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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 2914 April 12, 2016
by Ralphxyz
USBasp Help! 3 1764 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3532 May 04, 2015
by mongo
Need to replace Wall Watt 16 1100 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1559 April 10, 2015
by Noter
My new 3D Printer 44 15526 April 07, 2015
by Rick_S
AtMega 644 2 1777 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1160 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1338 June 02, 2014
by JKITSON
Automated programming mode? 9 1647 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1467 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1188 January 28, 2014
by lailai
What kind of error is this? 4 1400 January 23, 2014
by Noter
How to double a DC voltage? 20 5845 January 12, 2014
by JKITSON
Is the code the driver? 2 1125 January 12, 2014
by Ralphxyz
Miniature headers 6 1489 January 01, 2014
by Ralphxyz
BLDC 8 1394 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1771 November 26, 2013
by Rick_S
GLCD SPI problems 14 3962 November 10, 2013
by andyi
Moving on... 7 1560 November 08, 2013
by Pr0ject
Power supply questions 4 1851 October 31, 2013
by sask55
OLED 4 1215 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 6200 September 22, 2013
by sask55
Opto Interrupter once again 14 3740 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1356 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 6930 September 02, 2013
by Ralphxyz
USB cable specifications 7 1448 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1613 August 27, 2013
by Affarram
XMEGA Breakout 8 1743 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1172 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1592 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1646 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5708 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 7751 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1260 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1651 April 08, 2013
by pcbolt
Using diode to drop voltage 12 36072 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1105 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1356 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2916 March 14, 2013
by mongo
Current vs Voltage 8 2020 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1884 March 09, 2013
by lnino
Electric current 2 1158 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3688 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 3490 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2981 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1589 February 24, 2013
by lnino
Relay Question 27 4369 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3574 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1841 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2123 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1680 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1618 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1949 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1599 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2328 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1312 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1384 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1384 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 5906 November 18, 2012
by carlhako
SPI slave clock 6 1679 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1380 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 17294 October 23, 2012
by Noter
NPN circuit connection quandry 4 1753 September 24, 2012
by edb
Simple I/O circuit 4 1447 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1175 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1108 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2731 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1573 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3408 September 13, 2012
by dan_engbers
Electronics simulation 8 2050 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3480 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1479 August 20, 2012
by rblalock
louder sound 2 1278 August 18, 2012
by mongo
connector or cable for LCD display? 4 1407 August 13, 2012
by missle3944
Powering L.E.Ds 5 1513 August 09, 2012
by BobaMosfet
Wires in U.K 5 1642 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1788 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3384 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3893 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1873 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 16389 July 21, 2012
by lnino
um help 6 1275 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1682 July 18, 2012
by Ralphxyz
help me 11 1781 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1354 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2213 June 24, 2012
by Ralphxyz
HELP 3 1295 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 9402 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1290 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2343 June 17, 2012
by RogerFL
Programmable current source 6 2137 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2170 June 11, 2012
by mongo
HELP 6 1441 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1719 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 23796 May 24, 2012
by Ralphxyz
i need a code 8 1797 May 15, 2012
by pcbolt
Clock Accuracy 30 5105 May 14, 2012
by HexManiac
Relays and Controlling them 9 1740 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2047 May 09, 2012
by RogerFL
Powering your NerdKit 7 1635 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1550 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2899 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1723 April 24, 2012
by pcbolt
Programs will not run 6 1559 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1983 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1726 April 09, 2012
by Ralphxyz
Path Lights controller 2 1539 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1693 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1925 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1727 April 01, 2012
by JamesFysh
Question on LCD screen 5 1593 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1582 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2910 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2179 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 3875 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1745 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1915 March 15, 2012
by mongo
Digital servo issues! 9 1950 March 15, 2012
by Rick_S
Brushless motor control 16 2327 March 12, 2012
by hevans
Windows not detecting device 3 1477 March 10, 2012
by hevans
Voltage throught MCU 5 1457 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14702 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 5940 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 7476 March 01, 2012
by hevans
Up and running... 3 1322 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1669 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1986 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1512 February 24, 2012
by Rick_S
programming lcd trubs 7 1557 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2134 February 18, 2012
by Rick_S
Oscilloscope 15 3098 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5971 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2649 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1721 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4478 February 09, 2012
by mongo
Data transmission 3 2032 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1967 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3024 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1563 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1346 January 31, 2012
by tchilzer2
H bridge questions 6 1751 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1783 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1937 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2127 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4178 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1885 January 15, 2012
by Rick_S
Source of power? 19 1846 January 13, 2012
by mongo
symbol defined please? 4 1989 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 10784 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1586 January 06, 2012
by boxvic
Basic LED circuit properties 8 1823 January 06, 2012
by boxvic
Getting Started 3 1597 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2266 January 02, 2012
by bodangly
SMD reflow 16 2501 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1651 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2169 December 23, 2011
by BobaMosfet
Potentiometer 8 2240 December 23, 2011
by huzbum
Fun with Op-Amps 3 2999 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2025 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1918 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1921 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1488 November 27, 2011
by sazD
Initial Load 2 1861 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2147 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2958 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1970 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5431 November 10, 2011
by jfbrink
Servo Squitter Project 13 1844 November 09, 2011
by Heed
how do i run a program 4 1511 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1578 November 07, 2011
by Heed
Motor control question 2 1538 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4320 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1726 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1588 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 53358 October 24, 2011
by glendon
Measuring Capacitance 9 2847 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1811 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2718 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 11467 October 16, 2011
by sask55
RxD / TxD Questions 10 3607 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1858 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1784 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1520 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1580 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 6373 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2771 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 18945 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 4608 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1561 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4353 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 7206 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5299 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1962 September 01, 2011
by BobaMosfet
Dim LED 3 1583 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1929 August 23, 2011
by Twarter369
Easy Transistor Question 4 2189 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3215 August 18, 2011
by Ralphxyz
Building a coil?? 12 3165 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1851 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1628 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1387 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1382 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 14280 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2308 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1646 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1734 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1696 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3317 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1582 July 17, 2011
by codenamejupiterx
avr macpack 3 1645 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1805 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1744 July 13, 2011
by BobaMosfet
Battery clip wires 3 1504 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1406 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1476 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1801 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2159 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 10605 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1759 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1691 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3133 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2013 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1984 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1803 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1946 June 06, 2011
by mja
A couple of questions 3 1580 June 06, 2011
by Ralphxyz
How much should I strip? 3 1493 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2030 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1648 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1987 May 29, 2011
by Rick_S
Digital Input Question 4 1689 May 28, 2011
by frankdwest
PCB arrived 20 1725 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2348 May 24, 2011
by gcharris
Calculating bypass capacitor 6 13604 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2270 May 09, 2011
by Noter
IR current 6 2039 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2665 May 04, 2011
by hariharan
Heat sensors 21 2800 May 04, 2011
by Hexorg
error 1 2 1696 May 02, 2011
by hevans
Transistor vs mosfet 13 8342 May 01, 2011
by Noter
PCB trace width calculator 3 2829 April 24, 2011
by esoderberg
OLED display 10 2203 April 23, 2011
by Rick_S
Power Supplies 17 3177 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1587 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2005 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1609 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2116 April 19, 2011
by mongo
Connecting to external control voltages 4 1845 April 19, 2011
by bretm
IR current question 7 1716 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2301 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2222 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1993 April 10, 2011
by uml_12
Basic projects 3 1767 April 09, 2011
by mongo
REFLOW oven 22 3945 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 7730 April 07, 2011
by bretm
unexpected MCU rebooting 82 5093 April 05, 2011
by sask55
REFLOW Soldering 3 2286 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1963 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3950 March 30, 2011
by bretm
Black Display on LCD 6 1936 March 28, 2011
by Druidman
32kHz clock 2 1808 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6366 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5733 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3206 March 16, 2011
by mongo
LCD problem 3 1869 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2628 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2603 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1855 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3498 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2441 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2625 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 7873 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4754 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3092 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5240 February 19, 2011
by Lusitania
My first Impression 6 1986 February 16, 2011
by devinsbusiness
Understanding battery life 3 3148 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2923 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2461 February 05, 2011
by BobaMosfet
High voltage lines 26 3690 February 02, 2011
by mongo
USB 3 1819 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2588 February 02, 2011
by Jalex
Alternating LED circuit 4 2356 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3270 January 31, 2011
by il1019
Affordable oscilloscopes 43 9698 January 27, 2011
by BStory
"And"gate unfinished thought 2 1726 January 27, 2011
by Hexorg
replace MCU? 30 6046 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2319 January 25, 2011
by Ralphxyz
Multimeter! 12 3963 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2989 January 25, 2011
by Jalex
My LED Cube so far 25 6702 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2904 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2273 January 18, 2011
by dgikuljot
Counting 5 1593 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5381 January 17, 2011
by bretm
Programming 5 2281 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2666 January 11, 2011
by Yourself
Begining 7 2347 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2909 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2569 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1842 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2214 January 06, 2011
by Mujda
Data input voltage 6 2503 January 03, 2011
by Rick_S
MOSFET Question 7 2427 December 31, 2010
by Keyster
Transistor as a switch 5 2213 December 29, 2010
by Hexorg
Resistors 5 2735 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6789 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2459 December 28, 2010
by BobaMosfet
Relay ratings 2 2027 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 15152 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1963 December 17, 2010
by mongo
Power Rectifier 7 2233 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3685 December 14, 2010
by danuke
This a decent oscilloscope? 8 2475 December 14, 2010
by danuke
Do resistors in series really add up? 8 3387 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2754 December 09, 2010
by bretm
L293 H-Bridge 15 3323 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3112 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3666 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2802 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3325 November 24, 2010
by BobaMosfet
Op-amp not working 6 3468 November 24, 2010
by BobaMosfet
Python questions 4 2932 November 21, 2010
by tkopriva
CE Amp design 5 2076 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2393 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2072 November 05, 2010
by Mujda
PC4 not working?! 8 1791 November 04, 2010
by hapshetsut
Amplifiers 4 2054 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2760 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2838 October 04, 2010
by Scythium
radio interference from NerdKit 11 2000 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5566 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2573 September 11, 2010
by akajester
QFP and dreadboard 2 2294 September 02, 2010
by bretm
Getting power to the spinning part... 5 2471 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8304 August 30, 2010
by Ralphxyz
morse code decoder 2 2751 August 26, 2010
by jonathan_m
Connecting to Computer 3 2519 August 25, 2010
by awesome
555 astable on breadboard 12 3955 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2088 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2478 August 19, 2010
by hevans
mosfet 3 2055 August 13, 2010
by hevans
Good material on learning electronics. 8 2238 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1887 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2851 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3228 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5847 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3397 July 02, 2010
by mongo
Electro Cardio Gram 4 2759 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1974 June 12, 2010
by Wobbler
Voltage Regulator 20 3338 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3159 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3393 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3258 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2467 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1943 June 06, 2010
by Kafke
TSSOP IC! 4 2361 June 03, 2010
by mrobbins
AVcc 2 2756 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2091 May 31, 2010
by hevans
Cable Driver 2 1838 May 31, 2010
by mongo
Best 9V adapter to use 2 2154 May 28, 2010
by mongo
Unidirectional microphones 5 2381 May 27, 2010
by mongo
Servo question 3 2099 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2430 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2378 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3433 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 6186 May 21, 2010
by hevans
Chinese Solenoid 15 2280 May 10, 2010
by treymd
avrisp mkii circuit 4 3405 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2145 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5798 May 07, 2010
by rajabalu21
Simple Power Switch 6 2108 May 05, 2010
by avicell
I can haz speed! 3 2287 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3554 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2836 April 21, 2010
by bretm
Help with choosing the right resistor 10 3532 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 4893 April 15, 2010
by bretm
Resistor 4 1868 April 15, 2010
by mongo
MCU digital input pins 3 1767 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2284 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7415 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3866 March 28, 2010
by carlhako
Laptop ground safety question 3 2339 March 27, 2010
by ese
LM34 R-C Damper 5 2716 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2360 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1983 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3661 March 23, 2010
by ese
constant system reset 3 1818 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2364 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3096 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2755 March 17, 2010
by Frozenlock
What is -VS? 6 3446 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3784 March 04, 2010
by treymd
Using MCU to connect two wires 3 2362 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5764 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2110 March 02, 2010
by Solorbob
Deciphering power resistors 11 2459 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2107 March 01, 2010
by nrotstan
Understanding LEDs 16 3731 March 01, 2010
by michaeldallas
What's the part I need? 5 2088 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8334 February 23, 2010
by rajabalu21
Too much power? 14 2866 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3348 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2744 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 8178 February 18, 2010
by Rick_S
Serial port interface circuit 2 3030 February 17, 2010
by mongo
OBDII project 3 2144 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4032 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4149 February 13, 2010
by BobaMosfet
Digital pots 5 2265 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2350 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3382 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3338 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4314 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2515 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4064 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6295 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3019 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2340 December 27, 2009
by jgauthier
Servo Signal Noise 2 1993 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4515 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8339 December 10, 2009
by georgio
Relays and transistors 12 6298 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5234 December 09, 2009
by Rick_S
IR Detector 7 4083 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2941 November 19, 2009
by mikedoug
Debug with lcd 6 2827 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2543 November 15, 2009
by tech20
Understanding output pin characteristics 4 2313 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4047 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2542 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 37294 October 30, 2009
by BobaMosfet
DIY header unit 2 2842 October 10, 2009
by rusirius
Thermostat Logging 6 3617 October 09, 2009
by luke
Understanding transistors 6 3824 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7219 October 07, 2009
by mikedoug
Currant booster 3 2013 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2839 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 8484 August 27, 2009
by hevans
Which LED? 14 2687 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3548 August 07, 2009
by mongo
pull up, pull down resistors 7 14160 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7383 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4291 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3914 July 07, 2009
by sector0
Reset switch for circuit 3 2526 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 26348 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2894 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2597 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2582 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3208 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2508 May 06, 2009
by paulip

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