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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 3330 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 3831 April 12, 2016
by Ralphxyz
USBasp Help! 3 2435 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 4353 May 04, 2015
by mongo
Need to replace Wall Watt 16 1769 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 2140 April 10, 2015
by Noter
My new 3D Printer 44 16199 April 07, 2015
by Rick_S
AtMega 644 2 2380 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1634 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1926 June 02, 2014
by JKITSON
Automated programming mode? 9 2298 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1963 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1847 January 28, 2014
by lailai
What kind of error is this? 4 1941 January 23, 2014
by Noter
How to double a DC voltage? 20 6853 January 12, 2014
by JKITSON
Is the code the driver? 2 1614 January 12, 2014
by Ralphxyz
Miniature headers 6 2029 January 01, 2014
by Ralphxyz
BLDC 8 1975 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2356 November 26, 2013
by Rick_S
GLCD SPI problems 14 4986 November 10, 2013
by andyi
Moving on... 7 2018 November 08, 2013
by Pr0ject
Power supply questions 4 2475 October 31, 2013
by sask55
OLED 4 1725 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 8383 September 22, 2013
by sask55
Opto Interrupter once again 14 4678 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1856 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 7864 September 02, 2013
by Ralphxyz
USB cable specifications 7 2100 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 2205 August 27, 2013
by Affarram
XMEGA Breakout 8 2395 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1705 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 2199 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 2229 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 6558 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 9255 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1744 May 22, 2013
by meltbox360
accurate time for a real time clock 5 2154 April 08, 2013
by pcbolt
Using diode to drop voltage 12 44376 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1583 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1922 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3688 March 14, 2013
by mongo
Current vs Voltage 8 2575 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2537 March 09, 2013
by lnino
Electric current 2 1591 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4330 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 4627 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3703 February 28, 2013
by BobaMosfet
Control electronic door opener 15 2206 February 24, 2013
by lnino
Relay Question 27 5067 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4346 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2569 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2775 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 2303 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 2150 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2577 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 2139 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2845 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1728 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1817 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1975 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 6846 November 18, 2012
by carlhako
SPI slave clock 6 2237 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1880 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 19362 October 23, 2012
by Noter
NPN circuit connection quandry 4 2393 September 24, 2012
by edb
Simple I/O circuit 4 1959 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1749 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1498 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3336 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 2078 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3990 September 13, 2012
by dan_engbers
Electronics simulation 8 2600 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 4046 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1998 August 20, 2012
by rblalock
louder sound 2 1751 August 18, 2012
by mongo
connector or cable for LCD display? 4 1900 August 13, 2012
by missle3944
Powering L.E.Ds 5 2060 August 09, 2012
by BobaMosfet
Wires in U.K 5 2152 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2286 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 4074 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4579 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2405 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 17658 July 21, 2012
by lnino
um help 6 1844 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2290 July 18, 2012
by Ralphxyz
help me 11 2340 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1832 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2780 June 24, 2012
by Ralphxyz
HELP 3 1680 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 11150 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1820 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2919 June 17, 2012
by RogerFL
Programmable current source 6 2760 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2848 June 11, 2012
by mongo
HELP 6 1922 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 2212 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 30670 May 24, 2012
by Ralphxyz
i need a code 8 2348 May 15, 2012
by pcbolt
Clock Accuracy 30 5805 May 14, 2012
by HexManiac
Relays and Controlling them 9 2232 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2550 May 09, 2012
by RogerFL
Powering your NerdKit 7 2217 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 2041 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 3987 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2310 April 24, 2012
by pcbolt
Programs will not run 6 2032 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2498 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 2245 April 09, 2012
by Ralphxyz
Path Lights controller 2 1952 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 2114 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2482 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 2283 April 01, 2012
by JamesFysh
Question on LCD screen 5 2038 March 30, 2012
by billtaichi
Is this Capaciator Good 4 2100 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3378 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2746 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 5274 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2264 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2541 March 15, 2012
by mongo
Digital servo issues! 9 2452 March 15, 2012
by Rick_S
Brushless motor control 16 2838 March 12, 2012
by hevans
Windows not detecting device 3 1968 March 10, 2012
by hevans
Voltage throught MCU 5 1966 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 15813 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 7909 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 9730 March 01, 2012
by hevans
Up and running... 3 1747 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 2196 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2524 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1958 February 24, 2012
by Rick_S
programming lcd trubs 7 2025 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2645 February 18, 2012
by Rick_S
Oscilloscope 15 3689 February 18, 2012
by Osarus
How far away can a LM34 be? 16 6853 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 3216 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2225 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 5304 February 09, 2012
by mongo
Data transmission 3 2491 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2561 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3646 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 2057 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1769 January 31, 2012
by tchilzer2
H bridge questions 6 2333 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2266 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2449 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2687 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4963 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2437 January 15, 2012
by Rick_S
Source of power? 19 2408 January 13, 2012
by mongo
symbol defined please? 4 2394 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 12245 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1997 January 06, 2012
by boxvic
Basic LED circuit properties 8 2347 January 06, 2012
by boxvic
Getting Started 3 2077 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2918 January 02, 2012
by bodangly
SMD reflow 16 3086 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 2161 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2720 December 23, 2011
by BobaMosfet
Potentiometer 8 2768 December 23, 2011
by huzbum
Fun with Op-Amps 3 3635 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2599 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2566 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2461 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1905 November 27, 2011
by sazD
Initial Load 2 2412 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2665 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3600 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2551 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 6207 November 10, 2011
by jfbrink
Servo Squitter Project 13 2325 November 09, 2011
by Heed
how do i run a program 4 1930 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 2059 November 07, 2011
by Heed
Motor control question 2 1966 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 5291 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 2145 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 2135 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 65382 October 24, 2011
by glendon
Measuring Capacitance 9 3417 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2315 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3305 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 13170 October 16, 2011
by sask55
RxD / TxD Questions 10 4286 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2364 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2200 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1959 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 2080 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 7529 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3351 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 20024 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 6067 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1958 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 5111 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 8069 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5932 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2530 September 01, 2011
by BobaMosfet
Dim LED 3 2013 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2385 August 23, 2011
by Twarter369
Easy Transistor Question 4 2735 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3824 August 18, 2011
by Ralphxyz
Building a coil?? 12 3784 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2297 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 2057 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1737 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1810 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 17941 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2889 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 2110 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 2210 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 2180 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3893 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1970 July 17, 2011
by codenamejupiterx
avr macpack 3 2106 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2214 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 2202 July 13, 2011
by BobaMosfet
Battery clip wires 3 1984 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1842 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 2076 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2263 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2602 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 13081 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2289 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 2138 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3864 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2492 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2452 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2330 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2365 June 06, 2011
by mja
A couple of questions 3 2072 June 06, 2011
by Ralphxyz
How much should I strip? 3 1870 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2513 June 01, 2011
by hevans
Motor Control/MCU power bus 5 2113 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2409 May 29, 2011
by Rick_S
Digital Input Question 4 2239 May 28, 2011
by frankdwest
PCB arrived 20 2203 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2747 May 24, 2011
by gcharris
Calculating bypass capacitor 6 15578 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2785 May 09, 2011
by Noter
IR current 6 2488 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 3140 May 04, 2011
by hariharan
Heat sensors 21 3376 May 04, 2011
by Hexorg
error 1 2 2058 May 02, 2011
by hevans
Transistor vs mosfet 13 9492 May 01, 2011
by Noter
PCB trace width calculator 3 3397 April 24, 2011
by esoderberg
OLED display 10 2738 April 23, 2011
by Rick_S
Power Supplies 17 3715 April 22, 2011
by BobBolinger
LCD & battery&USB 4 2116 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2544 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1990 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2641 April 19, 2011
by mongo
Connecting to external control voltages 4 2275 April 19, 2011
by bretm
IR current question 7 2245 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2803 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2741 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2541 April 10, 2011
by uml_12
Basic projects 3 2214 April 09, 2011
by mongo
REFLOW oven 22 4649 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 9145 April 07, 2011
by bretm
unexpected MCU rebooting 82 6403 April 05, 2011
by sask55
REFLOW Soldering 3 2827 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2412 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4482 March 30, 2011
by bretm
Black Display on LCD 6 2476 March 28, 2011
by Druidman
32kHz clock 2 2193 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 7215 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 6622 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3860 March 16, 2011
by mongo
LCD problem 3 2434 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 3076 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 3143 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2239 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 4194 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 3006 February 26, 2011
by amartinez
Why does my led light without the battery? 2 3120 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8784 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5643 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3575 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 6287 February 19, 2011
by Lusitania
My first Impression 6 2515 February 16, 2011
by devinsbusiness
Understanding battery life 3 3618 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3399 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2985 February 05, 2011
by BobaMosfet
High voltage lines 26 4289 February 02, 2011
by mongo
USB 3 2249 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 3047 February 02, 2011
by Jalex
Alternating LED circuit 4 2895 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3863 January 31, 2011
by il1019
Affordable oscilloscopes 43 10519 January 27, 2011
by BStory
"And"gate unfinished thought 2 2155 January 27, 2011
by Hexorg
replace MCU? 30 6690 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2822 January 25, 2011
by Ralphxyz
Multimeter! 12 4559 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3575 January 25, 2011
by Jalex
My LED Cube so far 25 7530 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3468 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2779 January 18, 2011
by dgikuljot
Counting 5 2022 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 6073 January 17, 2011
by bretm
Programming 5 2853 January 14, 2011
by Ralphxyz
Induction loop actuator 7 3232 January 11, 2011
by Yourself
Begining 7 2873 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3580 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 3046 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2314 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2722 January 06, 2011
by Mujda
Data input voltage 6 3005 January 03, 2011
by Rick_S
MOSFET Question 7 2939 December 31, 2010
by Keyster
Transistor as a switch 5 2785 December 29, 2010
by Hexorg
Resistors 5 3199 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7544 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2958 December 28, 2010
by BobaMosfet
Relay ratings 2 2646 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 16157 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2422 December 17, 2010
by mongo
Power Rectifier 7 2758 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4308 December 14, 2010
by danuke
This a decent oscilloscope? 8 2923 December 14, 2010
by danuke
Do resistors in series really add up? 8 3954 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3402 December 09, 2010
by bretm
L293 H-Bridge 15 3932 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3677 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 4135 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3392 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3918 November 24, 2010
by BobaMosfet
Op-amp not working 6 4084 November 24, 2010
by BobaMosfet
Python questions 4 3437 November 21, 2010
by tkopriva
CE Amp design 5 2591 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2824 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2629 November 05, 2010
by Mujda
PC4 not working?! 8 2319 November 04, 2010
by hapshetsut
Amplifiers 4 2558 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3310 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3305 October 04, 2010
by Scythium
radio interference from NerdKit 11 2442 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 6472 September 14, 2010
by Ralphxyz
solar project with light sensors 7 3011 September 11, 2010
by akajester
QFP and dreadboard 2 2847 September 02, 2010
by bretm
Getting power to the spinning part... 5 2938 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 9055 August 30, 2010
by Ralphxyz
morse code decoder 2 3124 August 26, 2010
by jonathan_m
Connecting to Computer 3 2929 August 25, 2010
by awesome
555 astable on breadboard 12 4427 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2558 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2957 August 19, 2010
by hevans
mosfet 3 2468 August 13, 2010
by hevans
Good material on learning electronics. 8 2685 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2347 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3398 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3843 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6567 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 4041 July 02, 2010
by mongo
Electro Cardio Gram 4 3227 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2365 June 12, 2010
by Wobbler
Voltage Regulator 20 3837 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3612 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3930 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3765 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 3000 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2363 June 06, 2010
by Kafke
TSSOP IC! 4 2845 June 03, 2010
by mrobbins
AVcc 2 3248 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2472 May 31, 2010
by hevans
Cable Driver 2 2255 May 31, 2010
by mongo
Best 9V adapter to use 2 2581 May 28, 2010
by mongo
Unidirectional microphones 5 2830 May 27, 2010
by mongo
Servo question 3 2462 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2913 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2851 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3979 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 7025 May 21, 2010
by hevans
Chinese Solenoid 15 2738 May 10, 2010
by treymd
avrisp mkii circuit 4 4068 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2512 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 6786 May 07, 2010
by rajabalu21
Simple Power Switch 6 2505 May 05, 2010
by avicell
I can haz speed! 3 2685 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 4058 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3257 April 21, 2010
by bretm
Help with choosing the right resistor 10 4099 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 5819 April 15, 2010
by bretm
Resistor 4 2225 April 15, 2010
by mongo
MCU digital input pins 3 2197 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2651 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 8077 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4394 March 28, 2010
by carlhako
Laptop ground safety question 3 2751 March 27, 2010
by ese
LM34 R-C Damper 5 3207 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2770 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2365 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 4248 March 23, 2010
by ese
constant system reset 3 2258 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2769 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3508 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 3228 March 17, 2010
by Frozenlock
What is -VS? 6 4370 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 4200 March 04, 2010
by treymd
Using MCU to connect two wires 3 2765 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6494 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2523 March 02, 2010
by Solorbob
Deciphering power resistors 11 2851 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2477 March 01, 2010
by nrotstan
Understanding LEDs 16 4321 March 01, 2010
by michaeldallas
What's the part I need? 5 2527 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 9015 February 23, 2010
by rajabalu21
Too much power? 14 3295 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3814 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3206 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 9154 February 18, 2010
by Rick_S
Serial port interface circuit 2 3377 February 17, 2010
by mongo
OBDII project 3 2544 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4700 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4723 February 13, 2010
by BobaMosfet
Digital pots 5 2725 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2805 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3863 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3943 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4911 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2908 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4684 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 7182 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3540 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2852 December 27, 2009
by jgauthier
Servo Signal Noise 2 2368 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4980 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8988 December 10, 2009
by georgio
Relays and transistors 12 6850 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5934 December 09, 2009
by Rick_S
IR Detector 7 4856 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3350 November 19, 2009
by mikedoug
Debug with lcd 6 3308 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2938 November 15, 2009
by tech20
Understanding output pin characteristics 4 2709 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4494 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2985 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 41325 October 30, 2009
by BobaMosfet
DIY header unit 2 3296 October 10, 2009
by rusirius
Thermostat Logging 6 4206 October 09, 2009
by luke
Understanding transistors 6 4388 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7836 October 07, 2009
by mikedoug
Currant booster 3 2377 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3413 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 9465 August 27, 2009
by hevans
Which LED? 14 3111 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 4012 August 07, 2009
by mongo
pull up, pull down resistors 7 14785 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 8107 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4849 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4457 July 07, 2009
by sector0
Reset switch for circuit 3 2947 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 27204 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3435 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 3007 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 3070 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3669 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2922 May 06, 2009
by paulip

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