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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 3107 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5478 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4352 April 12, 2016
by Ralphxyz
USBasp Help! 3 3044 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 4949 May 04, 2015
by mongo
Need to replace Wall Watt 16 2245 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2598 April 10, 2015
by Noter
My new 3D Printer 44 16749 April 07, 2015
by Rick_S
AtMega 644 2 2819 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2021 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2445 June 02, 2014
by JKITSON
Automated programming mode? 9 2759 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2411 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2288 January 28, 2014
by lailai
What kind of error is this? 4 2377 January 23, 2014
by Noter
How to double a DC voltage? 20 7794 January 12, 2014
by JKITSON
Is the code the driver? 2 2008 January 12, 2014
by Ralphxyz
Miniature headers 6 2476 January 01, 2014
by Ralphxyz
BLDC 8 2395 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2779 November 26, 2013
by Rick_S
GLCD SPI problems 14 5798 November 10, 2013
by andyi
Moving on... 7 2432 November 08, 2013
by Pr0ject
Power supply questions 4 3023 October 31, 2013
by sask55
OLED 4 2108 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 10342 September 22, 2013
by sask55
Opto Interrupter once again 14 5329 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2257 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8573 September 02, 2013
by Ralphxyz
USB cable specifications 7 2671 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2635 August 27, 2013
by Affarram
XMEGA Breakout 8 2847 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2107 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2656 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2670 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 7544 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 10993 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2087 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2547 April 08, 2013
by pcbolt
Using diode to drop voltage 12 51683 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1985 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2324 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 4381 March 14, 2013
by mongo
Current vs Voltage 8 3019 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2986 March 09, 2013
by lnino
Electric current 2 1956 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4777 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 5662 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 4290 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2722 February 24, 2013
by lnino
Relay Question 27 5615 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4914 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3148 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3263 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2787 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2556 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2975 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2543 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3260 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2113 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2180 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2368 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7468 November 18, 2012
by carlhako
SPI slave clock 6 2696 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2286 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 21550 October 23, 2012
by Noter
NPN circuit connection quandry 4 2823 September 24, 2012
by edb
Simple I/O circuit 4 2335 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2245 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1894 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3839 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2476 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4505 September 13, 2012
by dan_engbers
Electronics simulation 8 3026 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4696 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2385 August 20, 2012
by rblalock
louder sound 2 2176 August 18, 2012
by mongo
connector or cable for LCD display? 4 2307 August 13, 2012
by missle3944
Powering L.E.Ds 5 2450 August 09, 2012
by BobaMosfet
Wires in U.K 5 2557 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2674 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4643 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5118 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2955 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 18859 July 21, 2012
by lnino
um help 6 2231 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2892 July 18, 2012
by Ralphxyz
help me 11 2745 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2242 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3237 June 24, 2012
by Ralphxyz
HELP 3 2046 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 11995 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2205 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3394 June 17, 2012
by RogerFL
Programmable current source 6 3348 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3527 June 11, 2012
by mongo
HELP 6 2375 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2625 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 38348 May 24, 2012
by Ralphxyz
i need a code 8 2769 May 15, 2012
by pcbolt
Clock Accuracy 30 6371 May 14, 2012
by HexManiac
Relays and Controlling them 9 2657 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2980 May 09, 2012
by RogerFL
Powering your NerdKit 7 2587 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2470 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5174 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2741 April 24, 2012
by pcbolt
Programs will not run 6 2420 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2948 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2645 April 09, 2012
by Ralphxyz
Path Lights controller 2 2346 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2495 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2927 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2672 April 01, 2012
by JamesFysh
Question on LCD screen 5 2534 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2531 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3761 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3136 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6314 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2672 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3103 March 15, 2012
by mongo
Digital servo issues! 9 2910 March 15, 2012
by Rick_S
Brushless motor control 16 3248 March 12, 2012
by hevans
Windows not detecting device 3 2309 March 10, 2012
by hevans
Voltage throught MCU 5 2330 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 16799 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9110 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 12274 March 01, 2012
by hevans
Up and running... 3 2106 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2577 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2949 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2344 February 24, 2012
by Rick_S
programming lcd trubs 7 2429 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3055 February 18, 2012
by Rick_S
Oscilloscope 15 4168 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7639 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3618 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2605 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 6102 February 09, 2012
by mongo
Data transmission 3 2943 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3017 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4114 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2446 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2118 January 31, 2012
by tchilzer2
H bridge questions 6 2833 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2661 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2902 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3133 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5768 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2848 January 15, 2012
by Rick_S
Source of power? 19 2807 January 13, 2012
by mongo
symbol defined please? 4 2749 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 14393 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2385 January 06, 2012
by boxvic
Basic LED circuit properties 8 2791 January 06, 2012
by boxvic
Getting Started 3 2452 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3362 January 02, 2012
by bodangly
SMD reflow 16 3513 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2578 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3137 December 23, 2011
by BobaMosfet
Potentiometer 8 3205 December 23, 2011
by huzbum
Fun with Op-Amps 3 4135 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3046 December 19, 2011
by n1cl3
Odessy of the minds 5 2869 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2262 November 27, 2011
by sazD
Initial Load 2 2816 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3134 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4066 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2949 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6873 November 10, 2011
by jfbrink
Servo Squitter Project 13 2670 November 09, 2011
by Heed
how do i run a program 4 2260 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2421 November 07, 2011
by Heed
Motor control question 2 2331 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 6258 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2509 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2522 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 73155 October 24, 2011
by glendon
Measuring Capacitance 9 3859 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2693 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3847 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 15042 October 16, 2011
by sask55
RxD / TxD Questions 10 5029 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2722 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2566 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2310 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2445 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 8613 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3914 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20846 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 7758 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2303 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5612 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 9582 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6627 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3088 September 01, 2011
by BobaMosfet
Dim LED 3 2338 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2812 August 23, 2011
by Twarter369
Easy Transistor Question 4 3222 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4392 August 18, 2011
by Ralphxyz
Building a coil?? 12 4600 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2726 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2382 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2166 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2169 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 20332 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3345 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2527 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2578 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2590 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4592 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2327 July 17, 2011
by codenamejupiterx
avr macpack 3 2498 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2583 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2565 July 13, 2011
by BobaMosfet
Battery clip wires 3 2330 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2183 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2442 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2676 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2975 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 15931 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2635 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2495 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4475 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2865 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2916 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2716 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2932 June 06, 2011
by mja
A couple of questions 3 2445 June 06, 2011
by Ralphxyz
How much should I strip? 3 2240 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2888 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2518 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2832 May 29, 2011
by Rick_S
Digital Input Question 4 2610 May 28, 2011
by frankdwest
PCB arrived 20 2546 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3117 May 24, 2011
by gcharris
Calculating bypass capacitor 6 17483 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3150 May 09, 2011
by Noter
IR current 6 2836 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3592 May 04, 2011
by hariharan
Heat sensors 21 3771 May 04, 2011
by Hexorg
error 1 2 2422 May 02, 2011
by hevans
Transistor vs mosfet 13 10149 May 01, 2011
by Noter
PCB trace width calculator 3 3853 April 24, 2011
by esoderberg
OLED display 10 3106 April 23, 2011
by Rick_S
Power Supplies 17 4165 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2492 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2949 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2333 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3003 April 19, 2011
by mongo
Connecting to external control voltages 4 2627 April 19, 2011
by bretm
IR current question 7 2601 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3222 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3278 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2912 April 10, 2011
by uml_12
Basic projects 3 2557 April 09, 2011
by mongo
REFLOW oven 22 5135 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 10335 April 07, 2011
by bretm
unexpected MCU rebooting 82 6984 April 05, 2011
by sask55
REFLOW Soldering 3 3241 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2813 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4907 March 30, 2011
by bretm
Black Display on LCD 6 2863 March 28, 2011
by Druidman
32kHz clock 2 2544 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8094 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 7462 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4397 March 16, 2011
by mongo
LCD problem 3 2873 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3406 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3574 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2621 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4883 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3463 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3486 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9542 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6441 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3950 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7162 February 19, 2011
by Lusitania
My first Impression 6 2876 February 16, 2011
by devinsbusiness
Understanding battery life 3 4045 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3786 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3413 February 05, 2011
by BobaMosfet
High voltage lines 26 4885 February 02, 2011
by mongo
USB 3 2607 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3432 February 02, 2011
by Jalex
Alternating LED circuit 4 3287 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4315 January 31, 2011
by il1019
Affordable oscilloscopes 43 11081 January 27, 2011
by BStory
"And"gate unfinished thought 2 2496 January 27, 2011
by Hexorg
replace MCU? 30 7194 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3220 January 25, 2011
by Ralphxyz
Multimeter! 12 5042 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3991 January 25, 2011
by Jalex
My LED Cube so far 25 8249 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3876 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3183 January 18, 2011
by dgikuljot
Counting 5 2405 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6731 January 17, 2011
by bretm
Programming 5 3251 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3589 January 11, 2011
by Yourself
Begining 7 3248 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4007 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3445 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2702 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3078 January 06, 2011
by Mujda
Data input voltage 6 3341 January 03, 2011
by Rick_S
MOSFET Question 7 3322 December 31, 2010
by Keyster
Transistor as a switch 5 3198 December 29, 2010
by Hexorg
Resistors 5 3570 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8199 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3443 December 28, 2010
by BobaMosfet
Relay ratings 2 3018 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 16982 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2751 December 17, 2010
by mongo
Power Rectifier 7 3222 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4771 December 14, 2010
by danuke
This a decent oscilloscope? 8 3296 December 14, 2010
by danuke
Do resistors in series really add up? 8 4378 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3909 December 09, 2010
by bretm
L293 H-Bridge 15 4375 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4117 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4595 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3819 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4397 November 24, 2010
by BobaMosfet
Op-amp not working 6 4561 November 24, 2010
by BobaMosfet
Python questions 4 3807 November 21, 2010
by tkopriva
CE Amp design 5 2991 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3173 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2994 November 05, 2010
by Mujda
PC4 not working?! 8 2724 November 04, 2010
by hapshetsut
Amplifiers 4 2918 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3710 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3720 October 04, 2010
by Scythium
radio interference from NerdKit 11 2842 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7257 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3360 September 11, 2010
by akajester
QFP and dreadboard 2 3241 September 02, 2010
by bretm
Getting power to the spinning part... 5 3338 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9653 August 30, 2010
by Ralphxyz
morse code decoder 2 3493 August 26, 2010
by jonathan_m
Connecting to Computer 3 3295 August 25, 2010
by awesome
555 astable on breadboard 12 4851 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2924 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3411 August 19, 2010
by hevans
mosfet 3 2812 August 13, 2010
by hevans
Good material on learning electronics. 8 3234 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2703 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4071 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4343 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7192 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4638 July 02, 2010
by mongo
Electro Cardio Gram 4 3675 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2735 June 12, 2010
by Wobbler
Voltage Regulator 20 4210 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3959 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4413 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4206 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3397 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2734 June 06, 2010
by Kafke
TSSOP IC! 4 3206 June 03, 2010
by mrobbins
AVcc 2 3663 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2846 May 31, 2010
by hevans
Cable Driver 2 2636 May 31, 2010
by mongo
Best 9V adapter to use 2 2959 May 28, 2010
by mongo
Unidirectional microphones 5 3261 May 27, 2010
by mongo
Servo question 3 2811 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3283 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3252 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4536 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7712 May 21, 2010
by hevans
Chinese Solenoid 15 3133 May 10, 2010
by treymd
avrisp mkii circuit 4 4427 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2865 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7489 May 07, 2010
by rajabalu21
Simple Power Switch 6 2864 May 05, 2010
by avicell
I can haz speed! 3 3045 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4536 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3604 April 21, 2010
by bretm
Help with choosing the right resistor 10 4499 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 6613 April 15, 2010
by bretm
Resistor 4 2595 April 15, 2010
by mongo
MCU digital input pins 3 2566 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3024 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8606 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4848 March 28, 2010
by carlhako
Laptop ground safety question 3 3089 March 27, 2010
by ese
LM34 R-C Damper 5 3753 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3184 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2716 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4640 March 23, 2010
by ese
constant system reset 3 2609 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3147 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3902 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3603 March 17, 2010
by Frozenlock
What is -VS? 6 5282 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4546 March 04, 2010
by treymd
Using MCU to connect two wires 3 3196 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7214 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2897 March 02, 2010
by Solorbob
Deciphering power resistors 11 3236 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2797 March 01, 2010
by nrotstan
Understanding LEDs 16 4828 March 01, 2010
by michaeldallas
What's the part I need? 5 2873 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9539 February 23, 2010
by rajabalu21
Too much power? 14 3658 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4206 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3623 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 10265 February 18, 2010
by Rick_S
Serial port interface circuit 2 3789 February 17, 2010
by mongo
OBDII project 3 2911 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 5433 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5173 February 13, 2010
by BobaMosfet
Digital pots 5 3140 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3257 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4246 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4434 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5377 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3268 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5119 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8050 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4015 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3224 December 27, 2009
by jgauthier
Servo Signal Noise 2 2769 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5517 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9445 December 10, 2009
by georgio
Relays and transistors 12 7335 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6435 December 09, 2009
by Rick_S
IR Detector 7 5665 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3765 November 19, 2009
by mikedoug
Debug with lcd 6 3806 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3362 November 15, 2009
by tech20
Understanding output pin characteristics 4 3128 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4906 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3356 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 43870 October 30, 2009
by BobaMosfet
DIY header unit 2 3670 October 10, 2009
by rusirius
Thermostat Logging 6 4790 October 09, 2009
by luke
Understanding transistors 6 4836 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8325 October 07, 2009
by mikedoug
Currant booster 3 2731 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3811 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 10307 August 27, 2009
by hevans
Which LED? 14 3518 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4405 August 07, 2009
by mongo
pull up, pull down resistors 7 15360 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8834 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5384 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4944 July 07, 2009
by sector0
Reset switch for circuit 3 3383 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 28241 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3961 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3359 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3424 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4025 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3287 May 06, 2009
by paulip

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