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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 1853 June 08, 2017
by BobaMosfet
Turn Vac on when tool turns on 7 3539 April 12, 2016
by Ralphxyz
USBasp Help! 3 2128 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3969 May 04, 2015
by mongo
Need to replace Wall Watt 16 1470 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1880 April 10, 2015
by Noter
My new 3D Printer 44 15917 April 07, 2015
by Rick_S
AtMega 644 2 2062 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1419 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1647 June 02, 2014
by JKITSON
Automated programming mode? 9 1994 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1722 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1493 January 28, 2014
by lailai
What kind of error is this? 4 1691 January 23, 2014
by Noter
How to double a DC voltage? 20 6425 January 12, 2014
by JKITSON
Is the code the driver? 2 1390 January 12, 2014
by Ralphxyz
Miniature headers 6 1779 January 01, 2014
by Ralphxyz
BLDC 8 1717 December 23, 2013
by esoderberg
I need help finding a terminal. 17 2088 November 26, 2013
by Rick_S
GLCD SPI problems 14 4520 November 10, 2013
by andyi
Moving on... 7 1814 November 08, 2013
by Pr0ject
Power supply questions 4 2196 October 31, 2013
by sask55
OLED 4 1461 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 7476 September 22, 2013
by sask55
Opto Interrupter once again 14 4325 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1618 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 7515 September 02, 2013
by Ralphxyz
USB cable specifications 7 1745 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1942 August 27, 2013
by Affarram
XMEGA Breakout 8 2073 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1426 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1921 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1957 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 6173 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 8660 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1518 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1913 April 08, 2013
by pcbolt
Using diode to drop voltage 12 41239 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1353 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1626 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 3362 March 14, 2013
by mongo
Current vs Voltage 8 2318 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 2189 March 09, 2013
by lnino
Electric current 2 1381 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 4003 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 4145 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 3378 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1895 February 24, 2013
by lnino
Relay Question 27 4772 February 19, 2013
by Noter
Rotary Encoder how to?? 21 4039 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 2271 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2482 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1961 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1881 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 2277 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1857 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2604 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1506 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1585 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1680 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 6403 November 18, 2012
by carlhako
SPI slave clock 6 1948 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1629 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 18596 October 23, 2012
by Noter
NPN circuit connection quandry 4 2070 September 24, 2012
by edb
Simple I/O circuit 4 1708 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1451 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1310 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 3083 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1827 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3729 September 13, 2012
by dan_engbers
Electronics simulation 8 2356 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3787 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1745 August 20, 2012
by rblalock
louder sound 2 1543 August 18, 2012
by mongo
connector or cable for LCD display? 4 1663 August 13, 2012
by missle3944
Powering L.E.Ds 5 1812 August 09, 2012
by BobaMosfet
Wires in U.K 5 1922 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 2055 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3794 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 4278 July 25, 2012
by bretm
Stepper Motor Direction Control 12 2156 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 17152 July 21, 2012
by lnino
um help 6 1566 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 2000 July 18, 2012
by Ralphxyz
help me 11 2057 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1588 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2527 June 24, 2012
by Ralphxyz
HELP 3 1491 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 10709 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1528 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2652 June 17, 2012
by RogerFL
Programmable current source 6 2453 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2508 June 11, 2012
by mongo
HELP 6 1687 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1989 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 27983 May 24, 2012
by Ralphxyz
i need a code 8 2077 May 15, 2012
by pcbolt
Clock Accuracy 30 5423 May 14, 2012
by HexManiac
Relays and Controlling them 9 1990 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 2302 May 09, 2012
by RogerFL
Powering your NerdKit 7 1894 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1813 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 3503 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 2029 April 24, 2012
by pcbolt
Programs will not run 6 1804 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 2250 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1983 April 09, 2012
by Ralphxyz
Path Lights controller 2 1742 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1895 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 2212 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1985 April 01, 2012
by JamesFysh
Question on LCD screen 5 1815 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1854 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 3147 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2453 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 4698 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 2008 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 2215 March 15, 2012
by mongo
Digital servo issues! 9 2222 March 15, 2012
by Rick_S
Brushless motor control 16 2597 March 12, 2012
by hevans
Windows not detecting device 3 1743 March 10, 2012
by hevans
Voltage throught MCU 5 1732 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 15263 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 6848 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 8839 March 01, 2012
by hevans
Up and running... 3 1536 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1930 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 2277 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1734 February 24, 2012
by Rick_S
programming lcd trubs 7 1789 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2402 February 18, 2012
by Rick_S
Oscilloscope 15 3390 February 18, 2012
by Osarus
How far away can a LM34 be? 16 6460 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2936 February 14, 2012
by Ralphxyz
It's true, we forget... 18 2000 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4890 February 09, 2012
by mongo
Data transmission 3 2270 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 2263 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 3333 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1821 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1555 January 31, 2012
by tchilzer2
H bridge questions 6 2061 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 2020 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 2210 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2427 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4596 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 2164 January 15, 2012
by Rick_S
Source of power? 19 2122 January 13, 2012
by mongo
symbol defined please? 4 2201 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 11556 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1798 January 06, 2012
by boxvic
Basic LED circuit properties 8 2061 January 06, 2012
by boxvic
Getting Started 3 1852 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2599 January 02, 2012
by bodangly
SMD reflow 16 2824 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1933 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2446 December 23, 2011
by BobaMosfet
Potentiometer 8 2532 December 23, 2011
by huzbum
Fun with Op-Amps 3 3358 December 22, 2011
by treymd
Do I need an H-Bridge? 14 2321 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 2252 December 07, 2011
by BobaMosfet
Odessy of the minds 5 2216 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1696 November 27, 2011
by sazD
Initial Load 2 2148 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2410 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 3305 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 2239 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5866 November 10, 2011
by jfbrink
Servo Squitter Project 13 2095 November 09, 2011
by Heed
how do i run a program 4 1729 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1822 November 07, 2011
by Heed
Motor control question 2 1755 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4807 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1936 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1841 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 61247 October 24, 2011
by glendon
Measuring Capacitance 9 3148 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 2043 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 3038 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 12428 October 16, 2011
by sask55
RxD / TxD Questions 10 3995 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 2099 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 2022 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1750 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1825 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 7005 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 3079 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 19552 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 5395 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1750 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4767 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 7715 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5656 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 2228 September 01, 2011
by BobaMosfet
Dim LED 3 1810 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 2190 August 23, 2011
by Twarter369
Easy Transistor Question 4 2457 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3555 August 18, 2011
by Ralphxyz
Building a coil?? 12 3481 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 2089 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1843 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1577 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1607 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 16120 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2610 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1874 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1971 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1960 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3591 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1799 July 17, 2011
by codenamejupiterx
avr macpack 3 1894 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 2020 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1984 July 13, 2011
by BobaMosfet
Battery clip wires 3 1768 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1618 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1774 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 2044 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2403 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 12084 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 2038 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1919 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3521 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 2257 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 2224 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 2066 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 2169 June 06, 2011
by mja
A couple of questions 3 1831 June 06, 2011
by Ralphxyz
How much should I strip? 3 1692 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 2271 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1901 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 2181 May 29, 2011
by Rick_S
Digital Input Question 4 1956 May 28, 2011
by frankdwest
PCB arrived 20 1965 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2553 May 24, 2011
by gcharris
Calculating bypass capacitor 6 14875 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2526 May 09, 2011
by Noter
IR current 6 2285 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2925 May 04, 2011
by hariharan
Heat sensors 21 3112 May 04, 2011
by Hexorg
error 1 2 1887 May 02, 2011
by hevans
Transistor vs mosfet 13 9054 May 01, 2011
by Noter
PCB trace width calculator 3 3135 April 24, 2011
by esoderberg
OLED display 10 2479 April 23, 2011
by Rick_S
Power Supplies 17 3483 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1850 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 2284 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1808 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2371 April 19, 2011
by mongo
Connecting to external control voltages 4 2069 April 19, 2011
by bretm
IR current question 7 1978 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2566 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2499 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 2281 April 10, 2011
by uml_12
Basic projects 3 1977 April 09, 2011
by mongo
REFLOW oven 22 4322 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 8515 April 07, 2011
by bretm
unexpected MCU rebooting 82 6088 April 05, 2011
by sask55
REFLOW Soldering 3 2582 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 2207 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 4250 March 30, 2011
by bretm
Black Display on LCD 6 2207 March 28, 2011
by Druidman
32kHz clock 2 2000 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6830 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 6217 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3538 March 16, 2011
by mongo
LCD problem 3 2148 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2871 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2890 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 2041 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3890 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2731 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2890 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 8401 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 5272 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3349 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5791 February 19, 2011
by Lusitania
My first Impression 6 2253 February 16, 2011
by devinsbusiness
Understanding battery life 3 3393 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 3177 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2739 February 05, 2011
by BobaMosfet
High voltage lines 26 4054 February 02, 2011
by mongo
USB 3 2040 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2812 February 02, 2011
by Jalex
Alternating LED circuit 4 2639 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3605 January 31, 2011
by il1019
Affordable oscilloscopes 43 10140 January 27, 2011
by BStory
"And"gate unfinished thought 2 1962 January 27, 2011
by Hexorg
replace MCU? 30 6387 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2591 January 25, 2011
by Ralphxyz
Multimeter! 12 4280 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 3286 January 25, 2011
by Jalex
My LED Cube so far 25 7191 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 3201 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2549 January 18, 2011
by dgikuljot
Counting 5 1823 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5798 January 17, 2011
by bretm
Programming 5 2557 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2965 January 11, 2011
by Yourself
Begining 7 2635 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 3253 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2826 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 2098 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2481 January 06, 2011
by Mujda
Data input voltage 6 2777 January 03, 2011
by Rick_S
MOSFET Question 7 2711 December 31, 2010
by Keyster
Transistor as a switch 5 2510 December 29, 2010
by Hexorg
Resistors 5 3004 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 7224 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2740 December 28, 2010
by BobaMosfet
Relay ratings 2 2378 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 15764 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 2211 December 17, 2010
by mongo
Power Rectifier 7 2527 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 4023 December 14, 2010
by danuke
This a decent oscilloscope? 8 2719 December 14, 2010
by danuke
Do resistors in series really add up? 8 3717 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 3125 December 09, 2010
by bretm
L293 H-Bridge 15 3677 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3398 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3924 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 3112 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3672 November 24, 2010
by BobaMosfet
Op-amp not working 6 3837 November 24, 2010
by BobaMosfet
Python questions 4 3225 November 21, 2010
by tkopriva
CE Amp design 5 2362 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2659 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2354 November 05, 2010
by Mujda
PC4 not working?! 8 2101 November 04, 2010
by hapshetsut
Amplifiers 4 2305 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 3083 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 3097 October 04, 2010
by Scythium
radio interference from NerdKit 11 2217 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 6098 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2816 September 11, 2010
by akajester
QFP and dreadboard 2 2562 September 02, 2010
by bretm
Getting power to the spinning part... 5 2688 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8772 August 30, 2010
by Ralphxyz
morse code decoder 2 2943 August 26, 2010
by jonathan_m
Connecting to Computer 3 2735 August 25, 2010
by awesome
555 astable on breadboard 12 4209 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2300 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2728 August 19, 2010
by hevans
mosfet 3 2259 August 13, 2010
by hevans
Good material on learning electronics. 8 2455 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 2112 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 3183 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3602 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 6250 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3727 July 02, 2010
by mongo
Electro Cardio Gram 4 2995 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 2181 June 12, 2010
by Wobbler
Voltage Regulator 20 3615 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3379 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3691 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3511 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2715 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 2140 June 06, 2010
by Kafke
TSSOP IC! 4 2575 June 03, 2010
by mrobbins
AVcc 2 3006 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2283 May 31, 2010
by hevans
Cable Driver 2 2028 May 31, 2010
by mongo
Best 9V adapter to use 2 2371 May 28, 2010
by mongo
Unidirectional microphones 5 2621 May 27, 2010
by mongo
Servo question 3 2291 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2674 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2627 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3742 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 6653 May 21, 2010
by hevans
Chinese Solenoid 15 2519 May 10, 2010
by treymd
avrisp mkii circuit 4 3874 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2327 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 6371 May 07, 2010
by rajabalu21
Simple Power Switch 6 2331 May 05, 2010
by avicell
I can haz speed! 3 2500 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3850 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 3045 April 21, 2010
by bretm
Help with choosing the right resistor 10 3852 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 5475 April 15, 2010
by bretm
Resistor 4 2063 April 15, 2010
by mongo
MCU digital input pins 3 1967 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2482 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7774 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 4146 March 28, 2010
by carlhako
Laptop ground safety question 3 2553 March 27, 2010
by ese
LM34 R-C Damper 5 2956 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2571 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 2182 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3969 March 23, 2010
by ese
constant system reset 3 2018 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2574 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3330 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2985 March 17, 2010
by Frozenlock
What is -VS? 6 3974 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3990 March 04, 2010
by treymd
Using MCU to connect two wires 3 2572 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 6173 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2350 March 02, 2010
by Solorbob
Deciphering power resistors 11 2672 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2309 March 01, 2010
by nrotstan
Understanding LEDs 16 4062 March 01, 2010
by michaeldallas
What's the part I need? 5 2338 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8699 February 23, 2010
by rajabalu21
Too much power? 14 3100 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3608 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 3015 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 8753 February 18, 2010
by Rick_S
Serial port interface circuit 2 3210 February 17, 2010
by mongo
OBDII project 3 2356 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 4403 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4464 February 13, 2010
by BobaMosfet
Digital pots 5 2526 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2587 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3619 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3627 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4674 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2724 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 4372 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6810 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 3267 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2575 December 27, 2009
by jgauthier
Servo Signal Noise 2 2198 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4757 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8681 December 10, 2009
by georgio
Relays and transistors 12 6573 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5601 December 09, 2009
by Rick_S
IR Detector 7 4521 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 3151 November 19, 2009
by mikedoug
Debug with lcd 6 3064 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2740 November 15, 2009
by tech20
Understanding output pin characteristics 4 2526 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 4297 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2758 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 39929 October 30, 2009
by BobaMosfet
DIY header unit 2 3048 October 10, 2009
by rusirius
Thermostat Logging 6 3953 October 09, 2009
by luke
Understanding transistors 6 4119 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7571 October 07, 2009
by mikedoug
Currant booster 3 2201 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 3143 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 9092 August 27, 2009
by hevans
Which LED? 14 2921 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3796 August 07, 2009
by mongo
pull up, pull down resistors 7 14459 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7775 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4593 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 4195 July 07, 2009
by sector0
Reset switch for circuit 3 2757 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 26870 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 3202 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2825 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2852 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3457 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2721 May 06, 2009
by paulip

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