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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3944 posts)
Thread Posts Views Last Post
mosfet control during start up 5 3815 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 3916 April 12, 2016
by Ralphxyz
USBasp Help! 3 2514 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 4460 May 04, 2015
by mongo
Need to replace Wall Watt 16 1846 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2218 April 10, 2015
by Noter
My new 3D Printer 44 16281 April 07, 2015
by Rick_S
AtMega 644 2 2465 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1690 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1996 June 02, 2014
by JKITSON
Automated programming mode? 9 2377 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 2023 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1925 January 28, 2014
by lailai
What kind of error is this? 4 2017 January 23, 2014
by Noter
How to double a DC voltage? 20 7002 January 12, 2014
by JKITSON
Is the code the driver? 2 1680 January 12, 2014
by Ralphxyz
Miniature headers 6 2098 January 01, 2014
by Ralphxyz
BLDC 8 2049 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2428 November 26, 2013
by Rick_S
GLCD SPI problems 14 5119 November 10, 2013
by andyi
Moving on... 7 2079 November 08, 2013
by Pr0ject
Power supply questions 4 2558 October 31, 2013
by sask55
OLED 4 1792 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 8663 September 22, 2013
by sask55
Opto Interrupter once again 14 4777 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1914 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 7974 September 02, 2013
by Ralphxyz
USB cable specifications 7 2210 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2281 August 27, 2013
by Affarram
XMEGA Breakout 8 2479 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1780 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2283 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2309 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 6723 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 9527 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1803 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2218 April 08, 2013
by pcbolt
Using diode to drop voltage 12 45365 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1645 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1997 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3782 March 14, 2013
by mongo
Current vs Voltage 8 2662 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2615 March 09, 2013
by lnino
Electric current 2 1655 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4403 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 4773 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3797 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2285 February 24, 2013
by lnino
Relay Question 27 5153 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4435 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2665 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2855 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2397 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2222 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2650 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2218 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2929 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1797 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1878 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 2043 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 6969 November 18, 2012
by carlhako
SPI slave clock 6 2311 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1954 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 19655 October 23, 2012
by Noter
NPN circuit connection quandry 4 2474 September 24, 2012
by edb
Simple I/O circuit 4 2020 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1823 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1558 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3419 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2151 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 4067 September 13, 2012
by dan_engbers
Electronics simulation 8 2669 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4147 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 2070 August 20, 2012
by rblalock
louder sound 2 1812 August 18, 2012
by mongo
connector or cable for LCD display? 4 1967 August 13, 2012
by missle3944
Powering L.E.Ds 5 2129 August 09, 2012
by BobaMosfet
Wires in U.K 5 2226 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2347 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4170 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4663 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2502 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 17806 July 21, 2012
by lnino
um help 6 1913 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2368 July 18, 2012
by Ralphxyz
help me 11 2422 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1901 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2858 June 24, 2012
by Ralphxyz
HELP 3 1734 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 11284 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1889 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 3002 June 17, 2012
by RogerFL
Programmable current source 6 2864 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2948 June 11, 2012
by mongo
HELP 6 1991 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2291 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 31671 May 24, 2012
by Ralphxyz
i need a code 8 2416 May 15, 2012
by pcbolt
Clock Accuracy 30 5924 May 14, 2012
by HexManiac
Relays and Controlling them 9 2308 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2625 May 09, 2012
by RogerFL
Powering your NerdKit 7 2291 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2104 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 4140 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2385 April 24, 2012
by pcbolt
Programs will not run 6 2097 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2562 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2317 April 09, 2012
by Ralphxyz
Path Lights controller 2 2010 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2182 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2563 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2353 April 01, 2012
by JamesFysh
Question on LCD screen 5 2113 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2172 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3444 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2823 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 5455 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2321 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2628 March 15, 2012
by mongo
Digital servo issues! 9 2521 March 15, 2012
by Rick_S
Brushless motor control 16 2913 March 12, 2012
by hevans
Windows not detecting device 3 2025 March 10, 2012
by hevans
Voltage throught MCU 5 2029 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 15954 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 8120 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 10008 March 01, 2012
by hevans
Up and running... 3 1808 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2264 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2594 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 2021 February 24, 2012
by Rick_S
programming lcd trubs 7 2087 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2713 February 18, 2012
by Rick_S
Oscilloscope 15 3783 February 18, 2012
by Osarus
How far away can a LM34 be? 16 6975 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3286 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2298 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 5432 February 09, 2012
by mongo
Data transmission 3 2562 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2633 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3740 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2118 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1826 January 31, 2012
by tchilzer2
H bridge questions 6 2395 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2332 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2521 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2759 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 5083 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2505 January 15, 2012
by Rick_S
Source of power? 19 2486 January 13, 2012
by mongo
symbol defined please? 4 2463 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 12537 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 2058 January 06, 2012
by boxvic
Basic LED circuit properties 8 2419 January 06, 2012
by boxvic
Getting Started 3 2134 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 3006 January 02, 2012
by bodangly
SMD reflow 16 3164 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2229 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2800 December 23, 2011
by BobaMosfet
Potentiometer 8 2849 December 23, 2011
by huzbum
Fun with Op-Amps 3 3719 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2671 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2643 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2527 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1964 November 27, 2011
by sazD
Initial Load 2 2489 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2752 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3700 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2624 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6307 November 10, 2011
by jfbrink
Servo Squitter Project 13 2386 November 09, 2011
by Heed
how do i run a program 4 1984 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2117 November 07, 2011
by Heed
Motor control question 2 2018 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 5441 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2200 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2197 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 66391 October 24, 2011
by glendon
Measuring Capacitance 9 3484 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2381 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3390 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 13422 October 16, 2011
by sask55
RxD / TxD Questions 10 4394 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2429 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2251 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 2022 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2137 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 7668 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3433 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20166 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 6279 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 2005 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5204 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 8209 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 6044 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2615 September 01, 2011
by BobaMosfet
Dim LED 3 2065 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2457 August 23, 2011
by Twarter369
Easy Transistor Question 4 2804 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3930 August 18, 2011
by Ralphxyz
Building a coil?? 12 3876 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2359 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2119 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1788 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1870 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 18717 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2960 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2176 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2270 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2246 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3986 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 2026 July 17, 2011
by codenamejupiterx
avr macpack 3 2182 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2273 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2266 July 13, 2011
by BobaMosfet
Battery clip wires 3 2041 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1896 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2146 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2334 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2666 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 13452 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2347 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2200 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3985 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2564 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2518 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2393 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2438 June 06, 2011
by mja
A couple of questions 3 2130 June 06, 2011
by Ralphxyz
How much should I strip? 3 1928 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2581 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2167 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2478 May 29, 2011
by Rick_S
Digital Input Question 4 2312 May 28, 2011
by frankdwest
PCB arrived 20 2274 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2805 May 24, 2011
by gcharris
Calculating bypass capacitor 6 15857 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2842 May 09, 2011
by Noter
IR current 6 2555 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3211 May 04, 2011
by hariharan
Heat sensors 21 3456 May 04, 2011
by Hexorg
error 1 2 2112 May 02, 2011
by hevans
Transistor vs mosfet 13 9604 May 01, 2011
by Noter
PCB trace width calculator 3 3483 April 24, 2011
by esoderberg
OLED display 10 2803 April 23, 2011
by Rick_S
Power Supplies 17 3788 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2185 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2606 April 21, 2011
by Rick_S
ADC Theremin Help... 1 2050 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2704 April 19, 2011
by mongo
Connecting to external control voltages 4 2338 April 19, 2011
by bretm
IR current question 7 2315 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2865 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2814 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2602 April 10, 2011
by uml_12
Basic projects 3 2288 April 09, 2011
by mongo
REFLOW oven 22 4747 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 9336 April 07, 2011
by bretm
unexpected MCU rebooting 82 6505 April 05, 2011
by sask55
REFLOW Soldering 3 2906 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2475 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4549 March 30, 2011
by bretm
Black Display on LCD 6 2549 March 28, 2011
by Druidman
32kHz clock 2 2246 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 7325 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 6753 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3952 March 16, 2011
by mongo
LCD problem 3 2495 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3136 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3211 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2299 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4289 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3074 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3179 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8923 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5764 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3643 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 6398 February 19, 2011
by Lusitania
My first Impression 6 2592 February 16, 2011
by devinsbusiness
Understanding battery life 3 3690 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3470 February 13, 2011
by sask55
Using Devices With Different Voltages 11 3056 February 05, 2011
by BobaMosfet
High voltage lines 26 4366 February 02, 2011
by mongo
USB 3 2310 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3132 February 02, 2011
by Jalex
Alternating LED circuit 4 2954 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3932 January 31, 2011
by il1019
Affordable oscilloscopes 43 10629 January 27, 2011
by BStory
"And"gate unfinished thought 2 2212 January 27, 2011
by Hexorg
replace MCU? 30 6775 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2888 January 25, 2011
by Ralphxyz
Multimeter! 12 4630 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3651 January 25, 2011
by Jalex
My LED Cube so far 25 7629 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3543 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2850 January 18, 2011
by dgikuljot
Counting 5 2077 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6191 January 17, 2011
by bretm
Programming 5 2923 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3290 January 11, 2011
by Yourself
Begining 7 2947 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3659 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3112 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2393 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2784 January 06, 2011
by Mujda
Data input voltage 6 3065 January 03, 2011
by Rick_S
MOSFET Question 7 3015 December 31, 2010
by Keyster
Transistor as a switch 5 2854 December 29, 2010
by Hexorg
Resistors 5 3269 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7643 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 3042 December 28, 2010
by BobaMosfet
Relay ratings 2 2703 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 16278 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2476 December 17, 2010
by mongo
Power Rectifier 7 2825 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4393 December 14, 2010
by danuke
This a decent oscilloscope? 8 2992 December 14, 2010
by danuke
Do resistors in series really add up? 8 4022 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3494 December 09, 2010
by bretm
L293 H-Bridge 15 4000 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3753 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4199 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3463 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3991 November 24, 2010
by BobaMosfet
Op-amp not working 6 4159 November 24, 2010
by BobaMosfet
Python questions 4 3499 November 21, 2010
by tkopriva
CE Amp design 5 2653 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2874 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2694 November 05, 2010
by Mujda
PC4 not working?! 8 2381 November 04, 2010
by hapshetsut
Amplifiers 4 2622 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3377 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3375 October 04, 2010
by Scythium
radio interference from NerdKit 11 2513 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 6600 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3073 September 11, 2010
by akajester
QFP and dreadboard 2 2920 September 02, 2010
by bretm
Getting power to the spinning part... 5 3011 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9171 August 30, 2010
by Ralphxyz
morse code decoder 2 3191 August 26, 2010
by jonathan_m
Connecting to Computer 3 2993 August 25, 2010
by awesome
555 astable on breadboard 12 4493 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2624 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 3014 August 19, 2010
by hevans
mosfet 3 2523 August 13, 2010
by hevans
Good material on learning electronics. 8 2781 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2407 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3472 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3946 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6659 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4144 July 02, 2010
by mongo
Electro Cardio Gram 4 3301 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2420 June 12, 2010
by Wobbler
Voltage Regulator 20 3903 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3679 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 4018 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3827 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3067 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2426 June 06, 2010
by Kafke
TSSOP IC! 4 2912 June 03, 2010
by mrobbins
AVcc 2 3319 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2529 May 31, 2010
by hevans
Cable Driver 2 2323 May 31, 2010
by mongo
Best 9V adapter to use 2 2655 May 28, 2010
by mongo
Unidirectional microphones 5 2887 May 27, 2010
by mongo
Servo question 3 2519 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2984 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2922 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 4082 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7146 May 21, 2010
by hevans
Chinese Solenoid 15 2813 May 10, 2010
by treymd
avrisp mkii circuit 4 4126 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2570 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 6906 May 07, 2010
by rajabalu21
Simple Power Switch 6 2570 May 05, 2010
by avicell
I can haz speed! 3 2745 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4129 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3327 April 21, 2010
by bretm
Help with choosing the right resistor 10 4166 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 5922 April 15, 2010
by bretm
Resistor 4 2279 April 15, 2010
by mongo
MCU digital input pins 3 2258 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2704 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8167 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4472 March 28, 2010
by carlhako
Laptop ground safety question 3 2807 March 27, 2010
by ese
LM34 R-C Damper 5 3282 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2842 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2420 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4320 March 23, 2010
by ese
constant system reset 3 2322 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2835 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3587 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3290 March 17, 2010
by Frozenlock
What is -VS? 6 4507 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4260 March 04, 2010
by treymd
Using MCU to connect two wires 3 2815 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6606 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2575 March 02, 2010
by Solorbob
Deciphering power resistors 11 2914 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2531 March 01, 2010
by nrotstan
Understanding LEDs 16 4401 March 01, 2010
by michaeldallas
What's the part I need? 5 2586 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9109 February 23, 2010
by rajabalu21
Too much power? 14 3369 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3877 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3280 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 9294 February 18, 2010
by Rick_S
Serial port interface circuit 2 3439 February 17, 2010
by mongo
OBDII project 3 2600 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4791 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4814 February 13, 2010
by BobaMosfet
Digital pots 5 2796 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2886 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3931 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 4033 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4985 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2965 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4766 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 7301 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3620 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2918 December 27, 2009
by jgauthier
Servo Signal Noise 2 2417 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 5056 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 9077 December 10, 2009
by georgio
Relays and transistors 12 6932 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 6049 December 09, 2009
by Rick_S
IR Detector 7 4979 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3415 November 19, 2009
by mikedoug
Debug with lcd 6 3378 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 3006 November 15, 2009
by tech20
Understanding output pin characteristics 4 2775 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4566 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 3045 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 41790 October 30, 2009
by BobaMosfet
DIY header unit 2 3366 October 10, 2009
by rusirius
Thermostat Logging 6 4299 October 09, 2009
by luke
Understanding transistors 6 4472 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7928 October 07, 2009
by mikedoug
Currant booster 3 2437 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3492 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 9596 August 27, 2009
by hevans
Which LED? 14 3174 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4070 August 07, 2009
by mongo
pull up, pull down resistors 7 14879 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8210 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4912 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4530 July 07, 2009
by sector0
Reset switch for circuit 3 3015 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 27333 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3505 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3070 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3132 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3732 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2987 May 06, 2009
by paulip

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