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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3944 posts)
Thread Posts Views Last Post
mosfet control during start up 5 4051 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 3960 April 12, 2016
by Ralphxyz
USBasp Help! 3 2561 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 4508 May 04, 2015
by mongo
Need to replace Wall Watt 16 1892 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2267 April 10, 2015
by Noter
My new 3D Printer 44 16333 April 07, 2015
by Rick_S
AtMega 644 2 2516 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1726 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2038 June 02, 2014
by JKITSON
Automated programming mode? 9 2419 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2065 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1984 January 28, 2014
by lailai
What kind of error is this? 4 2057 January 23, 2014
by Noter
How to double a DC voltage? 20 7102 January 12, 2014
by JKITSON
Is the code the driver? 2 1711 January 12, 2014
by Ralphxyz
Miniature headers 6 2139 January 01, 2014
by Ralphxyz
BLDC 8 2087 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2474 November 26, 2013
by Rick_S
GLCD SPI problems 14 5201 November 10, 2013
by andyi
Moving on... 7 2107 November 08, 2013
by Pr0ject
Power supply questions 4 2616 October 31, 2013
by sask55
OLED 4 1826 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 8881 September 22, 2013
by sask55
Opto Interrupter once again 14 4864 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1949 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8071 September 02, 2013
by Ralphxyz
USB cable specifications 7 2282 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2313 August 27, 2013
by Affarram
XMEGA Breakout 8 2522 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1824 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2329 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2354 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 6840 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 9684 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1833 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2252 April 08, 2013
by pcbolt
Using diode to drop voltage 12 46348 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1681 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2031 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3850 March 14, 2013
by mongo
Current vs Voltage 8 2725 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2658 March 09, 2013
by lnino
Electric current 2 1682 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4438 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 4891 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3858 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2351 February 24, 2013
by lnino
Relay Question 27 5205 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4495 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2724 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2914 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2448 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2273 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2690 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2261 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2966 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1832 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1911 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2074 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7059 November 18, 2012
by carlhako
SPI slave clock 6 2357 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1997 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 19899 October 23, 2012
by Noter
NPN circuit connection quandry 4 2509 September 24, 2012
by edb
Simple I/O circuit 4 2049 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1856 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1591 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3471 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2191 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4112 September 13, 2012
by dan_engbers
Electronics simulation 8 2708 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4188 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2109 August 20, 2012
by rblalock
louder sound 2 1852 August 18, 2012
by mongo
connector or cable for LCD display? 4 2001 August 13, 2012
by missle3944
Powering L.E.Ds 5 2169 August 09, 2012
by BobaMosfet
Wires in U.K 5 2266 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2381 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4259 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4724 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2572 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 17912 July 21, 2012
by lnino
um help 6 1944 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2406 July 18, 2012
by Ralphxyz
help me 11 2459 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1935 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2903 June 24, 2012
by Ralphxyz
HELP 3 1772 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 11369 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1919 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3042 June 17, 2012
by RogerFL
Programmable current source 6 2926 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3123 June 11, 2012
by mongo
HELP 6 2038 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2330 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 32724 May 24, 2012
by Ralphxyz
i need a code 8 2459 May 15, 2012
by pcbolt
Clock Accuracy 30 5978 May 14, 2012
by HexManiac
Relays and Controlling them 9 2343 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2665 May 09, 2012
by RogerFL
Powering your NerdKit 7 2324 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2143 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 4323 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2421 April 24, 2012
by pcbolt
Programs will not run 6 2132 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2603 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2360 April 09, 2012
by Ralphxyz
Path Lights controller 2 2044 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2210 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2623 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2385 April 01, 2012
by JamesFysh
Question on LCD screen 5 2150 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2214 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3478 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2855 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 5607 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2357 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2673 March 15, 2012
by mongo
Digital servo issues! 9 2560 March 15, 2012
by Rick_S
Brushless motor control 16 2956 March 12, 2012
by hevans
Windows not detecting device 3 2055 March 10, 2012
by hevans
Voltage throught MCU 5 2066 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 16079 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 8254 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 10286 March 01, 2012
by hevans
Up and running... 3 1843 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2298 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2638 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2064 February 24, 2012
by Rick_S
programming lcd trubs 7 2131 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2754 February 18, 2012
by Rick_S
Oscilloscope 15 3835 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7055 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3335 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2336 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 5506 February 09, 2012
by mongo
Data transmission 3 2594 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2666 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3790 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2146 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1856 January 31, 2012
by tchilzer2
H bridge questions 6 2434 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2361 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2561 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2804 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5168 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2543 January 15, 2012
by Rick_S
Source of power? 19 2525 January 13, 2012
by mongo
symbol defined please? 4 2491 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 12757 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2105 January 06, 2012
by boxvic
Basic LED circuit properties 8 2458 January 06, 2012
by boxvic
Getting Started 3 2172 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3044 January 02, 2012
by bodangly
SMD reflow 16 3208 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2263 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2855 December 23, 2011
by BobaMosfet
Potentiometer 8 2884 December 23, 2011
by huzbum
Fun with Op-Amps 3 3760 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2720 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2712 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2567 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1992 November 27, 2011
by sazD
Initial Load 2 2526 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2804 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3745 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2656 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6372 November 10, 2011
by jfbrink
Servo Squitter Project 13 2422 November 09, 2011
by Heed
how do i run a program 4 2012 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2148 November 07, 2011
by Heed
Motor control question 2 2045 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 5548 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2238 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2230 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 67395 October 24, 2011
by glendon
Measuring Capacitance 9 3519 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2424 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3458 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 13603 October 16, 2011
by sask55
RxD / TxD Questions 10 4491 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2461 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2287 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2049 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2171 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 7765 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3476 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20250 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 6454 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2039 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5254 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 8293 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6122 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2657 September 01, 2011
by BobaMosfet
Dim LED 3 2089 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2498 August 23, 2011
by Twarter369
Easy Transistor Question 4 2851 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4009 August 18, 2011
by Ralphxyz
Building a coil?? 12 3916 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2403 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2145 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1817 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1900 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 18968 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3005 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2212 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2299 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2275 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4030 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2054 July 17, 2011
by codenamejupiterx
avr macpack 3 2220 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2301 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2303 July 13, 2011
by BobaMosfet
Battery clip wires 3 2066 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1926 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2189 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2368 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2703 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 13792 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2379 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2234 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4050 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2595 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2554 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2429 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2472 June 06, 2011
by mja
A couple of questions 3 2159 June 06, 2011
by Ralphxyz
How much should I strip? 3 1954 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2617 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2201 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2515 May 29, 2011
by Rick_S
Digital Input Question 4 2348 May 28, 2011
by frankdwest
PCB arrived 20 2301 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2846 May 24, 2011
by gcharris
Calculating bypass capacitor 6 16078 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2880 May 09, 2011
by Noter
IR current 6 2591 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3249 May 04, 2011
by hariharan
Heat sensors 21 3504 May 04, 2011
by Hexorg
error 1 2 2146 May 02, 2011
by hevans
Transistor vs mosfet 13 9676 May 01, 2011
by Noter
PCB trace width calculator 3 3521 April 24, 2011
by esoderberg
OLED display 10 2839 April 23, 2011
by Rick_S
Power Supplies 17 3833 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2220 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2639 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2086 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2734 April 19, 2011
by mongo
Connecting to external control voltages 4 2371 April 19, 2011
by bretm
IR current question 7 2348 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2898 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2842 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2635 April 10, 2011
by uml_12
Basic projects 3 2316 April 09, 2011
by mongo
REFLOW oven 22 4806 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 9439 April 07, 2011
by bretm
unexpected MCU rebooting 82 6552 April 05, 2011
by sask55
REFLOW Soldering 3 2941 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2507 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4582 March 30, 2011
by bretm
Black Display on LCD 6 2602 March 28, 2011
by Druidman
32kHz clock 2 2283 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 7405 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 6817 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4002 March 16, 2011
by mongo
LCD problem 3 2518 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3164 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3253 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2336 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4375 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3121 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3216 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8987 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5860 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3678 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 6482 February 19, 2011
by Lusitania
My first Impression 6 2629 February 16, 2011
by devinsbusiness
Understanding battery life 3 3733 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3500 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3109 February 05, 2011
by BobaMosfet
High voltage lines 26 4405 February 02, 2011
by mongo
USB 3 2339 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3172 February 02, 2011
by Jalex
Alternating LED circuit 4 2986 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4019 January 31, 2011
by il1019
Affordable oscilloscopes 43 10691 January 27, 2011
by BStory
"And"gate unfinished thought 2 2248 January 27, 2011
by Hexorg
replace MCU? 30 6827 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2945 January 25, 2011
by Ralphxyz
Multimeter! 12 4779 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3701 January 25, 2011
by Jalex
My LED Cube so far 25 7714 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3589 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2888 January 18, 2011
by dgikuljot
Counting 5 2108 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6276 January 17, 2011
by bretm
Programming 5 2991 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3322 January 11, 2011
by Yourself
Begining 7 2989 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3697 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3157 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2430 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2820 January 06, 2011
by Mujda
Data input voltage 6 3100 January 03, 2011
by Rick_S
MOSFET Question 7 3056 December 31, 2010
by Keyster
Transistor as a switch 5 2913 December 29, 2010
by Hexorg
Resistors 5 3304 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7730 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3093 December 28, 2010
by BobaMosfet
Relay ratings 2 2741 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 16343 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2508 December 17, 2010
by mongo
Power Rectifier 7 2875 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4436 December 14, 2010
by danuke
This a decent oscilloscope? 8 3031 December 14, 2010
by danuke
Do resistors in series really add up? 8 4058 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3556 December 09, 2010
by bretm
L293 H-Bridge 15 4043 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3789 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4248 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3518 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4034 November 24, 2010
by BobaMosfet
Op-amp not working 6 4203 November 24, 2010
by BobaMosfet
Python questions 4 3524 November 21, 2010
by tkopriva
CE Amp design 5 2693 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2904 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2728 November 05, 2010
by Mujda
PC4 not working?! 8 2417 November 04, 2010
by hapshetsut
Amplifiers 4 2657 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3421 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3416 October 04, 2010
by Scythium
radio interference from NerdKit 11 2550 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 6693 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3107 September 11, 2010
by akajester
QFP and dreadboard 2 2957 September 02, 2010
by bretm
Getting power to the spinning part... 5 3047 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9229 August 30, 2010
by Ralphxyz
morse code decoder 2 3222 August 26, 2010
by jonathan_m
Connecting to Computer 3 3023 August 25, 2010
by awesome
555 astable on breadboard 12 4529 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2659 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3043 August 19, 2010
by hevans
mosfet 3 2551 August 13, 2010
by hevans
Good material on learning electronics. 8 2863 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2438 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3512 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3995 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6716 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4246 July 02, 2010
by mongo
Electro Cardio Gram 4 3346 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2455 June 12, 2010
by Wobbler
Voltage Regulator 20 3940 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3714 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4067 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3852 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3106 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2478 June 06, 2010
by Kafke
TSSOP IC! 4 2948 June 03, 2010
by mrobbins
AVcc 2 3372 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2565 May 31, 2010
by hevans
Cable Driver 2 2360 May 31, 2010
by mongo
Best 9V adapter to use 2 2693 May 28, 2010
by mongo
Unidirectional microphones 5 2968 May 27, 2010
by mongo
Servo question 3 2554 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3017 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2956 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4146 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7203 May 21, 2010
by hevans
Chinese Solenoid 15 2863 May 10, 2010
by treymd
avrisp mkii circuit 4 4161 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2600 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 6978 May 07, 2010
by rajabalu21
Simple Power Switch 6 2597 May 05, 2010
by avicell
I can haz speed! 3 2780 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4180 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3352 April 21, 2010
by bretm
Help with choosing the right resistor 10 4211 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 6000 April 15, 2010
by bretm
Resistor 4 2345 April 15, 2010
by mongo
MCU digital input pins 3 2296 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2742 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8216 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4517 March 28, 2010
by carlhako
Laptop ground safety question 3 2843 March 27, 2010
by ese
LM34 R-C Damper 5 3339 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2880 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2447 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4362 March 23, 2010
by ese
constant system reset 3 2348 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2867 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3628 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3323 March 17, 2010
by Frozenlock
What is -VS? 6 4605 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4293 March 04, 2010
by treymd
Using MCU to connect two wires 3 2905 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6681 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2604 March 02, 2010
by Solorbob
Deciphering power resistors 11 2948 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2558 March 01, 2010
by nrotstan
Understanding LEDs 16 4442 March 01, 2010
by michaeldallas
What's the part I need? 5 2615 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9149 February 23, 2010
by rajabalu21
Too much power? 14 3402 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3911 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3329 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 9399 February 18, 2010
by Rick_S
Serial port interface circuit 2 3473 February 17, 2010
by mongo
OBDII project 3 2634 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4856 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4849 February 13, 2010
by BobaMosfet
Digital pots 5 2851 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2948 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3964 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4074 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5035 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2997 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4806 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 7415 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3669 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2959 December 27, 2009
by jgauthier
Servo Signal Noise 2 2449 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5096 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9131 December 10, 2009
by georgio
Relays and transistors 12 6991 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6103 December 09, 2009
by Rick_S
IR Detector 7 5063 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3449 November 19, 2009
by mikedoug
Debug with lcd 6 3455 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3039 November 15, 2009
by tech20
Understanding output pin characteristics 4 2844 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4608 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3081 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 42113 October 30, 2009
by BobaMosfet
DIY header unit 2 3398 October 10, 2009
by rusirius
Thermostat Logging 6 4357 October 09, 2009
by luke
Understanding transistors 6 4509 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7973 October 07, 2009
by mikedoug
Currant booster 3 2472 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3522 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 9676 August 27, 2009
by hevans
Which LED? 14 3220 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4107 August 07, 2009
by mongo
pull up, pull down resistors 7 14926 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8268 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4977 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4566 July 07, 2009
by sector0
Reset switch for circuit 3 3058 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 27427 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3566 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3098 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3167 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3770 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3034 May 06, 2009
by paulip

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