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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 7 551 April 12, 2016
by Ralphxyz
USBasp Help! 3 1493 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3116 May 04, 2015
by mongo
Need to replace Wall Watt 16 804 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1288 April 10, 2015
by Noter
My new 3D Printer 44 15201 April 07, 2015
by Rick_S
AtMega 644 2 1536 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 881 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1077 June 02, 2014
by JKITSON
Automated programming mode? 9 1347 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1234 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 887 January 28, 2014
by lailai
What kind of error is this? 4 1147 January 23, 2014
by Noter
How to double a DC voltage? 20 5118 January 12, 2014
by JKITSON
Is the code the driver? 2 895 January 12, 2014
by Ralphxyz
Miniature headers 6 1187 January 01, 2014
by Ralphxyz
BLDC 8 1112 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1518 November 26, 2013
by Rick_S
GLCD SPI problems 14 3106 November 10, 2013
by andyi
Moving on... 7 1311 November 08, 2013
by Pr0ject
Power supply questions 4 1542 October 31, 2013
by sask55
OLED 4 1033 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 4591 September 22, 2013
by sask55
Opto Interrupter once again 14 3012 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1167 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 5704 September 02, 2013
by Ralphxyz
USB cable specifications 7 1253 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1353 August 27, 2013
by Affarram
XMEGA Breakout 8 1487 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 941 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1332 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1382 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5277 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 6600 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1077 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1416 April 08, 2013
by pcbolt
Using diode to drop voltage 12 28820 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 928 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1164 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2345 March 14, 2013
by mongo
Current vs Voltage 8 1728 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1570 March 09, 2013
by lnino
Electric current 2 984 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3286 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 2662 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2422 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1394 February 24, 2013
by lnino
Relay Question 27 3904 February 19, 2013
by Noter
Rotary Encoder how to?? 21 2979 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1556 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1844 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1449 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1384 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1711 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1393 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2044 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1133 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1137 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1192 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 5186 November 18, 2012
by carlhako
SPI slave clock 6 1461 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1184 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 15587 October 23, 2012
by Noter
NPN circuit connection quandry 4 1541 September 24, 2012
by edb
Simple I/O circuit 4 1269 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1008 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 935 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2423 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1343 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3029 September 13, 2012
by dan_engbers
Electronics simulation 8 1738 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3161 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1284 August 20, 2012
by rblalock
louder sound 2 1100 August 18, 2012
by mongo
connector or cable for LCD display? 4 1234 August 13, 2012
by missle3944
Powering L.E.Ds 5 1306 August 09, 2012
by BobaMosfet
Wires in U.K 5 1404 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1490 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3011 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3362 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1672 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 15097 July 21, 2012
by lnino
um help 6 1069 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1461 July 18, 2012
by Ralphxyz
help me 11 1599 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1169 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1886 June 24, 2012
by Ralphxyz
HELP 3 1122 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 8735 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1111 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2073 June 17, 2012
by RogerFL
Programmable current source 6 1843 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1870 June 11, 2012
by mongo
HELP 6 1253 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1515 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 17870 May 24, 2012
by Ralphxyz
i need a code 8 1586 May 15, 2012
by pcbolt
Clock Accuracy 30 4758 May 14, 2012
by HexManiac
Relays and Controlling them 9 1518 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1819 May 09, 2012
by RogerFL
Powering your NerdKit 7 1425 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1341 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2361 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1516 April 24, 2012
by pcbolt
Programs will not run 6 1380 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1711 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1520 April 09, 2012
by Ralphxyz
Path Lights controller 2 1307 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1464 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1675 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1500 April 01, 2012
by JamesFysh
Question on LCD screen 5 1398 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1381 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2716 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1996 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 3225 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1503 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1647 March 15, 2012
by mongo
Digital servo issues! 9 1741 March 15, 2012
by Rick_S
Brushless motor control 16 2109 March 12, 2012
by hevans
Windows not detecting device 3 1294 March 10, 2012
by hevans
Voltage throught MCU 5 1247 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14044 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 4533 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 5744 March 01, 2012
by hevans
Up and running... 3 1147 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1470 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1789 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1346 February 24, 2012
by Rick_S
programming lcd trubs 7 1377 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1916 February 18, 2012
by Rick_S
Oscilloscope 15 2851 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5381 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2452 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1539 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4117 February 09, 2012
by mongo
Data transmission 3 1863 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1775 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2690 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1380 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1194 January 31, 2012
by tchilzer2
H bridge questions 6 1537 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1576 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1733 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1859 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 3789 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1686 January 15, 2012
by Rick_S
Source of power? 19 1670 January 13, 2012
by mongo
symbol defined please? 4 1797 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 9519 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1416 January 06, 2012
by boxvic
Basic LED circuit properties 8 1633 January 06, 2012
by boxvic
Getting Started 3 1418 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2012 January 02, 2012
by bodangly
SMD reflow 16 2242 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1467 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1919 December 23, 2011
by BobaMosfet
Potentiometer 8 2035 December 23, 2011
by huzbum
Fun with Op-Amps 3 2594 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1796 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1627 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1712 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1302 November 27, 2011
by sazD
Initial Load 2 1665 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1931 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2674 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1786 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4976 November 10, 2011
by jfbrink
Servo Squitter Project 13 1619 November 09, 2011
by Heed
how do i run a program 4 1351 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1426 November 07, 2011
by Heed
Motor control question 2 1384 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 3717 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1558 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1436 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 40935 October 24, 2011
by glendon
Measuring Capacitance 9 2630 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1634 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2440 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 10259 October 16, 2011
by sask55
RxD / TxD Questions 10 3283 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1686 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1618 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1371 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1414 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 5702 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2520 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 18275 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 3517 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1386 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 3892 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 6463 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 4881 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1721 September 01, 2011
by BobaMosfet
Dim LED 3 1414 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1756 August 23, 2011
by Twarter369
Easy Transistor Question 4 2012 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2856 August 18, 2011
by Ralphxyz
Building a coil?? 12 2885 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1688 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1467 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1227 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1230 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 11704 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2122 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1478 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1569 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1519 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3028 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1424 July 17, 2011
by codenamejupiterx
avr macpack 3 1451 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1632 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1577 July 13, 2011
by BobaMosfet
Battery clip wires 3 1348 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1252 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1296 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1622 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1995 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 8941 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1604 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1517 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2903 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1804 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1711 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1647 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1781 June 06, 2011
by mja
A couple of questions 3 1407 June 06, 2011
by Ralphxyz
How much should I strip? 3 1346 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1839 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1488 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1821 May 29, 2011
by Rick_S
Digital Input Question 4 1523 May 28, 2011
by frankdwest
PCB arrived 20 1578 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2128 May 24, 2011
by gcharris
Calculating bypass capacitor 6 11385 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2094 May 09, 2011
by Noter
IR current 6 1883 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2474 May 04, 2011
by hariharan
Heat sensors 21 2455 May 04, 2011
by Hexorg
error 1 2 1529 May 02, 2011
by hevans
Transistor vs mosfet 13 7339 May 01, 2011
by Noter
PCB trace width calculator 3 2616 April 24, 2011
by esoderberg
OLED display 10 2012 April 23, 2011
by Rick_S
Power Supplies 17 2953 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1391 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1838 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1450 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1866 April 19, 2011
by mongo
Connecting to external control voltages 4 1693 April 19, 2011
by bretm
IR current question 7 1554 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2115 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1996 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1822 April 10, 2011
by uml_12
Basic projects 3 1606 April 09, 2011
by mongo
REFLOW oven 22 3633 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 6714 April 07, 2011
by bretm
unexpected MCU rebooting 82 4762 April 05, 2011
by sask55
REFLOW Soldering 3 2066 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1787 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3673 March 30, 2011
by bretm
Black Display on LCD 6 1772 March 28, 2011
by Druidman
32kHz clock 2 1655 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 5883 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5295 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2925 March 16, 2011
by mongo
LCD problem 3 1669 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2441 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2408 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1696 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3149 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2247 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2382 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 7318 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4314 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2920 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 4659 February 19, 2011
by Lusitania
My first Impression 6 1832 February 16, 2011
by devinsbusiness
Understanding battery life 3 2847 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2738 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2200 February 05, 2011
by BobaMosfet
High voltage lines 26 3438 February 02, 2011
by mongo
USB 3 1662 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2358 February 02, 2011
by Jalex
Alternating LED circuit 4 2181 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2922 January 31, 2011
by il1019
Affordable oscilloscopes 43 9211 January 27, 2011
by BStory
"And"gate unfinished thought 2 1562 January 27, 2011
by Hexorg
replace MCU? 30 5701 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2143 January 25, 2011
by Ralphxyz
Multimeter! 12 3757 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2783 January 25, 2011
by Jalex
My LED Cube so far 25 6324 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2667 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2071 January 18, 2011
by dgikuljot
Counting 5 1450 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 4786 January 17, 2011
by bretm
Programming 5 2094 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2485 January 11, 2011
by Yourself
Begining 7 2168 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2669 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2395 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1666 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2039 January 06, 2011
by Mujda
Data input voltage 6 2324 January 03, 2011
by Rick_S
MOSFET Question 7 2250 December 31, 2010
by Keyster
Transistor as a switch 5 2022 December 29, 2010
by Hexorg
Resistors 5 2545 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6245 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2219 December 28, 2010
by BobaMosfet
Relay ratings 2 1849 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 14257 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1803 December 17, 2010
by mongo
Power Rectifier 7 2054 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3344 December 14, 2010
by danuke
This a decent oscilloscope? 8 2284 December 14, 2010
by danuke
Do resistors in series really add up? 8 3116 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2483 December 09, 2010
by bretm
L293 H-Bridge 15 3063 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2899 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3388 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2586 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3013 November 24, 2010
by BobaMosfet
Op-amp not working 6 3171 November 24, 2010
by BobaMosfet
Python questions 4 2745 November 21, 2010
by tkopriva
CE Amp design 5 1880 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2238 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1890 November 05, 2010
by Mujda
PC4 not working?! 8 1562 November 04, 2010
by hapshetsut
Amplifiers 4 1881 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2565 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2651 October 04, 2010
by Scythium
radio interference from NerdKit 11 1838 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 4989 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2380 September 11, 2010
by akajester
QFP and dreadboard 2 2117 September 02, 2010
by bretm
Getting power to the spinning part... 5 2302 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 7542 August 30, 2010
by Ralphxyz
morse code decoder 2 2578 August 26, 2010
by jonathan_m
Connecting to Computer 3 2326 August 25, 2010
by awesome
555 astable on breadboard 12 3699 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1914 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2304 August 19, 2010
by hevans
mosfet 3 1888 August 13, 2010
by hevans
Good material on learning electronics. 8 2060 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1721 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2593 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2749 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5494 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3124 July 02, 2010
by mongo
Electro Cardio Gram 4 2561 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1795 June 12, 2010
by Wobbler
Voltage Regulator 20 3072 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2971 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3128 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3015 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2245 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1762 June 06, 2010
by Kafke
TSSOP IC! 4 2170 June 03, 2010
by mrobbins
AVcc 2 2558 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1945 May 31, 2010
by hevans
Cable Driver 2 1686 May 31, 2010
by mongo
Best 9V adapter to use 2 1990 May 28, 2010
by mongo
Unidirectional microphones 5 2211 May 27, 2010
by mongo
Servo question 3 1928 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2246 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2073 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3124 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 5643 May 21, 2010
by hevans
Chinese Solenoid 15 2111 May 10, 2010
by treymd
avrisp mkii circuit 4 3199 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2001 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5127 May 07, 2010
by rajabalu21
Simple Power Switch 6 1810 May 05, 2010
by avicell
I can haz speed! 3 2089 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3222 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2670 April 21, 2010
by bretm
Help with choosing the right resistor 10 3218 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 4274 April 15, 2010
by bretm
Resistor 4 1704 April 15, 2010
by mongo
MCU digital input pins 3 1593 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2145 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 6965 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3639 March 28, 2010
by carlhako
Laptop ground safety question 3 2172 March 27, 2010
by ese
LM34 R-C Damper 5 2481 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2183 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1813 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3419 March 23, 2010
by ese
constant system reset 3 1666 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2136 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2885 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2574 March 17, 2010
by Frozenlock
What is -VS? 6 2931 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3608 March 04, 2010
by treymd
Using MCU to connect two wires 3 2181 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5308 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1950 March 02, 2010
by Solorbob
Deciphering power resistors 11 2237 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1941 March 01, 2010
by nrotstan
Understanding LEDs 16 3454 March 01, 2010
by michaeldallas
What's the part I need? 5 1920 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 7857 February 23, 2010
by rajabalu21
Too much power? 14 2621 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3168 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2493 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 7372 February 18, 2010
by Rick_S
Serial port interface circuit 2 2888 February 17, 2010
by mongo
OBDII project 3 2002 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 3597 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3901 February 13, 2010
by BobaMosfet
Digital pots 5 2084 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2176 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3188 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3074 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3959 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2315 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3732 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 5610 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2805 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2165 December 27, 2009
by jgauthier
Servo Signal Noise 2 1800 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4238 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 7883 December 10, 2009
by georgio
Relays and transistors 12 6043 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4889 December 09, 2009
by Rick_S
IR Detector 7 3608 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2727 November 19, 2009
by mikedoug
Debug with lcd 6 2549 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2377 November 15, 2009
by tech20
Understanding output pin characteristics 4 2101 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3880 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2383 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 33176 October 30, 2009
by BobaMosfet
DIY header unit 2 2670 October 10, 2009
by rusirius
Thermostat Logging 6 3294 October 09, 2009
by luke
Understanding transistors 6 3647 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6889 October 07, 2009
by mikedoug
Currant booster 3 1870 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2632 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 7299 August 27, 2009
by hevans
Which LED? 14 2528 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3363 August 07, 2009
by mongo
pull up, pull down resistors 7 13825 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 6929 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4086 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3657 July 07, 2009
by sector0
Reset switch for circuit 3 2348 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 25772 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2649 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2423 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2415 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3031 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2356 May 06, 2009
by paulip

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