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Basic Electronics

NerdKits » Forums » Basic Electronics (453 threads, 3939 posts)
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Turn Vac on when tool turns on 7 754 April 12, 2016
by Ralphxyz
USBasp Help! 3 1525 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3161 May 04, 2015
by mongo
Need to replace Wall Watt 16 838 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1321 April 10, 2015
by Noter
My new 3D Printer 44 15241 April 07, 2015
by Rick_S
AtMega 644 2 1564 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 914 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1110 June 02, 2014
by JKITSON
Automated programming mode? 9 1370 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1258 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 921 January 28, 2014
by lailai
What kind of error is this? 4 1176 January 23, 2014
by Noter
How to double a DC voltage? 20 5206 January 12, 2014
by JKITSON
Is the code the driver? 2 920 January 12, 2014
by Ralphxyz
Miniature headers 6 1217 January 01, 2014
by Ralphxyz
BLDC 8 1140 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1543 November 26, 2013
by Rick_S
GLCD SPI problems 14 3199 November 10, 2013
by andyi
Moving on... 7 1332 November 08, 2013
by Pr0ject
Power supply questions 4 1571 October 31, 2013
by sask55
OLED 4 1051 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 4732 September 22, 2013
by sask55
Opto Interrupter once again 14 3091 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1184 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 5798 September 02, 2013
by Ralphxyz
USB cable specifications 7 1267 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1372 August 27, 2013
by Affarram
XMEGA Breakout 8 1511 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 963 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1355 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1409 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5319 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 6747 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1099 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1435 April 08, 2013
by pcbolt
Using diode to drop voltage 12 29426 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 945 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1180 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2397 March 14, 2013
by mongo
Current vs Voltage 8 1763 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1608 March 09, 2013
by lnino
Electric current 2 1001 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3338 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 2726 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2473 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1410 February 24, 2013
by lnino
Relay Question 27 3944 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3040 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1592 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1866 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1471 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1403 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1734 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1412 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2074 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1152 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1158 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1210 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 5264 November 18, 2012
by carlhako
SPI slave clock 6 1478 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1200 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 15743 October 23, 2012
by Noter
NPN circuit connection quandry 4 1556 September 24, 2012
by edb
Simple I/O circuit 4 1286 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1026 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 949 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2448 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1366 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3074 September 13, 2012
by dan_engbers
Electronics simulation 8 1773 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3199 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1299 August 20, 2012
by rblalock
louder sound 2 1113 August 18, 2012
by mongo
connector or cable for LCD display? 4 1247 August 13, 2012
by missle3944
Powering L.E.Ds 5 1321 August 09, 2012
by BobaMosfet
Wires in U.K 5 1427 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1520 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3042 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3416 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1690 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 15247 July 21, 2012
by lnino
um help 6 1089 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1479 July 18, 2012
by Ralphxyz
help me 11 1614 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1184 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1910 June 24, 2012
by Ralphxyz
HELP 3 1136 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 8797 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1127 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2100 June 17, 2012
by RogerFL
Programmable current source 6 1867 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1907 June 11, 2012
by mongo
HELP 6 1266 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1534 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 18333 May 24, 2012
by Ralphxyz
i need a code 8 1599 May 15, 2012
by pcbolt
Clock Accuracy 30 4796 May 14, 2012
by HexManiac
Relays and Controlling them 9 1533 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1843 May 09, 2012
by RogerFL
Powering your NerdKit 7 1442 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1356 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2412 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1532 April 24, 2012
by pcbolt
Programs will not run 6 1396 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1733 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1540 April 09, 2012
by Ralphxyz
Path Lights controller 2 1329 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1486 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1700 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1513 April 01, 2012
by JamesFysh
Question on LCD screen 5 1412 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1400 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2734 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2010 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 3271 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1527 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1683 March 15, 2012
by mongo
Digital servo issues! 9 1759 March 15, 2012
by Rick_S
Brushless motor control 16 2128 March 12, 2012
by hevans
Windows not detecting device 3 1310 March 10, 2012
by hevans
Voltage throught MCU 5 1262 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14115 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 4610 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 5887 March 01, 2012
by hevans
Up and running... 3 1161 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1490 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1807 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1358 February 24, 2012
by Rick_S
programming lcd trubs 7 1392 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1934 February 18, 2012
by Rick_S
Oscilloscope 15 2870 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5435 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2467 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1552 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4146 February 09, 2012
by mongo
Data transmission 3 1875 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1790 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2728 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1395 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1207 January 31, 2012
by tchilzer2
H bridge questions 6 1550 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1595 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1752 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1889 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 3839 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1703 January 15, 2012
by Rick_S
Source of power? 19 1685 January 13, 2012
by mongo
symbol defined please? 4 1819 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 9640 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1429 January 06, 2012
by boxvic
Basic LED circuit properties 8 1653 January 06, 2012
by boxvic
Getting Started 3 1431 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2031 January 02, 2012
by bodangly
SMD reflow 16 2263 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1485 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1942 December 23, 2011
by BobaMosfet
Potentiometer 8 2053 December 23, 2011
by huzbum
Fun with Op-Amps 3 2637 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1812 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1649 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1729 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1318 November 27, 2011
by sazD
Initial Load 2 1685 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1946 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2700 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1805 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5025 November 10, 2011
by jfbrink
Servo Squitter Project 13 1637 November 09, 2011
by Heed
how do i run a program 4 1361 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1439 November 07, 2011
by Heed
Motor control question 2 1398 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 3777 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1570 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1449 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 41911 October 24, 2011
by glendon
Measuring Capacitance 9 2651 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1645 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2458 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 10370 October 16, 2011
by sask55
RxD / TxD Questions 10 3316 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1700 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1634 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1384 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1429 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 5764 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2540 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 18342 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 3596 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1400 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 3932 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 6522 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 4918 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1744 September 01, 2011
by BobaMosfet
Dim LED 3 1423 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1768 August 23, 2011
by Twarter369
Easy Transistor Question 4 2024 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2894 August 18, 2011
by Ralphxyz
Building a coil?? 12 2907 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1706 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1481 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1236 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1246 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 11859 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2141 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1494 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1590 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1535 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3059 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1443 July 17, 2011
by codenamejupiterx
avr macpack 3 1468 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1647 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1591 July 13, 2011
by BobaMosfet
Battery clip wires 3 1363 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1268 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1310 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1643 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2009 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 9093 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1620 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1529 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2923 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1824 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1731 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1659 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1796 June 06, 2011
by mja
A couple of questions 3 1417 June 06, 2011
by Ralphxyz
How much should I strip? 3 1357 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1861 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1503 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1835 May 29, 2011
by Rick_S
Digital Input Question 4 1535 May 28, 2011
by frankdwest
PCB arrived 20 1591 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2144 May 24, 2011
by gcharris
Calculating bypass capacitor 6 11603 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2108 May 09, 2011
by Noter
IR current 6 1893 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2490 May 04, 2011
by hariharan
Heat sensors 21 2483 May 04, 2011
by Hexorg
error 1 2 1543 May 02, 2011
by hevans
Transistor vs mosfet 13 7486 May 01, 2011
by Noter
PCB trace width calculator 3 2626 April 24, 2011
by esoderberg
OLED display 10 2032 April 23, 2011
by Rick_S
Power Supplies 17 2968 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1410 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1849 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1463 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1887 April 19, 2011
by mongo
Connecting to external control voltages 4 1705 April 19, 2011
by bretm
IR current question 7 1560 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2132 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2010 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1833 April 10, 2011
by uml_12
Basic projects 3 1624 April 09, 2011
by mongo
REFLOW oven 22 3673 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 6808 April 07, 2011
by bretm
unexpected MCU rebooting 82 4816 April 05, 2011
by sask55
REFLOW Soldering 3 2088 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1800 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3702 March 30, 2011
by bretm
Black Display on LCD 6 1783 March 28, 2011
by Druidman
32kHz clock 2 1666 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 5930 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5322 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2950 March 16, 2011
by mongo
LCD problem 3 1682 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2458 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2425 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1710 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3174 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2265 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2398 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 7373 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4353 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2936 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 4719 February 19, 2011
by Lusitania
My first Impression 6 1845 February 16, 2011
by devinsbusiness
Understanding battery life 3 2878 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2755 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2221 February 05, 2011
by BobaMosfet
High voltage lines 26 3467 February 02, 2011
by mongo
USB 3 1677 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2379 February 02, 2011
by Jalex
Alternating LED circuit 4 2195 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2957 January 31, 2011
by il1019
Affordable oscilloscopes 43 9257 January 27, 2011
by BStory
"And"gate unfinished thought 2 1575 January 27, 2011
by Hexorg
replace MCU? 30 5726 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2160 January 25, 2011
by Ralphxyz
Multimeter! 12 3775 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2802 January 25, 2011
by Jalex
My LED Cube so far 25 6360 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2683 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2088 January 18, 2011
by dgikuljot
Counting 5 1459 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 4837 January 17, 2011
by bretm
Programming 5 2110 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2500 January 11, 2011
by Yourself
Begining 7 2182 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2695 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2409 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1681 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2058 January 06, 2011
by Mujda
Data input voltage 6 2341 January 03, 2011
by Rick_S
MOSFET Question 7 2261 December 31, 2010
by Keyster
Transistor as a switch 5 2040 December 29, 2010
by Hexorg
Resistors 5 2566 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6308 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2242 December 28, 2010
by BobaMosfet
Relay ratings 2 1863 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 14361 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1815 December 17, 2010
by mongo
Power Rectifier 7 2069 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3374 December 14, 2010
by danuke
This a decent oscilloscope? 8 2304 December 14, 2010
by danuke
Do resistors in series really add up? 8 3138 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2506 December 09, 2010
by bretm
L293 H-Bridge 15 3088 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2916 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3412 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2603 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3040 November 24, 2010
by BobaMosfet
Op-amp not working 6 3201 November 24, 2010
by BobaMosfet
Python questions 4 2763 November 21, 2010
by tkopriva
CE Amp design 5 1898 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2251 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1902 November 05, 2010
by Mujda
PC4 not working?! 8 1582 November 04, 2010
by hapshetsut
Amplifiers 4 1898 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2581 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2672 October 04, 2010
by Scythium
radio interference from NerdKit 11 1852 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5041 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2395 September 11, 2010
by akajester
QFP and dreadboard 2 2133 September 02, 2010
by bretm
Getting power to the spinning part... 5 2318 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 7665 August 30, 2010
by Ralphxyz
morse code decoder 2 2593 August 26, 2010
by jonathan_m
Connecting to Computer 3 2340 August 25, 2010
by awesome
555 astable on breadboard 12 3719 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1929 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2321 August 19, 2010
by hevans
mosfet 3 1904 August 13, 2010
by hevans
Good material on learning electronics. 8 2077 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1736 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2611 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2779 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5531 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3144 July 02, 2010
by mongo
Electro Cardio Gram 4 2579 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1813 June 12, 2010
by Wobbler
Voltage Regulator 20 3091 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2990 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3152 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3037 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2261 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1780 June 06, 2010
by Kafke
TSSOP IC! 4 2184 June 03, 2010
by mrobbins
AVcc 2 2573 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1955 May 31, 2010
by hevans
Cable Driver 2 1697 May 31, 2010
by mongo
Best 9V adapter to use 2 2007 May 28, 2010
by mongo
Unidirectional microphones 5 2229 May 27, 2010
by mongo
Servo question 3 1938 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2265 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2097 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3157 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 5686 May 21, 2010
by hevans
Chinese Solenoid 15 2122 May 10, 2010
by treymd
avrisp mkii circuit 4 3213 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2014 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5200 May 07, 2010
by rajabalu21
Simple Power Switch 6 1837 May 05, 2010
by avicell
I can haz speed! 3 2108 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3258 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2686 April 21, 2010
by bretm
Help with choosing the right resistor 10 3245 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 4322 April 15, 2010
by bretm
Resistor 4 1719 April 15, 2010
by mongo
MCU digital input pins 3 1604 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2157 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7005 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3660 March 28, 2010
by carlhako
Laptop ground safety question 3 2188 March 27, 2010
by ese
LM34 R-C Damper 5 2501 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2202 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1827 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3447 March 23, 2010
by ese
constant system reset 3 1681 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2161 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2901 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2591 March 17, 2010
by Frozenlock
What is -VS? 6 2970 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3628 March 04, 2010
by treymd
Using MCU to connect two wires 3 2198 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5352 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1962 March 02, 2010
by Solorbob
Deciphering power resistors 11 2264 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1953 March 01, 2010
by nrotstan
Understanding LEDs 16 3480 March 01, 2010
by michaeldallas
What's the part I need? 5 1937 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 7918 February 23, 2010
by rajabalu21
Too much power? 14 2648 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3183 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2527 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 7447 February 18, 2010
by Rick_S
Serial port interface circuit 2 2905 February 17, 2010
by mongo
OBDII project 3 2016 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 3629 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3923 February 13, 2010
by BobaMosfet
Digital pots 5 2105 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2191 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3209 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3089 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3993 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2332 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3770 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 5665 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2827 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2180 December 27, 2009
by jgauthier
Servo Signal Noise 2 1820 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4266 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 7924 December 10, 2009
by georgio
Relays and transistors 12 6062 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4915 December 09, 2009
by Rick_S
IR Detector 7 3647 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2754 November 19, 2009
by mikedoug
Debug with lcd 6 2582 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2393 November 15, 2009
by tech20
Understanding output pin characteristics 4 2122 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3896 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2399 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 33553 October 30, 2009
by BobaMosfet
DIY header unit 2 2684 October 10, 2009
by rusirius
Thermostat Logging 6 3329 October 09, 2009
by luke
Understanding transistors 6 3667 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6923 October 07, 2009
by mikedoug
Currant booster 3 1882 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2654 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 7373 August 27, 2009
by hevans
Which LED? 14 2542 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3376 August 07, 2009
by mongo
pull up, pull down resistors 7 13851 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 6979 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4104 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3679 July 07, 2009
by sector0
Reset switch for circuit 3 2360 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 25827 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2672 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2444 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2431 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3046 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2368 May 06, 2009
by paulip

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