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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 7245 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7389 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6174 April 12, 2016
by Ralphxyz
USBasp Help! 3 5068 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7172 May 04, 2015
by mongo
Need to replace Wall Watt 16 4547 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4299 April 10, 2015
by Noter
My new 3D Printer 44 19810 April 07, 2015
by Rick_S
AtMega 644 2 4385 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3510 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 4013 June 02, 2014
by JKITSON
Automated programming mode? 9 4396 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 4035 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3907 January 28, 2014
by lailai
What kind of error is this? 4 3901 January 23, 2014
by Noter
How to double a DC voltage? 20 11084 January 12, 2014
by JKITSON
Is the code the driver? 2 3577 January 12, 2014
by Ralphxyz
Miniature headers 6 4005 January 01, 2014
by Ralphxyz
BLDC 8 4007 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4466 November 26, 2013
by Rick_S
GLCD SPI problems 14 7856 November 10, 2013
by andyi
Moving on... 7 3875 November 08, 2013
by Pr0ject
Power supply questions 4 5250 October 31, 2013
by sask55
OLED 4 3577 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15248 September 22, 2013
by sask55
Opto Interrupter once again 14 8044 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3981 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10794 September 02, 2013
by Ralphxyz
USB cable specifications 7 5241 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4406 August 27, 2013
by Affarram
XMEGA Breakout 8 4782 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3579 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4257 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4292 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10160 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14874 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3510 May 22, 2013
by meltbox360
accurate time for a real time clock 5 4055 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64704 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3418 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3787 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7830 March 14, 2013
by mongo
Current vs Voltage 8 4753 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4588 March 09, 2013
by lnino
Electric current 2 3340 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6318 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8791 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8203 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4439 February 24, 2013
by lnino
Relay Question 27 7596 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7293 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4831 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4800 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4443 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 4039 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4646 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 4003 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4837 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3501 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3555 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 4063 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9309 November 18, 2012
by carlhako
SPI slave clock 6 4230 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3638 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29372 October 23, 2012
by Noter
NPN circuit connection quandry 4 4236 September 24, 2012
by edb
Simple I/O circuit 4 3889 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3646 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3336 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5932 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3913 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6174 September 13, 2012
by dan_engbers
Electronics simulation 8 4510 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6595 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3813 August 20, 2012
by rblalock
louder sound 2 3562 August 18, 2012
by mongo
connector or cable for LCD display? 4 3730 August 13, 2012
by missle3944
Powering L.E.Ds 5 3898 August 09, 2012
by BobaMosfet
Wires in U.K 5 4418 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4297 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 7102 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6903 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4681 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 22083 July 21, 2012
by lnino
um help 6 3575 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4420 July 18, 2012
by Ralphxyz
help me 11 4249 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3674 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4918 June 24, 2012
by Ralphxyz
HELP 3 3475 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14182 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3587 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5424 June 17, 2012
by RogerFL
Programmable current source 6 5314 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 5062 June 11, 2012
by mongo
HELP 6 3753 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 4062 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 49022 May 24, 2012
by Ralphxyz
i need a code 8 4172 May 15, 2012
by pcbolt
Clock Accuracy 30 8755 May 14, 2012
by HexManiac
Relays and Controlling them 9 4082 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4388 May 09, 2012
by RogerFL
Powering your NerdKit 7 4015 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3926 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7149 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4431 April 24, 2012
by pcbolt
Programs will not run 6 3860 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4522 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4221 April 09, 2012
by Ralphxyz
Path Lights controller 2 3734 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3862 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4389 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3989 April 01, 2012
by JamesFysh
Question on LCD screen 5 3986 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3941 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5177 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4786 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8481 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4079 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5149 March 15, 2012
by mongo
Digital servo issues! 9 4536 March 15, 2012
by Rick_S
Brushless motor control 16 4923 March 12, 2012
by hevans
Windows not detecting device 3 3741 March 10, 2012
by hevans
Voltage throught MCU 5 3695 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19232 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 11127 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19909 March 01, 2012
by hevans
Up and running... 3 3462 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4137 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4428 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3745 February 24, 2012
by Rick_S
programming lcd trubs 7 3778 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4518 February 18, 2012
by Rick_S
Oscilloscope 15 5727 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9974 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4987 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4145 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10372 February 09, 2012
by mongo
Data transmission 3 4735 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4502 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5976 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3912 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3613 January 31, 2012
by tchilzer2
H bridge questions 6 4243 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 4087 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4404 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4675 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7787 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4355 January 15, 2012
by Rick_S
Source of power? 19 4392 January 13, 2012
by mongo
symbol defined please? 4 4238 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17164 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 4013 January 06, 2012
by boxvic
Basic LED circuit properties 8 4327 January 06, 2012
by boxvic
Getting Started 3 3825 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4989 January 02, 2012
by bodangly
SMD reflow 16 5047 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3963 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4740 December 23, 2011
by BobaMosfet
Potentiometer 8 5386 December 23, 2011
by huzbum
Fun with Op-Amps 3 5874 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4945 December 19, 2011
by n1cl3
Odessy of the minds 5 4233 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3635 November 27, 2011
by sazD
Initial Load 2 4267 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4833 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5700 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4349 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9365 November 10, 2011
by jfbrink
Servo Squitter Project 13 4062 November 09, 2011
by Heed
how do i run a program 4 3624 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3853 November 07, 2011
by Heed
Motor control question 2 3740 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9149 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3914 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3886 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94551 October 24, 2011
by glendon
Measuring Capacitance 9 5372 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 4008 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5684 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21753 October 16, 2011
by sask55
RxD / TxD Questions 10 6963 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4094 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3968 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4208 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3778 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12626 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5403 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23653 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12303 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3644 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7227 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 13050 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8330 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4814 September 01, 2011
by BobaMosfet
Dim LED 3 3648 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4175 August 23, 2011
by Twarter369
Easy Transistor Question 4 4763 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6482 August 18, 2011
by Ralphxyz
Building a coil?? 12 6437 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4092 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3754 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3570 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3517 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23248 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4853 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4208 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3953 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 4010 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6774 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3618 July 17, 2011
by codenamejupiterx
avr macpack 3 4022 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3948 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 4027 July 13, 2011
by BobaMosfet
Battery clip wires 3 3613 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3459 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3808 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3994 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4396 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24396 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3969 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4177 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6147 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4184 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4244 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4220 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4605 June 06, 2011
by mja
A couple of questions 3 3852 June 06, 2011
by Ralphxyz
How much should I strip? 3 3941 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4393 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3842 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4148 May 29, 2011
by Rick_S
Digital Input Question 4 3928 May 28, 2011
by frankdwest
PCB arrived 20 3832 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4462 May 24, 2011
by gcharris
Calculating bypass capacitor 6 23144 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4429 May 09, 2011
by Noter
IR current 6 4182 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4903 May 04, 2011
by hariharan
Heat sensors 21 5163 May 04, 2011
by Hexorg
error 1 2 3699 May 02, 2011
by hevans
Transistor vs mosfet 13 11788 May 01, 2011
by Noter
PCB trace width calculator 3 5277 April 24, 2011
by esoderberg
OLED display 10 4996 April 23, 2011
by Rick_S
Power Supplies 17 5578 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3770 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4398 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3751 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4792 April 19, 2011
by mongo
Connecting to external control voltages 4 3863 April 19, 2011
by bretm
IR current question 7 3923 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4693 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4892 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4195 April 10, 2011
by uml_12
Basic projects 3 3839 April 09, 2011
by mongo
REFLOW oven 22 6788 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13721 April 07, 2011
by bretm
unexpected MCU rebooting 82 8760 April 05, 2011
by sask55
REFLOW Soldering 3 4713 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4141 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6492 March 30, 2011
by bretm
Black Display on LCD 6 4137 March 28, 2011
by Druidman
32kHz clock 2 3822 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10887 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11192 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5978 March 16, 2011
by mongo
LCD problem 3 4224 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4779 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4896 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3912 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7415 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4853 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4772 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11811 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8287 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5403 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8900 February 19, 2011
by Lusitania
My first Impression 6 4158 February 16, 2011
by devinsbusiness
Understanding battery life 3 5526 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5189 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4809 February 05, 2011
by BobaMosfet
High voltage lines 26 6809 February 02, 2011
by mongo
USB 3 3902 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4884 February 02, 2011
by Jalex
Alternating LED circuit 4 4665 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5956 January 31, 2011
by il1019
Affordable oscilloscopes 43 13801 January 27, 2011
by BStory
"And"gate unfinished thought 2 3819 January 27, 2011
by Hexorg
replace MCU? 30 8881 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4540 January 25, 2011
by Ralphxyz
Multimeter! 12 6758 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5439 January 25, 2011
by Jalex
My LED Cube so far 25 10203 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5304 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4731 January 18, 2011
by dgikuljot
Counting 5 3793 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8389 January 17, 2011
by bretm
Programming 5 4587 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4986 January 11, 2011
by Yourself
Begining 7 5047 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5441 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4825 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 4082 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4497 January 06, 2011
by Mujda
Data input voltage 6 4660 January 03, 2011
by Rick_S
MOSFET Question 7 4697 December 31, 2010
by Keyster
Transistor as a switch 5 4631 December 29, 2010
by Hexorg
Resistors 5 5064 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9968 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 5019 December 28, 2010
by BobaMosfet
Relay ratings 2 4374 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19489 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 4064 December 17, 2010
by mongo
Power Rectifier 7 4619 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6643 December 14, 2010
by danuke
This a decent oscilloscope? 8 4593 December 14, 2010
by danuke
Do resistors in series really add up? 8 5934 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5384 December 09, 2010
by bretm
L293 H-Bridge 15 6016 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6241 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6212 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5264 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5902 November 24, 2010
by BobaMosfet
Op-amp not working 6 6173 November 24, 2010
by BobaMosfet
Python questions 4 5140 November 21, 2010
by tkopriva
CE Amp design 5 4645 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4567 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4436 November 05, 2010
by Mujda
PC4 not working?! 8 4073 November 04, 2010
by hapshetsut
Amplifiers 4 4284 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5120 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5189 October 04, 2010
by Scythium
radio interference from NerdKit 11 4291 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8957 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4802 September 11, 2010
by akajester
QFP and dreadboard 2 4720 September 02, 2010
by bretm
Getting power to the spinning part... 5 4612 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12278 August 30, 2010
by Ralphxyz
morse code decoder 2 4749 August 26, 2010
by jonathan_m
Connecting to Computer 3 4670 August 25, 2010
by awesome
555 astable on breadboard 12 6189 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4313 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4751 August 19, 2010
by hevans
mosfet 3 4088 August 13, 2010
by hevans
Good material on learning electronics. 8 5065 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3988 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6497 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5807 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 9058 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6327 July 02, 2010
by mongo
Electro Cardio Gram 4 5153 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 4035 June 12, 2010
by Wobbler
Voltage Regulator 20 5634 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5259 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5911 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5596 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4786 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 4022 June 06, 2010
by Kafke
TSSOP IC! 4 4750 June 03, 2010
by mrobbins
AVcc 2 5019 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4157 May 31, 2010
by hevans
Cable Driver 2 3930 May 31, 2010
by mongo
Best 9V adapter to use 2 4273 May 28, 2010
by mongo
Unidirectional microphones 5 4583 May 27, 2010
by mongo
Servo question 3 4087 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4720 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4624 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6224 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10909 May 21, 2010
by hevans
Chinese Solenoid 15 4551 May 10, 2010
by treymd
avrisp mkii circuit 4 5791 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4129 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9244 May 07, 2010
by rajabalu21
Simple Power Switch 6 4239 May 05, 2010
by avicell
I can haz speed! 3 4574 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 6036 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4859 April 21, 2010
by bretm
Help with choosing the right resistor 10 5992 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10460 April 15, 2010
by bretm
Resistor 4 3910 April 15, 2010
by mongo
MCU digital input pins 3 4123 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4351 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10279 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6382 March 28, 2010
by carlhako
Laptop ground safety question 3 4445 March 27, 2010
by ese
LM34 R-C Damper 5 5931 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4762 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 4015 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 6049 March 23, 2010
by ese
constant system reset 3 3942 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4685 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5683 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 5062 March 17, 2010
by Frozenlock
What is -VS? 6 7902 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5910 March 04, 2010
by treymd
Using MCU to connect two wires 3 4859 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9429 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4317 March 02, 2010
by Solorbob
Deciphering power resistors 11 4727 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 4071 March 01, 2010
by nrotstan
Understanding LEDs 16 7190 March 01, 2010
by michaeldallas
What's the part I need? 5 4205 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11182 February 23, 2010
by rajabalu21
Too much power? 14 4995 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5622 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5504 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12847 February 18, 2010
by Rick_S
Serial port interface circuit 2 5170 February 17, 2010
by mongo
OBDII project 3 4224 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7655 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6867 February 13, 2010
by BobaMosfet
Digital pots 5 4455 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4629 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5636 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6908 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 7115 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4988 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6683 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10421 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5394 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4610 December 27, 2009
by jgauthier
Servo Signal Noise 2 4131 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7436 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10928 December 10, 2009
by georgio
Relays and transistors 12 8923 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8988 December 09, 2009
by Rick_S
IR Detector 7 8355 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5193 November 19, 2009
by mikedoug
Debug with lcd 6 5173 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4696 November 15, 2009
by tech20
Understanding output pin characteristics 4 4511 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6385 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4745 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47982 October 30, 2009
by BobaMosfet
DIY header unit 2 5025 October 10, 2009
by rusirius
Thermostat Logging 6 6582 October 09, 2009
by luke
Understanding transistors 6 6366 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10216 October 07, 2009
by mikedoug
Currant booster 3 4123 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5161 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 13016 August 27, 2009
by hevans
Which LED? 14 4918 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5849 August 07, 2009
by mongo
pull up, pull down resistors 7 17269 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11127 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6979 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6522 July 07, 2009
by sector0
Reset switch for circuit 3 4745 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31473 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5908 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4705 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4834 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5361 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4668 May 06, 2009
by paulip

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