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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 5054 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4092 April 12, 2016
by Ralphxyz
USBasp Help! 3 2720 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 4718 May 04, 2015
by mongo
Need to replace Wall Watt 16 2033 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2393 April 10, 2015
by Noter
My new 3D Printer 44 16525 April 07, 2015
by Rick_S
AtMega 644 2 2627 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1840 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2205 June 02, 2014
by JKITSON
Automated programming mode? 9 2559 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2183 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2094 January 28, 2014
by lailai
What kind of error is this? 4 2192 January 23, 2014
by Noter
How to double a DC voltage? 20 7358 January 12, 2014
by JKITSON
Is the code the driver? 2 1833 January 12, 2014
by Ralphxyz
Miniature headers 6 2285 January 01, 2014
by Ralphxyz
BLDC 8 2222 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2582 November 26, 2013
by Rick_S
GLCD SPI problems 14 5433 November 10, 2013
by andyi
Moving on... 7 2231 November 08, 2013
by Pr0ject
Power supply questions 4 2771 October 31, 2013
by sask55
OLED 4 1925 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 9353 September 22, 2013
by sask55
Opto Interrupter once again 14 5026 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2071 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8262 September 02, 2013
by Ralphxyz
USB cable specifications 7 2418 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2450 August 27, 2013
by Affarram
XMEGA Breakout 8 2633 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1941 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2458 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2477 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 7133 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 10141 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1930 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2358 April 08, 2013
by pcbolt
Using diode to drop voltage 12 48362 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1808 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2146 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 4051 March 14, 2013
by mongo
Current vs Voltage 8 2839 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2805 March 09, 2013
by lnino
Electric current 2 1782 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4583 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 5194 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 4001 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2541 February 24, 2013
by lnino
Relay Question 27 5371 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4661 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2902 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3093 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2562 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2386 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2805 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2358 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3083 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1942 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2010 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2189 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7237 November 18, 2012
by carlhako
SPI slave clock 6 2472 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2115 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 20504 October 23, 2012
by Noter
NPN circuit connection quandry 4 2636 September 24, 2012
by edb
Simple I/O circuit 4 2163 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2009 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1709 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3615 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2305 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4247 September 13, 2012
by dan_engbers
Electronics simulation 8 2855 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4355 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2211 August 20, 2012
by rblalock
louder sound 2 1995 August 18, 2012
by mongo
connector or cable for LCD display? 4 2135 August 13, 2012
by missle3944
Powering L.E.Ds 5 2277 August 09, 2012
by BobaMosfet
Wires in U.K 5 2373 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2500 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4411 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4869 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2706 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 18172 July 21, 2012
by lnino
um help 6 2050 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2600 July 18, 2012
by Ralphxyz
help me 11 2575 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2045 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3032 June 24, 2012
by Ralphxyz
HELP 3 1887 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 11617 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2023 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3180 June 17, 2012
by RogerFL
Programmable current source 6 3074 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3277 June 11, 2012
by mongo
HELP 6 2173 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2449 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 34751 May 24, 2012
by Ralphxyz
i need a code 8 2592 May 15, 2012
by pcbolt
Clock Accuracy 30 6143 May 14, 2012
by HexManiac
Relays and Controlling them 9 2464 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2797 May 09, 2012
by RogerFL
Powering your NerdKit 7 2427 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2283 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 4711 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2548 April 24, 2012
by pcbolt
Programs will not run 6 2247 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2727 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2475 April 09, 2012
by Ralphxyz
Path Lights controller 2 2150 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2319 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2737 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2507 April 01, 2012
by JamesFysh
Question on LCD screen 5 2298 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2356 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3588 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2963 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 5946 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2477 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2844 March 15, 2012
by mongo
Digital servo issues! 9 2688 March 15, 2012
by Rick_S
Brushless motor control 16 3062 March 12, 2012
by hevans
Windows not detecting device 3 2147 March 10, 2012
by hevans
Voltage throught MCU 5 2159 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 16380 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 8681 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 10992 March 01, 2012
by hevans
Up and running... 3 1941 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2410 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2768 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2173 February 24, 2012
by Rick_S
programming lcd trubs 7 2239 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2895 February 18, 2012
by Rick_S
Oscilloscope 15 3963 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7300 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3441 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2431 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 5741 February 09, 2012
by mongo
Data transmission 3 2726 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2794 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3921 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2259 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1949 January 31, 2012
by tchilzer2
H bridge questions 6 2586 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2480 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2698 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2938 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5399 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2669 January 15, 2012
by Rick_S
Source of power? 19 2630 January 13, 2012
by mongo
symbol defined please? 4 2575 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 13659 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2222 January 06, 2012
by boxvic
Basic LED circuit properties 8 2594 January 06, 2012
by boxvic
Getting Started 3 2281 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3173 January 02, 2012
by bodangly
SMD reflow 16 3326 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2405 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2975 December 23, 2011
by BobaMosfet
Potentiometer 8 3018 December 23, 2011
by huzbum
Fun with Op-Amps 3 3909 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2831 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2865 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2697 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2099 November 27, 2011
by sazD
Initial Load 2 2633 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2935 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3862 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2779 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6552 November 10, 2011
by jfbrink
Servo Squitter Project 13 2512 November 09, 2011
by Heed
how do i run a program 4 2102 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2247 November 07, 2011
by Heed
Motor control question 2 2147 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 5858 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2350 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2355 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 69468 October 24, 2011
by glendon
Measuring Capacitance 9 3654 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2534 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3611 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 14092 October 16, 2011
by sask55
RxD / TxD Questions 10 4689 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2569 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2392 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2146 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2279 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 8048 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3630 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20442 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 6978 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2144 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5348 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 8569 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6279 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2849 September 01, 2011
by BobaMosfet
Dim LED 3 2177 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2610 August 23, 2011
by Twarter369
Easy Transistor Question 4 2981 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4148 August 18, 2011
by Ralphxyz
Building a coil?? 12 4141 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2508 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2237 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1949 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2007 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 19549 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3127 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2313 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2395 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2408 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4231 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2150 July 17, 2011
by codenamejupiterx
avr macpack 3 2314 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2419 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2405 July 13, 2011
by BobaMosfet
Battery clip wires 3 2163 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2017 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2274 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2490 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2813 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 14667 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2471 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2324 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4201 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2700 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2672 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2561 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2634 June 06, 2011
by mja
A couple of questions 3 2270 June 06, 2011
by Ralphxyz
How much should I strip? 3 2057 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2724 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2350 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2606 May 29, 2011
by Rick_S
Digital Input Question 4 2442 May 28, 2011
by frankdwest
PCB arrived 20 2393 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2944 May 24, 2011
by gcharris
Calculating bypass capacitor 6 16603 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2976 May 09, 2011
by Noter
IR current 6 2683 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3404 May 04, 2011
by hariharan
Heat sensors 21 3601 May 04, 2011
by Hexorg
error 1 2 2260 May 02, 2011
by hevans
Transistor vs mosfet 13 9874 May 01, 2011
by Noter
PCB trace width calculator 3 3651 April 24, 2011
by esoderberg
OLED display 10 2950 April 23, 2011
by Rick_S
Power Supplies 17 3975 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2318 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2770 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2178 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2823 April 19, 2011
by mongo
Connecting to external control voltages 4 2468 April 19, 2011
by bretm
IR current question 7 2435 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3026 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2992 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2744 April 10, 2011
by uml_12
Basic projects 3 2406 April 09, 2011
by mongo
REFLOW oven 22 4940 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 9768 April 07, 2011
by bretm
unexpected MCU rebooting 82 6697 April 05, 2011
by sask55
REFLOW Soldering 3 3070 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2642 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4697 March 30, 2011
by bretm
Black Display on LCD 6 2696 March 28, 2011
by Druidman
32kHz clock 2 2388 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 7691 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 7037 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4170 March 16, 2011
by mongo
LCD problem 3 2656 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3262 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3401 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2433 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4546 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3252 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3326 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9196 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6073 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3787 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 6736 February 19, 2011
by Lusitania
My first Impression 6 2731 February 16, 2011
by devinsbusiness
Understanding battery life 3 3864 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3601 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3235 February 05, 2011
by BobaMosfet
High voltage lines 26 4523 February 02, 2011
by mongo
USB 3 2441 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3279 February 02, 2011
by Jalex
Alternating LED circuit 4 3142 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4141 January 31, 2011
by il1019
Affordable oscilloscopes 43 10831 January 27, 2011
by BStory
"And"gate unfinished thought 2 2341 January 27, 2011
by Hexorg
replace MCU? 30 6946 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3057 January 25, 2011
by Ralphxyz
Multimeter! 12 4866 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3814 January 25, 2011
by Jalex
My LED Cube so far 25 7963 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3700 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2977 January 18, 2011
by dgikuljot
Counting 5 2237 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6446 January 17, 2011
by bretm
Programming 5 3089 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3424 January 11, 2011
by Yourself
Begining 7 3077 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3805 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3279 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2535 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2908 January 06, 2011
by Mujda
Data input voltage 6 3190 January 03, 2011
by Rick_S
MOSFET Question 7 3157 December 31, 2010
by Keyster
Transistor as a switch 5 3032 December 29, 2010
by Hexorg
Resistors 5 3416 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7941 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3243 December 28, 2010
by BobaMosfet
Relay ratings 2 2841 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 16568 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2604 December 17, 2010
by mongo
Power Rectifier 7 2991 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4567 December 14, 2010
by danuke
This a decent oscilloscope? 8 3133 December 14, 2010
by danuke
Do resistors in series really add up? 8 4194 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3720 December 09, 2010
by bretm
L293 H-Bridge 15 4150 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3916 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4390 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3630 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4176 November 24, 2010
by BobaMosfet
Op-amp not working 6 4348 November 24, 2010
by BobaMosfet
Python questions 4 3639 November 21, 2010
by tkopriva
CE Amp design 5 2819 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3015 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2836 November 05, 2010
by Mujda
PC4 not working?! 8 2529 November 04, 2010
by hapshetsut
Amplifiers 4 2756 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3529 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3550 October 04, 2010
by Scythium
radio interference from NerdKit 11 2651 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 6966 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3197 September 11, 2010
by akajester
QFP and dreadboard 2 3060 September 02, 2010
by bretm
Getting power to the spinning part... 5 3156 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9399 August 30, 2010
by Ralphxyz
morse code decoder 2 3340 August 26, 2010
by jonathan_m
Connecting to Computer 3 3125 August 25, 2010
by awesome
555 astable on breadboard 12 4663 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2754 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3174 August 19, 2010
by hevans
mosfet 3 2646 August 13, 2010
by hevans
Good material on learning electronics. 8 2987 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2538 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3672 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4133 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6891 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4402 July 02, 2010
by mongo
Electro Cardio Gram 4 3467 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2551 June 12, 2010
by Wobbler
Voltage Regulator 20 4054 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3803 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4190 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3987 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3207 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2574 June 06, 2010
by Kafke
TSSOP IC! 4 3039 June 03, 2010
by mrobbins
AVcc 2 3492 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2681 May 31, 2010
by hevans
Cable Driver 2 2474 May 31, 2010
by mongo
Best 9V adapter to use 2 2803 May 28, 2010
by mongo
Unidirectional microphones 5 3113 May 27, 2010
by mongo
Servo question 3 2654 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3119 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3071 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4312 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7362 May 21, 2010
by hevans
Chinese Solenoid 15 2967 May 10, 2010
by treymd
avrisp mkii circuit 4 4269 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2715 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7207 May 07, 2010
by rajabalu21
Simple Power Switch 6 2697 May 05, 2010
by avicell
I can haz speed! 3 2880 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4287 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3448 April 21, 2010
by bretm
Help with choosing the right resistor 10 4323 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 6245 April 15, 2010
by bretm
Resistor 4 2443 April 15, 2010
by mongo
MCU digital input pins 3 2393 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2853 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8360 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4638 March 28, 2010
by carlhako
Laptop ground safety question 3 2934 March 27, 2010
by ese
LM34 R-C Damper 5 3493 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3005 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2557 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4458 March 23, 2010
by ese
constant system reset 3 2442 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2974 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3731 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3418 March 17, 2010
by Frozenlock
What is -VS? 6 4908 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4388 March 04, 2010
by treymd
Using MCU to connect two wires 3 3022 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6902 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2699 March 02, 2010
by Solorbob
Deciphering power resistors 11 3054 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2650 March 01, 2010
by nrotstan
Understanding LEDs 16 4579 March 01, 2010
by michaeldallas
What's the part I need? 5 2723 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9293 February 23, 2010
by rajabalu21
Too much power? 14 3502 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4025 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3445 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 9713 February 18, 2010
by Rick_S
Serial port interface circuit 2 3584 February 17, 2010
by mongo
OBDII project 3 2740 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 5090 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4968 February 13, 2010
by BobaMosfet
Digital pots 5 2965 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3092 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4075 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4215 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5181 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3093 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4908 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 7666 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3812 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3065 December 27, 2009
by jgauthier
Servo Signal Noise 2 2602 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5270 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9253 December 10, 2009
by georgio
Relays and transistors 12 7159 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6231 December 09, 2009
by Rick_S
IR Detector 7 5291 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3568 November 19, 2009
by mikedoug
Debug with lcd 6 3634 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3156 November 15, 2009
by tech20
Understanding output pin characteristics 4 2953 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4708 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3189 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 42954 October 30, 2009
by BobaMosfet
DIY header unit 2 3503 October 10, 2009
by rusirius
Thermostat Logging 6 4539 October 09, 2009
by luke
Understanding transistors 6 4642 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8119 October 07, 2009
by mikedoug
Currant booster 3 2574 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3638 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 9891 August 27, 2009
by hevans
Which LED? 14 3347 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4214 August 07, 2009
by mongo
pull up, pull down resistors 7 15073 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8462 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5160 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4711 July 07, 2009
by sector0
Reset switch for circuit 3 3204 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 27665 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3731 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3189 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3275 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3866 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3129 May 06, 2009
by paulip

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