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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3943 posts)
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mosfet control during start up 4 86 1 day, 22 hours ago
by esoderberg
Turn Vac on when tool turns on 7 3294 April 12, 2016
by Ralphxyz
USBasp Help! 3 1849 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3667 May 04, 2015
by mongo
Need to replace Wall Watt 16 1215 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1649 April 10, 2015
by Noter
My new 3D Printer 44 15639 April 07, 2015
by Rick_S
AtMega 644 2 1860 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1249 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1439 June 02, 2014
by JKITSON
Automated programming mode? 9 1743 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1554 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1273 January 28, 2014
by lailai
What kind of error is this? 4 1486 January 23, 2014
by Noter
How to double a DC voltage? 20 6022 January 12, 2014
by JKITSON
Is the code the driver? 2 1215 January 12, 2014
by Ralphxyz
Miniature headers 6 1578 January 01, 2014
by Ralphxyz
BLDC 8 1477 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1850 November 26, 2013
by Rick_S
GLCD SPI problems 14 4116 November 10, 2013
by andyi
Moving on... 7 1645 November 08, 2013
by Pr0ject
Power supply questions 4 1964 October 31, 2013
by sask55
OLED 4 1283 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 6503 September 22, 2013
by sask55
Opto Interrupter once again 14 3918 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1430 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 7131 September 02, 2013
by Ralphxyz
USB cable specifications 7 1526 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1712 August 27, 2013
by Affarram
XMEGA Breakout 8 1848 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1253 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1686 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1735 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5858 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 8025 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1342 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1732 April 08, 2013
by pcbolt
Using diode to drop voltage 12 37412 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1177 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1434 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3043 March 14, 2013
by mongo
Current vs Voltage 8 2103 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1974 March 09, 2013
by lnino
Electric current 2 1238 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3774 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 3656 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3091 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1687 February 24, 2013
by lnino
Relay Question 27 4512 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3716 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1949 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2223 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1754 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1698 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2038 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1675 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2408 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1373 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1456 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1464 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 6042 November 18, 2012
by carlhako
SPI slave clock 6 1754 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1458 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 17628 October 23, 2012
by Noter
NPN circuit connection quandry 4 1834 September 24, 2012
by edb
Simple I/O circuit 4 1518 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1246 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1181 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2814 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1653 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3500 September 13, 2012
by dan_engbers
Electronics simulation 8 2141 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3573 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1547 August 20, 2012
by rblalock
louder sound 2 1354 August 18, 2012
by mongo
connector or cable for LCD display? 4 1486 August 13, 2012
by missle3944
Powering L.E.Ds 5 1597 August 09, 2012
by BobaMosfet
Wires in U.K 5 1731 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1861 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3502 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4004 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1958 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 16609 July 21, 2012
by lnino
um help 6 1351 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1776 July 18, 2012
by Ralphxyz
help me 11 1856 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1427 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2302 June 24, 2012
by Ralphxyz
HELP 3 1367 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 9970 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1368 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2432 June 17, 2012
by RogerFL
Programmable current source 6 2215 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2261 June 11, 2012
by mongo
HELP 6 1511 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1803 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 24904 May 24, 2012
by Ralphxyz
i need a code 8 1867 May 15, 2012
by pcbolt
Clock Accuracy 30 5188 May 14, 2012
by HexManiac
Relays and Controlling them 9 1811 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2131 May 09, 2012
by RogerFL
Powering your NerdKit 7 1696 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1626 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 3037 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1826 April 24, 2012
by pcbolt
Programs will not run 6 1629 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2066 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1805 April 09, 2012
by Ralphxyz
Path Lights controller 2 1608 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1762 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2009 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1812 April 01, 2012
by JamesFysh
Question on LCD screen 5 1671 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1662 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2981 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2254 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 4079 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1826 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1996 March 15, 2012
by mongo
Digital servo issues! 9 2044 March 15, 2012
by Rick_S
Brushless motor control 16 2387 March 12, 2012
by hevans
Windows not detecting device 3 1553 March 10, 2012
by hevans
Voltage throught MCU 5 1535 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14855 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 6196 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 7888 March 01, 2012
by hevans
Up and running... 3 1391 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1751 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2062 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1587 February 24, 2012
by Rick_S
programming lcd trubs 7 1633 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2204 February 18, 2012
by Rick_S
Oscilloscope 15 3192 February 18, 2012
by Osarus
How far away can a LM34 be? 16 6114 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2726 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1800 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4588 February 09, 2012
by mongo
Data transmission 3 2109 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2055 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3113 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1634 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1411 January 31, 2012
by tchilzer2
H bridge questions 6 1852 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1856 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2012 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2210 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4283 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1969 January 15, 2012
by Rick_S
Source of power? 19 1904 January 13, 2012
by mongo
symbol defined please? 4 2064 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 11013 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1654 January 06, 2012
by boxvic
Basic LED circuit properties 8 1894 January 06, 2012
by boxvic
Getting Started 3 1675 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2367 January 02, 2012
by bodangly
SMD reflow 16 2593 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1726 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2250 December 23, 2011
by BobaMosfet
Potentiometer 8 2318 December 23, 2011
by huzbum
Fun with Op-Amps 3 3096 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2112 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2021 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2003 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1557 November 27, 2011
by sazD
Initial Load 2 1941 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2238 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3053 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2047 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5552 November 10, 2011
by jfbrink
Servo Squitter Project 13 1918 November 09, 2011
by Heed
how do i run a program 4 1577 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1641 November 07, 2011
by Heed
Motor control question 2 1621 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4465 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1797 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1657 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 55722 October 24, 2011
by glendon
Measuring Capacitance 9 2933 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1881 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2810 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 11727 October 16, 2011
by sask55
RxD / TxD Questions 10 3748 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1925 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1851 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1596 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1655 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 6535 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2851 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 19119 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 4836 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1632 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4467 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 7351 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5399 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2042 September 01, 2011
by BobaMosfet
Dim LED 3 1652 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2004 August 23, 2011
by Twarter369
Easy Transistor Question 4 2256 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3310 August 18, 2011
by Ralphxyz
Building a coil?? 12 3254 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1916 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1688 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1448 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1460 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 14898 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2390 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1720 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1812 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1764 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3397 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1651 July 17, 2011
by codenamejupiterx
avr macpack 3 1729 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1874 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1815 July 13, 2011
by BobaMosfet
Battery clip wires 3 1587 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1470 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1563 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1878 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2235 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 10978 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1855 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1758 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3212 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2092 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2058 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1887 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2019 June 06, 2011
by mja
A couple of questions 3 1652 June 06, 2011
by Ralphxyz
How much should I strip? 3 1556 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2100 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1712 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2055 May 29, 2011
by Rick_S
Digital Input Question 4 1761 May 28, 2011
by frankdwest
PCB arrived 20 1799 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2422 May 24, 2011
by gcharris
Calculating bypass capacitor 6 13961 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2349 May 09, 2011
by Noter
IR current 6 2121 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2730 May 04, 2011
by hariharan
Heat sensors 21 2893 May 04, 2011
by Hexorg
error 1 2 1769 May 02, 2011
by hevans
Transistor vs mosfet 13 8548 May 01, 2011
by Noter
PCB trace width calculator 3 2918 April 24, 2011
by esoderberg
OLED display 10 2274 April 23, 2011
by Rick_S
Power Supplies 17 3259 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1671 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2091 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1682 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2188 April 19, 2011
by mongo
Connecting to external control voltages 4 1918 April 19, 2011
by bretm
IR current question 7 1788 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2374 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2300 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2078 April 10, 2011
by uml_12
Basic projects 3 1841 April 09, 2011
by mongo
REFLOW oven 22 4044 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 7941 April 07, 2011
by bretm
unexpected MCU rebooting 82 5175 April 05, 2011
by sask55
REFLOW Soldering 3 2362 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2044 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4033 March 30, 2011
by bretm
Black Display on LCD 6 2007 March 28, 2011
by Druidman
32kHz clock 2 1875 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6489 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5861 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3309 March 16, 2011
by mongo
LCD problem 3 1955 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2714 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2687 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1923 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3610 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2519 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2699 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8006 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4885 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3174 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5380 February 19, 2011
by Lusitania
My first Impression 6 2060 February 16, 2011
by devinsbusiness
Understanding battery life 3 3233 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3004 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2535 February 05, 2011
by BobaMosfet
High voltage lines 26 3806 February 02, 2011
by mongo
USB 3 1894 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2659 February 02, 2011
by Jalex
Alternating LED circuit 4 2430 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3376 January 31, 2011
by il1019
Affordable oscilloscopes 43 9823 January 27, 2011
by BStory
"And"gate unfinished thought 2 1805 January 27, 2011
by Hexorg
replace MCU? 30 6145 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2394 January 25, 2011
by Ralphxyz
Multimeter! 12 4044 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3064 January 25, 2011
by Jalex
My LED Cube so far 25 6823 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2994 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2348 January 18, 2011
by dgikuljot
Counting 5 1658 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5500 January 17, 2011
by bretm
Programming 5 2359 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2753 January 11, 2011
by Yourself
Begining 7 2431 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3001 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2641 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1916 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2289 January 06, 2011
by Mujda
Data input voltage 6 2580 January 03, 2011
by Rick_S
MOSFET Question 7 2510 December 31, 2010
by Keyster
Transistor as a switch 5 2306 December 29, 2010
by Hexorg
Resistors 5 2809 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6923 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2533 December 28, 2010
by BobaMosfet
Relay ratings 2 2135 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 15328 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2035 December 17, 2010
by mongo
Power Rectifier 7 2313 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3781 December 14, 2010
by danuke
This a decent oscilloscope? 8 2554 December 14, 2010
by danuke
Do resistors in series really add up? 8 3469 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2860 December 09, 2010
by bretm
L293 H-Bridge 15 3422 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3207 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3748 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2893 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3428 November 24, 2010
by BobaMosfet
Op-amp not working 6 3571 November 24, 2010
by BobaMosfet
Python questions 4 3020 November 21, 2010
by tkopriva
CE Amp design 5 2158 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2474 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2149 November 05, 2010
by Mujda
PC4 not working?! 8 1873 November 04, 2010
by hapshetsut
Amplifiers 4 2137 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2846 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2918 October 04, 2010
by Scythium
radio interference from NerdKit 11 2063 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5745 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2649 September 11, 2010
by akajester
QFP and dreadboard 2 2370 September 02, 2010
by bretm
Getting power to the spinning part... 5 2550 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8449 August 30, 2010
by Ralphxyz
morse code decoder 2 2817 August 26, 2010
by jonathan_m
Connecting to Computer 3 2583 August 25, 2010
by awesome
555 astable on breadboard 12 4051 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2163 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2557 August 19, 2010
by hevans
mosfet 3 2127 August 13, 2010
by hevans
Good material on learning electronics. 8 2301 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1975 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2929 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3362 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5945 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3491 July 02, 2010
by mongo
Electro Cardio Gram 4 2832 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2041 June 12, 2010
by Wobbler
Voltage Regulator 20 3416 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3229 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3477 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3331 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2549 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2003 June 06, 2010
by Kafke
TSSOP IC! 4 2420 June 03, 2010
by mrobbins
AVcc 2 2838 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2160 May 31, 2010
by hevans
Cable Driver 2 1906 May 31, 2010
by mongo
Best 9V adapter to use 2 2225 May 28, 2010
by mongo
Unidirectional microphones 5 2455 May 27, 2010
by mongo
Servo question 3 2161 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2520 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2455 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3528 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 6328 May 21, 2010
by hevans
Chinese Solenoid 15 2357 May 10, 2010
by treymd
avrisp mkii circuit 4 3732 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2203 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5952 May 07, 2010
by rajabalu21
Simple Power Switch 6 2177 May 05, 2010
by avicell
I can haz speed! 3 2357 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3653 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2902 April 21, 2010
by bretm
Help with choosing the right resistor 10 3632 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 5091 April 15, 2010
by bretm
Resistor 4 1932 April 15, 2010
by mongo
MCU digital input pins 3 1829 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2354 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7519 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3947 March 28, 2010
by carlhako
Laptop ground safety question 3 2418 March 27, 2010
by ese
LM34 R-C Damper 5 2784 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2433 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2057 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3784 March 23, 2010
by ese
constant system reset 3 1881 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2438 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3151 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2842 March 17, 2010
by Frozenlock
What is -VS? 6 3613 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3847 March 04, 2010
by treymd
Using MCU to connect two wires 3 2435 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5884 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2179 March 02, 2010
by Solorbob
Deciphering power resistors 11 2527 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2174 March 01, 2010
by nrotstan
Understanding LEDs 16 3853 March 01, 2010
by michaeldallas
What's the part I need? 5 2166 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8445 February 23, 2010
by rajabalu21
Too much power? 14 2919 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3425 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2829 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 8350 February 18, 2010
by Rick_S
Serial port interface circuit 2 3088 February 17, 2010
by mongo
OBDII project 3 2207 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4151 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4236 February 13, 2010
by BobaMosfet
Digital pots 5 2336 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2420 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3462 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3434 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4416 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2577 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4144 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6445 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3081 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2409 December 27, 2009
by jgauthier
Servo Signal Noise 2 2070 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4588 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8448 December 10, 2009
by georgio
Relays and transistors 12 6370 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5330 December 09, 2009
by Rick_S
IR Detector 7 4202 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2992 November 19, 2009
by mikedoug
Debug with lcd 6 2902 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2613 November 15, 2009
by tech20
Understanding output pin characteristics 4 2379 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4122 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2596 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 38027 October 30, 2009
by BobaMosfet
DIY header unit 2 2911 October 10, 2009
by rusirius
Thermostat Logging 6 3722 October 09, 2009
by luke
Understanding transistors 6 3922 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7313 October 07, 2009
by mikedoug
Currant booster 3 2077 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2917 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 8736 August 27, 2009
by hevans
Which LED? 14 2760 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3622 August 07, 2009
by mongo
pull up, pull down resistors 7 14262 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7495 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4379 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3996 July 07, 2009
by sector0
Reset switch for circuit 3 2609 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 26527 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2992 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2670 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2671 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3279 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2575 May 06, 2009
by paulip

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