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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 4451 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4024 April 12, 2016
by Ralphxyz
USBasp Help! 3 2634 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 4639 May 04, 2015
by mongo
Need to replace Wall Watt 16 1955 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2329 April 10, 2015
by Noter
My new 3D Printer 44 16423 April 07, 2015
by Rick_S
AtMega 644 2 2567 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1777 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2120 June 02, 2014
by JKITSON
Automated programming mode? 9 2478 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2122 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2034 January 28, 2014
by lailai
What kind of error is this? 4 2120 January 23, 2014
by Noter
How to double a DC voltage? 20 7238 January 12, 2014
by JKITSON
Is the code the driver? 2 1763 January 12, 2014
by Ralphxyz
Miniature headers 6 2217 January 01, 2014
by Ralphxyz
BLDC 8 2168 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2527 November 26, 2013
by Rick_S
GLCD SPI problems 14 5310 November 10, 2013
by andyi
Moving on... 7 2165 November 08, 2013
by Pr0ject
Power supply questions 4 2684 October 31, 2013
by sask55
OLED 4 1879 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 9129 September 22, 2013
by sask55
Opto Interrupter once again 14 4942 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2012 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8169 September 02, 2013
by Ralphxyz
USB cable specifications 7 2357 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2368 August 27, 2013
by Affarram
XMEGA Breakout 8 2580 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1884 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2387 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2418 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 6962 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 9897 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1882 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2301 April 08, 2013
by pcbolt
Using diode to drop voltage 12 47404 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1741 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2091 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3952 March 14, 2013
by mongo
Current vs Voltage 8 2782 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2740 March 09, 2013
by lnino
Electric current 2 1728 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4512 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 5044 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3929 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2469 February 24, 2013
by lnino
Relay Question 27 5280 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4576 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2809 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3023 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2507 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2329 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2740 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2300 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3021 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1875 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1958 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2130 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7155 November 18, 2012
by carlhako
SPI slave clock 6 2415 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2054 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 20216 October 23, 2012
by Noter
NPN circuit connection quandry 4 2568 September 24, 2012
by edb
Simple I/O circuit 4 2107 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1931 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1646 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3537 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2246 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4161 September 13, 2012
by dan_engbers
Electronics simulation 8 2780 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4257 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2160 August 20, 2012
by rblalock
louder sound 2 1931 August 18, 2012
by mongo
connector or cable for LCD display? 4 2061 August 13, 2012
by missle3944
Powering L.E.Ds 5 2218 August 09, 2012
by BobaMosfet
Wires in U.K 5 2318 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2451 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4337 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4798 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2625 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 18011 July 21, 2012
by lnino
um help 6 1994 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2503 July 18, 2012
by Ralphxyz
help me 11 2510 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1991 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2975 June 24, 2012
by Ralphxyz
HELP 3 1830 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 11486 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1966 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3100 June 17, 2012
by RogerFL
Programmable current source 6 2988 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3200 June 11, 2012
by mongo
HELP 6 2105 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2373 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 33718 May 24, 2012
by Ralphxyz
i need a code 8 2528 May 15, 2012
by pcbolt
Clock Accuracy 30 6061 May 14, 2012
by HexManiac
Relays and Controlling them 9 2397 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2717 May 09, 2012
by RogerFL
Powering your NerdKit 7 2372 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2200 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 4577 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2490 April 24, 2012
by pcbolt
Programs will not run 6 2180 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2664 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2415 April 09, 2012
by Ralphxyz
Path Lights controller 2 2091 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2261 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2686 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2441 April 01, 2012
by JamesFysh
Question on LCD screen 5 2212 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2284 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3526 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2906 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 5772 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2414 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2753 March 15, 2012
by mongo
Digital servo issues! 9 2613 March 15, 2012
by Rick_S
Brushless motor control 16 3008 March 12, 2012
by hevans
Windows not detecting device 3 2104 March 10, 2012
by hevans
Voltage throught MCU 5 2112 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 16232 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 8533 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 10664 March 01, 2012
by hevans
Up and running... 3 1885 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2361 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2714 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2110 February 24, 2012
by Rick_S
programming lcd trubs 7 2183 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2820 February 18, 2012
by Rick_S
Oscilloscope 15 3902 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7187 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3388 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2384 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 5627 February 09, 2012
by mongo
Data transmission 3 2645 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2717 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3848 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2197 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1898 January 31, 2012
by tchilzer2
H bridge questions 6 2501 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2417 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2616 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2852 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5271 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2613 January 15, 2012
by Rick_S
Source of power? 19 2578 January 13, 2012
by mongo
symbol defined please? 4 2529 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 13438 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2169 January 06, 2012
by boxvic
Basic LED circuit properties 8 2523 January 06, 2012
by boxvic
Getting Started 3 2216 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3096 January 02, 2012
by bodangly
SMD reflow 16 3270 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2344 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2917 December 23, 2011
by BobaMosfet
Potentiometer 8 2945 December 23, 2011
by huzbum
Fun with Op-Amps 3 3830 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2777 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2801 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2622 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2042 November 27, 2011
by sazD
Initial Load 2 2577 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2870 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3800 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2716 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6458 November 10, 2011
by jfbrink
Servo Squitter Project 13 2461 November 09, 2011
by Heed
how do i run a program 4 2053 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2188 November 07, 2011
by Heed
Motor control question 2 2091 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 5711 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2306 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2276 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 68427 October 24, 2011
by glendon
Measuring Capacitance 9 3587 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2478 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3555 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 13880 October 16, 2011
by sask55
RxD / TxD Questions 10 4602 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2508 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2343 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2091 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2226 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 7900 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3547 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20345 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 6724 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2086 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5299 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 8442 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6219 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2769 September 01, 2011
by BobaMosfet
Dim LED 3 2132 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2556 August 23, 2011
by Twarter369
Easy Transistor Question 4 2910 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4098 August 18, 2011
by Ralphxyz
Building a coil?? 12 4019 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2455 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2189 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1879 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1955 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 19248 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3083 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2259 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2352 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2331 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4131 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2098 July 17, 2011
by codenamejupiterx
avr macpack 3 2270 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2365 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2356 July 13, 2011
by BobaMosfet
Battery clip wires 3 2107 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1975 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2225 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2437 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2760 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 14260 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2423 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2278 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4138 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2644 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2615 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2487 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2543 June 06, 2011
by mja
A couple of questions 3 2214 June 06, 2011
by Ralphxyz
How much should I strip? 3 1994 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2668 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2270 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2565 May 29, 2011
by Rick_S
Digital Input Question 4 2397 May 28, 2011
by frankdwest
PCB arrived 20 2348 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2894 May 24, 2011
by gcharris
Calculating bypass capacitor 6 16345 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2926 May 09, 2011
by Noter
IR current 6 2636 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3349 May 04, 2011
by hariharan
Heat sensors 21 3547 May 04, 2011
by Hexorg
error 1 2 2210 May 02, 2011
by hevans
Transistor vs mosfet 13 9792 May 01, 2011
by Noter
PCB trace width calculator 3 3582 April 24, 2011
by esoderberg
OLED display 10 2895 April 23, 2011
by Rick_S
Power Supplies 17 3899 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2265 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2699 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2132 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2780 April 19, 2011
by mongo
Connecting to external control voltages 4 2421 April 19, 2011
by bretm
IR current question 7 2390 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2956 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2901 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2697 April 10, 2011
by uml_12
Basic projects 3 2356 April 09, 2011
by mongo
REFLOW oven 22 4880 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 9612 April 07, 2011
by bretm
unexpected MCU rebooting 82 6628 April 05, 2011
by sask55
REFLOW Soldering 3 3005 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2582 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4637 March 30, 2011
by bretm
Black Display on LCD 6 2650 March 28, 2011
by Druidman
32kHz clock 2 2333 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 7537 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 6926 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4093 March 16, 2011
by mongo
LCD problem 3 2582 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3220 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3329 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2389 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4456 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3189 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3272 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9087 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5945 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3728 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 6593 February 19, 2011
by Lusitania
My first Impression 6 2688 February 16, 2011
by devinsbusiness
Understanding battery life 3 3795 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3556 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3171 February 05, 2011
by BobaMosfet
High voltage lines 26 4460 February 02, 2011
by mongo
USB 3 2387 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3221 February 02, 2011
by Jalex
Alternating LED circuit 4 3078 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4082 January 31, 2011
by il1019
Affordable oscilloscopes 43 10750 January 27, 2011
by BStory
"And"gate unfinished thought 2 2295 January 27, 2011
by Hexorg
replace MCU? 30 6892 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2989 January 25, 2011
by Ralphxyz
Multimeter! 12 4823 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3753 January 25, 2011
by Jalex
My LED Cube so far 25 7847 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3632 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2931 January 18, 2011
by dgikuljot
Counting 5 2174 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6368 January 17, 2011
by bretm
Programming 5 3040 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3375 January 11, 2011
by Yourself
Begining 7 3036 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3750 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3221 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2479 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2860 January 06, 2011
by Mujda
Data input voltage 6 3143 January 03, 2011
by Rick_S
MOSFET Question 7 3109 December 31, 2010
by Keyster
Transistor as a switch 5 2976 December 29, 2010
by Hexorg
Resistors 5 3362 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7836 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3160 December 28, 2010
by BobaMosfet
Relay ratings 2 2792 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 16456 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2564 December 17, 2010
by mongo
Power Rectifier 7 2935 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4498 December 14, 2010
by danuke
This a decent oscilloscope? 8 3086 December 14, 2010
by danuke
Do resistors in series really add up? 8 4122 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3657 December 09, 2010
by bretm
L293 H-Bridge 15 4093 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3851 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4315 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3569 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4109 November 24, 2010
by BobaMosfet
Op-amp not working 6 4268 November 24, 2010
by BobaMosfet
Python questions 4 3585 November 21, 2010
by tkopriva
CE Amp design 5 2746 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2960 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2775 November 05, 2010
by Mujda
PC4 not working?! 8 2466 November 04, 2010
by hapshetsut
Amplifiers 4 2704 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3473 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3497 October 04, 2010
by Scythium
radio interference from NerdKit 11 2595 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 6836 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3150 September 11, 2010
by akajester
QFP and dreadboard 2 3007 September 02, 2010
by bretm
Getting power to the spinning part... 5 3097 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9332 August 30, 2010
by Ralphxyz
morse code decoder 2 3285 August 26, 2010
by jonathan_m
Connecting to Computer 3 3067 August 25, 2010
by awesome
555 astable on breadboard 12 4582 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2708 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3093 August 19, 2010
by hevans
mosfet 3 2591 August 13, 2010
by hevans
Good material on learning electronics. 8 2917 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2484 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3599 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4065 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6807 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4322 July 02, 2010
by mongo
Electro Cardio Gram 4 3409 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2500 June 12, 2010
by Wobbler
Voltage Regulator 20 3993 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3754 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4134 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3910 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3154 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2521 June 06, 2010
by Kafke
TSSOP IC! 4 2993 June 03, 2010
by mrobbins
AVcc 2 3446 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2629 May 31, 2010
by hevans
Cable Driver 2 2424 May 31, 2010
by mongo
Best 9V adapter to use 2 2750 May 28, 2010
by mongo
Unidirectional microphones 5 3069 May 27, 2010
by mongo
Servo question 3 2602 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3071 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3017 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4227 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7282 May 21, 2010
by hevans
Chinese Solenoid 15 2912 May 10, 2010
by treymd
avrisp mkii circuit 4 4213 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2657 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7110 May 07, 2010
by rajabalu21
Simple Power Switch 6 2643 May 05, 2010
by avicell
I can haz speed! 3 2833 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4223 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3398 April 21, 2010
by bretm
Help with choosing the right resistor 10 4269 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 6121 April 15, 2010
by bretm
Resistor 4 2393 April 15, 2010
by mongo
MCU digital input pins 3 2344 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2793 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8292 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4580 March 28, 2010
by carlhako
Laptop ground safety question 3 2884 March 27, 2010
by ese
LM34 R-C Damper 5 3409 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2953 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2492 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4413 March 23, 2010
by ese
constant system reset 3 2393 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2913 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3669 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3366 March 17, 2010
by Frozenlock
What is -VS? 6 4738 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4347 March 04, 2010
by treymd
Using MCU to connect two wires 3 2975 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6797 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2644 March 02, 2010
by Solorbob
Deciphering power resistors 11 2995 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2604 March 01, 2010
by nrotstan
Understanding LEDs 16 4497 March 01, 2010
by michaeldallas
What's the part I need? 5 2663 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9219 February 23, 2010
by rajabalu21
Too much power? 14 3450 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3956 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3386 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 9562 February 18, 2010
by Rick_S
Serial port interface circuit 2 3527 February 17, 2010
by mongo
OBDII project 3 2682 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4962 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4912 February 13, 2010
by BobaMosfet
Digital pots 5 2909 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3032 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4019 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4135 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5107 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3040 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4851 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 7542 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3735 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3005 December 27, 2009
by jgauthier
Servo Signal Noise 2 2542 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5183 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9189 December 10, 2009
by georgio
Relays and transistors 12 7090 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6171 December 09, 2009
by Rick_S
IR Detector 7 5175 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3514 November 19, 2009
by mikedoug
Debug with lcd 6 3531 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3097 November 15, 2009
by tech20
Understanding output pin characteristics 4 2899 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4653 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3131 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 42572 October 30, 2009
by BobaMosfet
DIY header unit 2 3446 October 10, 2009
by rusirius
Thermostat Logging 6 4451 October 09, 2009
by luke
Understanding transistors 6 4563 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8043 October 07, 2009
by mikedoug
Currant booster 3 2528 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3571 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 9793 August 27, 2009
by hevans
Which LED? 14 3291 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4155 August 07, 2009
by mongo
pull up, pull down resistors 7 15003 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8359 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5043 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4637 July 07, 2009
by sector0
Reset switch for circuit 3 3143 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 27516 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3644 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3139 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3221 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3818 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3077 May 06, 2009
by paulip

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