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Basic Electronics

NerdKits » Forums » Basic Electronics (454 threads, 3944 posts)
Thread Posts Views Last Post
mosfet control during start up 5 646 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 3381 April 12, 2016
by Ralphxyz
USBasp Help! 3 1951 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3770 May 04, 2015
by mongo
Need to replace Wall Watt 16 1316 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1736 April 10, 2015
by Noter
My new 3D Printer 44 15737 April 07, 2015
by Rick_S
AtMega 644 2 1932 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1306 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1516 June 02, 2014
by JKITSON
Automated programming mode? 9 1831 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1620 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1350 January 28, 2014
by lailai
What kind of error is this? 4 1566 January 23, 2014
by Noter
How to double a DC voltage? 20 6153 January 12, 2014
by JKITSON
Is the code the driver? 2 1288 January 12, 2014
by Ralphxyz
Miniature headers 6 1645 January 01, 2014
by Ralphxyz
BLDC 8 1569 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1937 November 26, 2013
by Rick_S
GLCD SPI problems 14 4267 November 10, 2013
by andyi
Moving on... 7 1701 November 08, 2013
by Pr0ject
Power supply questions 4 2044 October 31, 2013
by sask55
OLED 4 1351 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 6817 September 22, 2013
by sask55
Opto Interrupter once again 14 4066 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1487 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 7279 September 02, 2013
by Ralphxyz
USB cable specifications 7 1603 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1788 August 27, 2013
by Affarram
XMEGA Breakout 8 1927 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1321 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1766 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1815 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5953 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 8221 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1402 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1796 April 08, 2013
by pcbolt
Using diode to drop voltage 12 38602 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1242 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1502 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3152 March 14, 2013
by mongo
Current vs Voltage 8 2181 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2048 March 09, 2013
by lnino
Electric current 2 1302 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3857 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 3837 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3175 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1760 February 24, 2013
by lnino
Relay Question 27 4608 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3820 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2038 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2309 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1823 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1764 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2118 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1737 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2475 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1422 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1503 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1541 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 6176 November 18, 2012
by carlhako
SPI slave clock 6 1821 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1525 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 17946 October 23, 2012
by Noter
NPN circuit connection quandry 4 1908 September 24, 2012
by edb
Simple I/O circuit 4 1589 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1317 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1228 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2899 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1723 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3572 September 13, 2012
by dan_engbers
Electronics simulation 8 2213 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3645 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1606 August 20, 2012
by rblalock
louder sound 2 1424 August 18, 2012
by mongo
connector or cable for LCD display? 4 1544 August 13, 2012
by missle3944
Powering L.E.Ds 5 1671 August 09, 2012
by BobaMosfet
Wires in U.K 5 1805 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1931 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3618 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4103 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2029 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 16848 July 21, 2012
by lnino
um help 6 1425 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1855 July 18, 2012
by Ralphxyz
help me 11 1923 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1493 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2386 June 24, 2012
by Ralphxyz
HELP 3 1411 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 10452 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1420 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2517 June 17, 2012
by RogerFL
Programmable current source 6 2304 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2343 June 11, 2012
by mongo
HELP 6 1569 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1865 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 25985 May 24, 2012
by Ralphxyz
i need a code 8 1945 May 15, 2012
by pcbolt
Clock Accuracy 30 5264 May 14, 2012
by HexManiac
Relays and Controlling them 9 1880 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2198 May 09, 2012
by RogerFL
Powering your NerdKit 7 1759 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1684 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 3191 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1895 April 24, 2012
by pcbolt
Programs will not run 6 1690 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2134 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1860 April 09, 2012
by Ralphxyz
Path Lights controller 2 1665 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1816 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2080 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1874 April 01, 2012
by JamesFysh
Question on LCD screen 5 1716 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1730 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3039 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2319 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 4276 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1888 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2070 March 15, 2012
by mongo
Digital servo issues! 9 2106 March 15, 2012
by Rick_S
Brushless motor control 16 2461 March 12, 2012
by hevans
Windows not detecting device 3 1625 March 10, 2012
by hevans
Voltage throught MCU 5 1608 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14985 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 6415 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 8233 March 01, 2012
by hevans
Up and running... 3 1447 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1816 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2142 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1639 February 24, 2012
by Rick_S
programming lcd trubs 7 1692 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2269 February 18, 2012
by Rick_S
Oscilloscope 15 3272 February 18, 2012
by Osarus
How far away can a LM34 be? 16 6232 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2801 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1871 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4690 February 09, 2012
by mongo
Data transmission 3 2169 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2130 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3193 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1701 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1471 January 31, 2012
by tchilzer2
H bridge questions 6 1926 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1921 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2081 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2289 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4384 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2040 January 15, 2012
by Rick_S
Source of power? 19 1980 January 13, 2012
by mongo
symbol defined please? 4 2118 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 11212 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1708 January 06, 2012
by boxvic
Basic LED circuit properties 8 1958 January 06, 2012
by boxvic
Getting Started 3 1745 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2443 January 02, 2012
by bodangly
SMD reflow 16 2670 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1801 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2328 December 23, 2011
by BobaMosfet
Potentiometer 8 2399 December 23, 2011
by huzbum
Fun with Op-Amps 3 3194 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2189 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2111 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2084 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1616 November 27, 2011
by sazD
Initial Load 2 2021 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2297 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3149 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2114 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5659 November 10, 2011
by jfbrink
Servo Squitter Project 13 1987 November 09, 2011
by Heed
how do i run a program 4 1632 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1708 November 07, 2011
by Heed
Motor control question 2 1680 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4587 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1854 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1727 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 57619 October 24, 2011
by glendon
Measuring Capacitance 9 3019 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1950 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2886 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 11953 October 16, 2011
by sask55
RxD / TxD Questions 10 3840 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1992 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1918 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1646 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1709 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 6727 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2930 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 19267 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 5000 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1683 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4576 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 7493 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5483 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2101 September 01, 2011
by BobaMosfet
Dim LED 3 1714 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2075 August 23, 2011
by Twarter369
Easy Transistor Question 4 2326 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3391 August 18, 2011
by Ralphxyz
Building a coil?? 12 3332 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1972 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1746 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1500 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1516 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 15222 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2466 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1775 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1875 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1840 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3459 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1707 July 17, 2011
by codenamejupiterx
avr macpack 3 1804 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1938 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1874 July 13, 2011
by BobaMosfet
Battery clip wires 3 1658 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1524 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1643 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1950 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2296 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 11341 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1929 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1814 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3312 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2155 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2114 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1950 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2080 June 06, 2011
by mja
A couple of questions 3 1716 June 06, 2011
by Ralphxyz
How much should I strip? 3 1615 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2165 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1793 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2107 May 29, 2011
by Rick_S
Digital Input Question 4 1835 May 28, 2011
by frankdwest
PCB arrived 20 1864 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2478 May 24, 2011
by gcharris
Calculating bypass capacitor 6 14279 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2411 May 09, 2011
by Noter
IR current 6 2180 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2801 May 04, 2011
by hariharan
Heat sensors 21 2974 May 04, 2011
by Hexorg
error 1 2 1813 May 02, 2011
by hevans
Transistor vs mosfet 13 8719 May 01, 2011
by Noter
PCB trace width calculator 3 2992 April 24, 2011
by esoderberg
OLED display 10 2361 April 23, 2011
by Rick_S
Power Supplies 17 3343 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1734 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2166 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1738 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2261 April 19, 2011
by mongo
Connecting to external control voltages 4 1973 April 19, 2011
by bretm
IR current question 7 1852 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2450 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2364 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2144 April 10, 2011
by uml_12
Basic projects 3 1897 April 09, 2011
by mongo
REFLOW oven 22 4140 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 8143 April 07, 2011
by bretm
unexpected MCU rebooting 82 5256 April 05, 2011
by sask55
REFLOW Soldering 3 2442 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2114 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4120 March 30, 2011
by bretm
Black Display on LCD 6 2083 March 28, 2011
by Druidman
32kHz clock 2 1928 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6595 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5986 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3400 March 16, 2011
by mongo
LCD problem 3 2020 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2785 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2761 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1971 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3704 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2606 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2769 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8161 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5028 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3237 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5514 February 19, 2011
by Lusitania
My first Impression 6 2130 February 16, 2011
by devinsbusiness
Understanding battery life 3 3293 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3070 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2610 February 05, 2011
by BobaMosfet
High voltage lines 26 3904 February 02, 2011
by mongo
USB 3 1951 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2708 February 02, 2011
by Jalex
Alternating LED circuit 4 2500 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3455 January 31, 2011
by il1019
Affordable oscilloscopes 43 9934 January 27, 2011
by BStory
"And"gate unfinished thought 2 1864 January 27, 2011
by Hexorg
replace MCU? 30 6227 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2459 January 25, 2011
by Ralphxyz
Multimeter! 12 4122 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3138 January 25, 2011
by Jalex
My LED Cube so far 25 6942 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3059 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2422 January 18, 2011
by dgikuljot
Counting 5 1729 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5609 January 17, 2011
by bretm
Programming 5 2425 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2829 January 11, 2011
by Yourself
Begining 7 2510 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3088 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2707 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1986 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2346 January 06, 2011
by Mujda
Data input voltage 6 2657 January 03, 2011
by Rick_S
MOSFET Question 7 2580 December 31, 2010
by Keyster
Transistor as a switch 5 2388 December 29, 2010
by Hexorg
Resistors 5 2887 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7031 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2616 December 28, 2010
by BobaMosfet
Relay ratings 2 2221 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 15484 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2095 December 17, 2010
by mongo
Power Rectifier 7 2388 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3869 December 14, 2010
by danuke
This a decent oscilloscope? 8 2618 December 14, 2010
by danuke
Do resistors in series really add up? 8 3554 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2963 December 09, 2010
by bretm
L293 H-Bridge 15 3527 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3274 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3821 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2973 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3525 November 24, 2010
by BobaMosfet
Op-amp not working 6 3663 November 24, 2010
by BobaMosfet
Python questions 4 3097 November 21, 2010
by tkopriva
CE Amp design 5 2233 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2536 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2229 November 05, 2010
by Mujda
PC4 not working?! 8 1962 November 04, 2010
by hapshetsut
Amplifiers 4 2204 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2922 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2982 October 04, 2010
by Scythium
radio interference from NerdKit 11 2117 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5858 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2717 September 11, 2010
by akajester
QFP and dreadboard 2 2435 September 02, 2010
by bretm
Getting power to the spinning part... 5 2606 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8555 August 30, 2010
by Ralphxyz
morse code decoder 2 2868 August 26, 2010
by jonathan_m
Connecting to Computer 3 2639 August 25, 2010
by awesome
555 astable on breadboard 12 4108 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2208 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2621 August 19, 2010
by hevans
mosfet 3 2176 August 13, 2010
by hevans
Good material on learning electronics. 8 2364 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2030 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3014 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3436 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6043 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3577 July 02, 2010
by mongo
Electro Cardio Gram 4 2903 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2091 June 12, 2010
by Wobbler
Voltage Regulator 20 3494 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3281 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3561 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3392 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2605 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2056 June 06, 2010
by Kafke
TSSOP IC! 4 2477 June 03, 2010
by mrobbins
AVcc 2 2897 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2203 May 31, 2010
by hevans
Cable Driver 2 1952 May 31, 2010
by mongo
Best 9V adapter to use 2 2281 May 28, 2010
by mongo
Unidirectional microphones 5 2514 May 27, 2010
by mongo
Servo question 3 2212 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2574 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2512 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3623 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 6437 May 21, 2010
by hevans
Chinese Solenoid 15 2407 May 10, 2010
by treymd
avrisp mkii circuit 4 3787 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2251 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 6096 May 07, 2010
by rajabalu21
Simple Power Switch 6 2237 May 05, 2010
by avicell
I can haz speed! 3 2406 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3734 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2955 April 21, 2010
by bretm
Help with choosing the right resistor 10 3716 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 5208 April 15, 2010
by bretm
Resistor 4 1978 April 15, 2010
by mongo
MCU digital input pins 3 1881 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2404 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7612 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4029 March 28, 2010
by carlhako
Laptop ground safety question 3 2472 March 27, 2010
by ese
LM34 R-C Damper 5 2854 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2485 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2102 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3858 March 23, 2010
by ese
constant system reset 3 1937 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2488 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3214 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2897 March 17, 2010
by Frozenlock
What is -VS? 6 3733 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3903 March 04, 2010
by treymd
Using MCU to connect two wires 3 2488 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5996 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2245 March 02, 2010
by Solorbob
Deciphering power resistors 11 2576 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2228 March 01, 2010
by nrotstan
Understanding LEDs 16 3924 March 01, 2010
by michaeldallas
What's the part I need? 5 2233 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8539 February 23, 2010
by rajabalu21
Too much power? 14 2982 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3490 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2902 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 8483 February 18, 2010
by Rick_S
Serial port interface circuit 2 3138 February 17, 2010
by mongo
OBDII project 3 2259 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4227 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4321 February 13, 2010
by BobaMosfet
Digital pots 5 2413 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2489 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3525 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3505 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4507 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2635 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4229 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6568 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3136 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2462 December 27, 2009
by jgauthier
Servo Signal Noise 2 2127 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4648 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8536 December 10, 2009
by georgio
Relays and transistors 12 6441 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5429 December 09, 2009
by Rick_S
IR Detector 7 4298 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3048 November 19, 2009
by mikedoug
Debug with lcd 6 2965 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2659 November 15, 2009
by tech20
Understanding output pin characteristics 4 2435 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4192 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2654 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 38605 October 30, 2009
by BobaMosfet
DIY header unit 2 2957 October 10, 2009
by rusirius
Thermostat Logging 6 3817 October 09, 2009
by luke
Understanding transistors 6 3995 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7410 October 07, 2009
by mikedoug
Currant booster 3 2125 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2994 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 8854 August 27, 2009
by hevans
Which LED? 14 2823 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3696 August 07, 2009
by mongo
pull up, pull down resistors 7 14334 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7594 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4460 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4075 July 07, 2009
by sector0
Reset switch for circuit 3 2659 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 26646 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3071 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2731 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2738 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3341 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2635 May 06, 2009
by paulip

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