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Basic Electronics

NerdKits » Forums » Basic Electronics (450 threads, 3898 posts)
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Connecting Mosfet 10 631 April 10, 2015
by Noter
My new 3D Printer 44 14418 April 07, 2015
by Rick_S
Would someone explain Proximity Sensor? 4 722 February 23, 2015
by JKITSON
AtMega 644 2 1021 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 401 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 591 June 02, 2014
by JKITSON
Automated programming mode? 9 844 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 721 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 398 January 28, 2014
by lailai
What kind of error is this? 4 551 January 23, 2014
by Noter
How to double a DC voltage? 20 3148 January 12, 2014
by JKITSON
Is the code the driver? 2 442 January 12, 2014
by Ralphxyz
Miniature headers 6 671 January 01, 2014
by Ralphxyz
BLDC 8 583 December 23, 2013
by esoderberg
I need help finding a terminal. 17 998 November 26, 2013
by Rick_S
GLCD SPI problems 14 1665 November 10, 2013
by andyi
Moving on... 7 791 November 08, 2013
by Pr0ject
Power supply questions 4 985 October 31, 2013
by sask55
OLED 4 632 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 2535 September 22, 2013
by sask55
Opto Interrupter once again 14 1539 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 705 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 3279 September 02, 2013
by Ralphxyz
USB cable specifications 7 789 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 771 August 27, 2013
by Affarram
XMEGA Breakout 8 858 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 546 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 818 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 823 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 4420 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 4445 June 18, 2013
by Noter
Two Wrongs Make it Right 3 694 May 22, 2013
by meltbox360
accurate time for a real time clock 5 924 April 08, 2013
by pcbolt
Using diode to drop voltage 12 16145 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 561 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 756 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 1352 March 14, 2013
by mongo
Current vs Voltage 8 1131 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 944 March 09, 2013
by lnino
Electric current 2 595 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 2081 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 1442 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 1393 February 28, 2013
by BobaMosfet
Control electronic door opener 15 931 February 24, 2013
by lnino
Relay Question 27 2978 February 19, 2013
by Noter
Rotary Encoder how to?? 21 1800 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1010 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1252 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 966 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 960 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1260 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 962 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1302 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 752 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 724 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 753 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 3708 November 18, 2012
by carlhako
SPI slave clock 6 978 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 794 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 12433 October 23, 2012
by Noter
NPN circuit connection quandry 4 1051 September 24, 2012
by edb
Simple I/O circuit 4 899 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 653 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 596 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1766 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 937 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 2127 September 13, 2012
by dan_engbers
Electronics simulation 8 1181 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2553 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 886 August 20, 2012
by rblalock
louder sound 2 718 August 18, 2012
by mongo
connector or cable for LCD display? 4 888 August 13, 2012
by missle3944
Powering L.E.Ds 5 889 August 09, 2012
by BobaMosfet
Wires in U.K 5 972 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 992 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 2199 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 2396 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1211 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 11951 July 21, 2012
by lnino
um help 6 690 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1013 July 18, 2012
by Ralphxyz
help me 11 1109 July 03, 2012
by Rick_S
Crystal Oscillator question 2 821 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1248 June 24, 2012
by Ralphxyz
HELP 3 753 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 6972 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 762 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1446 June 17, 2012
by RogerFL
Programmable current source 6 1358 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1214 June 11, 2012
by mongo
HELP 6 863 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1104 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 9860 May 24, 2012
by Ralphxyz
i need a code 8 1184 May 15, 2012
by pcbolt
Clock Accuracy 30 4037 May 14, 2012
by HexManiac
Relays and Controlling them 9 1097 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1316 May 09, 2012
by RogerFL
Powering your NerdKit 7 1026 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 945 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1487 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1117 April 24, 2012
by pcbolt
Programs will not run 6 999 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1242 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1081 April 09, 2012
by Ralphxyz
Path Lights controller 2 918 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1033 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1208 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1087 April 01, 2012
by JamesFysh
Question on LCD screen 5 994 March 30, 2012
by billtaichi
Is this Capaciator Good 4 981 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2055 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1591 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 2167 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1121 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1084 March 15, 2012
by mongo
Digital servo issues! 9 1307 March 15, 2012
by Rick_S
Brushless motor control 16 1628 March 12, 2012
by hevans
Windows not detecting device 3 943 March 10, 2012
by hevans
Voltage throught MCU 5 853 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 12474 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 2800 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 3253 March 01, 2012
by hevans
Up and running... 3 810 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1067 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1374 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 971 February 24, 2012
by Rick_S
programming lcd trubs 7 1020 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1483 February 18, 2012
by Rick_S
Oscilloscope 15 2115 February 18, 2012
by Osarus
How far away can a LM34 be? 16 4428 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2055 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1167 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 3297 February 09, 2012
by mongo
Data transmission 3 1521 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1314 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2009 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1024 February 03, 2012
by BobaMosfet
connencting two ics to port 3 865 January 31, 2012
by tchilzer2
H bridge questions 6 1144 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1170 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1306 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1327 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 2726 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1284 January 15, 2012
by Rick_S
Source of power? 19 1280 January 13, 2012
by mongo
symbol defined please? 4 1398 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 6825 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1090 January 06, 2012
by boxvic
Basic LED circuit properties 8 1222 January 06, 2012
by boxvic
Getting Started 3 1076 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1448 January 02, 2012
by bodangly
SMD reflow 16 1700 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1130 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1462 December 23, 2011
by BobaMosfet
Potentiometer 8 1614 December 23, 2011
by huzbum
Fun with Op-Amps 3 1889 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1374 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1163 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1299 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 951 November 27, 2011
by sazD
Initial Load 2 1249 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1414 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2124 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1388 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4181 November 10, 2011
by jfbrink
Servo Squitter Project 13 1211 November 09, 2011
by Heed
how do i run a program 4 1016 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1113 November 07, 2011
by Heed
Motor control question 2 1051 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2718 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1222 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1105 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 22462 October 24, 2011
by glendon
Measuring Capacitance 9 2058 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1253 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1802 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 7401 October 16, 2011
by sask55
RxD / TxD Questions 10 2447 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1321 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1283 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 986 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1076 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 4235 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1969 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 16132 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 2266 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1086 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 2717 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 4578 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 4098 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1302 September 01, 2011
by BobaMosfet
Dim LED 3 1092 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1318 August 23, 2011
by Twarter369
Easy Transistor Question 4 1527 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2170 August 18, 2011
by Ralphxyz
Building a coil?? 12 2307 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1349 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1144 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 917 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 921 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 7495 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1667 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1135 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1164 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1133 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2338 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1101 July 17, 2011
by codenamejupiterx
avr macpack 3 1050 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1260 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1233 July 13, 2011
by BobaMosfet
Battery clip wires 3 1028 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 922 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 961 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1230 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1635 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 5937 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1214 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1203 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2401 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1409 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1342 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1308 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1438 June 06, 2011
by mja
A couple of questions 3 1054 June 06, 2011
by Ralphxyz
How much should I strip? 3 1041 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1475 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1168 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1487 May 29, 2011
by Rick_S
Digital Input Question 4 1160 May 28, 2011
by frankdwest
PCB arrived 20 1250 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1693 May 24, 2011
by gcharris
Calculating bypass capacitor 6 6794 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1731 May 09, 2011
by Noter
IR current 6 1518 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2040 May 04, 2011
by hariharan
Heat sensors 21 1935 May 04, 2011
by Hexorg
error 1 2 1226 May 02, 2011
by hevans
Transistor vs mosfet 13 4971 May 01, 2011
by Noter
PCB trace width calculator 3 2186 April 24, 2011
by esoderberg
OLED display 10 1598 April 23, 2011
by Rick_S
Power Supplies 17 2571 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1057 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1429 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1144 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1531 April 19, 2011
by mongo
Connecting to external control voltages 4 1359 April 19, 2011
by bretm
IR current question 7 1212 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1747 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1565 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1417 April 10, 2011
by uml_12
Basic projects 3 1301 April 09, 2011
by mongo
REFLOW oven 22 2974 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 5091 April 07, 2011
by bretm
unexpected MCU rebooting 82 2719 April 05, 2011
by sask55
REFLOW Soldering 3 1629 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1445 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 2899 March 30, 2011
by bretm
Black Display on LCD 6 1420 March 28, 2011
by Druidman
32kHz clock 2 1366 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 4798 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4506 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2386 March 16, 2011
by mongo
LCD problem 3 1340 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1939 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2002 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1331 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2500 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1714 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1896 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 5443 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 3313 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2531 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 3378 February 19, 2011
by Lusitania
My first Impression 6 1493 February 16, 2011
by devinsbusiness
Understanding battery life 3 2345 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2329 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1787 February 05, 2011
by BobaMosfet
High voltage lines 26 2848 February 02, 2011
by mongo
USB 3 1333 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1891 February 02, 2011
by Jalex
Alternating LED circuit 4 1858 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2416 January 31, 2011
by il1019
Affordable oscilloscopes 43 8191 January 27, 2011
by BStory
"And"gate unfinished thought 2 1225 January 27, 2011
by Hexorg
replace MCU? 30 5102 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1763 January 25, 2011
by Ralphxyz
Multimeter! 12 3327 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2293 January 25, 2011
by Jalex
My LED Cube so far 25 5414 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2132 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1695 January 18, 2011
by dgikuljot
Counting 5 1133 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 3805 January 17, 2011
by bretm
Programming 5 1694 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2085 January 11, 2011
by Yourself
Begining 7 1809 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2193 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1980 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1309 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1691 January 06, 2011
by Mujda
Data input voltage 6 1941 January 03, 2011
by Rick_S
MOSFET Question 7 1862 December 31, 2010
by Keyster
Transistor as a switch 5 1685 December 29, 2010
by Hexorg
Resistors 5 2174 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 5119 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1766 December 28, 2010
by BobaMosfet
Relay ratings 2 1485 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 12139 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1505 December 17, 2010
by mongo
Power Rectifier 7 1664 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2784 December 14, 2010
by danuke
This a decent oscilloscope? 8 1919 December 14, 2010
by danuke
Do resistors in series really add up? 8 2527 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2055 December 09, 2010
by bretm
L293 H-Bridge 15 2561 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2454 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2817 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2162 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2370 November 24, 2010
by BobaMosfet
Op-amp not working 6 2446 November 24, 2010
by BobaMosfet
Python questions 4 2325 November 21, 2010
by tkopriva
CE Amp design 5 1544 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1901 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1520 November 05, 2010
by Mujda
PC4 not working?! 8 1208 November 04, 2010
by hapshetsut
Amplifiers 4 1537 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2126 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2291 October 04, 2010
by Scythium
radio interference from NerdKit 11 1512 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 3755 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2047 September 11, 2010
by akajester
QFP and dreadboard 2 1744 September 02, 2010
by bretm
Getting power to the spinning part... 5 1936 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 5545 August 30, 2010
by Ralphxyz
morse code decoder 2 2236 August 26, 2010
by jonathan_m
Connecting to Computer 3 2007 August 25, 2010
by awesome
555 astable on breadboard 12 3158 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1549 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1995 August 19, 2010
by hevans
mosfet 3 1568 August 13, 2010
by hevans
Good material on learning electronics. 8 1694 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1392 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2166 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2185 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 4395 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2655 July 02, 2010
by mongo
Electro Cardio Gram 4 2133 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1471 June 12, 2010
by Wobbler
Voltage Regulator 20 2549 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2614 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2592 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2548 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1832 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1419 June 06, 2010
by Kafke
TSSOP IC! 4 1823 June 03, 2010
by mrobbins
AVcc 2 2180 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1643 May 31, 2010
by hevans
Cable Driver 2 1388 May 31, 2010
by mongo
Best 9V adapter to use 2 1642 May 28, 2010
by mongo
Unidirectional microphones 5 1865 May 27, 2010
by mongo
Servo question 3 1579 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1866 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1666 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2546 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 4535 May 21, 2010
by hevans
Chinese Solenoid 15 1739 May 10, 2010
by treymd
avrisp mkii circuit 4 2785 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1665 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 3819 May 07, 2010
by rajabalu21
Simple Power Switch 6 1386 May 05, 2010
by avicell
I can haz speed! 3 1661 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2737 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2277 April 21, 2010
by bretm
Help with choosing the right resistor 10 2572 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 3328 April 15, 2010
by bretm
Resistor 4 1408 April 15, 2010
by mongo
MCU digital input pins 3 1291 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1834 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 5973 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3235 March 28, 2010
by carlhako
Laptop ground safety question 3 1805 March 27, 2010
by ese
LM34 R-C Damper 5 2105 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1840 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1482 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2874 March 23, 2010
by ese
constant system reset 3 1376 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1751 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2483 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2209 March 17, 2010
by Frozenlock
What is -VS? 6 2172 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3237 March 04, 2010
by treymd
Using MCU to connect two wires 3 1827 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 4453 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1645 March 02, 2010
by Solorbob
Deciphering power resistors 11 1780 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1633 March 01, 2010
by nrotstan
Understanding LEDs 16 2963 March 01, 2010
by michaeldallas
What's the part I need? 5 1549 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 6675 February 23, 2010
by rajabalu21
Too much power? 14 2201 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2775 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2045 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 5698 February 18, 2010
by Rick_S
Serial port interface circuit 2 2463 February 17, 2010
by mongo
OBDII project 3 1676 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 2916 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3298 February 13, 2010
by BobaMosfet
Digital pots 5 1719 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1837 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2738 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2447 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3286 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1963 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3105 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4673 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2306 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1798 December 27, 2009
by jgauthier
Servo Signal Noise 2 1483 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3720 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 6581 December 10, 2009
by georgio
Relays and transistors 12 5541 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4312 December 09, 2009
by Rick_S
IR Detector 7 2863 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2353 November 19, 2009
by mikedoug
Debug with lcd 6 2150 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2060 November 15, 2009
by tech20
Understanding output pin characteristics 4 1738 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3411 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2035 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 26446 October 30, 2009
by BobaMosfet
DIY header unit 2 2318 October 10, 2009
by rusirius
Thermostat Logging 6 2747 October 09, 2009
by luke
Understanding transistors 6 3200 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6234 October 07, 2009
by mikedoug
Currant booster 3 1548 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2213 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 5916 August 27, 2009
by hevans
Which LED? 14 2182 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2933 August 07, 2009
by mongo
pull up, pull down resistors 7 12908 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 5967 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3567 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3140 July 07, 2009
by sector0
Reset switch for circuit 3 1997 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 24691 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2253 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2058 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2071 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2645 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1985 May 06, 2009
by paulip

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