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Basic Electronics

NerdKits » Forums » Basic Electronics (446 threads, 3842 posts)
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My new 3D Printer 6 2377 June 17, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 329 June 02, 2014
by JKITSON
Automated programming mode? 9 558 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 436 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 173 January 28, 2014
by lailai
What kind of error is this? 4 264 January 23, 2014
by Noter
How to double a DC voltage? 20 1837 January 12, 2014
by JKITSON
Is the code the driver? 2 236 January 12, 2014
by Ralphxyz
Miniature headers 6 419 January 01, 2014
by Ralphxyz
BLDC 8 381 December 23, 2013
by esoderberg
I need help finding a terminal. 17 747 November 26, 2013
by Rick_S
GLCD SPI problems 14 957 November 10, 2013
by andyi
Moving on... 7 547 November 08, 2013
by Pr0ject
Power supply questions 4 649 October 31, 2013
by sask55
OLED 4 410 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 1421 September 22, 2013
by sask55
Opto Interrupter once again 14 874 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 418 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 2019 September 02, 2013
by Ralphxyz
USB cable specifications 7 524 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 514 August 27, 2013
by Affarram
XMEGA Breakout 8 562 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 362 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 497 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 564 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 3973 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 3107 June 18, 2013
by Noter
Two Wrongs Make it Right 3 529 May 22, 2013
by meltbox360
accurate time for a real time clock 5 712 April 08, 2013
by pcbolt
Using diode to drop voltage 12 9443 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 402 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 578 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 744 March 14, 2013
by mongo
Current vs Voltage 8 842 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 619 March 09, 2013
by lnino
Electric current 2 427 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 1311 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 932 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 959 February 28, 2013
by BobaMosfet
Control electronic door opener 15 680 February 24, 2013
by lnino
Relay Question 27 2555 February 19, 2013
by Noter
Rotary Encoder how to?? 21 1251 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 685 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 906 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 720 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 754 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1061 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 751 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 979 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 570 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 568 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 595 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 2816 November 18, 2012
by carlhako
SPI slave clock 6 721 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 663 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 10512 October 23, 2012
by Noter
NPN circuit connection quandry 4 824 September 24, 2012
by edb
Simple I/O circuit 4 722 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 490 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 449 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1416 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 764 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 1657 September 13, 2012
by dan_engbers
Electronics simulation 8 909 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2118 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 718 August 20, 2012
by rblalock
louder sound 2 527 August 18, 2012
by mongo
connector or cable for LCD display? 4 730 August 13, 2012
by missle3944
Powering L.E.Ds 5 688 August 09, 2012
by BobaMosfet
Wires in U.K 5 742 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 812 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 1812 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 1757 July 25, 2012
by bretm
Stepper Motor Direction Control 12 993 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 9347 July 21, 2012
by lnino
um help 6 547 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 818 July 18, 2012
by Ralphxyz
help me 11 881 July 03, 2012
by Rick_S
Crystal Oscillator question 2 689 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 907 June 24, 2012
by Ralphxyz
HELP 3 604 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 5275 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 585 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1121 June 17, 2012
by RogerFL
Programmable current source 6 1054 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 947 June 11, 2012
by mongo
HELP 6 682 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 917 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 6246 May 24, 2012
by Ralphxyz
i need a code 8 990 May 15, 2012
by pcbolt
Clock Accuracy 30 3659 May 14, 2012
by HexManiac
Relays and Controlling them 9 889 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1037 May 09, 2012
by RogerFL
Powering your NerdKit 7 833 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 766 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1105 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 909 April 24, 2012
by pcbolt
Programs will not run 6 799 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1019 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 877 April 09, 2012
by Ralphxyz
Path Lights controller 2 751 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 833 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 968 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 915 April 01, 2012
by JamesFysh
Question on LCD screen 5 824 March 30, 2012
by billtaichi
Is this Capaciator Good 4 781 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 807 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1383 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 1656 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 903 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 830 March 15, 2012
by mongo
Digital servo issues! 9 1061 March 15, 2012
by Rick_S
Brushless motor control 16 1286 March 12, 2012
by hevans
Windows not detecting device 3 789 March 10, 2012
by hevans
Voltage throught MCU 5 684 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 10424 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 2025 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 2260 March 01, 2012
by hevans
Up and running... 3 670 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 844 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 922 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 773 February 24, 2012
by Rick_S
programming lcd trubs 7 891 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1184 February 18, 2012
by Rick_S
Oscilloscope 15 1753 February 18, 2012
by Osarus
How far away can a LM34 be? 16 3791 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 1826 February 14, 2012
by Ralphxyz
It's true, we forget... 18 991 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 2682 February 09, 2012
by mongo
Data transmission 3 1360 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1081 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 1630 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 857 February 03, 2012
by BobaMosfet
connencting two ics to port 3 722 January 31, 2012
by tchilzer2
H bridge questions 6 953 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 998 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1141 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1132 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 2065 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1113 January 15, 2012
by Rick_S
Source of power? 19 1129 January 13, 2012
by mongo
symbol defined please? 4 1166 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 5130 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 929 January 06, 2012
by boxvic
Basic LED circuit properties 8 992 January 06, 2012
by boxvic
Getting Started 3 912 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1214 January 02, 2012
by bodangly
SMD reflow 16 1399 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 964 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1265 December 23, 2011
by BobaMosfet
Potentiometer 8 1393 December 23, 2011
by huzbum
Fun with Op-Amps 3 1561 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1156 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 946 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1072 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 787 November 27, 2011
by sazD
Initial Load 2 1027 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1187 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 1769 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1130 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 3739 November 10, 2011
by jfbrink
Servo Squitter Project 13 1032 November 09, 2011
by Heed
how do i run a program 4 826 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 925 November 07, 2011
by Heed
Motor control question 2 902 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2141 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1065 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 899 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 14373 October 24, 2011
by glendon
Measuring Capacitance 9 1770 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1029 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1483 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 5410 October 16, 2011
by sask55
RxD / TxD Questions 10 1989 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1106 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1116 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 824 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 911 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 3255 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1563 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 12936 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 1645 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 931 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 2063 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 3522 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 3573 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1113 September 01, 2011
by BobaMosfet
Dim LED 3 942 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1101 August 23, 2011
by Twarter369
Easy Transistor Question 4 1329 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 1777 August 18, 2011
by Ralphxyz
Building a coil?? 12 1954 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1186 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 947 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 774 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 768 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 5777 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1446 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 955 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 947 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 941 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 1936 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 949 July 17, 2011
by codenamejupiterx
avr macpack 3 880 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1092 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1089 July 13, 2011
by BobaMosfet
Battery clip wires 3 881 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 757 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 806 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1009 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1440 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 4505 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 988 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1037 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2038 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1236 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1123 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1143 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1264 June 06, 2011
by mja
A couple of questions 3 879 June 06, 2011
by Ralphxyz
How much should I strip? 3 891 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1278 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1013 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1306 May 29, 2011
by Rick_S
Digital Input Question 4 991 May 28, 2011
by frankdwest
PCB arrived 20 1097 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1453 May 24, 2011
by gcharris
Calculating bypass capacitor 6 4821 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1482 May 09, 2011
by Noter
IR current 6 1325 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 1705 May 04, 2011
by hariharan
Heat sensors 21 1671 May 04, 2011
by Hexorg
error 1 2 1094 May 02, 2011
by hevans
Transistor vs mosfet 13 3968 May 01, 2011
by Noter
PCB trace width calculator 3 1939 April 24, 2011
by esoderberg
OLED display 10 1398 April 23, 2011
by Rick_S
Power Supplies 17 2318 April 22, 2011
by BobBolinger
LCD & battery&USB 4 886 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1213 April 21, 2011
by Rick_S
ADC Theremin Help... 1 997 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1334 April 19, 2011
by mongo
Connecting to external control voltages 4 1181 April 19, 2011
by bretm
IR current question 7 1038 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1521 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1270 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1198 April 10, 2011
by uml_12
Basic projects 3 1133 April 09, 2011
by mongo
REFLOW oven 22 2569 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 4207 April 07, 2011
by bretm
unexpected MCU rebooting 82 2331 April 05, 2011
by sask55
REFLOW Soldering 3 1373 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1253 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 2515 March 30, 2011
by bretm
Black Display on LCD 6 1238 March 28, 2011
by Druidman
32kHz clock 2 1205 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 4033 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4058 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2070 March 16, 2011
by mongo
LCD problem 3 1173 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1663 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 1800 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1173 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2091 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1443 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1635 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 4298 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 2741 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2294 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 2571 February 19, 2011
by Lusitania
My first Impression 6 1310 February 16, 2011
by devinsbusiness
Understanding battery life 3 2066 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2090 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1560 February 05, 2011
by BobaMosfet
High voltage lines 26 2457 February 02, 2011
by mongo
USB 3 1141 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1654 February 02, 2011
by Jalex
Alternating LED circuit 4 1654 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2039 January 31, 2011
by il1019
Affordable oscilloscopes 43 7626 January 27, 2011
by BStory
"And"gate unfinished thought 2 1043 January 27, 2011
by Hexorg
replace MCU? 30 4691 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1554 January 25, 2011
by Ralphxyz
Multimeter! 12 3089 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2025 January 25, 2011
by Jalex
My LED Cube so far 25 4730 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 1888 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1454 January 18, 2011
by dgikuljot
Counting 5 964 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 3346 January 17, 2011
by bretm
Programming 5 1491 January 14, 2011
by Ralphxyz
Induction loop actuator 7 1883 January 11, 2011
by Yourself
Begining 7 1625 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 1888 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1762 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1089 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1500 January 06, 2011
by Mujda
Data input voltage 6 1711 January 03, 2011
by Rick_S
MOSFET Question 7 1629 December 31, 2010
by Keyster
Transistor as a switch 5 1485 December 29, 2010
by Hexorg
Resistors 5 1962 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 4460 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1492 December 28, 2010
by BobaMosfet
Relay ratings 2 1284 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 10652 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1318 December 17, 2010
by mongo
Power Rectifier 7 1482 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2446 December 14, 2010
by danuke
This a decent oscilloscope? 8 1711 December 14, 2010
by danuke
Do resistors in series really add up? 8 2201 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 1789 December 09, 2010
by bretm
L293 H-Bridge 15 2256 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2193 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2424 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 1893 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2045 November 24, 2010
by BobaMosfet
Op-amp not working 6 2085 November 24, 2010
by BobaMosfet
Python questions 4 2068 November 21, 2010
by tkopriva
CE Amp design 5 1364 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1705 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1337 November 05, 2010
by Mujda
PC4 not working?! 8 1055 November 04, 2010
by hapshetsut
Amplifiers 4 1339 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 1866 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2031 October 04, 2010
by Scythium
radio interference from NerdKit 11 1329 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 3133 September 14, 2010
by Ralphxyz
solar project with light sensors 7 1843 September 11, 2010
by akajester
QFP and dreadboard 2 1524 September 02, 2010
by bretm
Getting power to the spinning part... 5 1710 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 4618 August 30, 2010
by Ralphxyz
morse code decoder 2 1995 August 26, 2010
by jonathan_m
Connecting to Computer 3 1814 August 25, 2010
by awesome
555 astable on breadboard 12 2840 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1358 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1803 August 19, 2010
by hevans
mosfet 3 1375 August 13, 2010
by hevans
Good material on learning electronics. 8 1489 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1195 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 1930 August 02, 2010
by mrobbins
More batteries = more voltage? 3 1890 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 3683 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2258 July 02, 2010
by mongo
Electro Cardio Gram 4 1896 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1291 June 12, 2010
by Wobbler
Voltage Regulator 20 2224 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2374 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2258 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2271 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1619 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1217 June 06, 2010
by Kafke
TSSOP IC! 4 1636 June 03, 2010
by mrobbins
AVcc 2 1949 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1466 May 31, 2010
by hevans
Cable Driver 2 1220 May 31, 2010
by mongo
Best 9V adapter to use 2 1445 May 28, 2010
by mongo
Unidirectional microphones 5 1654 May 27, 2010
by mongo
Servo question 3 1380 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1650 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1408 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2214 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 3880 May 21, 2010
by hevans
Chinese Solenoid 15 1552 May 10, 2010
by treymd
avrisp mkii circuit 4 2550 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1505 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 2988 May 07, 2010
by rajabalu21
Simple Power Switch 6 1203 May 05, 2010
by avicell
I can haz speed! 3 1451 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2455 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2053 April 21, 2010
by bretm
Help with choosing the right resistor 10 2185 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 2839 April 15, 2010
by bretm
Resistor 4 1236 April 15, 2010
by mongo
MCU digital input pins 3 1107 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1656 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 5402 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 2977 March 28, 2010
by carlhako
Laptop ground safety question 3 1605 March 27, 2010
by ese
LM34 R-C Damper 5 1821 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1638 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1301 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2598 March 23, 2010
by ese
constant system reset 3 1211 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1506 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2199 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 1997 March 17, 2010
by Frozenlock
What is -VS? 6 1755 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 2969 March 04, 2010
by treymd
Using MCU to connect two wires 3 1626 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 3987 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1444 March 02, 2010
by Solorbob
Deciphering power resistors 11 1547 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1416 March 01, 2010
by nrotstan
Understanding LEDs 16 2674 March 01, 2010
by michaeldallas
What's the part I need? 5 1364 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 5848 February 23, 2010
by rajabalu21
Too much power? 14 2006 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2580 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1761 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 4731 February 18, 2010
by Rick_S
Serial port interface circuit 2 2234 February 17, 2010
by mongo
OBDII project 3 1487 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 2497 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 2966 February 13, 2010
by BobaMosfet
Digital pots 5 1498 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1653 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2525 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2101 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 2930 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1762 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 2619 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4245 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2015 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1568 December 27, 2009
by jgauthier
Servo Signal Noise 2 1318 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3447 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 5713 December 10, 2009
by georgio
Relays and transistors 12 5224 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 3905 December 09, 2009
by Rick_S
IR Detector 7 2445 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2102 November 19, 2009
by mikedoug
Debug with lcd 6 1925 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 1902 November 15, 2009
by tech20
Understanding output pin characteristics 4 1525 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3159 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1829 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 23474 October 30, 2009
by BobaMosfet
DIY header unit 2 2134 October 10, 2009
by rusirius
Thermostat Logging 6 2394 October 09, 2009
by luke
Understanding transistors 6 2931 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 5850 October 07, 2009
by mikedoug
Currant booster 3 1375 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 1978 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 5145 August 27, 2009
by hevans
Which LED? 14 1998 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2681 August 07, 2009
by mongo
pull up, pull down resistors 7 12136 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 5257 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3299 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 2891 July 07, 2009
by sector0
Reset switch for circuit 3 1807 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 23864 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2039 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 1838 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 1868 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2420 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1759 May 06, 2009
by paulip

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