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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 3739 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5714 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4552 April 12, 2016
by Ralphxyz
USBasp Help! 3 3317 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5176 May 04, 2015
by mongo
Need to replace Wall Watt 16 2455 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2791 April 10, 2015
by Noter
My new 3D Printer 44 16970 April 07, 2015
by Rick_S
AtMega 644 2 3007 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2196 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2628 June 02, 2014
by JKITSON
Automated programming mode? 9 2952 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2648 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2453 January 28, 2014
by lailai
What kind of error is this? 4 2571 January 23, 2014
by Noter
How to double a DC voltage? 20 8217 January 12, 2014
by JKITSON
Is the code the driver? 2 2217 January 12, 2014
by Ralphxyz
Miniature headers 6 2652 January 01, 2014
by Ralphxyz
BLDC 8 2587 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2956 November 26, 2013
by Rick_S
GLCD SPI problems 14 6099 November 10, 2013
by andyi
Moving on... 7 2607 November 08, 2013
by Pr0ject
Power supply questions 4 3251 October 31, 2013
by sask55
OLED 4 2288 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 11286 September 22, 2013
by sask55
Opto Interrupter once again 14 5550 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2449 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8883 September 02, 2013
by Ralphxyz
USB cable specifications 7 2950 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2806 August 27, 2013
by Affarram
XMEGA Breakout 8 3033 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2281 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2832 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2864 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 8169 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 11743 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2257 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2733 April 08, 2013
by pcbolt
Using diode to drop voltage 12 54816 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2160 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2477 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 4659 March 14, 2013
by mongo
Current vs Voltage 8 3207 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3194 March 09, 2013
by lnino
Electric current 2 2133 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4955 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 6126 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 5777 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2896 February 24, 2013
by lnino
Relay Question 27 5903 February 19, 2013
by Noter
Rotary Encoder how to?? 21 5151 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3336 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3452 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 3028 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2735 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3176 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2720 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3428 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2277 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2346 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2555 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7701 November 18, 2012
by carlhako
SPI slave clock 6 2861 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2463 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 22390 October 23, 2012
by Noter
NPN circuit connection quandry 4 2982 September 24, 2012
by edb
Simple I/O circuit 4 2497 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2433 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 2068 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 4034 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2649 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4715 September 13, 2012
by dan_engbers
Electronics simulation 8 3198 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 5055 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2548 August 20, 2012
by rblalock
louder sound 2 2356 August 18, 2012
by mongo
connector or cable for LCD display? 4 2486 August 13, 2012
by missle3944
Powering L.E.Ds 5 2624 August 09, 2012
by BobaMosfet
Wires in U.K 5 2733 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2857 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4870 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5350 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3167 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19427 July 21, 2012
by lnino
um help 6 2400 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 3121 July 18, 2012
by Ralphxyz
help me 11 2907 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2418 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3444 June 24, 2012
by Ralphxyz
HELP 3 2207 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12328 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2371 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3580 June 17, 2012
by RogerFL
Programmable current source 6 3612 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3722 June 11, 2012
by mongo
HELP 6 2541 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2782 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 41389 May 24, 2012
by Ralphxyz
i need a code 8 2947 May 15, 2012
by pcbolt
Clock Accuracy 30 6603 May 14, 2012
by HexManiac
Relays and Controlling them 9 2823 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3163 May 09, 2012
by RogerFL
Powering your NerdKit 7 2753 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2661 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5557 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2926 April 24, 2012
by pcbolt
Programs will not run 6 2595 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 3158 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2797 April 09, 2012
by Ralphxyz
Path Lights controller 2 2499 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2657 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 3110 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2839 April 01, 2012
by JamesFysh
Question on LCD screen 5 2703 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2689 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3916 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3299 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6611 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2845 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3372 March 15, 2012
by mongo
Digital servo issues! 9 3089 March 15, 2012
by Rick_S
Brushless motor control 16 3448 March 12, 2012
by hevans
Windows not detecting device 3 2465 March 10, 2012
by hevans
Voltage throught MCU 5 2489 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 17181 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9428 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 13456 March 01, 2012
by hevans
Up and running... 3 2264 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2768 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 3114 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2511 February 24, 2012
by Rick_S
programming lcd trubs 7 2597 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3227 February 18, 2012
by Rick_S
Oscilloscope 15 4337 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7940 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3777 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2756 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 7181 February 09, 2012
by mongo
Data transmission 3 3121 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3180 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4292 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2611 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2282 January 31, 2012
by tchilzer2
H bridge questions 6 3011 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2819 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 3082 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3315 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 6072 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 3010 January 15, 2012
by Rick_S
Source of power? 19 2964 January 13, 2012
by mongo
symbol defined please? 4 2918 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 14920 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2552 January 06, 2012
by boxvic
Basic LED circuit properties 8 2968 January 06, 2012
by boxvic
Getting Started 3 2598 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3538 January 02, 2012
by bodangly
SMD reflow 16 3689 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2756 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3317 December 23, 2011
by BobaMosfet
Potentiometer 8 3421 December 23, 2011
by huzbum
Fun with Op-Amps 3 4363 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3234 December 19, 2011
by n1cl3
Odessy of the minds 5 3032 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2437 November 27, 2011
by sazD
Initial Load 2 2972 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3300 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4274 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 3109 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 7247 November 10, 2011
by jfbrink
Servo Squitter Project 13 2826 November 09, 2011
by Heed
how do i run a program 4 2431 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2602 November 07, 2011
by Heed
Motor control question 2 2520 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 6660 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2677 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2685 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 76892 October 24, 2011
by glendon
Measuring Capacitance 9 4037 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2850 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 4065 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 15867 October 16, 2011
by sask55
RxD / TxD Questions 10 5325 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2894 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2725 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2473 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2615 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 9322 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 4104 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 21241 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 8526 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2474 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5819 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 10674 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6892 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3254 September 01, 2011
by BobaMosfet
Dim LED 3 2503 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2980 August 23, 2011
by Twarter369
Easy Transistor Question 4 3418 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4598 August 18, 2011
by Ralphxyz
Building a coil?? 12 5025 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2915 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2556 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2336 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2334 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 20822 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3544 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2710 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2754 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2767 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4942 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2487 July 17, 2011
by codenamejupiterx
avr macpack 3 2699 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2752 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2733 July 13, 2011
by BobaMosfet
Battery clip wires 3 2489 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2346 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2600 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2855 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3123 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 17185 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2802 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2667 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4713 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 3035 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 3102 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2880 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3148 June 06, 2011
by mja
A couple of questions 3 2605 June 06, 2011
by Ralphxyz
How much should I strip? 3 2406 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 3076 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2687 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2996 May 29, 2011
by Rick_S
Digital Input Question 4 2781 May 28, 2011
by frankdwest
PCB arrived 20 2703 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3305 May 24, 2011
by gcharris
Calculating bypass capacitor 6 18388 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3325 May 09, 2011
by Noter
IR current 6 3018 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3773 May 04, 2011
by hariharan
Heat sensors 21 3968 May 04, 2011
by Hexorg
error 1 2 2592 May 02, 2011
by hevans
Transistor vs mosfet 13 10391 May 01, 2011
by Noter
PCB trace width calculator 3 4024 April 24, 2011
by esoderberg
OLED display 10 3286 April 23, 2011
by Rick_S
Power Supplies 17 4345 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2645 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3110 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2512 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3173 April 19, 2011
by mongo
Connecting to external control voltages 4 2787 April 19, 2011
by bretm
IR current question 7 2771 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3399 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3539 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 3075 April 10, 2011
by uml_12
Basic projects 3 2719 April 09, 2011
by mongo
REFLOW oven 22 5334 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 10820 April 07, 2011
by bretm
unexpected MCU rebooting 82 7206 April 05, 2011
by sask55
REFLOW Soldering 3 3417 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2997 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 5100 March 30, 2011
by bretm
Black Display on LCD 6 3028 March 28, 2011
by Druidman
32kHz clock 2 2709 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8371 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 8036 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4628 March 16, 2011
by mongo
LCD problem 3 3056 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3562 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3749 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2800 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 5205 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3668 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3659 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9778 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6733 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 4110 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7442 February 19, 2011
by Lusitania
My first Impression 6 3027 February 16, 2011
by devinsbusiness
Understanding battery life 3 4216 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3966 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3582 February 05, 2011
by BobaMosfet
High voltage lines 26 5390 February 02, 2011
by mongo
USB 3 2776 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3623 February 02, 2011
by Jalex
Alternating LED circuit 4 3456 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4495 January 31, 2011
by il1019
Affordable oscilloscopes 43 12046 January 27, 2011
by BStory
"And"gate unfinished thought 2 2648 January 27, 2011
by Hexorg
replace MCU? 30 7416 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3374 January 25, 2011
by Ralphxyz
Multimeter! 12 5223 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4184 January 25, 2011
by Jalex
My LED Cube so far 25 8583 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 4046 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3363 January 18, 2011
by dgikuljot
Counting 5 2584 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6942 January 17, 2011
by bretm
Programming 5 3423 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3762 January 11, 2011
by Yourself
Begining 7 3431 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4223 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3612 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2870 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3255 January 06, 2011
by Mujda
Data input voltage 6 3516 January 03, 2011
by Rick_S
MOSFET Question 7 3501 December 31, 2010
by Keyster
Transistor as a switch 5 3379 December 29, 2010
by Hexorg
Resistors 5 3716 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8422 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3630 December 28, 2010
by BobaMosfet
Relay ratings 2 3189 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17369 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2916 December 17, 2010
by mongo
Power Rectifier 7 3414 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 5027 December 14, 2010
by danuke
This a decent oscilloscope? 8 3466 December 14, 2010
by danuke
Do resistors in series really add up? 8 4573 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 4090 December 09, 2010
by bretm
L293 H-Bridge 15 4603 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4325 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4810 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 4010 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4594 November 24, 2010
by BobaMosfet
Op-amp not working 6 4768 November 24, 2010
by BobaMosfet
Python questions 4 3974 November 21, 2010
by tkopriva
CE Amp design 5 3195 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3353 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3188 November 05, 2010
by Mujda
PC4 not working?! 8 2902 November 04, 2010
by hapshetsut
Amplifiers 4 3107 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3907 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3919 October 04, 2010
by Scythium
radio interference from NerdKit 11 3004 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7464 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3528 September 11, 2010
by akajester
QFP and dreadboard 2 3405 September 02, 2010
by bretm
Getting power to the spinning part... 5 3492 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9933 August 30, 2010
by Ralphxyz
morse code decoder 2 3646 August 26, 2010
by jonathan_m
Connecting to Computer 3 3466 August 25, 2010
by awesome
555 astable on breadboard 12 5024 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 3083 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3581 August 19, 2010
by hevans
mosfet 3 2978 August 13, 2010
by hevans
Good material on learning electronics. 8 3396 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2857 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4398 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4546 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7470 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4863 July 02, 2010
by mongo
Electro Cardio Gram 4 3858 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2916 June 12, 2010
by Wobbler
Voltage Regulator 20 4381 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4116 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4622 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4391 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3571 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2892 June 06, 2010
by Kafke
TSSOP IC! 4 3378 June 03, 2010
by mrobbins
AVcc 2 3826 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 3003 May 31, 2010
by hevans
Cable Driver 2 2795 May 31, 2010
by mongo
Best 9V adapter to use 2 3125 May 28, 2010
by mongo
Unidirectional microphones 5 3397 May 27, 2010
by mongo
Servo question 3 2976 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3446 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3420 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4773 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 8059 May 21, 2010
by hevans
Chinese Solenoid 15 3304 May 10, 2010
by treymd
avrisp mkii circuit 4 4600 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 3023 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7720 May 07, 2010
by rajabalu21
Simple Power Switch 6 3036 May 05, 2010
by avicell
I can haz speed! 3 3217 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4752 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3774 April 21, 2010
by bretm
Help with choosing the right resistor 10 4685 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 7265 April 15, 2010
by bretm
Resistor 4 2758 April 15, 2010
by mongo
MCU digital input pins 3 2744 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3176 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8820 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 5021 March 28, 2010
by carlhako
Laptop ground safety question 3 3266 March 27, 2010
by ese
LM34 R-C Damper 5 3999 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3350 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2891 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4825 March 23, 2010
by ese
constant system reset 3 2771 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3324 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 4078 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3772 March 17, 2010
by Frozenlock
What is -VS? 6 5651 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4718 March 04, 2010
by treymd
Using MCU to connect two wires 3 3376 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7487 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 3083 March 02, 2010
by Solorbob
Deciphering power resistors 11 3424 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2936 March 01, 2010
by nrotstan
Understanding LEDs 16 5028 March 01, 2010
by michaeldallas
What's the part I need? 5 3042 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9746 February 23, 2010
by rajabalu21
Too much power? 14 3820 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4391 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3831 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 10719 February 18, 2010
by Rick_S
Serial port interface circuit 2 3957 February 17, 2010
by mongo
OBDII project 3 3085 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 5818 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5416 February 13, 2010
by BobaMosfet
Digital pots 5 3332 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3426 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4412 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4654 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5585 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3435 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5299 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8453 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4185 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3396 December 27, 2009
by jgauthier
Servo Signal Noise 2 2925 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5704 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9621 December 10, 2009
by georgio
Relays and transistors 12 7520 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6675 December 09, 2009
by Rick_S
IR Detector 7 6005 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3946 November 19, 2009
by mikedoug
Debug with lcd 6 3974 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3540 November 15, 2009
by tech20
Understanding output pin characteristics 4 3291 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 5068 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3510 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 44469 October 30, 2009
by BobaMosfet
DIY header unit 2 3838 October 10, 2009
by rusirius
Thermostat Logging 6 5055 October 09, 2009
by luke
Understanding transistors 6 5011 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8544 October 07, 2009
by mikedoug
Currant booster 3 2891 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3992 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 10668 August 27, 2009
by hevans
Which LED? 14 3678 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4580 August 07, 2009
by mongo
pull up, pull down resistors 7 15579 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 9137 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5583 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5181 July 07, 2009
by sector0
Reset switch for circuit 3 3552 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 28761 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4168 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3521 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3595 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4194 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3457 May 06, 2009
by paulip

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