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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 5063 July 27, 2019
by BobaMosfet
mosfet control during start up 5 6333 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 5128 April 12, 2016
by Ralphxyz
USBasp Help! 3 4009 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 6033 May 04, 2015
by mongo
Need to replace Wall Watt 16 3091 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 3355 April 10, 2015
by Noter
My new 3D Printer 44 18491 April 07, 2015
by Rick_S
AtMega 644 2 3557 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2721 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 3155 June 02, 2014
by JKITSON
Automated programming mode? 9 3509 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 3169 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 3049 January 28, 2014
by lailai
What kind of error is this? 4 3114 January 23, 2014
by Noter
How to double a DC voltage? 20 9233 January 12, 2014
by JKITSON
Is the code the driver? 2 2762 January 12, 2014
by Ralphxyz
Miniature headers 6 3178 January 01, 2014
by Ralphxyz
BLDC 8 3141 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3573 November 26, 2013
by Rick_S
GLCD SPI problems 14 6832 November 10, 2013
by andyi
Moving on... 7 3122 November 08, 2013
by Pr0ject
Power supply questions 4 3947 October 31, 2013
by sask55
OLED 4 2808 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 13292 September 22, 2013
by sask55
Opto Interrupter once again 14 6698 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2991 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9806 September 02, 2013
by Ralphxyz
USB cable specifications 7 3827 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 3305 August 27, 2013
by Affarram
XMEGA Breakout 8 3581 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2787 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 3359 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3360 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8905 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 13330 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2770 May 22, 2013
by meltbox360
accurate time for a real time clock 5 3244 April 08, 2013
by pcbolt
Using diode to drop voltage 12 61273 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2673 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 3013 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 5933 March 14, 2013
by mongo
Current vs Voltage 8 3848 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3752 March 09, 2013
by lnino
Electric current 2 2626 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5476 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 7405 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 6730 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3415 February 24, 2013
by lnino
Relay Question 27 6652 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5985 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3941 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3958 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3620 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 3232 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3714 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 3240 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3975 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2762 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2821 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 3067 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 8381 November 18, 2012
by carlhako
SPI slave clock 6 3379 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2930 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 25010 October 23, 2012
by Noter
NPN circuit connection quandry 4 3480 September 24, 2012
by edb
Simple I/O circuit 4 3000 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2919 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2589 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4622 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 3150 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 5360 September 13, 2012
by dan_engbers
Electronics simulation 8 3730 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5632 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 3036 August 20, 2012
by rblalock
louder sound 2 2836 August 18, 2012
by mongo
connector or cable for LCD display? 4 3002 August 13, 2012
by missle3944
Powering L.E.Ds 5 3108 August 09, 2012
by BobaMosfet
Wires in U.K 5 3239 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 3367 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 5599 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 6027 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3800 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 20456 July 21, 2012
by lnino
um help 6 2864 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3653 July 18, 2012
by Ralphxyz
help me 11 3435 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2930 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 4069 June 24, 2012
by Ralphxyz
HELP 3 2699 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 13147 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2864 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 4287 June 17, 2012
by RogerFL
Programmable current source 6 4315 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 4251 June 11, 2012
by mongo
HELP 6 3033 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 3249 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 45520 May 24, 2012
by Ralphxyz
i need a code 8 3424 May 15, 2012
by pcbolt
Clock Accuracy 30 7493 May 14, 2012
by HexManiac
Relays and Controlling them 9 3303 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3681 May 09, 2012
by RogerFL
Powering your NerdKit 7 3273 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 3211 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 6271 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3457 April 24, 2012
by pcbolt
Programs will not run 6 3103 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3694 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 3306 April 09, 2012
by Ralphxyz
Path Lights controller 2 2980 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 3126 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3604 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 3294 April 01, 2012
by JamesFysh
Question on LCD screen 5 3187 March 30, 2012
by billtaichi
Is this Capaciator Good 4 3168 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4387 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3809 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 7320 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 3364 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 4053 March 15, 2012
by mongo
Digital servo issues! 9 3581 March 15, 2012
by Rick_S
Brushless motor control 16 4046 March 12, 2012
by hevans
Windows not detecting device 3 2995 March 10, 2012
by hevans
Voltage throught MCU 5 2970 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17996 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 10093 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 16444 March 01, 2012
by hevans
Up and running... 3 2731 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 3315 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3647 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2984 February 24, 2012
by Rick_S
programming lcd trubs 7 3064 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3723 February 18, 2012
by Rick_S
Oscilloscope 15 4863 February 18, 2012
by Osarus
How far away can a LM34 be? 16 8870 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 4272 February 14, 2012
by Ralphxyz
It's true, we forget... 18 3241 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 8553 February 09, 2012
by mongo
Data transmission 3 3675 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3722 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4817 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 3118 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2821 January 31, 2012
by tchilzer2
H bridge questions 6 3496 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 3308 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3588 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3862 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6712 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3501 January 15, 2012
by Rick_S
Source of power? 19 3471 January 13, 2012
by mongo
symbol defined please? 4 3426 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 16081 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 3089 January 06, 2012
by boxvic
Basic LED circuit properties 8 3496 January 06, 2012
by boxvic
Getting Started 3 3088 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 4052 January 02, 2012
by bodangly
SMD reflow 16 4211 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 3288 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3814 December 23, 2011
by BobaMosfet
Potentiometer 8 4185 December 23, 2011
by huzbum
Fun with Op-Amps 3 4917 December 22, 2011
by treymd
Do I need an H-Bridge? 14 4001 December 19, 2011
by n1cl3
Odessy of the minds 5 3491 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2908 November 27, 2011
by sazD
Initial Load 2 3517 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3933 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4829 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3569 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 8258 November 10, 2011
by jfbrink
Servo Squitter Project 13 3297 November 09, 2011
by Heed
how do i run a program 4 2919 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 3096 November 07, 2011
by Heed
Motor control question 2 3021 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 7781 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 3171 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 3155 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 87348 October 24, 2011
by glendon
Measuring Capacitance 9 4561 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 3325 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4571 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 18317 October 16, 2011
by sask55
RxD / TxD Questions 10 6008 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3368 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 3206 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 3106 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 3065 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 10853 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4647 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 22181 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 10448 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2922 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 6364 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 11822 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7432 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3717 September 01, 2011
by BobaMosfet
Dim LED 3 2932 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3430 August 23, 2011
by Twarter369
Easy Transistor Question 4 3917 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 5213 August 18, 2011
by Ralphxyz
Building a coil?? 12 5554 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3364 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2984 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2779 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2778 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 21772 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 4109 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 3150 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 3226 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 3221 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5725 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2926 July 17, 2011
by codenamejupiterx
avr macpack 3 3135 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 3193 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 3265 July 13, 2011
by BobaMosfet
Battery clip wires 3 2900 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2769 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 3029 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 3274 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3571 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 20797 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 3195 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 3094 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 5223 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3443 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3509 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3298 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3653 June 06, 2011
by mja
A couple of questions 3 3074 June 06, 2011
by Ralphxyz
How much should I strip? 3 2901 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3546 June 01, 2011
by hevans
Motor Control/MCU power bus 5 3082 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3385 May 29, 2011
by Rick_S
Digital Input Question 4 3185 May 28, 2011
by frankdwest
PCB arrived 20 3116 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3736 May 24, 2011
by gcharris
Calculating bypass capacitor 6 20585 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3721 May 09, 2011
by Noter
IR current 6 3417 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 4179 May 04, 2011
by hariharan
Heat sensors 21 4397 May 04, 2011
by Hexorg
error 1 2 2972 May 02, 2011
by hevans
Transistor vs mosfet 13 10921 May 01, 2011
by Noter
PCB trace width calculator 3 4472 April 24, 2011
by esoderberg
OLED display 10 3795 April 23, 2011
by Rick_S
Power Supplies 17 4803 April 22, 2011
by BobBolinger
LCD & battery&USB 4 3046 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3561 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2952 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3643 April 19, 2011
by mongo
Connecting to external control voltages 4 3161 April 19, 2011
by bretm
IR current question 7 3212 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3793 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 4113 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3478 April 10, 2011
by uml_12
Basic projects 3 3119 April 09, 2011
by mongo
REFLOW oven 22 5859 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 11993 April 07, 2011
by bretm
unexpected MCU rebooting 82 7919 April 05, 2011
by sask55
REFLOW Soldering 3 3878 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3406 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5585 March 30, 2011
by bretm
Black Display on LCD 6 3413 March 28, 2011
by Druidman
32kHz clock 2 3139 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 9352 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 9092 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 5099 March 16, 2011
by mongo
LCD problem 3 3485 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3986 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 4169 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 3205 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 6247 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 4093 February 26, 2011
by amartinez
Why does my led light without the battery? 2 4057 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 10519 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 7259 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4629 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7945 February 19, 2011
by Lusitania
My first Impression 6 3413 February 16, 2011
by devinsbusiness
Understanding battery life 3 4671 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4421 February 13, 2011
by sask55
Using Devices With Different Voltages 11 4019 February 05, 2011
by BobaMosfet
High voltage lines 26 5944 February 02, 2011
by mongo
USB 3 3176 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 4050 February 02, 2011
by Jalex
Alternating LED circuit 4 3951 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 5158 January 31, 2011
by il1019
Affordable oscilloscopes 43 12893 January 27, 2011
by BStory
"And"gate unfinished thought 2 3063 January 27, 2011
by Hexorg
replace MCU? 30 7969 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3787 January 25, 2011
by Ralphxyz
Multimeter! 12 5785 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4607 January 25, 2011
by Jalex
My LED Cube so far 25 9264 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4490 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3822 January 18, 2011
by dgikuljot
Counting 5 3018 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7563 January 17, 2011
by bretm
Programming 5 3856 January 14, 2011
by Ralphxyz
Induction loop actuator 7 4157 January 11, 2011
by Yourself
Begining 7 3972 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4657 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 4005 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 3279 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3692 January 06, 2011
by Mujda
Data input voltage 6 3915 January 03, 2011
by Rick_S
MOSFET Question 7 3917 December 31, 2010
by Keyster
Transistor as a switch 5 3834 December 29, 2010
by Hexorg
Resistors 5 4169 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8938 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 4131 December 28, 2010
by BobaMosfet
Relay ratings 2 3602 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 18359 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3327 December 17, 2010
by mongo
Power Rectifier 7 3830 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5774 December 14, 2010
by danuke
This a decent oscilloscope? 8 3856 December 14, 2010
by danuke
Do resistors in series really add up? 8 5014 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4560 December 09, 2010
by bretm
L293 H-Bridge 15 5090 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4992 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 5289 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4439 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 5033 November 24, 2010
by BobaMosfet
Op-amp not working 6 5271 November 24, 2010
by BobaMosfet
Python questions 4 4396 November 21, 2010
by tkopriva
CE Amp design 5 3624 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3777 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3616 November 05, 2010
by Mujda
PC4 not working?! 8 3305 November 04, 2010
by hapshetsut
Amplifiers 4 3531 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4359 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4387 October 04, 2010
by Scythium
radio interference from NerdKit 11 3419 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7968 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3967 September 11, 2010
by akajester
QFP and dreadboard 2 3823 September 02, 2010
by bretm
Getting power to the spinning part... 5 3897 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 10792 August 30, 2010
by Ralphxyz
morse code decoder 2 4049 August 26, 2010
by jonathan_m
Connecting to Computer 3 3902 August 25, 2010
by awesome
555 astable on breadboard 12 5443 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3538 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3992 August 19, 2010
by hevans
mosfet 3 3383 August 13, 2010
by hevans
Good material on learning electronics. 8 4295 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 3234 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 5138 August 02, 2010
by mrobbins
More batteries = more voltage? 3 5001 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 8111 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5357 July 02, 2010
by mongo
Electro Cardio Gram 4 4275 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3324 June 12, 2010
by Wobbler
Voltage Regulator 20 4802 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4539 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 5100 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4830 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3960 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3284 June 06, 2010
by Kafke
TSSOP IC! 4 3828 June 03, 2010
by mrobbins
AVcc 2 4241 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3408 May 31, 2010
by hevans
Cable Driver 2 3199 May 31, 2010
by mongo
Best 9V adapter to use 2 3540 May 28, 2010
by mongo
Unidirectional microphones 5 3862 May 27, 2010
by mongo
Servo question 3 3391 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3932 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3886 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 5341 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 9119 May 21, 2010
by hevans
Chinese Solenoid 15 3774 May 10, 2010
by treymd
avrisp mkii circuit 4 5057 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3420 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 8266 May 07, 2010
by rajabalu21
Simple Power Switch 6 3528 May 05, 2010
by avicell
I can haz speed! 3 3613 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 5223 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 4174 April 21, 2010
by bretm
Help with choosing the right resistor 10 5147 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 8467 April 15, 2010
by bretm
Resistor 4 3181 April 15, 2010
by mongo
MCU digital input pins 3 3173 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3595 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 9393 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5476 March 28, 2010
by carlhako
Laptop ground safety question 3 3726 March 27, 2010
by ese
LM34 R-C Damper 5 4853 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3786 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3315 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 5281 March 23, 2010
by ese
constant system reset 3 3193 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3822 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4537 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 4198 March 17, 2010
by Frozenlock
What is -VS? 6 6665 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 5174 March 04, 2010
by treymd
Using MCU to connect two wires 3 3796 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 8149 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3551 March 02, 2010
by Solorbob
Deciphering power resistors 11 3902 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3349 March 01, 2010
by nrotstan
Understanding LEDs 16 5711 March 01, 2010
by michaeldallas
What's the part I need? 5 3456 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 10271 February 23, 2010
by rajabalu21
Too much power? 14 4264 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4843 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4517 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 11632 February 18, 2010
by Rick_S
Serial port interface circuit 2 4366 February 17, 2010
by mongo
OBDII project 3 3497 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6699 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5937 February 13, 2010
by BobaMosfet
Digital pots 5 3775 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3879 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4859 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 5208 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 6201 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3954 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5855 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 9252 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4653 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3861 December 27, 2009
by jgauthier
Servo Signal Noise 2 3338 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 6215 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 10095 December 10, 2009
by georgio
Relays and transistors 12 8013 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 7460 December 09, 2009
by Rick_S
IR Detector 7 6941 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4427 November 19, 2009
by mikedoug
Debug with lcd 6 4424 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3973 November 15, 2009
by tech20
Understanding output pin characteristics 4 3724 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5555 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3976 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 45770 October 30, 2009
by BobaMosfet
DIY header unit 2 4284 October 10, 2009
by rusirius
Thermostat Logging 6 5644 October 09, 2009
by luke
Understanding transistors 6 5540 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 9259 October 07, 2009
by mikedoug
Currant booster 3 3368 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4467 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 11581 August 27, 2009
by hevans
Which LED? 14 4136 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 5019 August 07, 2009
by mongo
pull up, pull down resistors 7 16093 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 10016 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 6095 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5677 July 07, 2009
by sector0
Reset switch for circuit 3 4014 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 29992 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4752 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3978 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 4078 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4641 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3895 May 06, 2009
by paulip

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