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Basic Electronics

NerdKits » Forums » Basic Electronics (421 threads, 3568 posts)
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accurate time for a real time clock 5 265 April 08, 2013
by pcbolt
Using diode to drop voltage 12 416 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 100 March 27, 2013
by oshjdf
Two Wrongs Make it Right 2 127 March 16, 2013
by Noter
Since it is kinda slow around here I thought I'd ask .... 6 243 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 231 March 14, 2013
by mongo
Current vs Voltage 8 323 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 159 March 09, 2013
by lnino
Electric current 2 143 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 245 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 273 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 334 February 28, 2013
by BobaMosfet
Control electronic door opener 15 302 February 24, 2013
by lnino
Relay Question 27 1854 February 19, 2013
by Noter
Rotary Encoder how to?? 21 401 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 239 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 270 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 339 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 414 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 680 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 501 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 397 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 239 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 289 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 291 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 710 November 18, 2012
by carlhako
Low Voltage Level Translator That Fits the MCU and Breadboard 32 1189 October 29, 2012
by Noter
SPI slave clock 6 332 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 411 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 7592 October 23, 2012
by Noter
NPN circuit connection quandry 4 458 September 24, 2012
by edb
Simple I/O circuit 4 361 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 230 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 209 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 750 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 397 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 1017 September 13, 2012
by dan_engbers
Electronics simulation 8 496 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 1573 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 427 August 20, 2012
by rblalock
louder sound 2 258 August 18, 2012
by mongo
connector or cable for LCD display? 4 427 August 13, 2012
by missle3944
Powering L.E.Ds 5 389 August 09, 2012
by BobaMosfet
Wires in U.K 5 402 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 421 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 1176 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 928 July 25, 2012
by bretm
Stepper Motor Direction Control 12 561 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 5669 July 21, 2012
by lnino
um help 6 309 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 427 July 18, 2012
by Ralphxyz
Stepper Motor Programming 142 2787 July 13, 2012
by Ralphxyz
help me 11 561 July 03, 2012
by Rick_S
Crystal Oscillator question 2 409 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 511 June 24, 2012
by Ralphxyz
HELP 3 320 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 2372 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 315 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 574 June 17, 2012
by RogerFL
Programmable current source 6 624 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 489 June 11, 2012
by mongo
HELP 6 427 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 522 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 2793 May 24, 2012
by Ralphxyz
i need a code 8 637 May 15, 2012
by pcbolt
Clock Accuracy 30 3065 May 14, 2012
by HexManiac
Relays and Controlling them 9 552 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 576 May 09, 2012
by RogerFL
Powering your NerdKit 7 502 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 526 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 545 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 557 April 24, 2012
by pcbolt
Programs will not run 6 459 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 641 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 561 April 09, 2012
by Ralphxyz
Path Lights controller 2 474 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 479 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 617 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 537 April 01, 2012
by JamesFysh
Question on LCD screen 5 506 March 30, 2012
by billtaichi
Is this Capaciator Good 4 505 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 519 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 812 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 892 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 569 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 511 March 15, 2012
by mongo
Digital servo issues! 9 677 March 15, 2012
by Rick_S
Brushless motor control 16 833 March 12, 2012
by hevans
Windows not detecting device 3 530 March 10, 2012
by hevans
Voltage throught MCU 5 450 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 9269 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 1091 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 913 March 01, 2012
by hevans
Up and running... 3 424 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 589 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 582 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 474 February 24, 2012
by Rick_S
programming lcd trubs 7 590 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 654 February 18, 2012
by Rick_S
Oscilloscope 15 1178 February 18, 2012
by Osarus
How far away can a LM34 be? 16 2596 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 1486 February 14, 2012
by Ralphxyz
It's true, we forget... 18 741 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 2145 February 09, 2012
by mongo
Data transmission 3 1078 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 672 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 1001 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 570 February 03, 2012
by BobaMosfet
connencting two ics to port 3 480 January 31, 2012
by tchilzer2
H bridge questions 6 592 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 647 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 783 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 824 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 1144 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 827 January 15, 2012
by Rick_S
Source of power? 19 859 January 13, 2012
by mongo
symbol defined please? 4 672 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 2429 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 651 January 06, 2012
by boxvic
Basic LED circuit properties 8 692 January 06, 2012
by boxvic
Getting Started 3 595 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 839 January 02, 2012
by bodangly
SMD reflow 16 918 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 666 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 915 December 23, 2011
by BobaMosfet
Potentiometer 8 1019 December 23, 2011
by huzbum
Fun with Op-Amps 3 1030 December 22, 2011
by treymd
Do I need an H-Bridge? 14 765 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 550 December 07, 2011
by BobaMosfet
Odessy of the minds 5 765 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 563 November 27, 2011
by sazD
Initial Load 2 691 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 796 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 1254 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 822 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 3038 November 10, 2011
by jfbrink
Servo Squitter Project 13 787 November 09, 2011
by Heed
how do i run a program 4 573 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 647 November 07, 2011
by Heed
Motor control question 2 667 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 1251 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 729 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 617 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 5955 October 24, 2011
by glendon
Measuring Capacitance 9 1272 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 707 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 976 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 3101 October 16, 2011
by sask55
RxD / TxD Questions 10 1256 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 757 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 806 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 581 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 632 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 1769 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1066 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 9593 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 933 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 627 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 1312 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 2228 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 2324 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 760 September 01, 2011
by BobaMosfet
Dim LED 3 707 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 802 August 23, 2011
by Twarter369
Easy Transistor Question 4 943 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 1221 August 18, 2011
by Ralphxyz
Building a coil?? 12 1279 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 907 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 665 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 539 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 510 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 2058 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 977 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 666 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 643 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 621 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 1045 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 688 July 17, 2011
by codenamejupiterx
avr macpack 3 617 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 869 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 814 July 13, 2011
by BobaMosfet
Battery clip wires 3 652 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 517 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 557 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 708 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1194 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 2246 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 700 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 754 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 1404 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 958 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 874 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 851 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 999 June 06, 2011
by mja
A couple of questions 3 631 June 06, 2011
by Ralphxyz
How much should I strip? 3 655 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 911 June 01, 2011
by hevans
Motor Control/MCU power bus 5 760 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1018 May 29, 2011
by Rick_S
Digital Input Question 4 716 May 28, 2011
by frankdwest
PCB arrived 20 857 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1123 May 24, 2011
by gcharris
Calculating bypass capacitor 6 2127 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1213 May 09, 2011
by Noter
IR current 6 978 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 1302 May 04, 2011
by hariharan
Heat sensors 21 1181 May 04, 2011
by Hexorg
error 1 2 866 May 02, 2011
by hevans
Transistor vs mosfet 13 1942 May 01, 2011
by Noter
PCB trace width calculator 3 1414 April 24, 2011
by esoderberg
OLED display 10 1144 April 23, 2011
by Rick_S
Power Supplies 17 1906 April 22, 2011
by BobBolinger
LCD & battery&USB 4 671 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 935 April 21, 2011
by Rick_S
ADC Theremin Help... 1 768 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1042 April 19, 2011
by mongo
Connecting to external control voltages 4 950 April 19, 2011
by bretm
IR current question 7 772 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1172 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 876 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 925 April 10, 2011
by uml_12
Basic projects 3 846 April 09, 2011
by mongo
REFLOW oven 22 1779 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 2790 April 07, 2011
by bretm
unexpected MCU rebooting 82 1758 April 05, 2011
by sask55
REFLOW Soldering 3 997 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 939 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 1798 March 30, 2011
by bretm
Black Display on LCD 6 948 March 28, 2011
by Druidman
32kHz clock 2 950 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 3005 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 3206 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 1526 March 16, 2011
by mongo
LCD problem 3 882 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1270 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 1387 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 927 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 1572 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1072 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1253 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 2670 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 1869 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 1028 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 1667 February 19, 2011
by Lusitania
My first Impression 6 1085 February 16, 2011
by devinsbusiness
Understanding battery life 3 1642 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 1742 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1171 February 05, 2011
by BobaMosfet
High voltage lines 26 1802 February 02, 2011
by mongo
USB 3 855 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1311 February 02, 2011
by Jalex
Alternating LED circuit 4 1326 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 1592 January 31, 2011
by il1019
Affordable oscilloscopes 43 6154 January 27, 2011
by BStory
"And"gate unfinished thought 2 808 January 27, 2011
by Hexorg
replace MCU? 30 4063 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1225 January 25, 2011
by Ralphxyz
Multimeter! 12 2614 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 1529 January 25, 2011
by Jalex
My LED Cube so far 25 3683 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 1374 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1106 January 18, 2011
by dgikuljot
Counting 5 750 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 2560 January 17, 2011
by bretm
Programming 5 1130 January 14, 2011
by Ralphxyz
Induction loop actuator 7 1450 January 11, 2011
by Yourself
Begining 7 1298 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 1467 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1414 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 786 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1160 January 06, 2011
by Mujda
Data input voltage 6 1300 January 03, 2011
by Rick_S
MOSFET Question 7 1207 December 31, 2010
by Keyster
Transistor as a switch 5 1176 December 29, 2010
by Hexorg
Resistors 5 1672 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 3022 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1136 December 28, 2010
by BobaMosfet
Relay ratings 2 978 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 8021 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1042 December 17, 2010
by mongo
Power Rectifier 7 1236 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 1811 December 14, 2010
by danuke
This a decent oscilloscope? 8 1409 December 14, 2010
by danuke
Do resistors in series really add up? 8 1726 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 1373 December 09, 2010
by bretm
L293 H-Bridge 15 1707 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 1680 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 1783 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 1370 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 1460 November 24, 2010
by BobaMosfet
Op-amp not working 6 1408 November 24, 2010
by BobaMosfet
Python questions 4 1600 November 21, 2010
by tkopriva
CE Amp design 5 1131 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1357 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1027 November 05, 2010
by Mujda
PC4 not working?! 8 843 November 04, 2010
by hapshetsut
Amplifiers 4 1053 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 1489 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 1639 October 04, 2010
by Scythium
radio interference from NerdKit 11 1104 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 2204 September 14, 2010
by Ralphxyz
solar project with light sensors 7 1529 September 11, 2010
by akajester
QFP and dreadboard 2 1241 September 02, 2010
by bretm
Getting power to the spinning part... 5 1383 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 3371 August 30, 2010
by Ralphxyz
morse code decoder 2 1673 August 26, 2010
by jonathan_m
Connecting to Computer 3 1534 August 25, 2010
by awesome
555 astable on breadboard 12 2373 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1038 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1514 August 19, 2010
by hevans
mosfet 3 1078 August 13, 2010
by hevans
Good material on learning electronics. 8 1210 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 935 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 1494 August 02, 2010
by mrobbins
More batteries = more voltage? 3 1500 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 2622 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 1844 July 02, 2010
by mongo
Electro Cardio Gram 4 1476 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1024 June 12, 2010
by Wobbler
Voltage Regulator 20 1655 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 1946 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 1629 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 1808 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1256 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 946 June 06, 2010
by Kafke
TSSOP IC! 4 1288 June 03, 2010
by mrobbins
AVcc 2 1524 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1231 May 31, 2010
by hevans
Cable Driver 2 969 May 31, 2010
by mongo
Best 9V adapter to use 2 1191 May 28, 2010
by mongo
Unidirectional microphones 5 1339 May 27, 2010
by mongo
Servo question 3 1056 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1389 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1083 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 1823 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 2765 May 21, 2010
by hevans
Chinese Solenoid 15 1215 May 10, 2010
by treymd
avrisp mkii circuit 4 2170 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1274 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 1740 May 07, 2010
by rajabalu21
Simple Power Switch 6 995 May 05, 2010
by avicell
I can haz speed! 3 1087 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 1734 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 1671 April 21, 2010
by bretm
Help with choosing the right resistor 10 1525 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 2198 April 15, 2010
by bretm
Resistor 4 1014 April 15, 2010
by mongo
MCU digital input pins 3 895 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1374 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 4288 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 2595 March 28, 2010
by carlhako
Laptop ground safety question 3 1346 March 27, 2010
by ese
LM34 R-C Damper 5 1352 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1350 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1084 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2131 March 23, 2010
by ese
constant system reset 3 1002 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1170 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 1570 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 1634 March 17, 2010
by Frozenlock
What is -VS? 6 1311 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 2450 March 04, 2010
by treymd
Using MCU to connect two wires 3 1325 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 3078 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1226 March 02, 2010
by Solorbob
Deciphering power resistors 11 1219 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1171 March 01, 2010
by nrotstan
Understanding LEDs 16 2183 March 01, 2010
by michaeldallas
What's the part I need? 5 1013 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 4638 February 23, 2010
by rajabalu21
Too much power? 14 1710 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2267 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1399 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 3414 February 18, 2010
by Rick_S
Serial port interface circuit 2 1863 February 17, 2010
by mongo
OBDII project 3 1213 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 1949 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 2371 February 13, 2010
by BobaMosfet
Digital pots 5 1203 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1390 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2102 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 1645 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 2360 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1417 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 1967 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 3469 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 1602 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1294 December 27, 2009
by jgauthier
Servo Signal Noise 2 1087 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 2955 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 3937 December 10, 2009
by georgio
Relays and transistors 12 4505 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 3351 December 09, 2009
by Rick_S
IR Detector 7 1903 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 1771 November 19, 2009
by mikedoug
Debug with lcd 6 1623 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 1657 November 15, 2009
by tech20
Understanding output pin characteristics 4 1272 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 2769 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1517 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 18622 October 30, 2009
by BobaMosfet
DIY header unit 2 1849 October 10, 2009
by rusirius
Thermostat Logging 6 1871 October 09, 2009
by luke
Understanding transistors 6 2478 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 5076 October 07, 2009
by mikedoug
Currant booster 3 1161 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 1622 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 3842 August 27, 2009
by hevans
Which LED? 14 1724 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2298 August 07, 2009
by mongo
pull up, pull down resistors 7 10047 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 4180 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 2856 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 2518 July 07, 2009
by sector0
Reset switch for circuit 3 1544 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 22031 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 1636 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 1508 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 1584 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2024 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1504 May 06, 2009
by paulip

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