting two ics to port 3 4076 January 31, 2012
by tchilzer2
H bridge questions 6 4849 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4590 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4987 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 5204 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 8322 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4860 January 15, 2012
by Rick_S
Source of power? 19 4989 January 13, 2012
by mongo
symbol defined please? 4 4707 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17882 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4601 January 06, 2012
by boxvic
Basic LED circuit properties 8 4819 January 06, 2012
by boxvic
Getting Started 3 4302 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 5489 January 02, 2012
by bodangly
SMD reflow 16 5582 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 4553 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 5232 December 23, 2011
by BobaMosfet
Potentiometer 8 6149 December 23, 2011
by huzbum
Fun with Op-Amps 3 6394 December 22, 2011
by treymd
Do I need an H-Bridge? 14 5467 December 19, 2011
by n1cl3
Odessy of the minds 5 4754 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 4120 November 27, 2011
by sazD
Initial Load 2 4788 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 5481 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 6171 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4844 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9963 November 10, 2011
by jfbrink
Servo Squitter Project 13 4582 November 09, 2011
by Heed
how do i run a program 4 4165 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 4414 November 07, 2011
by Heed
Motor control question 2 4212 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9801 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 4455 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 4348 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 96152 October 24, 2011
by glendon
Measuring Capacitance 9 5878 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4506 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 6241 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 22727 October 16, 2011
by sask55
RxD / TxD Questions 10 7652 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4584 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 4480 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4775 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 4282 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 13513 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5941 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 24340 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12987 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 4217 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7763 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13715 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8872 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 5319 September 01, 2011
by BobaMosfet
Dim LED 3 4151 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4680 August 23, 2011
by Twarter369
Easy Transistor Question 4 5303 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 7030 August 18, 2011
by Ralphxyz
Building a coil?? 12 7063 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4587 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 4232 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 4062 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 4010 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 24047 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 5335 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4746 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 4456 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4501 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 7271 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 4155 July 17, 2011
by codenamejupiterx
avr macpack 3 4532 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 4506 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4588 July 13, 2011
by BobaMosfet
Battery clip wires 3 4096 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3958 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 4258 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 4495 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4897 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 25176 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 4467 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4695 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6782 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4732 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4751 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4669 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 5208 June 06, 2011
by mja
A couple of questions 3 4375 June 06, 2011
by Ralphxyz
How much should I strip? 3 4441 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4931 June 01, 2011
by hevans
Motor Control/MCU power bus 5 4312 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4648 May 29, 2011
by Rick_S
Digital Input Question 4 4389 May 28, 2011
by frankdwest
PCB arrived 20 4383 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 5030 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23931 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4974 May 09, 2011
by Noter
IR current 6 4690 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 5396 May 04, 2011
by hariharan
Heat sensors 21 5766 May 04, 2011
by Hexorg
error 1 2 4229 May 02, 2011
by hevans
Transistor vs mosfet 13 12480 May 01, 2011
by Noter
PCB trace width calculator 3 5844 April 24, 2011
by esoderberg
OLED display 10 5536 April 23, 2011
by Rick_S
Power Supplies 17 6107 April 22, 2011
by BobBolinger
LCD & battery&USB 4 4212 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4925 April 21, 2011
by Rick_S
ADC Theremin Help... 1 4349 April 20, 2011
by jasongillikin
RF and oscoliscope 2 5377 April 19, 2011
by mongo
Connecting to external control voltages 4 4336 April 19, 2011
by bretm
IR current question 7 4450 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 5237 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 5416 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4703 April 10, 2011
by uml_12
Basic projects 3 4370 April 09, 2011
by mongo
REFLOW oven 22 7311 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 14566 April 07, 2011
by bretm
unexpected MCU rebooting 82 9321 April 05, 2011
by sask55
REFLOW Soldering 3 5292 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4675 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 7002 March 30, 2011
by bretm
Black Display on LCD 6 4648 March 28, 2011
by Druidman
32kHz clock 2 4292 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 11436 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11895 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 6483 March 16, 2011
by mongo
LCD problem 3 4694 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 5286 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 5395 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 4397 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 8048 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 5323 February 26, 2011
by amartinez
Why does my led light without the battery? 2 5273 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 12323 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8978 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5950 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 9407 February 19, 2011
by Lusitania
My first Impression 6 4793 February 16, 2011
by devinsbusiness
Understanding battery life 3 6065 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5695 February 13, 2011
by sask55
Using Devices With Different Voltages 11 5317 February 05, 2011
by BobaMosfet
High voltage lines 26 7482 February 02, 2011
by mongo
USB 3 4360 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 5402 February 02, 2011
by Jalex
Alternating LED circuit 4 5298 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 6627 January 31, 2011
by il1019
Affordable oscilloscopes 43 14670 January 27, 2011
by BStory
"And"gate unfinished thought 2 4484 January 27, 2011
by Hexorg
replace MCU? 30 9510 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 5049 January 25, 2011
by Ralphxyz
Multimeter! 12 7343 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5985 January 25, 2011
by Jalex
My LED Cube so far 25 10768 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5809 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 5229 January 18, 2011
by dgikuljot
Counting 5 4437 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 9075 January 17, 2011
by bretm
Programming 5 5295 January 14, 2011
by Ralphxyz
Induction loop actuator 7 5509 January 11, 2011
by Yourself
Begining 7 5582 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5969 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 5309 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4610 January 09, 2011
by mrobbins
UART operating at 3.3V 1 5150 January 06, 2011
by Mujda
Data input voltage 6 5143 January 03, 2011
by Rick_S
MOSFET Question 7 5301 December 31, 2010
by Keyster
Transistor as a switch 5 5332 December 29, 2010
by Hexorg
Resistors 5 5692 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 10560 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5545 December 28, 2010
by BobaMosfet
Relay ratings 2 4872 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 20164 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4716 December 17, 2010
by mongo
Power Rectifier 7 6351 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 7298 December 14, 2010
by danuke
This a decent oscilloscope? 8 5114 December 14, 2010
by danuke
Do resistors in series really add up? 8 6505 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5920 December 09, 2010
by bretm
L293 H-Bridge 15 6597 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6797 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6967 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5901 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 6402 November 24, 2010
by BobaMosfet
Op-amp not working 6 6702 November 24, 2010
by BobaMosfet
Python questions 4 5672 November 21, 2010
by tkopriva
CE Amp design 5 5176 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 5110 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4951 November 05, 2010
by Mujda
PC4 not working?! 8 4815 November 04, 2010
by hapshetsut
Amplifiers 4 4786 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5638 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5730 October 04, 2010
by Scythium
radio interference from NerdKit 11 4832 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 9473 September 14, 2010
by Ralphxyz
solar project with light sensors 7 5341 September 11, 2010
by akajester
QFP and dreadboard 2 5238 September 02, 2010
by bretm
Getting power to the spinning part... 5 5112 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 13005 August 30, 2010
by Ralphxyz
morse code decoder 2 5226 August 26, 2010
by jonathan_m
Connecting to Computer 3 5194 August 25, 2010
by awesome
555 astable on breadboard 12 6716 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4816 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 5329 August 19, 2010
by hevans
mosfet 3 4590 August 13, 2010
by hevans
Good material on learning electronics. 8 5581 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 4469 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 7117 August 02, 2010
by mrobbins
More batteries = more voltage? 3 6398 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9708 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6873 July 02, 2010
by mongo
Electro Cardio Gram 4 5727 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4524 June 12, 2010
by Wobbler
Voltage Regulator 20 6238 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5776 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 6437 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 6105 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 5294 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4536 June 06, 2010
by Kafke
TSSOP IC! 4 5301 June 03, 2010
by mrobbins
AVcc 2 5541 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4744 May 31, 2010
by hevans
Cable Driver 2 4418 May 31, 2010
by mongo
Best 9V adapter to use 2 4860 May 28, 2010
by mongo
Unidirectional microphones 5 5097 May 27, 2010
by mongo
Servo question 3 4577 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 5277 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 5117 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6791 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 11647 May 21, 2010
by hevans
Chinese Solenoid 15 5077 May 10, 2010
by treymd
avrisp mkii circuit 4 6319 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4649 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9926 May 07, 2010
by rajabalu21
Simple Power Switch 6 4742 May 05, 2010
by avicell
I can haz speed! 3 5082 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6581 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 5420 April 21, 2010
by bretm
Help with choosing the right resistor 10 6524 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 11127 April 15, 2010
by bretm
Resistor 4 4448 April 15, 2010
by mongo
MCU digital input pins 3 4631 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4940 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10807 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6890 March 28, 2010
by carlhako
Laptop ground safety question 3 4968 March 27, 2010
by ese
LM34 R-C Damper 5 6543 March 24, 2010
by BobaMosfet
NerdKits & USB 5 5265 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4525 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6574 March 23, 2010
by ese
constant system reset 3 4453 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 5224 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 6274 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5563 March 17, 2010
by Frozenlock
What is -VS? 6 8613 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 6382 March 04, 2010
by treymd
Using MCU to connect two wires 3 5454 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 10064 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4878 March 02, 2010
by Solorbob
Deciphering power resistors 11 5253 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4647 March 01, 2010
by nrotstan
Understanding LEDs 16 7812 March 01, 2010
by michaeldallas
What's the part I need? 5 4763 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11776 February 23, 2010
by rajabalu21
Too much power? 14 5497 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 6177 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 6101 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 13524 February 18, 2010
by Rick_S
Serial port interface circuit 2 5658 February 17, 2010
by mongo
OBDII project 3 4727 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 8272 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 7454 February 13, 2010
by BobaMosfet
Digital pots 5 4968 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 5272 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 6108 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 7524 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7675 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 5540 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 7253 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 11053 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5877 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 5118 December 27, 2009
by jgauthier
Servo Signal Noise 2 4684 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 8017 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 11464 December 10, 2009
by georgio
Relays and transistors 12 9477 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 9525 December 09, 2009
by Rick_S
IR Detector 7 8994 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5721 November 19, 2009
by mikedoug
Debug with lcd 6 5672 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 5162 November 15, 2009
by tech20
Understanding output pin characteristics 4 5039 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6988 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 5318 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 48789 October 30, 2009
by BobaMosfet
DIY header unit 2 5520 October 10, 2009
by rusirius
Thermostat Logging 6 7146 October 09, 2009
by luke
Understanding transistors 6 6855 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10815 October 07, 2009
by mikedoug
Currant booster 3 4669 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5656 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13637 August 27, 2009
by hevans
Which LED? 14 5406 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 6432 August 07, 2009
by mongo
pull up, pull down resistors 7 17830 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11753 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 7687 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 7079 July 07, 2009
by sector0
Reset switch for circuit 3 5331 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31953 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 6442 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 5217 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 5353 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5846 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 5183 May 06, 2009
by paulip

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