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Basic Electronics

NerdKits » Forums » Basic Electronics (332 threads, 2752 posts)
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programming lcd trubs 7 141 3 days, 4 hours ago
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 117 3 days, 17 hours ago
by Rick_S
Oscilloscope 15 442 4 days, 7 hours ago
by Osarus
Brushless motor control 1 43 4 days, 8 hours ago
by Osarus
How far away can a LM34 be? 16 1483 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 95 February 14, 2012
by Ralphxyz
It's true, we forget... 18 328 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 1027 February 09, 2012
by mongo
Data transmission 3 615 February 08, 2012
by amartinez
Anything wrong with adding a large bypass capacitor? 3 113 February 07, 2012
by JimFrederickson
PowerLineCommunication(PLC) vs Wireless 3 116 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 187 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 96 February 03, 2012
by BobaMosfet
connencting two ics to port 3 100 January 31, 2012
by tchilzer2
H bridge questions 6 125 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 129 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 237 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 325 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 184 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 379 January 15, 2012
by Rick_S
Source of power? 19 351 January 13, 2012
by mongo
symbol defined please? 4 145 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 309 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 157 January 06, 2012
by boxvic
Basic LED circuit properties 8 237 January 06, 2012
by boxvic
Getting Started 3 163 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 317 January 02, 2012
by bodangly
SMD reflow 16 331 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 219 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 316 December 23, 2011
by BobaMosfet
Potentiometer 8 365 December 23, 2011
by huzbum
Fun with Op-Amps 3 280 December 22, 2011
by treymd
Do I need an H-Bridge? 14 348 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 148 December 07, 2011
by BobaMosfet
Odessy of the minds 5 271 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 191 November 27, 2011
by sazD
Initial Load 2 225 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 289 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 720 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 277 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 2219 November 10, 2011
by jfbrink
Servo Squitter Project 13 323 November 09, 2011
by Heed
how do i run a program 4 207 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 246 November 07, 2011
by Heed
Motor control question 2 275 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 274 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 236 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 225 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 540 October 24, 2011
by glendon
Measuring Capacitance 9 468 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 298 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 411 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 781 October 16, 2011
by sask55
RxD / TxD Questions 10 451 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 320 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 320 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 282 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 233 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 567 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 344 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 4259 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 423 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 266 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 473 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 970 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 792 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 298 September 01, 2011
by BobaMosfet
Dim LED 3 326 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 430 August 23, 2011
by Twarter369
Easy Transistor Question 4 434 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 534 August 18, 2011
by Ralphxyz
Building a coil?? 12 556 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 545 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 290 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 218 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 211 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 531 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 398 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 259 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 293 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 289 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 281 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 262 July 17, 2011
by codenamejupiterx
avr macpack 3 233 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 468 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 456 July 13, 2011
by BobaMosfet
Battery clip wires 3 273 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 250 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 226 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 302 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 914 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 620 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 267 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 330 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 737 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 506 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 471 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 455 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 558 June 06, 2011
by mja
A couple of questions 3 336 June 06, 2011
by Ralphxyz
LED Sign Help - How to control words 16 814 June 04, 2011
by Rick_S
How much should I strip? 3 336 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 465 June 01, 2011
by hevans
Motor Control/MCU power bus 5 448 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 556 May 29, 2011
by Rick_S
Digital Input Question 4 429 May 28, 2011
by frankdwest
PCB arrived 20 562 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 597 May 24, 2011
by gcharris
Using Usbasp for attiny25 31 1576 May 21, 2011
by Rick_S
Calculating bypass capacitor 6 740 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 746 May 09, 2011
by Noter
IR current 6 534 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 903 May 04, 2011
by hariharan
Heat sensors 21 674 May 04, 2011
by Hexorg
Why pick a crystal frequency of 14.7456 MHz? 14 4211 May 03, 2011
by Noter
error 1 2 473 May 02, 2011
by hevans
Transistor vs mosfet 13 830 May 01, 2011
by Noter
PCB trace width calculator 3 743 April 24, 2011
by esoderberg
OLED display 10 728 April 23, 2011
by Rick_S
Power Supplies 17 1349 April 22, 2011
by BobBolinger
LCD & battery&USB 4 409 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 537 April 21, 2011
by Rick_S
ADC Theremin Help... 1 375 April 20, 2011
by jasongillikin
RF and oscoliscope 2 587 April 19, 2011
by mongo
Connecting to external control voltages 4 511 April 19, 2011
by bretm
IR current question 7 466 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 673 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 518 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 505 April 10, 2011
by uml_12
Basic projects 3 540 April 09, 2011
by mongo
REFLOW oven 22 1022 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 1139 April 07, 2011
by bretm
unexpected MCU rebooting 82 1121 April 05, 2011
by sask55
REFLOW Soldering 3 597 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 552 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 895 March 30, 2011
by bretm
Black Display on LCD 6 574 March 28, 2011
by Druidman
32kHz clock 2 549 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 1761 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 1862 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 971 March 16, 2011
by mongo
LCD problem 3 552 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 768 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 835 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 587 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 914 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 649 February 26, 2011
by amartinez
Why does my led light without the battery? 2 715 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 993 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 901 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 647 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 904 February 19, 2011
by Lusitania
My first Impression 6 823 February 16, 2011
by devinsbusiness
Understanding battery life 3 1199 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 1299 February 13, 2011
by sask55
Using Devices With Different Voltages 11 707 February 05, 2011
by BobaMosfet
High voltage lines 26 1265 February 02, 2011
by mongo
USB 3 549 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 972 February 02, 2011
by Jalex
Alternating LED circuit 4 896 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 971 January 31, 2011
by il1019
Affordable oscilloscopes 43 4562 January 27, 2011
by BStory
"And"gate unfinished thought 2 540 January 27, 2011
by Hexorg
replace MCU? 30 2770 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 829 January 25, 2011
by Ralphxyz
Multimeter! 12 2113 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 985 January 25, 2011
by Jalex
My LED Cube so far 25 1969 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 832 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 680 January 18, 2011
by dgikuljot
Counting 5 487 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 1169 January 17, 2011
by bretm
Programming 5 728 January 14, 2011
by Ralphxyz
Induction loop actuator 7 868 January 11, 2011
by Yourself
Begining 7 854 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 996 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 912 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 491 January 09, 2011
by mrobbins
UART operating at 3.3V 1 656 January 06, 2011
by Mujda
Data input voltage 6 820 January 03, 2011
by Rick_S
MOSFET Question 7 785 December 31, 2010
by Keyster
Transistor as a switch 5 785 December 29, 2010
by Hexorg
Resistors 5 1415 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 1533 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 771 December 28, 2010
by BobaMosfet
Relay ratings 2 605 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 4975 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 705 December 17, 2010
by mongo
Power Rectifier 7 852 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 1161 December 14, 2010
by danuke
This a decent oscilloscope? 8 1124 December 14, 2010
by danuke
Do resistors in series really add up? 8 1114 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 887 December 09, 2010
by bretm
L293 H-Bridge 15 1119 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 993 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 994 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 833 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 883 November 24, 2010
by BobaMosfet
Op-amp not working 6 806 November 24, 2010
by BobaMosfet
Python questions 4 907 November 21, 2010
by tkopriva
CE Amp design 5 745 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 948 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 720 November 05, 2010
by Mujda
PC4 not working?! 8 600 November 04, 2010
by hapshetsut
Amplifiers 4 720 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 966 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 1038 October 04, 2010
by Scythium
radio interference from NerdKit 11 826 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 1363 September 14, 2010
by Ralphxyz
solar project with light sensors 7 1023 September 11, 2010
by akajester
QFP and dreadboard 2 890 September 02, 2010
by bretm
Getting power to the spinning part... 5 941 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 1862 August 30, 2010
by Ralphxyz
morse code decoder 2 1156 August 26, 2010
by jonathan_m
Connecting to Computer 3 1193 August 25, 2010
by awesome
555 astable on breadboard 12 1643 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 718 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1036 August 19, 2010
by hevans
mosfet 3 780 August 13, 2010
by hevans
Good material on learning electronics. 8 926 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 666 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 1032 August 02, 2010
by mrobbins
More batteries = more voltage? 3 968 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 1703 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 1351 July 02, 2010
by mongo
Electro Cardio Gram 4 998 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 766 June 12, 2010
by Wobbler
Voltage Regulator 20 1121 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 1251 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 982 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 1146 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 826 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 701 June 06, 2010
by Kafke
TSSOP IC! 4 853 June 03, 2010
by mrobbins
AVcc 2 1029 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 822 May 31, 2010
by hevans
Cable Driver 2 701 May 31, 2010
by mongo
Best 9V adapter to use 2 780 May 28, 2010
by mongo
Unidirectional microphones 5 937 May 27, 2010
by mongo
Servo question 3 760 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 983 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 769 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 1184 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 1478 May 21, 2010
by hevans
Chinese Solenoid 15 858 May 10, 2010
by treymd
avrisp mkii circuit 4 1456 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 853 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 1006 May 07, 2010
by rajabalu21
Simple Power Switch 6 749 May 05, 2010
by avicell
I can haz speed! 3 775 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 1150 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 1142 April 21, 2010
by bretm
Help with choosing the right resistor 10 857 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 1261 April 15, 2010
by bretm
Resistor 4 745 April 15, 2010
by mongo
MCU digital input pins 3 649 April 15, 2010
by CyberGod
Ignition Coil Driver 15 6301 April 13, 2010
by BobaMosfet
The Complete Electronics Guide 1 983 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 3038 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 1912 March 28, 2010
by carlhako
Laptop ground safety question 3 920 March 27, 2010
by ese
LM34 R-C Damper 5 895 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1021 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 768 March 23, 2010
by treymd
Clock Accuracy 29 2170 March 23, 2010
by carlhako
Stepper Motor - Stepping Stone 19 1476 March 23, 2010
by ese
constant system reset 3 758 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 911 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 1222 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 1064 March 17, 2010
by Frozenlock
What is -VS? 6 905 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 1817 March 04, 2010
by treymd
Using MCU to connect two wires 3 931 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 2342 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 837 March 02, 2010
by Solorbob
Deciphering power resistors 11 825 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 853 March 01, 2010
by nrotstan
Understanding LEDs 16 1658 March 01, 2010
by michaeldallas
Relay Question 11 1097 February 27, 2010
by mongo
What's the part I need? 5 722 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 3109 February 23, 2010
by rajabalu21
Too much power? 14 1353 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 1861 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1004 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 2123 February 18, 2010
by Rick_S
Serial port interface circuit 2 1340 February 17, 2010
by mongo
OBDII project 3 902 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 1364 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 1654 February 13, 2010
by BobaMosfet
Digital pots 5 913 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1105 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 1423 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 1127 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 1634 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1027 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 1439 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 2607 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 1104 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1006 December 27, 2009
by jgauthier
Servo Signal Noise 2 831 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 2319 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 2373 December 10, 2009
by georgio
Relays and transistors 12 3651 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 2520 December 09, 2009
by Rick_S
IR Detector 7 1365 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 1367 November 19, 2009
by mikedoug
Debug with lcd 6 1206 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 1257 November 15, 2009
by tech20
Understanding output pin characteristics 4 1003 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 2073 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1139 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 7645 October 30, 2009
by BobaMosfet
DIY header unit 2 1373 October 10, 2009
by rusirius
Thermostat Logging 6 1395 October 09, 2009
by luke
Understanding transistors 6 1870 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 3915 October 07, 2009
by mikedoug
Currant booster 3 933 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 1194 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 2439 August 27, 2009
by hevans
Which LED? 14 1422 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 1774 August 07, 2009
by mongo
pull up, pull down resistors 7 6516 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 2712 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 2275 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 2052 July 07, 2009
by sector0
Reset switch for circuit 3 1231 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 15622 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 1247 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 1187 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 1285 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 1548 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1202 May 06, 2009
by paulip

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