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Basic Electronics

NerdKits » Forums » Basic Electronics (453 threads, 3939 posts)
Thread Posts Views Last Post
Turn Vac on when tool turns on 7 2055 April 12, 2016
by Ralphxyz
USBasp Help! 3 1649 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3341 May 04, 2015
by mongo
Need to replace Wall Watt 16 964 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1439 April 10, 2015
by Noter
My new 3D Printer 44 15388 April 07, 2015
by Rick_S
AtMega 644 2 1677 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1053 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1222 June 02, 2014
by JKITSON
Automated programming mode? 9 1514 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1359 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1073 January 28, 2014
by lailai
What kind of error is this? 4 1286 January 23, 2014
by Noter
How to double a DC voltage? 20 5559 January 12, 2014
by JKITSON
Is the code the driver? 2 1027 January 12, 2014
by Ralphxyz
Miniature headers 6 1358 January 01, 2014
by Ralphxyz
BLDC 8 1275 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1644 November 26, 2013
by Rick_S
GLCD SPI problems 14 3625 November 10, 2013
by andyi
Moving on... 7 1439 November 08, 2013
by Pr0ject
Power supply questions 4 1706 October 31, 2013
by sask55
OLED 4 1139 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 5529 September 22, 2013
by sask55
Opto Interrupter once again 14 3476 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1275 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 6616 September 02, 2013
by Ralphxyz
USB cable specifications 7 1360 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1487 August 27, 2013
by Affarram
XMEGA Breakout 8 1620 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1066 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1474 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1537 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5520 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 7322 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1186 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1560 April 08, 2013
by pcbolt
Using diode to drop voltage 12 33140 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1032 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1270 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2709 March 14, 2013
by mongo
Current vs Voltage 8 1925 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1766 March 09, 2013
by lnino
Electric current 2 1082 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3538 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 3110 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2748 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1495 February 24, 2013
by lnino
Relay Question 27 4195 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3349 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1713 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2004 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1571 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1516 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1840 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1499 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2222 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1233 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1278 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1296 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 5644 November 18, 2012
by carlhako
SPI slave clock 6 1584 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1290 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 16571 October 23, 2012
by Noter
NPN circuit connection quandry 4 1655 September 24, 2012
by edb
Simple I/O circuit 4 1372 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1098 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1027 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2606 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1476 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3262 September 13, 2012
by dan_engbers
Electronics simulation 8 1919 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3350 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1383 August 20, 2012
by rblalock
louder sound 2 1199 August 18, 2012
by mongo
connector or cable for LCD display? 4 1335 August 13, 2012
by missle3944
Powering L.E.Ds 5 1405 August 09, 2012
by BobaMosfet
Wires in U.K 5 1537 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1654 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3234 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3687 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1791 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 15950 July 21, 2012
by lnino
um help 6 1186 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1583 July 18, 2012
by Ralphxyz
help me 11 1700 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1275 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2065 June 24, 2012
by Ralphxyz
HELP 3 1219 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 9127 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1213 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2229 June 17, 2012
by RogerFL
Programmable current source 6 2017 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2071 June 11, 2012
by mongo
HELP 6 1354 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1628 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 21316 May 24, 2012
by Ralphxyz
i need a code 8 1693 May 15, 2012
by pcbolt
Clock Accuracy 30 4974 May 14, 2012
by HexManiac
Relays and Controlling them 9 1640 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1943 May 09, 2012
by RogerFL
Powering your NerdKit 7 1537 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1450 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2662 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1625 April 24, 2012
by pcbolt
Programs will not run 6 1479 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1870 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1633 April 09, 2012
by Ralphxyz
Path Lights controller 2 1439 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1603 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1811 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1614 April 01, 2012
by JamesFysh
Question on LCD screen 5 1505 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1486 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2816 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2097 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 3530 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1645 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1816 March 15, 2012
by mongo
Digital servo issues! 9 1857 March 15, 2012
by Rick_S
Brushless motor control 16 2234 March 12, 2012
by hevans
Windows not detecting device 3 1392 March 10, 2012
by hevans
Voltage throught MCU 5 1349 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14495 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 5053 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 6720 March 01, 2012
by hevans
Up and running... 3 1247 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1582 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1893 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1441 February 24, 2012
by Rick_S
programming lcd trubs 7 1479 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2038 February 18, 2012
by Rick_S
Oscilloscope 15 2992 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5710 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2565 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1636 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4329 February 09, 2012
by mongo
Data transmission 3 1956 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1878 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2893 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1484 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1278 January 31, 2012
by tchilzer2
H bridge questions 6 1639 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1681 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1852 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2014 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4025 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1801 January 15, 2012
by Rick_S
Source of power? 19 1763 January 13, 2012
by mongo
symbol defined please? 4 1908 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 10339 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1509 January 06, 2012
by boxvic
Basic LED circuit properties 8 1733 January 06, 2012
by boxvic
Getting Started 3 1520 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2146 January 02, 2012
by bodangly
SMD reflow 16 2375 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1564 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2066 December 23, 2011
by BobaMosfet
Potentiometer 8 2150 December 23, 2011
by huzbum
Fun with Op-Amps 3 2835 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1920 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1781 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1821 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1402 November 27, 2011
by sazD
Initial Load 2 1774 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2046 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2828 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1888 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5260 November 10, 2011
by jfbrink
Servo Squitter Project 13 1748 November 09, 2011
by Heed
how do i run a program 4 1440 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1509 November 07, 2011
by Heed
Motor control question 2 1468 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4073 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1646 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1522 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 48264 October 24, 2011
by glendon
Measuring Capacitance 9 2754 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1726 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2591 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 11002 October 16, 2011
by sask55
RxD / TxD Questions 10 3468 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1778 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1707 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1449 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1504 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 6128 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2656 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 18686 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 4158 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1472 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4167 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 6882 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5128 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1862 September 01, 2011
by BobaMosfet
Dim LED 3 1504 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1838 August 23, 2011
by Twarter369
Easy Transistor Question 4 2104 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3071 August 18, 2011
by Ralphxyz
Building a coil?? 12 3047 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1776 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1547 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1311 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1307 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 13169 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2217 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1566 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1666 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1616 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3203 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1509 July 17, 2011
by codenamejupiterx
avr macpack 3 1550 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1716 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1668 July 13, 2011
by BobaMosfet
Battery clip wires 3 1432 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1336 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1377 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1716 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2078 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 9901 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1690 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1602 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3035 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1933 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1859 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1727 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1869 June 06, 2011
by mja
A couple of questions 3 1491 June 06, 2011
by Ralphxyz
How much should I strip? 3 1427 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1940 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1572 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1910 May 29, 2011
by Rick_S
Digital Input Question 4 1612 May 28, 2011
by frankdwest
PCB arrived 20 1666 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2256 May 24, 2011
by gcharris
Calculating bypass capacitor 6 12871 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2182 May 09, 2011
by Noter
IR current 6 1963 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2591 May 04, 2011
by hariharan
Heat sensors 21 2620 May 04, 2011
by Hexorg
error 1 2 1614 May 02, 2011
by hevans
Transistor vs mosfet 13 7991 May 01, 2011
by Noter
PCB trace width calculator 3 2721 April 24, 2011
by esoderberg
OLED display 10 2114 April 23, 2011
by Rick_S
Power Supplies 17 3074 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1478 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1927 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1532 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2014 April 19, 2011
by mongo
Connecting to external control voltages 4 1776 April 19, 2011
by bretm
IR current question 7 1638 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2211 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2123 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1912 April 10, 2011
by uml_12
Basic projects 3 1691 April 09, 2011
by mongo
REFLOW oven 22 3827 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 7290 April 07, 2011
by bretm
unexpected MCU rebooting 82 4955 April 05, 2011
by sask55
REFLOW Soldering 3 2185 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1876 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3836 March 30, 2011
by bretm
Black Display on LCD 6 1860 March 28, 2011
by Druidman
32kHz clock 2 1736 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6177 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5543 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3064 March 16, 2011
by mongo
LCD problem 3 1775 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2548 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2502 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1783 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3339 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2354 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2523 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 7649 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4589 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3004 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5016 February 19, 2011
by Lusitania
My first Impression 6 1909 February 16, 2011
by devinsbusiness
Understanding battery life 3 3019 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2841 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2330 February 05, 2011
by BobaMosfet
High voltage lines 26 3597 February 02, 2011
by mongo
USB 3 1744 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2492 February 02, 2011
by Jalex
Alternating LED circuit 4 2275 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3107 January 31, 2011
by il1019
Affordable oscilloscopes 43 9507 January 27, 2011
by BStory
"And"gate unfinished thought 2 1648 January 27, 2011
by Hexorg
replace MCU? 30 5905 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2242 January 25, 2011
by Ralphxyz
Multimeter! 12 3866 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2907 January 25, 2011
by Jalex
My LED Cube so far 25 6553 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2795 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2183 January 18, 2011
by dgikuljot
Counting 5 1528 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5207 January 17, 2011
by bretm
Programming 5 2188 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2581 January 11, 2011
by Yourself
Begining 7 2259 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2811 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2488 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1752 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2135 January 06, 2011
by Mujda
Data input voltage 6 2423 January 03, 2011
by Rick_S
MOSFET Question 7 2342 December 31, 2010
by Keyster
Transistor as a switch 5 2120 December 29, 2010
by Hexorg
Resistors 5 2642 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6569 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2352 December 28, 2010
by BobaMosfet
Relay ratings 2 1935 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 14830 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1888 December 17, 2010
by mongo
Power Rectifier 7 2148 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3555 December 14, 2010
by danuke
This a decent oscilloscope? 8 2386 December 14, 2010
by danuke
Do resistors in series really add up? 8 3274 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2612 December 09, 2010
by bretm
L293 H-Bridge 15 3217 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3021 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3534 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2703 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3181 November 24, 2010
by BobaMosfet
Op-amp not working 6 3343 November 24, 2010
by BobaMosfet
Python questions 4 2840 November 21, 2010
by tkopriva
CE Amp design 5 1982 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2324 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1983 November 05, 2010
by Mujda
PC4 not working?! 8 1686 November 04, 2010
by hapshetsut
Amplifiers 4 1969 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2669 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2746 October 04, 2010
by Scythium
radio interference from NerdKit 11 1922 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5330 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2475 September 11, 2010
by akajester
QFP and dreadboard 2 2203 September 02, 2010
by bretm
Getting power to the spinning part... 5 2392 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8065 August 30, 2010
by Ralphxyz
morse code decoder 2 2678 August 26, 2010
by jonathan_m
Connecting to Computer 3 2440 August 25, 2010
by awesome
555 astable on breadboard 12 3842 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2002 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2394 August 19, 2010
by hevans
mosfet 3 1978 August 13, 2010
by hevans
Good material on learning electronics. 8 2158 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1813 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2723 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3024 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5698 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3247 July 02, 2010
by mongo
Electro Cardio Gram 4 2669 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1885 June 12, 2010
by Wobbler
Voltage Regulator 20 3220 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3065 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3271 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3164 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2368 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1861 June 06, 2010
by Kafke
TSSOP IC! 4 2277 June 03, 2010
by mrobbins
AVcc 2 2665 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2029 May 31, 2010
by hevans
Cable Driver 2 1768 May 31, 2010
by mongo
Best 9V adapter to use 2 2070 May 28, 2010
by mongo
Unidirectional microphones 5 2311 May 27, 2010
by mongo
Servo question 3 2016 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2338 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2219 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3315 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 5959 May 21, 2010
by hevans
Chinese Solenoid 15 2206 May 10, 2010
by treymd
avrisp mkii circuit 4 3314 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2083 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5504 May 07, 2010
by rajabalu21
Simple Power Switch 6 1995 May 05, 2010
by avicell
I can haz speed! 3 2199 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3409 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2756 April 21, 2010
by bretm
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by Farmerjoecoledge
Electric field in a resistor 6 4621 April 15, 2010
by bretm
Resistor 4 1793 April 15, 2010
by mongo
MCU digital input pins 3 1680 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2225 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7255 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3776 March 28, 2010
by carlhako
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by ese
LM34 R-C Damper 5 2626 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2278 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1907 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3551 March 23, 2010
by ese
constant system reset 3 1752 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2263 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3006 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2663 March 17, 2010
by Frozenlock
What is -VS? 6 3247 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3711 March 04, 2010
by treymd
Using MCU to connect two wires 3 2276 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5597 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2033 March 02, 2010
by Solorbob
Deciphering power resistors 11 2368 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2022 March 01, 2010
by nrotstan
Understanding LEDs 16 3614 March 01, 2010
by michaeldallas
What's the part I need? 5 2005 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8172 February 23, 2010
by rajabalu21
Too much power? 14 2765 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3263 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2631 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 7855 February 18, 2010
by Rick_S
Serial port interface circuit 2 2971 February 17, 2010
by mongo
OBDII project 3 2082 February 17, 2010
by Mike
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by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4029 February 13, 2010
by BobaMosfet
Digital pots 5 2187 January 31, 2010
by sepeters
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by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3302 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3220 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4152 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2435 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3938 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6014 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2932 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2267 December 27, 2009
by jgauthier
Servo Signal Noise 2 1918 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4397 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8147 December 10, 2009
by georgio
Relays and transistors 12 6193 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5077 December 09, 2009
by Rick_S
IR Detector 7 3878 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2865 November 19, 2009
by mikedoug
Debug with lcd 6 2701 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2472 November 15, 2009
by tech20
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by mrobbins
Schematics for LED Heart Project? 12 3971 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2472 November 07, 2009
by rusirius
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Thermostat Logging 6 3477 October 09, 2009
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Understanding transistors 6 3739 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7085 October 07, 2009
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Currant booster 3 1942 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2750 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 7782 August 27, 2009
by hevans
Which LED? 14 2612 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3462 August 07, 2009
by mongo
pull up, pull down resistors 7 14016 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7212 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4204 August 05, 2009
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Power MOSFET - Understanding and headaches 4 3787 July 07, 2009
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Reset switch for circuit 3 2444 June 27, 2009
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Online circuit simulator/intuition builder 2 26116 June 16, 2009
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I don't understand the cap on the MC power supply 12 2789 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2523 June 01, 2009
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wallwart safety? 4 2507 May 31, 2009
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Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3130 May 31, 2009
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Dimming LCD Problem 6 2439 May 06, 2009
by paulip

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