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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 4022 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5818 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4642 April 12, 2016
by Ralphxyz
USBasp Help! 3 3413 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5285 May 04, 2015
by mongo
Need to replace Wall Watt 16 2542 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2877 April 10, 2015
by Noter
My new 3D Printer 44 17660 April 07, 2015
by Rick_S
AtMega 644 2 3083 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2270 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2709 June 02, 2014
by JKITSON
Automated programming mode? 9 3044 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2726 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2535 January 28, 2014
by lailai
What kind of error is this? 4 2656 January 23, 2014
by Noter
How to double a DC voltage? 20 8384 January 12, 2014
by JKITSON
Is the code the driver? 2 2295 January 12, 2014
by Ralphxyz
Miniature headers 6 2746 January 01, 2014
by Ralphxyz
BLDC 8 2663 December 23, 2013
by esoderberg
I need help finding a terminal. 17 3037 November 26, 2013
by Rick_S
GLCD SPI problems 14 6223 November 10, 2013
by andyi
Moving on... 7 2701 November 08, 2013
by Pr0ject
Power supply questions 4 3349 October 31, 2013
by sask55
OLED 4 2371 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 11563 September 22, 2013
by sask55
Opto Interrupter once again 14 5639 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2541 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 9024 September 02, 2013
by Ralphxyz
USB cable specifications 7 3056 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2887 August 27, 2013
by Affarram
XMEGA Breakout 8 3116 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2384 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2910 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2951 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8278 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 12075 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2342 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2815 April 08, 2013
by pcbolt
Using diode to drop voltage 12 56325 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2260 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2551 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 4834 March 14, 2013
by mongo
Current vs Voltage 8 3336 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3285 March 09, 2013
by lnino
Electric current 2 2211 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 5036 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 6297 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 5935 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2978 February 24, 2013
by lnino
Relay Question 27 6021 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5241 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3423 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3530 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3118 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2807 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3267 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2801 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3536 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2358 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2422 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2660 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7789 November 18, 2012
by carlhako
SPI slave clock 6 2948 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2537 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 22787 October 23, 2012
by Noter
NPN circuit connection quandry 4 3061 September 24, 2012
by edb
Simple I/O circuit 4 2570 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2509 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2148 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4118 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2729 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4807 September 13, 2012
by dan_engbers
Electronics simulation 8 3285 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5164 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2625 August 20, 2012
by rblalock
louder sound 2 2437 August 18, 2012
by mongo
connector or cable for LCD display? 4 2565 August 13, 2012
by missle3944
Powering L.E.Ds 5 2704 August 09, 2012
by BobaMosfet
Wires in U.K 5 2820 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2926 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4971 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5486 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3268 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19618 July 21, 2012
by lnino
um help 6 2481 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3211 July 18, 2012
by Ralphxyz
help me 11 2981 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2502 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3526 June 24, 2012
by Ralphxyz
HELP 3 2289 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12502 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2445 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3663 June 17, 2012
by RogerFL
Programmable current source 6 3708 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3814 June 11, 2012
by mongo
HELP 6 2621 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2860 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 42311 May 24, 2012
by Ralphxyz
i need a code 8 3023 May 15, 2012
by pcbolt
Clock Accuracy 30 6691 May 14, 2012
by HexManiac
Relays and Controlling them 9 2898 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3242 May 09, 2012
by RogerFL
Powering your NerdKit 7 2837 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2747 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5711 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 3006 April 24, 2012
by pcbolt
Programs will not run 6 2678 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3259 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2875 April 09, 2012
by Ralphxyz
Path Lights controller 2 2575 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2737 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3205 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2913 April 01, 2012
by JamesFysh
Question on LCD screen 5 2781 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2766 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3995 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3379 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6714 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2918 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3483 March 15, 2012
by mongo
Digital servo issues! 9 3166 March 15, 2012
by Rick_S
Brushless motor control 16 3524 March 12, 2012
by hevans
Windows not detecting device 3 2549 March 10, 2012
by hevans
Voltage throught MCU 5 2562 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17307 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9527 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 13977 March 01, 2012
by hevans
Up and running... 3 2344 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2860 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3192 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2586 February 24, 2012
by Rick_S
programming lcd trubs 7 2675 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3306 February 18, 2012
by Rick_S
Oscilloscope 15 4414 February 18, 2012
by Osarus
How far away can a LM34 be? 16 8067 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3849 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2825 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 7417 February 09, 2012
by mongo
Data transmission 3 3192 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3274 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4369 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2685 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2359 January 31, 2012
by tchilzer2
H bridge questions 6 3090 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2894 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3154 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3414 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6195 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3085 January 15, 2012
by Rick_S
Source of power? 19 3038 January 13, 2012
by mongo
symbol defined please? 4 2999 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 15078 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2647 January 06, 2012
by boxvic
Basic LED circuit properties 8 3054 January 06, 2012
by boxvic
Getting Started 3 2670 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3625 January 02, 2012
by bodangly
SMD reflow 16 3777 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2861 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3400 December 23, 2011
by BobaMosfet
Potentiometer 8 3516 December 23, 2011
by huzbum
Fun with Op-Amps 3 4459 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3330 December 19, 2011
by n1cl3
Odessy of the minds 5 3108 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2518 November 27, 2011
by sazD
Initial Load 2 3051 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3384 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4364 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3183 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 7446 November 10, 2011
by jfbrink
Servo Squitter Project 13 2900 November 09, 2011
by Heed
how do i run a program 4 2516 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2690 November 07, 2011
by Heed
Motor control question 2 2617 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 6843 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2780 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2772 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 78753 October 24, 2011
by glendon
Measuring Capacitance 9 4120 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2932 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4153 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 16302 October 16, 2011
by sask55
RxD / TxD Questions 10 5460 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2975 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2802 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2557 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2692 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 9634 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4192 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 21430 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 8841 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2547 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5909 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 10848 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6990 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3324 September 01, 2011
by BobaMosfet
Dim LED 3 2572 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 3055 August 23, 2011
by Twarter369
Easy Transistor Question 4 3498 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4677 August 18, 2011
by Ralphxyz
Building a coil?? 12 5145 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2980 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2631 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2402 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2408 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 20998 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3645 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2785 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2834 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2840 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 5032 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2562 July 17, 2011
by codenamejupiterx
avr macpack 3 2765 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2822 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2801 July 13, 2011
by BobaMosfet
Battery clip wires 3 2558 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2416 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2665 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2927 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3193 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 17730 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2866 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2735 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4801 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3103 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3173 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2948 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3237 June 06, 2011
by mja
A couple of questions 3 2671 June 06, 2011
by Ralphxyz
How much should I strip? 3 2476 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3137 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2756 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 3063 May 29, 2011
by Rick_S
Digital Input Question 4 2853 May 28, 2011
by frankdwest
PCB arrived 20 2776 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3377 May 24, 2011
by gcharris
Calculating bypass capacitor 6 18763 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3389 May 09, 2011
by Noter
IR current 6 3091 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3840 May 04, 2011
by hariharan
Heat sensors 21 4032 May 04, 2011
by Hexorg
error 1 2 2661 May 02, 2011
by hevans
Transistor vs mosfet 13 10498 May 01, 2011
by Noter
PCB trace width calculator 3 4103 April 24, 2011
by esoderberg
OLED display 10 3352 April 23, 2011
by Rick_S
Power Supplies 17 4423 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2721 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3180 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2601 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3241 April 19, 2011
by mongo
Connecting to external control voltages 4 2851 April 19, 2011
by bretm
IR current question 7 2840 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3462 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3700 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3144 April 10, 2011
by uml_12
Basic projects 3 2790 April 09, 2011
by mongo
REFLOW oven 22 5427 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 11020 April 07, 2011
by bretm
unexpected MCU rebooting 82 7294 April 05, 2011
by sask55
REFLOW Soldering 3 3486 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 3070 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5186 March 30, 2011
by bretm
Black Display on LCD 6 3093 March 28, 2011
by Druidman
32kHz clock 2 2776 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8498 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 8208 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4711 March 16, 2011
by mongo
LCD problem 3 3121 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3627 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3822 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2868 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 5418 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3738 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3733 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9886 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6827 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4193 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7545 February 19, 2011
by Lusitania
My first Impression 6 3088 February 16, 2011
by devinsbusiness
Understanding battery life 3 4299 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 4039 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3643 February 05, 2011
by BobaMosfet
High voltage lines 26 5467 February 02, 2011
by mongo
USB 3 2841 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3703 February 02, 2011
by Jalex
Alternating LED circuit 4 3522 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4571 January 31, 2011
by il1019
Affordable oscilloscopes 43 12195 January 27, 2011
by BStory
"And"gate unfinished thought 2 2715 January 27, 2011
by Hexorg
replace MCU? 30 7506 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3437 January 25, 2011
by Ralphxyz
Multimeter! 12 5308 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4256 January 25, 2011
by Jalex
My LED Cube so far 25 8705 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4119 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3438 January 18, 2011
by dgikuljot
Counting 5 2644 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 7019 January 17, 2011
by bretm
Programming 5 3493 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3829 January 11, 2011
by Yourself
Begining 7 3508 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4300 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3687 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2938 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3329 January 06, 2011
by Mujda
Data input voltage 6 3581 January 03, 2011
by Rick_S
MOSFET Question 7 3569 December 31, 2010
by Keyster
Transistor as a switch 5 3457 December 29, 2010
by Hexorg
Resistors 5 3788 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8514 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3702 December 28, 2010
by BobaMosfet
Relay ratings 2 3262 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17507 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2981 December 17, 2010
by mongo
Power Rectifier 7 3477 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5108 December 14, 2010
by danuke
This a decent oscilloscope? 8 3530 December 14, 2010
by danuke
Do resistors in series really add up? 8 4644 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4173 December 09, 2010
by bretm
L293 H-Bridge 15 4682 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4411 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4895 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4080 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4667 November 24, 2010
by BobaMosfet
Op-amp not working 6 4852 November 24, 2010
by BobaMosfet
Python questions 4 4049 November 21, 2010
by tkopriva
CE Amp design 5 3270 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3426 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3256 November 05, 2010
by Mujda
PC4 not working?! 8 2964 November 04, 2010
by hapshetsut
Amplifiers 4 3184 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3990 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 4002 October 04, 2010
by Scythium
radio interference from NerdKit 11 3069 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7554 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3605 September 11, 2010
by akajester
QFP and dreadboard 2 3470 September 02, 2010
by bretm
Getting power to the spinning part... 5 3569 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 10047 August 30, 2010
by Ralphxyz
morse code decoder 2 3714 August 26, 2010
by jonathan_m
Connecting to Computer 3 3537 August 25, 2010
by awesome
555 astable on breadboard 12 5092 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3147 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3651 August 19, 2010
by hevans
mosfet 3 3037 August 13, 2010
by hevans
Good material on learning electronics. 8 3511 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2922 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4562 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4625 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7575 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4949 July 02, 2010
by mongo
Electro Cardio Gram 4 3931 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2983 June 12, 2010
by Wobbler
Voltage Regulator 20 4451 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4186 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4692 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4471 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3643 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2956 June 06, 2010
by Kafke
TSSOP IC! 4 3448 June 03, 2010
by mrobbins
AVcc 2 3895 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3081 May 31, 2010
by hevans
Cable Driver 2 2878 May 31, 2010
by mongo
Best 9V adapter to use 2 3198 May 28, 2010
by mongo
Unidirectional microphones 5 3467 May 27, 2010
by mongo
Servo question 3 3045 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3520 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3498 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4858 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 8223 May 21, 2010
by hevans
Chinese Solenoid 15 3367 May 10, 2010
by treymd
avrisp mkii circuit 4 4673 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3087 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7822 May 07, 2010
by rajabalu21
Simple Power Switch 6 3102 May 05, 2010
by avicell
I can haz speed! 3 3288 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4835 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3843 April 21, 2010
by bretm
Help with choosing the right resistor 10 4762 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 7513 April 15, 2010
by bretm
Resistor 4 2834 April 15, 2010
by mongo
MCU digital input pins 3 2817 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3247 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8907 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5091 March 28, 2010
by carlhako
Laptop ground safety question 3 3335 March 27, 2010
by ese
LM34 R-C Damper 5 4144 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3425 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2963 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4902 March 23, 2010
by ese
constant system reset 3 2846 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3388 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4148 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3846 March 17, 2010
by Frozenlock
What is -VS? 6 5777 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4782 March 04, 2010
by treymd
Using MCU to connect two wires 3 3457 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7618 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3166 March 02, 2010
by Solorbob
Deciphering power resistors 11 3512 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2997 March 01, 2010
by nrotstan
Understanding LEDs 16 5141 March 01, 2010
by michaeldallas
What's the part I need? 5 3114 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9831 February 23, 2010
by rajabalu21
Too much power? 14 3893 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4469 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3948 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 10906 February 18, 2010
by Rick_S
Serial port interface circuit 2 4021 February 17, 2010
by mongo
OBDII project 3 3168 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 5972 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5518 February 13, 2010
by BobaMosfet
Digital pots 5 3396 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3496 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4472 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4747 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5672 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3507 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5386 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8602 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4250 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3476 December 27, 2009
by jgauthier
Servo Signal Noise 2 3000 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5787 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9714 December 10, 2009
by georgio
Relays and transistors 12 7601 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6780 December 09, 2009
by Rick_S
IR Detector 7 6143 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 4016 November 19, 2009
by mikedoug
Debug with lcd 6 4052 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3608 November 15, 2009
by tech20
Understanding output pin characteristics 4 3373 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5145 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3582 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 44694 October 30, 2009
by BobaMosfet
DIY header unit 2 3907 October 10, 2009
by rusirius
Thermostat Logging 6 5142 October 09, 2009
by luke
Understanding transistors 6 5088 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8643 October 07, 2009
by mikedoug
Currant booster 3 2962 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 4074 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 10809 August 27, 2009
by hevans
Which LED? 14 3748 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4647 August 07, 2009
by mongo
pull up, pull down resistors 7 15664 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 9247 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5666 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5267 July 07, 2009
by sector0
Reset switch for circuit 3 3620 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 28947 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4237 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3584 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3669 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4269 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3532 May 06, 2009
by paulip

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