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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 6905 July 27, 2019
by BobaMosfet
mosfet control during start up 5 7281 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 6063 April 12, 2016
by Ralphxyz
USBasp Help! 3 4962 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 7044 May 04, 2015
by mongo
Need to replace Wall Watt 16 4443 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 4203 April 10, 2015
by Noter
My new 3D Printer 44 19649 April 07, 2015
by Rick_S
AtMega 644 2 4315 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 3434 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3919 June 02, 2014
by JKITSON
Automated programming mode? 9 4308 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3939 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3800 January 28, 2014
by lailai
What kind of error is this? 4 3825 January 23, 2014
by Noter
How to double a DC voltage? 20 10952 January 12, 2014
by JKITSON
Is the code the driver? 2 3484 January 12, 2014
by Ralphxyz
Miniature headers 6 3929 January 01, 2014
by Ralphxyz
BLDC 8 3893 December 23, 2013
by esoderberg
I need help finding a terminal. 17 4370 November 26, 2013
by Rick_S
GLCD SPI problems 14 7747 November 10, 2013
by andyi
Moving on... 7 3791 November 08, 2013
by Pr0ject
Power supply questions 4 5138 October 31, 2013
by sask55
OLED 4 3500 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 15035 September 22, 2013
by sask55
Opto Interrupter once again 14 7939 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 3902 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 10696 September 02, 2013
by Ralphxyz
USB cable specifications 7 5102 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 4294 August 27, 2013
by Affarram
XMEGA Breakout 8 4693 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 3491 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 4155 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 4190 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 10007 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 14727 June 18, 2013
by Noter
Two Wrongs Make it Right 3 3437 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3959 April 08, 2013
by pcbolt
Using diode to drop voltage 12 64411 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 3346 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3678 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 7651 March 14, 2013
by mongo
Current vs Voltage 8 4619 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 4499 March 09, 2013
by lnino
Electric current 2 3264 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 6232 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 8659 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 8025 February 28, 2013
by BobaMosfet
Control electronic door opener 15 4332 February 24, 2013
by lnino
Relay Question 27 7487 February 19, 2013
by Noter
Rotary Encoder how to?? 21 7187 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 4744 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 4716 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 4342 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3948 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 4528 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3911 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 4725 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 3427 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 3475 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3979 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 9198 November 18, 2012
by carlhako
SPI slave clock 6 4142 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 3569 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 29097 October 23, 2012
by Noter
NPN circuit connection quandry 4 4166 September 24, 2012
by edb
Simple I/O circuit 4 3783 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 3560 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 3264 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 5767 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3832 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 6093 September 13, 2012
by dan_engbers
Electronics simulation 8 4423 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 6495 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3722 August 20, 2012
by rblalock
louder sound 2 3488 August 18, 2012
by mongo
connector or cable for LCD display? 4 3663 August 13, 2012
by missle3944
Powering L.E.Ds 5 3805 August 09, 2012
by BobaMosfet
Wires in U.K 5 4350 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 4221 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 6981 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6810 July 25, 2012
by bretm
Stepper Motor Direction Control 12 4587 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 21956 July 21, 2012
by lnino
um help 6 3502 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 4345 July 18, 2012
by Ralphxyz
help me 11 4147 July 03, 2012
by Rick_S
Crystal Oscillator question 2 3589 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4831 June 24, 2012
by Ralphxyz
HELP 3 3402 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 14052 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 3519 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 5341 June 17, 2012
by RogerFL
Programmable current source 6 5150 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4960 June 11, 2012
by mongo
HELP 6 3673 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3954 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 48730 May 24, 2012
by Ralphxyz
i need a code 8 4083 May 15, 2012
by pcbolt
Clock Accuracy 30 8658 May 14, 2012
by HexManiac
Relays and Controlling them 9 4002 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 4319 May 09, 2012
by RogerFL
Powering your NerdKit 7 3935 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3845 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 7048 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 4360 April 24, 2012
by pcbolt
Programs will not run 6 3769 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 4432 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 4150 April 09, 2012
by Ralphxyz
Path Lights controller 2 3657 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3772 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 4293 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3913 April 01, 2012
by JamesFysh
Question on LCD screen 5 3913 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3847 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 5090 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 4699 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 8377 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 4009 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 5053 March 15, 2012
by mongo
Digital servo issues! 9 4453 March 15, 2012
by Rick_S
Brushless motor control 16 4848 March 12, 2012
by hevans
Windows not detecting device 3 3665 March 10, 2012
by hevans
Voltage throught MCU 5 3602 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 19064 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10972 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 19656 March 01, 2012
by hevans
Up and running... 3 3376 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 4042 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 4345 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 3658 February 24, 2012
by Rick_S
programming lcd trubs 7 3710 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 4423 February 18, 2012
by Rick_S
Oscilloscope 15 5601 February 18, 2012
by Osarus
How far away can a LM34 be? 16 9837 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4891 February 14, 2012
by Ralphxyz
It's true, we forget... 18 4063 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 10211 February 09, 2012
by mongo
Data transmission 3 4661 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 4424 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 5893 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3831 February 03, 2012
by BobaMosfet
connencting two ics to port 3 3540 January 31, 2012
by tchilzer2
H bridge questions 6 4161 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3999 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 4303 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 4585 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 7692 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 4257 January 15, 2012
by Rick_S
Source of power? 19 4304 January 13, 2012
by mongo
symbol defined please? 4 4170 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 17042 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3939 January 06, 2012
by boxvic
Basic LED circuit properties 8 4240 January 06, 2012
by boxvic
Getting Started 3 3757 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4898 January 02, 2012
by bodangly
SMD reflow 16 4948 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3896 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 4665 December 23, 2011
by BobaMosfet
Potentiometer 8 5276 December 23, 2011
by huzbum
Fun with Op-Amps 3 5775 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4854 December 19, 2011
by n1cl3
Odessy of the minds 5 4164 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 3563 November 27, 2011
by sazD
Initial Load 2 4177 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 4731 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 5613 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 4248 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 9243 November 10, 2011
by jfbrink
Servo Squitter Project 13 3976 November 09, 2011
by Heed
how do i run a program 4 3559 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3761 November 07, 2011
by Heed
Motor control question 2 3670 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 9021 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3802 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3817 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 94175 October 24, 2011
by glendon
Measuring Capacitance 9 5299 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3938 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 5589 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 21549 October 16, 2011
by sask55
RxD / TxD Questions 10 6857 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 4004 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3884 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 4129 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3715 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 12482 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 5324 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 23541 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 12153 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 3556 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 7135 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 12920 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 8228 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 4713 September 01, 2011
by BobaMosfet
Dim LED 3 3577 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 4092 August 23, 2011
by Twarter369
Easy Transistor Question 4 4676 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 6374 August 18, 2011
by Ralphxyz
Building a coil?? 12 6334 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 4000 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 3685 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 3486 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 3438 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 23110 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4782 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 4121 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3865 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3906 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 6682 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 3552 July 17, 2011
by codenamejupiterx
avr macpack 3 3944 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3865 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3944 July 13, 2011
by BobaMosfet
Battery clip wires 3 3528 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 3386 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3728 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3911 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 4310 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 24193 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3885 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 4102 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 6059 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 4107 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 4158 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 4149 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 4494 June 06, 2011
by mja
A couple of questions 3 3758 June 06, 2011
by Ralphxyz
How much should I strip? 3 3868 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 4294 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3756 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 4069 May 29, 2011
by Rick_S
Digital Input Question 4 3864 May 28, 2011
by frankdwest
PCB arrived 20 3754 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 4372 May 24, 2011
by gcharris
Calculating bypass capacitor 6 22962 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 4356 May 09, 2011
by Noter
IR current 6 4087 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4826 May 04, 2011
by hariharan
Heat sensors 21 5066 May 04, 2011
by Hexorg
error 1 2 3626 May 02, 2011
by hevans
Transistor vs mosfet 13 11684 May 01, 2011
by Noter
PCB trace width calculator 3 5192 April 24, 2011
by esoderberg
OLED display 10 4912 April 23, 2011
by Rick_S
Power Supplies 17 5494 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3698 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 4318 April 21, 2011
by Rick_S
ADC Theremin Help... 1 3657 April 20, 2011
by jasongillikin
RF and oscoliscope 2 4669 April 19, 2011
by mongo
Connecting to external control voltages 4 3784 April 19, 2011
by bretm
IR current question 7 3852 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 4613 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4811 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 4113 April 10, 2011
by uml_12
Basic projects 3 3752 April 09, 2011
by mongo
REFLOW oven 22 6694 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 13559 April 07, 2011
by bretm
unexpected MCU rebooting 82 8651 April 05, 2011
by sask55
REFLOW Soldering 3 4613 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 4054 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 6383 March 30, 2011
by bretm
Black Display on LCD 6 4067 March 28, 2011
by Druidman
32kHz clock 2 3752 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 10763 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 11000 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5889 March 16, 2011
by mongo
LCD problem 3 4146 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 4691 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4814 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3836 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 7297 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4760 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4686 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 11721 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 8167 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 5312 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 8794 February 19, 2011
by Lusitania
My first Impression 6 4073 February 16, 2011
by devinsbusiness
Understanding battery life 3 5421 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 5108 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4712 February 05, 2011
by BobaMosfet
High voltage lines 26 6709 February 02, 2011
by mongo
USB 3 3831 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4798 February 02, 2011
by Jalex
Alternating LED circuit 4 4596 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5878 January 31, 2011
by il1019
Affordable oscilloscopes 43 13687 January 27, 2011
by BStory
"And"gate unfinished thought 2 3736 January 27, 2011
by Hexorg
replace MCU? 30 8782 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 4454 January 25, 2011
by Ralphxyz
Multimeter! 12 6662 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 5349 January 25, 2011
by Jalex
My LED Cube so far 25 10118 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 5223 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 4655 January 18, 2011
by dgikuljot
Counting 5 3714 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 8292 January 17, 2011
by bretm
Programming 5 4503 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4896 January 11, 2011
by Yourself
Begining 7 4961 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 5337 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4726 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3980 January 09, 2011
by mrobbins
UART operating at 3.3V 1 4399 January 06, 2011
by Mujda
Data input voltage 6 4583 January 03, 2011
by Rick_S
MOSFET Question 7 4616 December 31, 2010
by Keyster
Transistor as a switch 5 4540 December 29, 2010
by Hexorg
Resistors 5 4991 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 9863 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4912 December 28, 2010
by BobaMosfet
Relay ratings 2 4291 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 19375 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3981 December 17, 2010
by mongo
Power Rectifier 7 4527 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 6540 December 14, 2010
by danuke
This a decent oscilloscope? 8 4508 December 14, 2010
by danuke
Do resistors in series really add up? 8 5822 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 5300 December 09, 2010
by bretm
L293 H-Bridge 15 5913 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 6143 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 6113 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 5162 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5803 November 24, 2010
by BobaMosfet
Op-amp not working 6 6053 November 24, 2010
by BobaMosfet
Python questions 4 5064 November 21, 2010
by tkopriva
CE Amp design 5 4559 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 4484 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 4344 November 05, 2010
by Mujda
PC4 not working?! 8 3985 November 04, 2010
by hapshetsut
Amplifiers 4 4208 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 5045 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 5098 October 04, 2010
by Scythium
radio interference from NerdKit 11 4164 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 8874 September 14, 2010
by Ralphxyz
solar project with light sensors 7 4707 September 11, 2010
by akajester
QFP and dreadboard 2 4647 September 02, 2010
by bretm
Getting power to the spinning part... 5 4540 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 12183 August 30, 2010
by Ralphxyz
morse code decoder 2 4681 August 26, 2010
by jonathan_m
Connecting to Computer 3 4597 August 25, 2010
by awesome
555 astable on breadboard 12 6107 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 4236 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 4670 August 19, 2010
by hevans
mosfet 3 4019 August 13, 2010
by hevans
Good material on learning electronics. 8 4978 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3906 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 6368 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5726 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8945 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 6238 July 02, 2010
by mongo
Electro Cardio Gram 4 5052 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3966 June 12, 2010
by Wobbler
Voltage Regulator 20 5510 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 5171 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5827 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 5508 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 4663 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3925 June 06, 2010
by Kafke
TSSOP IC! 4 4679 June 03, 2010
by mrobbins
AVcc 2 4930 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 4069 May 31, 2010
by hevans
Cable Driver 2 3857 May 31, 2010
by mongo
Best 9V adapter to use 2 4198 May 28, 2010
by mongo
Unidirectional microphones 5 4512 May 27, 2010
by mongo
Servo question 3 4016 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 4634 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 4541 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 6135 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 10741 May 21, 2010
by hevans
Chinese Solenoid 15 4466 May 10, 2010
by treymd
avrisp mkii circuit 4 5700 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 4064 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 9102 May 07, 2010
by rajabalu21
Simple Power Switch 6 4155 May 05, 2010
by avicell
I can haz speed! 3 4484 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5938 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4787 April 21, 2010
by bretm
Help with choosing the right resistor 10 5868 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 10298 April 15, 2010
by bretm
Resistor 4 3835 April 15, 2010
by mongo
MCU digital input pins 3 4055 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 4278 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 10198 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 6313 March 28, 2010
by carlhako
Laptop ground safety question 3 4377 March 27, 2010
by ese
LM34 R-C Damper 5 5864 March 24, 2010
by BobaMosfet
NerdKits & USB 5 4686 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3950 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5961 March 23, 2010
by ese
constant system reset 3 3859 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 4607 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 5557 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4987 March 17, 2010
by Frozenlock
What is -VS? 6 7777 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5840 March 04, 2010
by treymd
Using MCU to connect two wires 3 4785 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 9289 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 4253 March 02, 2010
by Solorbob
Deciphering power resistors 11 4642 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3999 March 01, 2010
by nrotstan
Understanding LEDs 16 7073 March 01, 2010
by michaeldallas
What's the part I need? 5 4113 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 11070 February 23, 2010
by rajabalu21
Too much power? 14 4910 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 5530 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 5381 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 12658 February 18, 2010
by Rick_S
Serial port interface circuit 2 5090 February 17, 2010
by mongo
OBDII project 3 4151 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 7533 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 6757 February 13, 2010
by BobaMosfet
Digital pots 5 4385 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 4536 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 5564 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 6449 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6998 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 4900 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 6585 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 10338 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 5312 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 4543 December 27, 2009
by jgauthier
Servo Signal Noise 2 4052 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 7350 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10835 December 10, 2009
by georgio
Relays and transistors 12 8828 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 8890 December 09, 2009
by Rick_S
IR Detector 7 8218 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 5111 November 19, 2009
by mikedoug
Debug with lcd 6 5081 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 4616 November 15, 2009
by tech20
Understanding output pin characteristics 4 4409 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 6288 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 4634 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 47764 October 30, 2009
by BobaMosfet
DIY header unit 2 4941 October 10, 2009
by rusirius
Thermostat Logging 6 6489 October 09, 2009
by luke
Understanding transistors 6 6272 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 10108 October 07, 2009
by mikedoug
Currant booster 3 4041 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 5099 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 12899 August 27, 2009
by hevans
Which LED? 14 4834 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5752 August 07, 2009
by mongo
pull up, pull down resistors 7 17173 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 11010 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6885 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 6426 July 07, 2009
by sector0
Reset switch for circuit 3 4659 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 31389 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 5805 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 4625 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4739 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 5288 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 4588 May 06, 2009
by paulip

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