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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3945 posts)
Thread Posts Views Last Post
Need Diode Data Sheets 3 3362 July 27, 2019
by BobaMosfet
mosfet control during start up 5 5563 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 4422 April 12, 2016
by Ralphxyz
USBasp Help! 3 3141 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 5025 May 04, 2015
by mongo
Need to replace Wall Watt 16 2319 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2659 April 10, 2015
by Noter
My new 3D Printer 44 16828 April 07, 2015
by Rick_S
AtMega 644 2 2878 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 2080 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 2506 June 02, 2014
by JKITSON
Automated programming mode? 9 2821 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2497 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 2342 January 28, 2014
by lailai
What kind of error is this? 4 2438 January 23, 2014
by Noter
How to double a DC voltage? 20 7949 January 12, 2014
by JKITSON
Is the code the driver? 2 2090 January 12, 2014
by Ralphxyz
Miniature headers 6 2534 January 01, 2014
by Ralphxyz
BLDC 8 2462 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2830 November 26, 2013
by Rick_S
GLCD SPI problems 14 5904 November 10, 2013
by andyi
Moving on... 7 2498 November 08, 2013
by Pr0ject
Power supply questions 4 3122 October 31, 2013
by sask55
OLED 4 2174 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 10695 September 22, 2013
by sask55
Opto Interrupter once again 14 5411 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 2323 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 8694 September 02, 2013
by Ralphxyz
USB cable specifications 7 2796 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2689 August 27, 2013
by Affarram
XMEGA Breakout 8 2911 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 2161 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2714 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2727 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 7792 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 11290 June 18, 2013
by Noter
Two Wrongs Make it Right 3 2144 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2599 April 08, 2013
by pcbolt
Using diode to drop voltage 12 52930 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 2048 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 2370 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 4474 March 14, 2013
by mongo
Current vs Voltage 8 3085 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 3055 March 09, 2013
by lnino
Electric current 2 2010 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4835 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 5844 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 4394 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2780 February 24, 2013
by lnino
Relay Question 27 5707 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4991 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 3214 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 3326 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2860 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2610 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 3045 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2591 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 3309 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 2165 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 2227 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2421 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 7544 November 18, 2012
by carlhako
SPI slave clock 6 2745 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 2339 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 21897 October 23, 2012
by Noter
NPN circuit connection quandry 4 2871 September 24, 2012
by edb
Simple I/O circuit 4 2379 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 2304 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1946 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3904 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2531 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4571 September 13, 2012
by dan_engbers
Electronics simulation 8 3078 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4857 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2432 August 20, 2012
by rblalock
louder sound 2 2231 August 18, 2012
by mongo
connector or cable for LCD display? 4 2353 August 13, 2012
by missle3944
Powering L.E.Ds 5 2498 August 09, 2012
by BobaMosfet
Wires in U.K 5 2611 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2719 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4720 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 5182 July 25, 2012
by bretm
Stepper Motor Direction Control 12 3006 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 19095 July 21, 2012
by lnino
um help 6 2283 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2964 July 18, 2012
by Ralphxyz
help me 11 2793 July 03, 2012
by Rick_S
Crystal Oscillator question 2 2307 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 3313 June 24, 2012
by Ralphxyz
HELP 3 2095 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 12112 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 2255 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3448 June 17, 2012
by RogerFL
Programmable current source 6 3450 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 3588 June 11, 2012
by mongo
HELP 6 2424 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2671 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 39713 May 24, 2012
by Ralphxyz
i need a code 8 2825 May 15, 2012
by pcbolt
Clock Accuracy 30 6454 May 14, 2012
by HexManiac
Relays and Controlling them 9 2701 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 3038 May 09, 2012
by RogerFL
Powering your NerdKit 7 2633 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2528 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 5321 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2798 April 24, 2012
by pcbolt
Programs will not run 6 2479 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2996 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2690 April 09, 2012
by Ralphxyz
Path Lights controller 2 2396 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2544 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2995 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2727 April 01, 2012
by JamesFysh
Question on LCD screen 5 2590 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2576 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3813 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 3187 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 6424 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2722 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 3184 March 15, 2012
by mongo
Digital servo issues! 9 2975 March 15, 2012
by Rick_S
Brushless motor control 16 3314 March 12, 2012
by hevans
Windows not detecting device 3 2360 March 10, 2012
by hevans
Voltage throught MCU 5 2387 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 16965 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 9220 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 12786 March 01, 2012
by hevans
Up and running... 3 2154 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2636 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2992 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2393 February 24, 2012
by Rick_S
programming lcd trubs 7 2474 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 3108 February 18, 2012
by Rick_S
Oscilloscope 15 4216 February 18, 2012
by Osarus
How far away can a LM34 be? 16 7752 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3665 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2648 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 6949 February 09, 2012
by mongo
Data transmission 3 2994 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 3068 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 4166 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2491 February 03, 2012
by BobaMosfet
connencting two ics to port 3 2172 January 31, 2012
by tchilzer2
H bridge questions 6 2900 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2707 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2961 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 3194 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5888 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2895 January 15, 2012
by Rick_S
Source of power? 19 2855 January 13, 2012
by mongo
symbol defined please? 4 2805 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 14646 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2438 January 06, 2012
by boxvic
Basic LED circuit properties 8 2855 January 06, 2012
by boxvic
Getting Started 3 2498 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3411 January 02, 2012
by bodangly
SMD reflow 16 3570 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2635 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 3187 December 23, 2011
by BobaMosfet
Potentiometer 8 3267 December 23, 2011
by huzbum
Fun with Op-Amps 3 4212 December 22, 2011
by treymd
Do I need an H-Bridge? 14 3099 December 19, 2011
by n1cl3
Odessy of the minds 5 2916 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 2317 November 27, 2011
by sazD
Initial Load 2 2865 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 3188 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 4136 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2999 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6997 November 10, 2011
by jfbrink
Servo Squitter Project 13 2718 November 09, 2011
by Heed
how do i run a program 4 2314 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2477 November 07, 2011
by Heed
Motor control question 2 2395 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 6404 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2561 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2573 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 74661 October 24, 2011
by glendon
Measuring Capacitance 9 3908 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2741 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3927 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 15345 October 16, 2011
by sask55
RxD / TxD Questions 10 5139 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2775 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2613 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2359 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2500 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 8890 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3983 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20982 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 8091 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2352 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5683 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 9740 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6720 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 3139 September 01, 2011
by BobaMosfet
Dim LED 3 2391 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2867 August 23, 2011
by Twarter369
Easy Transistor Question 4 3288 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 4462 August 18, 2011
by Ralphxyz
Building a coil?? 12 4759 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2790 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2443 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 2213 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 2228 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 20521 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 3411 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2589 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2630 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2645 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 4709 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2381 July 17, 2011
by codenamejupiterx
avr macpack 3 2565 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2636 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2615 July 13, 2011
by BobaMosfet
Battery clip wires 3 2375 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 2233 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2488 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2744 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 3019 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 16432 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2685 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2558 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 4563 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2918 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2986 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2772 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 3005 June 06, 2011
by mja
A couple of questions 3 2495 June 06, 2011
by Ralphxyz
How much should I strip? 3 2301 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2952 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2566 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2887 May 29, 2011
by Rick_S
Digital Input Question 4 2663 May 28, 2011
by frankdwest
PCB arrived 20 2597 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 3178 May 24, 2011
by gcharris
Calculating bypass capacitor 6 17853 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 3210 May 09, 2011
by Noter
IR current 6 2895 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3645 May 04, 2011
by hariharan
Heat sensors 21 3836 May 04, 2011
by Hexorg
error 1 2 2475 May 02, 2011
by hevans
Transistor vs mosfet 13 10239 May 01, 2011
by Noter
PCB trace width calculator 3 3912 April 24, 2011
by esoderberg
OLED display 10 3169 April 23, 2011
by Rick_S
Power Supplies 17 4219 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2536 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 3000 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2390 April 20, 2011
by jasongillikin
RF and oscoliscope 2 3066 April 19, 2011
by mongo
Connecting to external control voltages 4 2679 April 19, 2011
by bretm
IR current question 7 2654 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 3270 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 3373 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2962 April 10, 2011
by uml_12
Basic projects 3 2609 April 09, 2011
by mongo
REFLOW oven 22 5191 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 10500 April 07, 2011
by bretm
unexpected MCU rebooting 82 7055 April 05, 2011
by sask55
REFLOW Soldering 3 3296 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2876 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4979 March 30, 2011
by bretm
Black Display on LCD 6 2916 March 28, 2011
by Druidman
32kHz clock 2 2594 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 8194 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 7674 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 4486 March 16, 2011
by mongo
LCD problem 3 2923 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3459 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3632 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2685 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4986 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3525 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3530 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 9639 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 6552 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3998 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 7271 February 19, 2011
by Lusitania
My first Impression 6 2924 February 16, 2011
by devinsbusiness
Understanding battery life 3 4099 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3845 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3467 February 05, 2011
by BobaMosfet
High voltage lines 26 4962 February 02, 2011
by mongo
USB 3 2658 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3495 February 02, 2011
by Jalex
Alternating LED circuit 4 3338 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 4377 January 31, 2011
by il1019
Affordable oscilloscopes 43 11861 January 27, 2011
by BStory
"And"gate unfinished thought 2 2544 January 27, 2011
by Hexorg
replace MCU? 30 7267 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 3268 January 25, 2011
by Ralphxyz
Multimeter! 12 5096 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 4058 January 25, 2011
by Jalex
My LED Cube so far 25 8340 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3926 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 3250 January 18, 2011
by dgikuljot
Counting 5 2465 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6802 January 17, 2011
by bretm
Programming 5 3307 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3653 January 11, 2011
by Yourself
Begining 7 3308 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 4078 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3499 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2749 January 09, 2011
by mrobbins
UART operating at 3.3V 1 3136 January 06, 2011
by Mujda
Data input voltage 6 3401 January 03, 2011
by Rick_S
MOSFET Question 7 3381 December 31, 2010
by Keyster
Transistor as a switch 5 3257 December 29, 2010
by Hexorg
Resistors 5 3615 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 8270 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3498 December 28, 2010
by BobaMosfet
Relay ratings 2 3072 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 17131 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2803 December 17, 2010
by mongo
Power Rectifier 7 3281 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4857 December 14, 2010
by danuke
This a decent oscilloscope? 8 3343 December 14, 2010
by danuke
Do resistors in series really add up? 8 4446 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3977 December 09, 2010
by bretm
L293 H-Bridge 15 4446 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 4183 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4680 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3876 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 4456 November 24, 2010
by BobaMosfet
Op-amp not working 6 4625 November 24, 2010
by BobaMosfet
Python questions 4 3856 November 21, 2010
by tkopriva
CE Amp design 5 3049 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 3230 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 3054 November 05, 2010
by Mujda
PC4 not working?! 8 2780 November 04, 2010
by hapshetsut
Amplifiers 4 2972 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3775 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3778 October 04, 2010
by Scythium
radio interference from NerdKit 11 2889 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 7328 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3411 September 11, 2010
by akajester
QFP and dreadboard 2 3291 September 02, 2010
by bretm
Getting power to the spinning part... 5 3387 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9752 August 30, 2010
by Ralphxyz
morse code decoder 2 3540 August 26, 2010
by jonathan_m
Connecting to Computer 3 3352 August 25, 2010
by awesome
555 astable on breadboard 12 4907 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2971 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3464 August 19, 2010
by hevans
mosfet 3 2867 August 13, 2010
by hevans
Good material on learning electronics. 8 3281 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2752 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 4224 August 02, 2010
by mrobbins
More batteries = more voltage? 3 4409 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 7283 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4717 July 02, 2010
by mongo
Electro Cardio Gram 4 3735 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2796 June 12, 2010
by Wobbler
Voltage Regulator 20 4262 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 4009 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4507 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 4258 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3455 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2781 June 06, 2010
by Kafke
TSSOP IC! 4 3260 June 03, 2010
by mrobbins
AVcc 2 3718 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2895 May 31, 2010
by hevans
Cable Driver 2 2688 May 31, 2010
by mongo
Best 9V adapter to use 2 3010 May 28, 2010
by mongo
Unidirectional microphones 5 3303 May 27, 2010
by mongo
Servo question 3 2862 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 3339 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 3299 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4613 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7831 May 21, 2010
by hevans
Chinese Solenoid 15 3188 May 10, 2010
by treymd
avrisp mkii circuit 4 4487 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2916 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 7563 May 07, 2010
by rajabalu21
Simple Power Switch 6 2920 May 05, 2010
by avicell
I can haz speed! 3 3100 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4614 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3665 April 21, 2010
by bretm
Help with choosing the right resistor 10 4558 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 6847 April 15, 2010
by bretm
Resistor 4 2645 April 15, 2010
by mongo
MCU digital input pins 3 2631 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 3076 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8675 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4904 March 28, 2010
by carlhako
Laptop ground safety question 3 3150 March 27, 2010
by ese
LM34 R-C Damper 5 3851 March 24, 2010
by BobaMosfet
NerdKits & USB 5 3237 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2772 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4701 March 23, 2010
by ese
constant system reset 3 2662 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 3209 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3954 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3661 March 17, 2010
by Frozenlock
What is -VS? 6 5421 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4602 March 04, 2010
by treymd
Using MCU to connect two wires 3 3257 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 7308 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2958 March 02, 2010
by Solorbob
Deciphering power resistors 11 3293 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2845 March 01, 2010
by nrotstan
Understanding LEDs 16 4892 March 01, 2010
by michaeldallas
What's the part I need? 5 2930 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9608 February 23, 2010
by rajabalu21
Too much power? 14 3709 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 4274 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3693 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 10461 February 18, 2010
by Rick_S
Serial port interface circuit 2 3843 February 17, 2010
by mongo
OBDII project 3 2969 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 5584 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 5244 February 13, 2010
by BobaMosfet
Digital pots 5 3201 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 3308 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 4304 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4508 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 5440 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 3322 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 5173 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 8200 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 4067 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 3285 December 27, 2009
by jgauthier
Servo Signal Noise 2 2824 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5583 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9500 December 10, 2009
by georgio
Relays and transistors 12 7400 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6511 December 09, 2009
by Rick_S
IR Detector 7 5782 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3825 November 19, 2009
by mikedoug
Debug with lcd 6 3861 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3427 November 15, 2009
by tech20
Understanding output pin characteristics 4 3177 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4961 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3406 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 44086 October 30, 2009
by BobaMosfet
DIY header unit 2 3726 October 10, 2009
by rusirius
Thermostat Logging 6 4878 October 09, 2009
by luke
Understanding transistors 6 4902 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 8390 October 07, 2009
by mikedoug
Currant booster 3 2781 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3870 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 10426 August 27, 2009
by hevans
Which LED? 14 3568 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4470 August 07, 2009
by mongo
pull up, pull down resistors 7 15446 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8947 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 5442 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 5029 July 07, 2009
by sector0
Reset switch for circuit 3 3429 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 28424 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 4032 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3412 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3480 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 4083 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 3344 May 06, 2009
by paulip

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