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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 3284 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5535 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4401 April 12, 2016
by Ralphxyz
USBasp Help! 3 3114 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5004 May 04, 2015
by mongo
Need to replace Wall Watt 16 2294 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2637 April 10, 2015
by Noter
My new 3D Printer 44 16800 April 07, 2015
by Rick_S
AtMega 644 2 2858 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2062 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2483 June 02, 2014
by JKITSON
Automated programming mode? 9 2799 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2468 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2324 January 28, 2014
by lailai
What kind of error is this? 4 2417 January 23, 2014
by Noter
How to double a DC voltage? 20 7904 January 12, 2014
by JKITSON
Is the code the driver? 2 2070 January 12, 2014
by Ralphxyz
Miniature headers 6 2511 January 01, 2014
by Ralphxyz
BLDC 8 2434 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2812 November 26, 2013
by Rick_S
GLCD SPI problems 14 5868 November 10, 2013
by andyi
Moving on... 7 2472 November 08, 2013
by Pr0ject
Power supply questions 4 3092 October 31, 2013
by sask55
OLED 4 2152 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 10589 September 22, 2013
by sask55
Opto Interrupter once again 14 5385 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2301 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8656 September 02, 2013
by Ralphxyz
USB cable specifications 7 2745 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2669 August 27, 2013
by Affarram
XMEGA Breakout 8 2887 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2145 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2693 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2710 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 7691 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 11203 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2124 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2583 April 08, 2013
by pcbolt
Using diode to drop voltage 12 52526 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2027 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2354 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 4450 March 14, 2013
by mongo
Current vs Voltage 8 3067 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3030 March 09, 2013
by lnino
Electric current 2 1996 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4820 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 5792 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 4365 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2763 February 24, 2013
by lnino
Relay Question 27 5679 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4968 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3196 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3311 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2833 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2593 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3019 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2574 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3293 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2149 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2214 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2406 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7523 November 18, 2012
by carlhako
SPI slave clock 6 2729 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2319 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 21787 October 23, 2012
by Noter
NPN circuit connection quandry 4 2857 September 24, 2012
by edb
Simple I/O circuit 4 2363 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2283 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1926 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3882 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2512 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4553 September 13, 2012
by dan_engbers
Electronics simulation 8 3060 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4817 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2416 August 20, 2012
by rblalock
louder sound 2 2220 August 18, 2012
by mongo
connector or cable for LCD display? 4 2338 August 13, 2012
by missle3944
Powering L.E.Ds 5 2484 August 09, 2012
by BobaMosfet
Wires in U.K 5 2591 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2706 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4703 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5163 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2993 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19022 July 21, 2012
by lnino
um help 6 2264 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2943 July 18, 2012
by Ralphxyz
help me 11 2780 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2283 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3288 June 24, 2012
by Ralphxyz
HELP 3 2080 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12081 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2239 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3434 June 17, 2012
by RogerFL
Programmable current source 6 3418 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3569 June 11, 2012
by mongo
HELP 6 2411 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2655 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 39256 May 24, 2012
by Ralphxyz
i need a code 8 2810 May 15, 2012
by pcbolt
Clock Accuracy 30 6427 May 14, 2012
by HexManiac
Relays and Controlling them 9 2689 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3023 May 09, 2012
by RogerFL
Powering your NerdKit 7 2619 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2510 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5276 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2781 April 24, 2012
by pcbolt
Programs will not run 6 2463 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2983 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2676 April 09, 2012
by Ralphxyz
Path Lights controller 2 2385 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2532 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2975 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2711 April 01, 2012
by JamesFysh
Question on LCD screen 5 2571 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2564 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3797 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3171 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6396 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2708 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3159 March 15, 2012
by mongo
Digital servo issues! 9 2954 March 15, 2012
by Rick_S
Brushless motor control 16 3297 March 12, 2012
by hevans
Windows not detecting device 3 2345 March 10, 2012
by hevans
Voltage throught MCU 5 2371 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 16904 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9192 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 12631 March 01, 2012
by hevans
Up and running... 3 2139 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2618 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2979 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2379 February 24, 2012
by Rick_S
programming lcd trubs 7 2461 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3094 February 18, 2012
by Rick_S
Oscilloscope 15 4198 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7714 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3653 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2636 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 6902 February 09, 2012
by mongo
Data transmission 3 2979 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3053 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4148 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2478 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2159 January 31, 2012
by tchilzer2
H bridge questions 6 2884 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2695 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2942 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3176 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5860 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2882 January 15, 2012
by Rick_S
Source of power? 19 2841 January 13, 2012
by mongo
symbol defined please? 4 2788 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 14576 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2422 January 06, 2012
by boxvic
Basic LED circuit properties 8 2839 January 06, 2012
by boxvic
Getting Started 3 2484 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3397 January 02, 2012
by bodangly
SMD reflow 16 3553 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2617 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3172 December 23, 2011
by BobaMosfet
Potentiometer 8 3250 December 23, 2011
by huzbum
Fun with Op-Amps 3 4185 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3084 December 19, 2011
by n1cl3
Odessy of the minds 5 2902 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2302 November 27, 2011
by sazD
Initial Load 2 2850 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3173 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4112 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2983 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6959 November 10, 2011
by jfbrink
Servo Squitter Project 13 2703 November 09, 2011
by Heed
how do i run a program 4 2298 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2460 November 07, 2011
by Heed
Motor control question 2 2372 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 6367 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2546 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2557 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 74120 October 24, 2011
by glendon
Measuring Capacitance 9 3894 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2727 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3903 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 15266 October 16, 2011
by sask55
RxD / TxD Questions 10 5107 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2757 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2599 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2342 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2482 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 8816 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3967 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20942 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 7996 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2337 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5661 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 9689 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6687 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3121 September 01, 2011
by BobaMosfet
Dim LED 3 2375 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2847 August 23, 2011
by Twarter369
Easy Transistor Question 4 3267 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4439 August 18, 2011
by Ralphxyz
Building a coil?? 12 4712 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2773 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2420 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2199 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2211 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 20466 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3389 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2566 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2610 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2630 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4666 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2365 July 17, 2011
by codenamejupiterx
avr macpack 3 2545 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2621 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2597 July 13, 2011
by BobaMosfet
Battery clip wires 3 2362 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2215 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2472 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2725 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3005 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 16266 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2668 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2540 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4535 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2902 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2967 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2755 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2984 June 06, 2011
by mja
A couple of questions 3 2480 June 06, 2011
by Ralphxyz
How much should I strip? 3 2283 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2935 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2553 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2870 May 29, 2011
by Rick_S
Digital Input Question 4 2648 May 28, 2011
by frankdwest
PCB arrived 20 2578 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3161 May 24, 2011
by gcharris
Calculating bypass capacitor 6 17726 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3191 May 09, 2011
by Noter
IR current 6 2875 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3630 May 04, 2011
by hariharan
Heat sensors 21 3819 May 04, 2011
by Hexorg
error 1 2 2456 May 02, 2011
by hevans
Transistor vs mosfet 13 10212 May 01, 2011
by Noter
PCB trace width calculator 3 3892 April 24, 2011
by esoderberg
OLED display 10 3150 April 23, 2011
by Rick_S
Power Supplies 17 4202 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2522 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2986 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2375 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3046 April 19, 2011
by mongo
Connecting to external control voltages 4 2661 April 19, 2011
by bretm
IR current question 7 2638 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3251 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3340 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2949 April 10, 2011
by uml_12
Basic projects 3 2592 April 09, 2011
by mongo
REFLOW oven 22 5174 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 10434 April 07, 2011
by bretm
unexpected MCU rebooting 82 7034 April 05, 2011
by sask55
REFLOW Soldering 3 3279 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2857 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4960 March 30, 2011
by bretm
Black Display on LCD 6 2900 March 28, 2011
by Druidman
32kHz clock 2 2577 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8164 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 7596 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4455 March 16, 2011
by mongo
LCD problem 3 2911 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3443 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3613 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2667 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4951 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3509 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3516 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9608 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6520 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3981 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7236 February 19, 2011
by Lusitania
My first Impression 6 2910 February 16, 2011
by devinsbusiness
Understanding battery life 3 4083 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3826 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3452 February 05, 2011
by BobaMosfet
High voltage lines 26 4936 February 02, 2011
by mongo
USB 3 2645 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3477 February 02, 2011
by Jalex
Alternating LED circuit 4 3324 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4361 January 31, 2011
by il1019
Affordable oscilloscopes 43 11833 January 27, 2011
by BStory
"And"gate unfinished thought 2 2528 January 27, 2011
by Hexorg
replace MCU? 30 7246 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3254 January 25, 2011
by Ralphxyz
Multimeter! 12 5077 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4038 January 25, 2011
by Jalex
My LED Cube so far 25 8309 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3911 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3228 January 18, 2011
by dgikuljot
Counting 5 2443 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6786 January 17, 2011
by bretm
Programming 5 3288 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3633 January 11, 2011
by Yourself
Begining 7 3287 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4054 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3480 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2735 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3123 January 06, 2011
by Mujda
Data input voltage 6 3380 January 03, 2011
by Rick_S
MOSFET Question 7 3361 December 31, 2010
by Keyster
Transistor as a switch 5 3236 December 29, 2010
by Hexorg
Resistors 5 3601 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8248 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3485 December 28, 2010
by BobaMosfet
Relay ratings 2 3058 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17088 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2788 December 17, 2010
by mongo
Power Rectifier 7 3264 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4831 December 14, 2010
by danuke
This a decent oscilloscope? 8 3329 December 14, 2010
by danuke
Do resistors in series really add up? 8 4427 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3958 December 09, 2010
by bretm
L293 H-Bridge 15 4424 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4163 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4654 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3861 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4437 November 24, 2010
by BobaMosfet
Op-amp not working 6 4609 November 24, 2010
by BobaMosfet
Python questions 4 3843 November 21, 2010
by tkopriva
CE Amp design 5 3032 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3216 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3035 November 05, 2010
by Mujda
PC4 not working?! 8 2767 November 04, 2010
by hapshetsut
Amplifiers 4 2954 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3755 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3762 October 04, 2010
by Scythium
radio interference from NerdKit 11 2872 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7305 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3398 September 11, 2010
by akajester
QFP and dreadboard 2 3277 September 02, 2010
by bretm
Getting power to the spinning part... 5 3371 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9734 August 30, 2010
by Ralphxyz
morse code decoder 2 3525 August 26, 2010
by jonathan_m
Connecting to Computer 3 3332 August 25, 2010
by awesome
555 astable on breadboard 12 4887 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2957 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3448 August 19, 2010
by hevans
mosfet 3 2850 August 13, 2010
by hevans
Good material on learning electronics. 8 3265 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2736 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4177 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4388 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7248 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4692 July 02, 2010
by mongo
Electro Cardio Gram 4 3715 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2775 June 12, 2010
by Wobbler
Voltage Regulator 20 4247 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3994 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4480 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4247 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3438 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2766 June 06, 2010
by Kafke
TSSOP IC! 4 3243 June 03, 2010
by mrobbins
AVcc 2 3701 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2880 May 31, 2010
by hevans
Cable Driver 2 2673 May 31, 2010
by mongo
Best 9V adapter to use 2 2996 May 28, 2010
by mongo
Unidirectional microphones 5 3288 May 27, 2010
by mongo
Servo question 3 2848 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3320 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3285 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4591 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7798 May 21, 2010
by hevans
Chinese Solenoid 15 3172 May 10, 2010
by treymd
avrisp mkii circuit 4 4466 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2901 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7536 May 07, 2010
by rajabalu21
Simple Power Switch 6 2900 May 05, 2010
by avicell
I can haz speed! 3 3081 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4586 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3640 April 21, 2010
by bretm
Help with choosing the right resistor 10 4538 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 6732 April 15, 2010
by bretm
Resistor 4 2629 April 15, 2010
by mongo
MCU digital input pins 3 2607 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3062 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8652 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4888 March 28, 2010
by carlhako
Laptop ground safety question 3 3128 March 27, 2010
by ese
LM34 R-C Damper 5 3814 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3219 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2750 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4680 March 23, 2010
by ese
constant system reset 3 2647 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3187 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3935 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3641 March 17, 2010
by Frozenlock
What is -VS? 6 5375 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4586 March 04, 2010
by treymd
Using MCU to connect two wires 3 3236 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7281 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2938 March 02, 2010
by Solorbob
Deciphering power resistors 11 3271 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2831 March 01, 2010
by nrotstan
Understanding LEDs 16 4875 March 01, 2010
by michaeldallas
What's the part I need? 5 2914 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9584 February 23, 2010
by rajabalu21
Too much power? 14 3694 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4256 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3673 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 10406 February 18, 2010
by Rick_S
Serial port interface circuit 2 3826 February 17, 2010
by mongo
OBDII project 3 2951 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 5535 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5221 February 13, 2010
by BobaMosfet
Digital pots 5 3182 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3292 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4283 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4483 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5418 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3306 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5155 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8137 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4048 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3266 December 27, 2009
by jgauthier
Servo Signal Noise 2 2807 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5559 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9483 December 10, 2009
by georgio
Relays and transistors 12 7377 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6487 December 09, 2009
by Rick_S
IR Detector 7 5745 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3808 November 19, 2009
by mikedoug
Debug with lcd 6 3842 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3410 November 15, 2009
by tech20
Understanding output pin characteristics 4 3164 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4942 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3388 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 44040 October 30, 2009
by BobaMosfet
DIY header unit 2 3710 October 10, 2009
by rusirius
Thermostat Logging 6 4848 October 09, 2009
by luke
Understanding transistors 6 4883 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8371 October 07, 2009
by mikedoug
Currant booster 3 2766 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3848 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 10394 August 27, 2009
by hevans
Which LED? 14 3551 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4450 August 07, 2009
by mongo
pull up, pull down resistors 7 15421 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8910 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5423 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5002 July 07, 2009
by sector0
Reset switch for circuit 3 3416 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 28362 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4007 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3399 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3465 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4063 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3322 May 06, 2009
by paulip

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