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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 4226 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5910 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4722 April 12, 2016
by Ralphxyz
USBasp Help! 3 3496 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5356 May 04, 2015
by mongo
Need to replace Wall Watt 16 2618 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2953 April 10, 2015
by Noter
My new 3D Printer 44 17822 April 07, 2015
by Rick_S
AtMega 644 2 3152 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2336 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2779 June 02, 2014
by JKITSON
Automated programming mode? 9 3118 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2805 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2601 January 28, 2014
by lailai
What kind of error is this? 4 2726 January 23, 2014
by Noter
How to double a DC voltage? 20 8508 January 12, 2014
by JKITSON
Is the code the driver? 2 2364 January 12, 2014
by Ralphxyz
Miniature headers 6 2819 January 01, 2014
by Ralphxyz
BLDC 8 2736 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3109 November 26, 2013
by Rick_S
GLCD SPI problems 14 6321 November 10, 2013
by andyi
Moving on... 7 2768 November 08, 2013
by Pr0ject
Power supply questions 4 3420 October 31, 2013
by sask55
OLED 4 2442 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 11770 September 22, 2013
by sask55
Opto Interrupter once again 14 6093 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2603 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9123 September 02, 2013
by Ralphxyz
USB cable specifications 7 3155 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2956 August 27, 2013
by Affarram
XMEGA Breakout 8 3182 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2449 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2975 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 3018 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8365 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 12275 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2411 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2888 April 08, 2013
by pcbolt
Using diode to drop voltage 12 57324 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2325 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2614 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 5077 March 14, 2013
by mongo
Current vs Voltage 8 3413 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3352 March 09, 2013
by lnino
Electric current 2 2267 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5098 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 6432 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 6040 February 28, 2013
by BobaMosfet
Control electronic door opener 15 3043 February 24, 2013
by lnino
Relay Question 27 6125 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5323 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3500 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3595 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3193 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2866 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3336 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2869 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3599 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2423 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2488 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2719 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7881 November 18, 2012
by carlhako
SPI slave clock 6 3018 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2605 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 23062 October 23, 2012
by Noter
NPN circuit connection quandry 4 3126 September 24, 2012
by edb
Simple I/O circuit 4 2634 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2574 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2212 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4192 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2807 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4879 September 13, 2012
by dan_engbers
Electronics simulation 8 3354 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5245 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2689 August 20, 2012
by rblalock
louder sound 2 2512 August 18, 2012
by mongo
connector or cable for LCD display? 4 2629 August 13, 2012
by missle3944
Powering L.E.Ds 5 2775 August 09, 2012
by BobaMosfet
Wires in U.K 5 2887 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2987 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 5053 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5593 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3354 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19764 July 21, 2012
by lnino
um help 6 2546 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3281 July 18, 2012
by Ralphxyz
help me 11 3048 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2566 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3599 June 24, 2012
by Ralphxyz
HELP 3 2357 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12612 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2510 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3729 June 17, 2012
by RogerFL
Programmable current source 6 3780 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3892 June 11, 2012
by mongo
HELP 6 2692 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2929 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 42948 May 24, 2012
by Ralphxyz
i need a code 8 3085 May 15, 2012
by pcbolt
Clock Accuracy 30 6784 May 14, 2012
by HexManiac
Relays and Controlling them 9 2968 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3313 May 09, 2012
by RogerFL
Powering your NerdKit 7 2905 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2820 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5818 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3075 April 24, 2012
by pcbolt
Programs will not run 6 2751 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3330 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2942 April 09, 2012
by Ralphxyz
Path Lights controller 2 2638 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2799 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3271 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2979 April 01, 2012
by JamesFysh
Question on LCD screen 5 2845 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2835 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 4059 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3447 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6806 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2991 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3568 March 15, 2012
by mongo
Digital servo issues! 9 3228 March 15, 2012
by Rick_S
Brushless motor control 16 3589 March 12, 2012
by hevans
Windows not detecting device 3 2615 March 10, 2012
by hevans
Voltage throught MCU 5 2624 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17417 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9621 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 14389 March 01, 2012
by hevans
Up and running... 3 2407 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2924 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3255 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2655 February 24, 2012
by Rick_S
programming lcd trubs 7 2735 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3371 February 18, 2012
by Rick_S
Oscilloscope 15 4479 February 18, 2012
by Osarus
How far away can a LM34 be? 16 8163 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3912 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2896 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 7555 February 09, 2012
by mongo
Data transmission 3 3260 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3346 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4448 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2761 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2438 January 31, 2012
by tchilzer2
H bridge questions 6 3167 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2967 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3227 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3485 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6277 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3147 January 15, 2012
by Rick_S
Source of power? 19 3110 January 13, 2012
by mongo
symbol defined please? 4 3071 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 15236 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2722 January 06, 2012
by boxvic
Basic LED circuit properties 8 3126 January 06, 2012
by boxvic
Getting Started 3 2744 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3687 January 02, 2012
by bodangly
SMD reflow 16 3839 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2924 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3464 December 23, 2011
by BobaMosfet
Potentiometer 8 3592 December 23, 2011
by huzbum
Fun with Op-Amps 3 4529 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3411 December 19, 2011
by n1cl3
Odessy of the minds 5 3170 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2578 November 27, 2011
by sazD
Initial Load 2 3113 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3460 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4432 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3247 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 7579 November 10, 2011
by jfbrink
Servo Squitter Project 13 2958 November 09, 2011
by Heed
how do i run a program 4 2580 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2756 November 07, 2011
by Heed
Motor control question 2 2680 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 6959 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2845 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2837 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 80340 October 24, 2011
by glendon
Measuring Capacitance 9 4180 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2992 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4220 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 16653 October 16, 2011
by sask55
RxD / TxD Questions 10 5550 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 3037 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2862 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2633 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2751 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 9807 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4258 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 21576 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 9088 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2612 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5984 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 10989 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 7061 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3383 September 01, 2011
by BobaMosfet
Dim LED 3 2638 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3121 August 23, 2011
by Twarter369
Easy Transistor Question 4 3563 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4746 August 18, 2011
by Ralphxyz
Building a coil?? 12 5212 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 3037 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2689 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2465 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2477 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 21111 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3735 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2848 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2904 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2901 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5136 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2629 July 17, 2011
by codenamejupiterx
avr macpack 3 2832 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2873 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2865 July 13, 2011
by BobaMosfet
Battery clip wires 3 2624 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2486 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2729 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2992 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3248 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 18098 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2927 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2794 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4862 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3160 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3226 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 3004 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3305 June 06, 2011
by mja
A couple of questions 3 2718 June 06, 2011
by Ralphxyz
How much should I strip? 3 2531 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3189 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2807 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3116 May 29, 2011
by Rick_S
Digital Input Question 4 2905 May 28, 2011
by frankdwest
PCB arrived 20 2826 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3428 May 24, 2011
by gcharris
Calculating bypass capacitor 6 19034 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3443 May 09, 2011
by Noter
IR current 6 3136 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3889 May 04, 2011
by hariharan
Heat sensors 21 4089 May 04, 2011
by Hexorg
error 1 2 2712 May 02, 2011
by hevans
Transistor vs mosfet 13 10576 May 01, 2011
by Noter
PCB trace width calculator 3 4157 April 24, 2011
by esoderberg
OLED display 10 3401 April 23, 2011
by Rick_S
Power Supplies 17 4480 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2775 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3238 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2654 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3290 April 19, 2011
by mongo
Connecting to external control voltages 4 2902 April 19, 2011
by bretm
IR current question 7 2894 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3513 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3760 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3200 April 10, 2011
by uml_12
Basic projects 3 2841 April 09, 2011
by mongo
REFLOW oven 22 5500 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 11176 April 07, 2011
by bretm
unexpected MCU rebooting 82 7349 April 05, 2011
by sask55
REFLOW Soldering 3 3541 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3129 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5244 March 30, 2011
by bretm
Black Display on LCD 6 3145 March 28, 2011
by Druidman
32kHz clock 2 2830 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8583 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 8354 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4769 March 16, 2011
by mongo
LCD problem 3 3175 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3683 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3876 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2924 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 5559 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3792 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3786 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9959 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6899 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4258 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7607 February 19, 2011
by Lusitania
My first Impression 6 3142 February 16, 2011
by devinsbusiness
Understanding battery life 3 4361 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4113 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3701 February 05, 2011
by BobaMosfet
High voltage lines 26 5542 February 02, 2011
by mongo
USB 3 2897 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3757 February 02, 2011
by Jalex
Alternating LED circuit 4 3577 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4624 January 31, 2011
by il1019
Affordable oscilloscopes 43 12287 January 27, 2011
by BStory
"And"gate unfinished thought 2 2771 January 27, 2011
by Hexorg
replace MCU? 30 7594 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3492 January 25, 2011
by Ralphxyz
Multimeter! 12 5393 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4311 January 25, 2011
by Jalex
My LED Cube so far 25 8795 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4176 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3501 January 18, 2011
by dgikuljot
Counting 5 2699 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7078 January 17, 2011
by bretm
Programming 5 3553 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3880 January 11, 2011
by Yourself
Begining 7 3560 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4354 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3738 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2993 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3385 January 06, 2011
by Mujda
Data input voltage 6 3633 January 03, 2011
by Rick_S
MOSFET Question 7 3621 December 31, 2010
by Keyster
Transistor as a switch 5 3528 December 29, 2010
by Hexorg
Resistors 5 3866 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8573 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3756 December 28, 2010
by BobaMosfet
Relay ratings 2 3315 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17623 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 3037 December 17, 2010
by mongo
Power Rectifier 7 3533 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5202 December 14, 2010
by danuke
This a decent oscilloscope? 8 3584 December 14, 2010
by danuke
Do resistors in series really add up? 8 4703 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4235 December 09, 2010
by bretm
L293 H-Bridge 15 4744 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4467 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4948 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4129 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4722 November 24, 2010
by BobaMosfet
Op-amp not working 6 4909 November 24, 2010
by BobaMosfet
Python questions 4 4104 November 21, 2010
by tkopriva
CE Amp design 5 3324 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3489 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3321 November 05, 2010
by Mujda
PC4 not working?! 8 3018 November 04, 2010
by hapshetsut
Amplifiers 4 3242 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 4057 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4071 October 04, 2010
by Scythium
radio interference from NerdKit 11 3123 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7619 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3661 September 11, 2010
by akajester
QFP and dreadboard 2 3527 September 02, 2010
by bretm
Getting power to the spinning part... 5 3626 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 10156 August 30, 2010
by Ralphxyz
morse code decoder 2 3773 August 26, 2010
by jonathan_m
Connecting to Computer 3 3599 August 25, 2010
by awesome
555 astable on breadboard 12 5152 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3208 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3713 August 19, 2010
by hevans
mosfet 3 3096 August 13, 2010
by hevans
Good material on learning electronics. 8 3639 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2983 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4646 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4689 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7673 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 5014 July 02, 2010
by mongo
Electro Cardio Gram 4 3992 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 3042 June 12, 2010
by Wobbler
Voltage Regulator 20 4506 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4240 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4764 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4530 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3693 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 3014 June 06, 2010
by Kafke
TSSOP IC! 4 3517 June 03, 2010
by mrobbins
AVcc 2 3957 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3142 May 31, 2010
by hevans
Cable Driver 2 2938 May 31, 2010
by mongo
Best 9V adapter to use 2 3259 May 28, 2010
by mongo
Unidirectional microphones 5 3517 May 27, 2010
by mongo
Servo question 3 3108 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3583 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3560 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4919 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 8371 May 21, 2010
by hevans
Chinese Solenoid 15 3424 May 10, 2010
by treymd
avrisp mkii circuit 4 4733 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3147 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7889 May 07, 2010
by rajabalu21
Simple Power Switch 6 3179 May 05, 2010
by avicell
I can haz speed! 3 3348 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4895 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3901 April 21, 2010
by bretm
Help with choosing the right resistor 10 4830 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 7635 April 15, 2010
by bretm
Resistor 4 2900 April 15, 2010
by mongo
MCU digital input pins 3 2886 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3313 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8989 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5172 March 28, 2010
by carlhako
Laptop ground safety question 3 3406 March 27, 2010
by ese
LM34 R-C Damper 5 4307 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3494 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 3028 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4968 March 23, 2010
by ese
constant system reset 3 2907 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3458 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4210 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3910 March 17, 2010
by Frozenlock
What is -VS? 6 5911 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4843 March 04, 2010
by treymd
Using MCU to connect two wires 3 3518 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7718 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3237 March 02, 2010
by Solorbob
Deciphering power resistors 11 3583 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 3061 March 01, 2010
by nrotstan
Understanding LEDs 16 5232 March 01, 2010
by michaeldallas
What's the part I need? 5 3172 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9916 February 23, 2010
by rajabalu21
Too much power? 14 3970 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4536 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 4046 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 11033 February 18, 2010
by Rick_S
Serial port interface circuit 2 4084 February 17, 2010
by mongo
OBDII project 3 3231 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 6085 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5590 February 13, 2010
by BobaMosfet
Digital pots 5 3470 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3572 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4536 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4837 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5749 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3571 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5480 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8727 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4327 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3555 December 27, 2009
by jgauthier
Servo Signal Noise 2 3065 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5865 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9791 December 10, 2009
by georgio
Relays and transistors 12 7680 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6894 December 09, 2009
by Rick_S
IR Detector 7 6274 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4091 November 19, 2009
by mikedoug
Debug with lcd 6 4128 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3680 November 15, 2009
by tech20
Understanding output pin characteristics 4 3446 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5222 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3664 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 44846 October 30, 2009
by BobaMosfet
DIY header unit 2 3991 October 10, 2009
by rusirius
Thermostat Logging 6 5241 October 09, 2009
by luke
Understanding transistors 6 5170 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8742 October 07, 2009
by mikedoug
Currant booster 3 3036 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4152 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 10926 August 27, 2009
by hevans
Which LED? 14 3825 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4727 August 07, 2009
by mongo
pull up, pull down resistors 7 15755 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 9354 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5752 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5348 July 07, 2009
by sector0
Reset switch for circuit 3 3700 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 29085 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4327 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3664 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3753 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4351 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3611 May 06, 2009
by paulip

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