NerdKits - electronics education for a digital generation

You are not logged in. [log in]

NEW: Learning electronics? Ask your questions on the new Electronics Questions & Answers site hosted by CircuitLab.

Basic Electronics

NerdKits » Forums » Basic Electronics (453 threads, 3939 posts)
Thread Posts Views Last Post
Turn Vac on when tool turns on 7 2476 April 12, 2016
by Ralphxyz
USBasp Help! 3 1694 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3414 May 04, 2015
by mongo
Need to replace Wall Watt 16 1021 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1489 April 10, 2015
by Noter
My new 3D Printer 44 15437 April 07, 2015
by Rick_S
AtMega 644 2 1719 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 1091 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1266 June 02, 2014
by JKITSON
Automated programming mode? 9 1565 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1401 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 1119 January 28, 2014
by lailai
What kind of error is this? 4 1330 January 23, 2014
by Noter
How to double a DC voltage? 20 5667 January 12, 2014
by JKITSON
Is the code the driver? 2 1065 January 12, 2014
by Ralphxyz
Miniature headers 6 1413 January 01, 2014
by Ralphxyz
BLDC 8 1316 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1706 November 26, 2013
by Rick_S
GLCD SPI problems 14 3763 November 10, 2013
by andyi
Moving on... 7 1483 November 08, 2013
by Pr0ject
Power supply questions 4 1747 October 31, 2013
by sask55
OLED 4 1161 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 5799 September 22, 2013
by sask55
Opto Interrupter once again 14 3583 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1298 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 6756 September 02, 2013
by Ralphxyz
USB cable specifications 7 1389 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1538 August 27, 2013
by Affarram
XMEGA Breakout 8 1668 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 1107 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1520 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1574 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5590 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 7514 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1208 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1593 April 08, 2013
by pcbolt
Using diode to drop voltage 12 34299 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 1052 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1299 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2801 March 14, 2013
by mongo
Current vs Voltage 8 1961 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1811 March 09, 2013
by lnino
Electric current 2 1103 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3595 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 3284 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2824 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1527 February 24, 2013
by lnino
Relay Question 27 4269 February 19, 2013
by Noter
Rotary Encoder how to?? 21 3441 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1760 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 2040 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1603 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1555 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1888 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1528 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 2257 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1260 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1320 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1327 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 5760 November 18, 2012
by carlhako
SPI slave clock 6 1616 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1314 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 16866 October 23, 2012
by Noter
NPN circuit connection quandry 4 1685 September 24, 2012
by edb
Simple I/O circuit 4 1399 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 1116 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 1048 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2663 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1509 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 3317 September 13, 2012
by dan_engbers
Electronics simulation 8 1970 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3398 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1417 August 20, 2012
by rblalock
louder sound 2 1223 August 18, 2012
by mongo
connector or cable for LCD display? 4 1358 August 13, 2012
by missle3944
Powering L.E.Ds 5 1449 August 09, 2012
by BobaMosfet
Wires in U.K 5 1574 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1704 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 3299 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3784 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1818 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 16122 July 21, 2012
by lnino
um help 6 1212 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1621 July 18, 2012
by Ralphxyz
help me 11 1727 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1297 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 2121 June 24, 2012
by Ralphxyz
HELP 3 1242 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 9225 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1235 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2271 June 17, 2012
by RogerFL
Programmable current source 6 2071 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 2108 June 11, 2012
by mongo
HELP 6 1381 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1656 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 22417 May 24, 2012
by Ralphxyz
i need a code 8 1731 May 15, 2012
by pcbolt
Clock Accuracy 30 5022 May 14, 2012
by HexManiac
Relays and Controlling them 9 1674 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1978 May 09, 2012
by RogerFL
Powering your NerdKit 7 1578 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1479 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2747 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1656 April 24, 2012
by pcbolt
Programs will not run 6 1509 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1908 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1662 April 09, 2012
by Ralphxyz
Path Lights controller 2 1478 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1636 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1856 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1648 April 01, 2012
by JamesFysh
Question on LCD screen 5 1532 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1525 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2854 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 2124 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 3668 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1685 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1849 March 15, 2012
by mongo
Digital servo issues! 9 1890 March 15, 2012
by Rick_S
Brushless motor control 16 2262 March 12, 2012
by hevans
Windows not detecting device 3 1420 March 10, 2012
by hevans
Voltage throught MCU 5 1392 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 14592 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 5233 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 7031 March 01, 2012
by hevans
Up and running... 3 1267 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1615 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1928 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1466 February 24, 2012
by Rick_S
programming lcd trubs 7 1503 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 2072 February 18, 2012
by Rick_S
Oscilloscope 15 3026 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5807 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2592 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1663 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4397 February 09, 2012
by mongo
Data transmission 3 1978 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1905 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2939 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1506 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1298 January 31, 2012
by tchilzer2
H bridge questions 6 1680 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1723 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1881 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 2057 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 4083 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1831 January 15, 2012
by Rick_S
Source of power? 19 1789 January 13, 2012
by mongo
symbol defined please? 4 1930 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 10526 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1530 January 06, 2012
by boxvic
Basic LED circuit properties 8 1761 January 06, 2012
by boxvic
Getting Started 3 1546 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 2196 January 02, 2012
by bodangly
SMD reflow 16 2417 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1590 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 2104 December 23, 2011
by BobaMosfet
Potentiometer 8 2182 December 23, 2011
by huzbum
Fun with Op-Amps 3 2903 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1964 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1831 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1856 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1429 November 27, 2011
by sazD
Initial Load 2 1798 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 2085 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2883 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1913 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 5321 November 10, 2011
by jfbrink
Servo Squitter Project 13 1784 November 09, 2011
by Heed
how do i run a program 4 1463 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1528 November 07, 2011
by Heed
Motor control question 2 1489 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 4171 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1671 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1539 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 50382 October 24, 2011
by glendon
Measuring Capacitance 9 2791 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1759 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2644 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 11214 October 16, 2011
by sask55
RxD / TxD Questions 10 3512 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1808 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1731 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1472 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1526 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 6237 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2699 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 18815 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 4321 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1503 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 4245 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 7030 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 5192 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1897 September 01, 2011
by BobaMosfet
Dim LED 3 1531 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1871 August 23, 2011
by Twarter369
Easy Transistor Question 4 2135 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 3137 August 18, 2011
by Ralphxyz
Building a coil?? 12 3090 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1800 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1574 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1336 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1329 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 13506 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2244 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1587 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1688 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1645 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 3240 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1531 July 17, 2011
by codenamejupiterx
avr macpack 3 1579 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1742 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1690 July 13, 2011
by BobaMosfet
Battery clip wires 3 1451 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1353 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1406 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1742 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 2107 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 10158 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1711 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1627 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 3069 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1961 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1912 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1750 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1895 June 06, 2011
by mja
A couple of questions 3 1519 June 06, 2011
by Ralphxyz
How much should I strip? 3 1446 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1969 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1595 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1928 May 29, 2011
by Rick_S
Digital Input Question 4 1637 May 28, 2011
by frankdwest
PCB arrived 20 1690 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2294 May 24, 2011
by gcharris
Calculating bypass capacitor 6 13206 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2207 May 09, 2011
by Noter
IR current 6 1985 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2617 May 04, 2011
by hariharan
Heat sensors 21 2672 May 04, 2011
by Hexorg
error 1 2 1639 May 02, 2011
by hevans
Transistor vs mosfet 13 8119 May 01, 2011
by Noter
PCB trace width calculator 3 2765 April 24, 2011
by esoderberg
OLED display 10 2141 April 23, 2011
by Rick_S
Power Supplies 17 3114 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1533 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1954 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1554 April 20, 2011
by jasongillikin
RF and oscoliscope 2 2061 April 19, 2011
by mongo
Connecting to external control voltages 4 1795 April 19, 2011
by bretm
IR current question 7 1664 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2244 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 2162 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1934 April 10, 2011
by uml_12
Basic projects 3 1710 April 09, 2011
by mongo
REFLOW oven 22 3865 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 7488 April 07, 2011
by bretm
unexpected MCU rebooting 82 5007 April 05, 2011
by sask55
REFLOW Soldering 3 2224 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1901 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3875 March 30, 2011
by bretm
Black Display on LCD 6 1885 March 28, 2011
by Druidman
32kHz clock 2 1753 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 6262 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5622 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 3117 March 16, 2011
by mongo
LCD problem 3 1809 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2572 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2542 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1805 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3394 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2387 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2556 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 7742 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4647 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 3032 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 5118 February 19, 2011
by Lusitania
My first Impression 6 1934 February 16, 2011
by devinsbusiness
Understanding battery life 3 3073 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2871 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2377 February 05, 2011
by BobaMosfet
High voltage lines 26 3634 February 02, 2011
by mongo
USB 3 1763 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2523 February 02, 2011
by Jalex
Alternating LED circuit 4 2299 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 3170 January 31, 2011
by il1019
Affordable oscilloscopes 43 9588 January 27, 2011
by BStory
"And"gate unfinished thought 2 1674 January 27, 2011
by Hexorg
replace MCU? 30 5972 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2264 January 25, 2011
by Ralphxyz
Multimeter! 12 3900 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2936 January 25, 2011
by Jalex
My LED Cube so far 25 6606 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2839 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2218 January 18, 2011
by dgikuljot
Counting 5 1549 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 5281 January 17, 2011
by bretm
Programming 5 2223 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2606 January 11, 2011
by Yourself
Begining 7 2288 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2852 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2515 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1782 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2162 January 06, 2011
by Mujda
Data input voltage 6 2449 January 03, 2011
by Rick_S
MOSFET Question 7 2370 December 31, 2010
by Keyster
Transistor as a switch 5 2156 December 29, 2010
by Hexorg
Resistors 5 2672 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6662 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2388 December 28, 2010
by BobaMosfet
Relay ratings 2 1959 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 14983 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1909 December 17, 2010
by mongo
Power Rectifier 7 2170 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3615 December 14, 2010
by danuke
This a decent oscilloscope? 8 2417 December 14, 2010
by danuke
Do resistors in series really add up? 8 3318 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2668 December 09, 2010
by bretm
L293 H-Bridge 15 3260 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 3053 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3588 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2739 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 3235 November 24, 2010
by BobaMosfet
Op-amp not working 6 3392 November 24, 2010
by BobaMosfet
Python questions 4 2866 November 21, 2010
by tkopriva
CE Amp design 5 2019 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2344 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 2011 November 05, 2010
by Mujda
PC4 not working?! 8 1728 November 04, 2010
by hapshetsut
Amplifiers 4 1996 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2693 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2775 October 04, 2010
by Scythium
radio interference from NerdKit 11 1943 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 5426 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2512 September 11, 2010
by akajester
QFP and dreadboard 2 2242 September 02, 2010
by bretm
Getting power to the spinning part... 5 2418 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 8166 August 30, 2010
by Ralphxyz
morse code decoder 2 2702 August 26, 2010
by jonathan_m
Connecting to Computer 3 2470 August 25, 2010
by awesome
555 astable on breadboard 12 3878 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 2031 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2420 August 19, 2010
by hevans
mosfet 3 2001 August 13, 2010
by hevans
Good material on learning electronics. 8 2183 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1840 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2769 August 02, 2010
by mrobbins
More batteries = more voltage? 3 3101 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5760 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3302 July 02, 2010
by mongo
Electro Cardio Gram 4 2702 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1922 June 12, 2010
by Wobbler
Voltage Regulator 20 3263 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 3097 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3315 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 3201 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2401 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1885 June 06, 2010
by Kafke
TSSOP IC! 4 2305 June 03, 2010
by mrobbins
AVcc 2 2696 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 2044 May 31, 2010
by hevans
Cable Driver 2 1787 May 31, 2010
by mongo
Best 9V adapter to use 2 2099 May 28, 2010
by mongo
Unidirectional microphones 5 2331 May 27, 2010
by mongo
Servo question 3 2043 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2375 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2271 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3349 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 6048 May 21, 2010
by hevans
Chinese Solenoid 15 2231 May 10, 2010
by treymd
avrisp mkii circuit 4 3346 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 2100 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5634 May 07, 2010
by rajabalu21
Simple Power Switch 6 2044 May 05, 2010
by avicell
I can haz speed! 3 2229 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3476 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2790 April 21, 2010
by bretm
Help with choosing the right resistor 10 3450 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 4702 April 15, 2010
by bretm
Resistor 4 1818 April 15, 2010
by mongo
MCU digital input pins 3 1712 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2239 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 7322 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3806 March 28, 2010
by carlhako
Laptop ground safety question 3 2294 March 27, 2010
by ese
LM34 R-C Damper 5 2657 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2302 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1923 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3582 March 23, 2010
by ese
constant system reset 3 1772 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2306 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 3042 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2697 March 17, 2010
by Frozenlock
What is -VS? 6 3300 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3730 March 04, 2010
by treymd
Using MCU to connect two wires 3 2306 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5659 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 2051 March 02, 2010
by Solorbob
Deciphering power resistors 11 2399 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 2053 March 01, 2010
by nrotstan
Understanding LEDs 16 3663 March 01, 2010
by michaeldallas
What's the part I need? 5 2029 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 8234 February 23, 2010
by rajabalu21
Too much power? 14 2807 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3293 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2668 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 8026 February 18, 2010
by Rick_S
Serial port interface circuit 2 2987 February 17, 2010
by mongo
OBDII project 3 2094 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 3923 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 4073 February 13, 2010
by BobaMosfet
Digital pots 5 2212 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2295 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3325 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3266 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 4223 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2461 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3982 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 6120 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2960 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2285 December 27, 2009
by jgauthier
Servo Signal Noise 2 1940 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4434 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 8225 December 10, 2009
by georgio
Relays and transistors 12 6241 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 5133 December 09, 2009
by Rick_S
IR Detector 7 3956 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2889 November 19, 2009
by mikedoug
Debug with lcd 6 2753 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2496 November 15, 2009
by tech20
Understanding output pin characteristics 4 2265 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3996 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2503 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 36427 October 30, 2009
by BobaMosfet
DIY header unit 2 2781 October 10, 2009
by rusirius
Thermostat Logging 6 3523 October 09, 2009
by luke
Understanding transistors 6 3763 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 7129 October 07, 2009
by mikedoug
Currant booster 3 1966 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2775 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 7996 August 27, 2009
by hevans
Which LED? 14 2636 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3494 August 07, 2009
by mongo
pull up, pull down resistors 7 14082 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 7291 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4234 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3830 July 07, 2009
by sector0
Reset switch for circuit 3 2467 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 26205 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2822 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2544 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2531 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3152 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2457 May 06, 2009
by paulip

Create a Thread

Please log in to create a thread.

Did you know that many systems in nature can be described by a first order response? Learn more...