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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 1108 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 3441 April 12, 2016
by Ralphxyz
USBasp Help! 3 2024 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3838 May 04, 2015
by mongo
Need to replace Wall Watt 16 1373 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1786 April 10, 2015
by Noter
My new 3D Printer 44 15793 April 07, 2015
by Rick_S
AtMega 644 2 1969 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1344 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1566 June 02, 2014
by JKITSON
Automated programming mode? 9 1892 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1651 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1400 January 28, 2014
by lailai
What kind of error is this? 4 1612 January 23, 2014
by Noter
How to double a DC voltage? 20 6250 January 12, 2014
by JKITSON
Is the code the driver? 2 1325 January 12, 2014
by Ralphxyz
Miniature headers 6 1683 January 01, 2014
by Ralphxyz
BLDC 8 1620 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1992 November 26, 2013
by Rick_S
GLCD SPI problems 14 4362 November 10, 2013
by andyi
Moving on... 7 1742 November 08, 2013
by Pr0ject
Power supply questions 4 2106 October 31, 2013
by sask55
OLED 4 1389 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 7077 September 22, 2013
by sask55
Opto Interrupter once again 14 4162 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1525 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 7387 September 02, 2013
by Ralphxyz
USB cable specifications 7 1651 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1841 August 27, 2013
by Affarram
XMEGA Breakout 8 1976 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1355 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1814 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1857 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 6022 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 8396 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1432 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1829 April 08, 2013
by pcbolt
Using diode to drop voltage 12 39736 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1273 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1530 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3240 March 14, 2013
by mongo
Current vs Voltage 8 2235 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2097 March 09, 2013
by lnino
Electric current 2 1326 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3908 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 3951 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3239 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1803 February 24, 2013
by lnino
Relay Question 27 4675 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3903 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2100 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2364 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1866 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1803 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2176 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1770 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2516 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1443 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1528 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1585 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 6258 November 18, 2012
by carlhako
SPI slave clock 6 1860 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1560 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 18206 October 23, 2012
by Noter
NPN circuit connection quandry 4 1959 September 24, 2012
by edb
Simple I/O circuit 4 1625 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1360 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1251 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2975 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1756 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3631 September 13, 2012
by dan_engbers
Electronics simulation 8 2265 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3691 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1651 August 20, 2012
by rblalock
louder sound 2 1463 August 18, 2012
by mongo
connector or cable for LCD display? 4 1581 August 13, 2012
by missle3944
Powering L.E.Ds 5 1711 August 09, 2012
by BobaMosfet
Wires in U.K 5 1841 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1971 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3687 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4168 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2077 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 16962 July 21, 2012
by lnino
um help 6 1470 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1911 July 18, 2012
by Ralphxyz
help me 11 1960 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1523 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2443 June 24, 2012
by Ralphxyz
HELP 3 1433 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 10540 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1447 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2561 June 17, 2012
by RogerFL
Programmable current source 6 2359 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2400 June 11, 2012
by mongo
HELP 6 1606 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1905 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 26858 May 24, 2012
by Ralphxyz
i need a code 8 1991 May 15, 2012
by pcbolt
Clock Accuracy 30 5319 May 14, 2012
by HexManiac
Relays and Controlling them 9 1915 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2232 May 09, 2012
by RogerFL
Powering your NerdKit 7 1799 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1721 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 3319 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1940 April 24, 2012
by pcbolt
Programs will not run 6 1727 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2163 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1895 April 09, 2012
by Ralphxyz
Path Lights controller 2 1687 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1840 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2122 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1907 April 01, 2012
by JamesFysh
Question on LCD screen 5 1746 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1770 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3068 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2355 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 4466 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1926 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2117 March 15, 2012
by mongo
Digital servo issues! 9 2141 March 15, 2012
by Rick_S
Brushless motor control 16 2510 March 12, 2012
by hevans
Windows not detecting device 3 1663 March 10, 2012
by hevans
Voltage throught MCU 5 1650 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 15102 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 6612 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 8509 March 01, 2012
by hevans
Up and running... 3 1482 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1850 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2193 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1672 February 24, 2012
by Rick_S
programming lcd trubs 7 1723 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2311 February 18, 2012
by Rick_S
Oscilloscope 15 3311 February 18, 2012
by Osarus
How far away can a LM34 be? 16 6309 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2838 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1912 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4751 February 09, 2012
by mongo
Data transmission 3 2197 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2175 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3243 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1737 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1501 January 31, 2012
by tchilzer2
H bridge questions 6 1972 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1955 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2127 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2340 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4463 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2077 January 15, 2012
by Rick_S
Source of power? 19 2027 January 13, 2012
by mongo
symbol defined please? 4 2143 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 11331 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1734 January 06, 2012
by boxvic
Basic LED circuit properties 8 1992 January 06, 2012
by boxvic
Getting Started 3 1777 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2487 January 02, 2012
by bodangly
SMD reflow 16 2718 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1845 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2359 December 23, 2011
by BobaMosfet
Potentiometer 8 2440 December 23, 2011
by huzbum
Fun with Op-Amps 3 3244 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2236 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2155 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2124 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1633 November 27, 2011
by sazD
Initial Load 2 2061 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2330 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3201 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2155 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5736 November 10, 2011
by jfbrink
Servo Squitter Project 13 2019 November 09, 2011
by Heed
how do i run a program 4 1657 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1744 November 07, 2011
by Heed
Motor control question 2 1703 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4660 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1877 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1759 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 59141 October 24, 2011
by glendon
Measuring Capacitance 9 3061 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1978 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2936 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 12151 October 16, 2011
by sask55
RxD / TxD Questions 10 3891 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2015 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1948 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1668 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1744 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 6824 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2975 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 19380 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 5137 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1695 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4651 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 7578 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5539 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2135 September 01, 2011
by BobaMosfet
Dim LED 3 1739 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2111 August 23, 2011
by Twarter369
Easy Transistor Question 4 2362 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3452 August 18, 2011
by Ralphxyz
Building a coil?? 12 3384 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2005 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1771 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1525 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1541 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 15564 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2512 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1803 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1902 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1880 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3506 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1734 July 17, 2011
by codenamejupiterx
avr macpack 3 1837 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1966 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1904 July 13, 2011
by BobaMosfet
Battery clip wires 3 1696 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1547 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1684 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1979 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2333 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 11668 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1965 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1842 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3382 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2180 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2145 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1982 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2109 June 06, 2011
by mja
A couple of questions 3 1753 June 06, 2011
by Ralphxyz
How much should I strip? 3 1634 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2193 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1825 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2124 May 29, 2011
by Rick_S
Digital Input Question 4 1871 May 28, 2011
by frankdwest
PCB arrived 20 1887 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2496 May 24, 2011
by gcharris
Calculating bypass capacitor 6 14553 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2440 May 09, 2011
by Noter
IR current 6 2211 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2838 May 04, 2011
by hariharan
Heat sensors 21 3024 May 04, 2011
by Hexorg
error 1 2 1833 May 02, 2011
by hevans
Transistor vs mosfet 13 8837 May 01, 2011
by Noter
PCB trace width calculator 3 3032 April 24, 2011
by esoderberg
OLED display 10 2394 April 23, 2011
by Rick_S
Power Supplies 17 3400 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1770 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2201 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1755 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2294 April 19, 2011
by mongo
Connecting to external control voltages 4 1998 April 19, 2011
by bretm
IR current question 7 1892 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2492 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2403 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2187 April 10, 2011
by uml_12
Basic projects 3 1920 April 09, 2011
by mongo
REFLOW oven 22 4201 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 8283 April 07, 2011
by bretm
unexpected MCU rebooting 82 5743 April 05, 2011
by sask55
REFLOW Soldering 3 2488 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2145 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4160 March 30, 2011
by bretm
Black Display on LCD 6 2119 March 28, 2011
by Druidman
32kHz clock 2 1946 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6681 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 6059 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3442 March 16, 2011
by mongo
LCD problem 3 2060 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2812 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2797 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1991 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3761 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2643 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2808 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8257 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5127 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3274 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5622 February 19, 2011
by Lusitania
My first Impression 6 2164 February 16, 2011
by devinsbusiness
Understanding battery life 3 3326 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3111 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2650 February 05, 2011
by BobaMosfet
High voltage lines 26 3962 February 02, 2011
by mongo
USB 3 1981 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2746 February 02, 2011
by Jalex
Alternating LED circuit 4 2546 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3494 January 31, 2011
by il1019
Affordable oscilloscopes 43 10007 January 27, 2011
by BStory
"And"gate unfinished thought 2 1896 January 27, 2011
by Hexorg
replace MCU? 30 6285 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2507 January 25, 2011
by Ralphxyz
Multimeter! 12 4175 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3192 January 25, 2011
by Jalex
My LED Cube so far 25 7044 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3104 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2469 January 18, 2011
by dgikuljot
Counting 5 1761 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5679 January 17, 2011
by bretm
Programming 5 2465 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2878 January 11, 2011
by Yourself
Begining 7 2551 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3147 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2744 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2022 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2386 January 06, 2011
by Mujda
Data input voltage 6 2698 January 03, 2011
by Rick_S
MOSFET Question 7 2619 December 31, 2010
by Keyster
Transistor as a switch 5 2428 December 29, 2010
by Hexorg
Resistors 5 2935 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7091 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2660 December 28, 2010
by BobaMosfet
Relay ratings 2 2271 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 15594 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2131 December 17, 2010
by mongo
Power Rectifier 7 2431 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3922 December 14, 2010
by danuke
This a decent oscilloscope? 8 2660 December 14, 2010
by danuke
Do resistors in series really add up? 8 3612 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3019 December 09, 2010
by bretm
L293 H-Bridge 15 3586 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3309 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3853 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3015 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3578 November 24, 2010
by BobaMosfet
Op-amp not working 6 3723 November 24, 2010
by BobaMosfet
Python questions 4 3133 November 21, 2010
by tkopriva
CE Amp design 5 2276 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2577 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2271 November 05, 2010
by Mujda
PC4 not working?! 8 2019 November 04, 2010
by hapshetsut
Amplifiers 4 2237 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2981 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3021 October 04, 2010
by Scythium
radio interference from NerdKit 11 2150 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5976 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2748 September 11, 2010
by akajester
QFP and dreadboard 2 2494 September 02, 2010
by bretm
Getting power to the spinning part... 5 2623 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8644 August 30, 2010
by Ralphxyz
morse code decoder 2 2889 August 26, 2010
by jonathan_m
Connecting to Computer 3 2673 August 25, 2010
by awesome
555 astable on breadboard 12 4136 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2230 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2652 August 19, 2010
by hevans
mosfet 3 2202 August 13, 2010
by hevans
Good material on learning electronics. 8 2388 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2055 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3096 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3492 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6121 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3632 July 02, 2010
by mongo
Electro Cardio Gram 4 2928 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2118 June 12, 2010
by Wobbler
Voltage Regulator 20 3541 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3313 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3601 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3433 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2643 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2077 June 06, 2010
by Kafke
TSSOP IC! 4 2509 June 03, 2010
by mrobbins
AVcc 2 2927 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2226 May 31, 2010
by hevans
Cable Driver 2 1972 May 31, 2010
by mongo
Best 9V adapter to use 2 2304 May 28, 2010
by mongo
Unidirectional microphones 5 2552 May 27, 2010
by mongo
Servo question 3 2231 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2604 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2546 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3667 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 6506 May 21, 2010
by hevans
Chinese Solenoid 15 2436 May 10, 2010
by treymd
avrisp mkii circuit 4 3812 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2271 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 6193 May 07, 2010
by rajabalu21
Simple Power Switch 6 2269 May 05, 2010
by avicell
I can haz speed! 3 2434 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3779 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2984 April 21, 2010
by bretm
Help with choosing the right resistor 10 3768 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 5283 April 15, 2010
by bretm
Resistor 4 2006 April 15, 2010
by mongo
MCU digital input pins 3 1906 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2425 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7673 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4073 March 28, 2010
by carlhako
Laptop ground safety question 3 2496 March 27, 2010
by ese
LM34 R-C Damper 5 2882 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2511 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2121 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3887 March 23, 2010
by ese
constant system reset 3 1967 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2510 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3257 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2921 March 17, 2010
by Frozenlock
What is -VS? 6 3809 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3932 March 04, 2010
by treymd
Using MCU to connect two wires 3 2511 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6063 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2275 March 02, 2010
by Solorbob
Deciphering power resistors 11 2612 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2254 March 01, 2010
by nrotstan
Understanding LEDs 16 3976 March 01, 2010
by michaeldallas
What's the part I need? 5 2270 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8605 February 23, 2010
by rajabalu21
Too much power? 14 3018 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3528 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2943 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 8592 February 18, 2010
by Rick_S
Serial port interface circuit 2 3156 February 17, 2010
by mongo
OBDII project 3 2292 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4299 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4373 February 13, 2010
by BobaMosfet
Digital pots 5 2459 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2521 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3552 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3538 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4582 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2662 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4278 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6647 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3176 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2498 December 27, 2009
by jgauthier
Servo Signal Noise 2 2146 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4682 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8588 December 10, 2009
by georgio
Relays and transistors 12 6490 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5480 December 09, 2009
by Rick_S
IR Detector 7 4386 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3088 November 19, 2009
by mikedoug
Debug with lcd 6 3000 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2684 November 15, 2009
by tech20
Understanding output pin characteristics 4 2469 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4221 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2690 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 39163 October 30, 2009
by BobaMosfet
DIY header unit 2 2983 October 10, 2009
by rusirius
Thermostat Logging 6 3874 October 09, 2009
by luke
Understanding transistors 6 4035 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7476 October 07, 2009
by mikedoug
Currant booster 3 2152 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3063 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 8945 August 27, 2009
by hevans
Which LED? 14 2858 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3729 August 07, 2009
by mongo
pull up, pull down resistors 7 14371 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7660 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4509 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4124 July 07, 2009
by sector0
Reset switch for circuit 3 2691 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 26735 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3110 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2766 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2779 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3379 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2662 May 06, 2009
by paulip

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