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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6555 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7134 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5899 April 12, 2016
by Ralphxyz
USBasp Help! 3 4833 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6865 May 04, 2015
by mongo
Need to replace Wall Watt 16 4295 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4094 April 10, 2015
by Noter
My new 3D Printer 44 19492 April 07, 2015
by Rick_S
AtMega 644 2 4199 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3322 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3794 June 02, 2014
by JKITSON
Automated programming mode? 9 4206 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3810 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3688 January 28, 2014
by lailai
What kind of error is this? 4 3714 January 23, 2014
by Noter
How to double a DC voltage? 20 10788 January 12, 2014
by JKITSON
Is the code the driver? 2 3391 January 12, 2014
by Ralphxyz
Miniature headers 6 3842 January 01, 2014
by Ralphxyz
BLDC 8 3781 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4230 November 26, 2013
by Rick_S
GLCD SPI problems 14 7613 November 10, 2013
by andyi
Moving on... 7 3697 November 08, 2013
by Pr0ject
Power supply questions 4 5016 October 31, 2013
by sask55
OLED 4 3391 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 14705 September 22, 2013
by sask55
Opto Interrupter once again 14 7795 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3800 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10563 September 02, 2013
by Ralphxyz
USB cable specifications 7 4945 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4170 August 27, 2013
by Affarram
XMEGA Breakout 8 4580 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3378 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4021 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4062 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 9815 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14539 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3339 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3832 April 08, 2013
by pcbolt
Using diode to drop voltage 12 63950 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3269 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3574 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7479 March 14, 2013
by mongo
Current vs Voltage 8 4463 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4390 March 09, 2013
by lnino
Electric current 2 3160 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6149 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8504 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 7802 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4203 February 24, 2013
by lnino
Relay Question 27 7369 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7060 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4647 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4542 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4244 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3808 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4376 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3807 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4608 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3322 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3371 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3890 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9086 November 18, 2012
by carlhako
SPI slave clock 6 4021 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3489 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 28240 October 23, 2012
by Noter
NPN circuit connection quandry 4 4078 September 24, 2012
by edb
Simple I/O circuit 4 3680 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3472 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3166 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5616 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3729 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5974 September 13, 2012
by dan_engbers
Electronics simulation 8 4316 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6357 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3611 August 20, 2012
by rblalock
louder sound 2 3395 August 18, 2012
by mongo
connector or cable for LCD display? 4 3584 August 13, 2012
by missle3944
Powering L.E.Ds 5 3694 August 09, 2012
by BobaMosfet
Wires in U.K 5 4237 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4125 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6808 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6659 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4468 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21823 July 21, 2012
by lnino
um help 6 3408 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4243 July 18, 2012
by Ralphxyz
help me 11 4023 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3506 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4737 June 24, 2012
by Ralphxyz
HELP 3 3295 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13900 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3415 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5228 June 17, 2012
by RogerFL
Programmable current source 6 5029 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4836 June 11, 2012
by mongo
HELP 6 3592 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3805 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48347 May 24, 2012
by Ralphxyz
i need a code 8 3992 May 15, 2012
by pcbolt
Clock Accuracy 30 8521 May 14, 2012
by HexManiac
Relays and Controlling them 9 3921 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4220 May 09, 2012
by RogerFL
Powering your NerdKit 7 3842 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3754 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6934 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4273 April 24, 2012
by pcbolt
Programs will not run 6 3656 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4321 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4050 April 09, 2012
by Ralphxyz
Path Lights controller 2 3547 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3665 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4190 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3839 April 01, 2012
by JamesFysh
Question on LCD screen 5 3782 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3747 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4970 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4589 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8266 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3925 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4922 March 15, 2012
by mongo
Digital servo issues! 9 4352 March 15, 2012
by Rick_S
Brushless motor control 16 4759 March 12, 2012
by hevans
Windows not detecting device 3 3564 March 10, 2012
by hevans
Voltage throught MCU 5 3511 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 18884 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10825 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19264 March 01, 2012
by hevans
Up and running... 3 3276 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3918 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4251 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3553 February 24, 2012
by Rick_S
programming lcd trubs 7 3608 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4313 February 18, 2012
by Rick_S
Oscilloscope 15 5473 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9710 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4792 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3951 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 9997 February 09, 2012
by mongo
Data transmission 3 4581 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4316 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5777 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3734 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3429 January 31, 2012
by tchilzer2
H bridge questions 6 4070 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3890 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4214 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4455 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7564 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4170 January 15, 2012
by Rick_S
Source of power? 19 4176 January 13, 2012
by mongo
symbol defined please? 4 4060 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16923 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3829 January 06, 2012
by boxvic
Basic LED circuit properties 8 4128 January 06, 2012
by boxvic
Getting Started 3 3646 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4785 January 02, 2012
by bodangly
SMD reflow 16 4817 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3829 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4561 December 23, 2011
by BobaMosfet
Potentiometer 8 5119 December 23, 2011
by huzbum
Fun with Op-Amps 3 5631 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4737 December 19, 2011
by n1cl3
Odessy of the minds 5 4052 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3471 November 27, 2011
by sazD
Initial Load 2 4082 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4607 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5510 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4134 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9085 November 10, 2011
by jfbrink
Servo Squitter Project 13 3879 November 09, 2011
by Heed
how do i run a program 4 3466 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3663 November 07, 2011
by Heed
Motor control question 2 3589 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 8850 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3710 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3729 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 93555 October 24, 2011
by glendon
Measuring Capacitance 9 5188 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3844 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5460 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21253 October 16, 2011
by sask55
RxD / TxD Questions 10 6722 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3911 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3783 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4021 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3602 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12289 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5244 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23406 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 11942 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3461 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7020 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12781 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8100 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4605 September 01, 2011
by BobaMosfet
Dim LED 3 3475 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3974 August 23, 2011
by Twarter369
Easy Transistor Question 4 4561 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6224 August 18, 2011
by Ralphxyz
Building a coil?? 12 6212 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3905 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3588 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3352 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3336 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 22958 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4706 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4023 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3774 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3790 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6553 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3476 July 17, 2011
by codenamejupiterx
avr macpack 3 3837 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3746 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3830 July 13, 2011
by BobaMosfet
Battery clip wires 3 3443 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3311 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3624 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3818 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4196 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 23866 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3777 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3996 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5947 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4012 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4052 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4053 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4374 June 06, 2011
by mja
A couple of questions 3 3641 June 06, 2011
by Ralphxyz
How much should I strip? 3 3770 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4185 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3641 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3942 May 29, 2011
by Rick_S
Digital Input Question 4 3750 May 28, 2011
by frankdwest
PCB arrived 20 3660 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4276 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22734 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4259 May 09, 2011
by Noter
IR current 6 3984 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4741 May 04, 2011
by hariharan
Heat sensors 21 4964 May 04, 2011
by Hexorg
error 1 2 3525 May 02, 2011
by hevans
Transistor vs mosfet 13 11571 May 01, 2011
by Noter
PCB trace width calculator 3 5090 April 24, 2011
by esoderberg
OLED display 10 4817 April 23, 2011
by Rick_S
Power Supplies 17 5377 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3593 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4191 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3518 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4538 April 19, 2011
by mongo
Connecting to external control voltages 4 3699 April 19, 2011
by bretm
IR current question 7 3760 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4508 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4705 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4012 April 10, 2011
by uml_12
Basic projects 3 3666 April 09, 2011
by mongo
REFLOW oven 22 6567 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13344 April 07, 2011
by bretm
unexpected MCU rebooting 82 8527 April 05, 2011
by sask55
REFLOW Soldering 3 4497 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3939 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6247 March 30, 2011
by bretm
Black Display on LCD 6 3972 March 28, 2011
by Druidman
32kHz clock 2 3676 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10617 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 10808 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5774 March 16, 2011
by mongo
LCD problem 3 4051 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4579 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4739 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3740 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7178 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4656 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4599 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11623 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7998 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5209 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8617 February 19, 2011
by Lusitania
My first Impression 6 3980 February 16, 2011
by devinsbusiness
Understanding battery life 3 5291 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4996 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4591 February 05, 2011
by BobaMosfet
High voltage lines 26 6567 February 02, 2011
by mongo
USB 3 3727 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4679 February 02, 2011
by Jalex
Alternating LED circuit 4 4506 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5778 January 31, 2011
by il1019
Affordable oscilloscopes 43 13572 January 27, 2011
by BStory
"And"gate unfinished thought 2 3645 January 27, 2011
by Hexorg
replace MCU? 30 8650 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4352 January 25, 2011
by Ralphxyz
Multimeter! 12 6552 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5218 January 25, 2011
by Jalex
My LED Cube so far 25 10027 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5122 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4566 January 18, 2011
by dgikuljot
Counting 5 3587 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8179 January 17, 2011
by bretm
Programming 5 4407 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4771 January 11, 2011
by Yourself
Begining 7 4855 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5220 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4612 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3870 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4303 January 06, 2011
by Mujda
Data input voltage 6 4475 January 03, 2011
by Rick_S
MOSFET Question 7 4503 December 31, 2010
by Keyster
Transistor as a switch 5 4430 December 29, 2010
by Hexorg
Resistors 5 4884 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9701 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4825 December 28, 2010
by BobaMosfet
Relay ratings 2 4194 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19205 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3874 December 17, 2010
by mongo
Power Rectifier 7 4425 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6433 December 14, 2010
by danuke
This a decent oscilloscope? 8 4399 December 14, 2010
by danuke
Do resistors in series really add up? 8 5666 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5196 December 09, 2010
by bretm
L293 H-Bridge 15 5792 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6015 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5961 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5049 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5680 November 24, 2010
by BobaMosfet
Op-amp not working 6 5917 November 24, 2010
by BobaMosfet
Python questions 4 4949 November 21, 2010
by tkopriva
CE Amp design 5 4453 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4374 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4226 November 05, 2010
by Mujda
PC4 not working?! 8 3877 November 04, 2010
by hapshetsut
Amplifiers 4 4107 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4952 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4992 October 04, 2010
by Scythium
radio interference from NerdKit 11 4036 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8761 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4587 September 11, 2010
by akajester
QFP and dreadboard 2 4435 September 02, 2010
by bretm
Getting power to the spinning part... 5 4432 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12075 August 30, 2010
by Ralphxyz
morse code decoder 2 4585 August 26, 2010
by jonathan_m
Connecting to Computer 3 4483 August 25, 2010
by awesome
555 astable on breadboard 12 6006 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4111 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4569 August 19, 2010
by hevans
mosfet 3 3912 August 13, 2010
by hevans
Good material on learning electronics. 8 4882 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3787 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6238 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5612 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8830 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6107 July 02, 2010
by mongo
Electro Cardio Gram 4 4920 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3863 June 12, 2010
by Wobbler
Voltage Regulator 20 5387 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5076 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5736 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5409 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4520 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3805 June 06, 2010
by Kafke
TSSOP IC! 4 4580 June 03, 2010
by mrobbins
AVcc 2 4815 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3966 May 31, 2010
by hevans
Cable Driver 2 3761 May 31, 2010
by mongo
Best 9V adapter to use 2 4094 May 28, 2010
by mongo
Unidirectional microphones 5 4416 May 27, 2010
by mongo
Servo question 3 3935 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4532 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4434 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6011 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10505 May 21, 2010
by hevans
Chinese Solenoid 15 4350 May 10, 2010
by treymd
avrisp mkii circuit 4 5586 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3948 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8983 May 07, 2010
by rajabalu21
Simple Power Switch 6 4062 May 05, 2010
by avicell
I can haz speed! 3 4386 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5819 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4691 April 21, 2010
by bretm
Help with choosing the right resistor 10 5745 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10110 April 15, 2010
by bretm
Resistor 4 3737 April 15, 2010
by mongo
MCU digital input pins 3 3952 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4174 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10088 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6216 March 28, 2010
by carlhako
Laptop ground safety question 3 4268 March 27, 2010
by ese
LM34 R-C Damper 5 5759 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4585 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3856 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5862 March 23, 2010
by ese
constant system reset 3 3749 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4495 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5408 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4878 March 17, 2010
by Frozenlock
What is -VS? 6 7602 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5725 March 04, 2010
by treymd
Using MCU to connect two wires 3 4681 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9131 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4163 March 02, 2010
by Solorbob
Deciphering power resistors 11 4521 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3906 March 01, 2010
by nrotstan
Understanding LEDs 16 6955 March 01, 2010
by michaeldallas
What's the part I need? 5 4001 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10938 February 23, 2010
by rajabalu21
Too much power? 14 4801 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5409 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5236 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12502 February 18, 2010
by Rick_S
Serial port interface circuit 2 4977 February 17, 2010
by mongo
OBDII project 3 4039 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7409 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6599 February 13, 2010
by BobaMosfet
Digital pots 5 4297 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4431 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5444 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6235 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6859 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4763 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6448 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10152 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5200 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4429 December 27, 2009
by jgauthier
Servo Signal Noise 2 3921 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7229 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10699 December 10, 2009
by georgio
Relays and transistors 12 8694 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8764 December 09, 2009
by Rick_S
IR Detector 7 8069 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4995 November 19, 2009
by mikedoug
Debug with lcd 6 4957 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4518 November 15, 2009
by tech20
Understanding output pin characteristics 4 4304 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6175 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4518 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47423 October 30, 2009
by BobaMosfet
DIY header unit 2 4826 October 10, 2009
by rusirius
Thermostat Logging 6 6356 October 09, 2009
by luke
Understanding transistors 6 6147 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9958 October 07, 2009
by mikedoug
Currant booster 3 3930 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5014 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12719 August 27, 2009
by hevans
Which LED? 14 4703 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5635 August 07, 2009
by mongo
pull up, pull down resistors 7 17064 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10856 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6742 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6291 July 07, 2009
by sector0
Reset switch for circuit 3 4552 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31276 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5672 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4519 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4638 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5200 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4476 May 06, 2009
by paulip

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