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Basic Electronics

NerdKits » Forums » Basic Electronics (452 threads, 3932 posts)
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USBasp Help! 3 979 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 2891 May 04, 2015
by mongo
Need to replace Wall Watt 16 625 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1123 April 10, 2015
by Noter
My new 3D Printer 44 15028 April 07, 2015
by Rick_S
AtMega 644 2 1384 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 750 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 941 June 02, 2014
by JKITSON
Automated programming mode? 9 1208 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1092 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 746 January 28, 2014
by lailai
What kind of error is this? 4 951 January 23, 2014
by Noter
How to double a DC voltage? 20 4572 January 12, 2014
by JKITSON
Is the code the driver? 2 763 January 12, 2014
by Ralphxyz
Miniature headers 6 1043 January 01, 2014
by Ralphxyz
BLDC 8 961 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1387 November 26, 2013
by Rick_S
GLCD SPI problems 14 2617 November 10, 2013
by andyi
Moving on... 7 1174 November 08, 2013
by Pr0ject
Power supply questions 4 1387 October 31, 2013
by sask55
OLED 4 937 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 3900 September 22, 2013
by sask55
Opto Interrupter once again 14 2596 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1038 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 5127 September 02, 2013
by Ralphxyz
USB cable specifications 7 1108 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1188 August 27, 2013
by Affarram
XMEGA Breakout 8 1328 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 828 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1192 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1237 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5029 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 5977 June 18, 2013
by Noter
Two Wrongs Make it Right 3 975 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1287 April 08, 2013
by pcbolt
Using diode to drop voltage 12 25017 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 827 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1059 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2041 March 14, 2013
by mongo
Current vs Voltage 8 1554 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1387 March 09, 2013
by lnino
Electric current 2 880 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 2965 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 2247 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2111 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1265 February 24, 2013
by lnino
Relay Question 27 3599 February 19, 2013
by Noter
Rotary Encoder how to?? 21 2634 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1376 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1685 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1321 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1255 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1583 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1270 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1858 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1022 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1025 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1070 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 4696 November 18, 2012
by carlhako
SPI slave clock 6 1332 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1064 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 14584 October 23, 2012
by Noter
NPN circuit connection quandry 4 1409 September 24, 2012
by edb
Simple I/O circuit 4 1169 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 915 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 846 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2228 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1222 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 2797 September 13, 2012
by dan_engbers
Electronics simulation 8 1558 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2954 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1186 August 20, 2012
by rblalock
louder sound 2 990 August 18, 2012
by mongo
connector or cable for LCD display? 4 1144 August 13, 2012
by missle3944
Powering L.E.Ds 5 1191 August 09, 2012
by BobaMosfet
Wires in U.K 5 1282 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1335 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 2768 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3133 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1541 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 14089 July 21, 2012
by lnino
um help 6 967 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1323 July 18, 2012
by Ralphxyz
help me 11 1497 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1076 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1708 June 24, 2012
by Ralphxyz
HELP 3 1022 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 8259 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1015 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1897 June 17, 2012
by RogerFL
Programmable current source 6 1720 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1709 June 11, 2012
by mongo
HELP 6 1153 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1400 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 15357 May 24, 2012
by Ralphxyz
i need a code 8 1486 May 15, 2012
by pcbolt
Clock Accuracy 30 4547 May 14, 2012
by HexManiac
Relays and Controlling them 9 1399 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1686 May 09, 2012
by RogerFL
Powering your NerdKit 7 1328 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1241 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2060 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1399 April 24, 2012
by pcbolt
Programs will not run 6 1282 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1590 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1407 April 09, 2012
by Ralphxyz
Path Lights controller 2 1201 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1333 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1546 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1389 April 01, 2012
by JamesFysh
Question on LCD screen 5 1300 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1278 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2599 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1900 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 2918 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1389 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1499 March 15, 2012
by mongo
Digital servo issues! 9 1627 March 15, 2012
by Rick_S
Brushless motor control 16 1980 March 12, 2012
by hevans
Windows not detecting device 3 1204 March 10, 2012
by hevans
Voltage throught MCU 5 1145 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 13650 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 3765 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 4925 March 01, 2012
by hevans
Up and running... 3 1057 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1369 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1668 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1241 February 24, 2012
by Rick_S
programming lcd trubs 7 1277 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1789 February 18, 2012
by Rick_S
Oscilloscope 15 2673 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5080 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2349 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1435 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 3892 February 09, 2012
by mongo
Data transmission 3 1777 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1653 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2484 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1282 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1113 January 31, 2012
by tchilzer2
H bridge questions 6 1427 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1476 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1605 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1700 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 3475 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1571 January 15, 2012
by Rick_S
Source of power? 19 1553 January 13, 2012
by mongo
symbol defined please? 4 1687 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 8712 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1326 January 06, 2012
by boxvic
Basic LED circuit properties 8 1522 January 06, 2012
by boxvic
Getting Started 3 1326 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1875 January 02, 2012
by bodangly
SMD reflow 16 2084 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1374 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1795 December 23, 2011
by BobaMosfet
Potentiometer 8 1913 December 23, 2011
by huzbum
Fun with Op-Amps 3 2379 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1689 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1476 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1595 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1213 November 27, 2011
by sazD
Initial Load 2 1551 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1790 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2533 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1683 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4696 November 10, 2011
by jfbrink
Servo Squitter Project 13 1513 November 09, 2011
by Heed
how do i run a program 4 1263 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1352 November 07, 2011
by Heed
Motor control question 2 1297 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 3418 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1476 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1358 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 34185 October 24, 2011
by glendon
Measuring Capacitance 9 2462 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1523 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2290 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 9452 October 16, 2011
by sask55
RxD / TxD Questions 10 3040 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1599 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1537 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1270 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1324 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 5315 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2368 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 17752 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 3077 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1303 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 3611 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 5944 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 4656 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1594 September 01, 2011
by BobaMosfet
Dim LED 3 1329 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1648 August 23, 2011
by Twarter369
Easy Transistor Question 4 1877 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2666 August 18, 2011
by Ralphxyz
Building a coil?? 12 2735 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1604 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1387 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1151 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1153 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 10039 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2002 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1385 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1455 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1421 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2852 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1340 July 17, 2011
by codenamejupiterx
avr macpack 3 1336 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1523 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1488 July 13, 2011
by BobaMosfet
Battery clip wires 3 1262 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1169 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1213 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1524 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1899 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 8064 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1504 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1434 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2751 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1681 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1623 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1539 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1692 June 06, 2011
by mja
A couple of questions 3 1317 June 06, 2011
by Ralphxyz
How much should I strip? 3 1265 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1736 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1405 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1732 May 29, 2011
by Rick_S
Digital Input Question 4 1431 May 28, 2011
by frankdwest
PCB arrived 20 1486 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2028 May 24, 2011
by gcharris
Calculating bypass capacitor 6 9754 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2003 May 09, 2011
by Noter
IR current 6 1788 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2349 May 04, 2011
by hariharan
Heat sensors 21 2293 May 04, 2011
by Hexorg
error 1 2 1453 May 02, 2011
by hevans
Transistor vs mosfet 13 6539 May 01, 2011
by Noter
PCB trace width calculator 3 2496 April 24, 2011
by esoderberg
OLED display 10 1901 April 23, 2011
by Rick_S
Power Supplies 17 2840 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1301 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1739 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1374 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1774 April 19, 2011
by mongo
Connecting to external control voltages 4 1608 April 19, 2011
by bretm
IR current question 7 1473 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2030 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1873 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1731 April 10, 2011
by uml_12
Basic projects 3 1529 April 09, 2011
by mongo
REFLOW oven 22 3451 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 6199 April 07, 2011
by bretm
unexpected MCU rebooting 82 3987 April 05, 2011
by sask55
REFLOW Soldering 3 1951 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1674 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3497 March 30, 2011
by bretm
Black Display on LCD 6 1684 March 28, 2011
by Druidman
32kHz clock 2 1584 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 5569 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5083 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2784 March 16, 2011
by mongo
LCD problem 3 1590 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2302 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2301 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1594 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2963 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2123 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2227 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 6885 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 3976 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2827 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 4244 February 19, 2011
by Lusitania
My first Impression 6 1739 February 16, 2011
by devinsbusiness
Understanding battery life 3 2706 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2622 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2089 February 05, 2011
by BobaMosfet
High voltage lines 26 3264 February 02, 2011
by mongo
USB 3 1582 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2258 February 02, 2011
by Jalex
Alternating LED circuit 4 2096 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2755 January 31, 2011
by il1019
Affordable oscilloscopes 43 8938 January 27, 2011
by BStory
"And"gate unfinished thought 2 1468 January 27, 2011
by Hexorg
replace MCU? 30 5536 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2037 January 25, 2011
by Ralphxyz
Multimeter! 12 3642 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2654 January 25, 2011
by Jalex
My LED Cube so far 25 6051 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2520 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1972 January 18, 2011
by dgikuljot
Counting 5 1357 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 4414 January 17, 2011
by bretm
Programming 5 1969 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2372 January 11, 2011
by Yourself
Begining 7 2061 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2543 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2290 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1566 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1943 January 06, 2011
by Mujda
Data input voltage 6 2212 January 03, 2011
by Rick_S
MOSFET Question 7 2153 December 31, 2010
by Keyster
Transistor as a switch 5 1927 December 29, 2010
by Hexorg
Resistors 5 2432 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 5887 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2110 December 28, 2010
by BobaMosfet
Relay ratings 2 1750 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 13544 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1731 December 17, 2010
by mongo
Power Rectifier 7 1959 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3170 December 14, 2010
by danuke
This a decent oscilloscope? 8 2177 December 14, 2010
by danuke
Do resistors in series really add up? 8 2956 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2351 December 09, 2010
by bretm
L293 H-Bridge 15 2895 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2784 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3239 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2478 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2832 November 24, 2010
by BobaMosfet
Op-amp not working 6 2957 November 24, 2010
by BobaMosfet
Python questions 4 2641 November 21, 2010
by tkopriva
CE Amp design 5 1776 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2149 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1783 November 05, 2010
by Mujda
PC4 not working?! 8 1467 November 04, 2010
by hapshetsut
Amplifiers 4 1790 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2456 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2548 October 04, 2010
by Scythium
radio interference from NerdKit 11 1749 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 4633 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2289 September 11, 2010
by akajester
QFP and dreadboard 2 2006 September 02, 2010
by bretm
Getting power to the spinning part... 5 2195 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 6830 August 30, 2010
by Ralphxyz
morse code decoder 2 2496 August 26, 2010
by jonathan_m
Connecting to Computer 3 2244 August 25, 2010
by awesome
555 astable on breadboard 12 3525 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1816 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2225 August 19, 2010
by hevans
mosfet 3 1801 August 13, 2010
by hevans
Good material on learning electronics. 8 1952 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1628 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2460 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2557 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5173 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2997 July 02, 2010
by mongo
Electro Cardio Gram 4 2425 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1703 June 12, 2010
by Wobbler
Voltage Regulator 20 2932 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2877 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2983 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2890 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2148 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1663 June 06, 2010
by Kafke
TSSOP IC! 4 2068 June 03, 2010
by mrobbins
AVcc 2 2438 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1863 May 31, 2010
by hevans
Cable Driver 2 1604 May 31, 2010
by mongo
Best 9V adapter to use 2 1887 May 28, 2010
by mongo
Unidirectional microphones 5 2103 May 27, 2010
by mongo
Servo question 3 1827 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2138 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1938 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2980 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 5263 May 21, 2010
by hevans
Chinese Solenoid 15 2009 May 10, 2010
by treymd
avrisp mkii circuit 4 3093 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1897 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 4771 May 07, 2010
by rajabalu21
Simple Power Switch 6 1674 May 05, 2010
by avicell
I can haz speed! 3 1931 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3065 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2551 April 21, 2010
by bretm
Help with choosing the right resistor 10 3014 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 3950 April 15, 2010
by bretm
Resistor 4 1623 April 15, 2010
by mongo
MCU digital input pins 3 1512 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2060 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 6651 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3536 March 28, 2010
by carlhako
Laptop ground safety question 3 2063 March 27, 2010
by ese
LM34 R-C Damper 5 2347 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2075 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1726 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3281 March 23, 2010
by ese
constant system reset 3 1586 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2035 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2774 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2473 March 17, 2010
by Frozenlock
What is -VS? 6 2671 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3519 March 04, 2010
by treymd
Using MCU to connect two wires 3 2082 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5007 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1867 March 02, 2010
by Solorbob
Deciphering power resistors 11 2107 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1865 March 01, 2010
by nrotstan
Understanding LEDs 16 3304 March 01, 2010
by michaeldallas
What's the part I need? 5 1811 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 7516 February 23, 2010
by rajabalu21
Too much power? 14 2491 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3072 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2377 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 6838 February 18, 2010
by Rick_S
Serial port interface circuit 2 2769 February 17, 2010
by mongo
OBDII project 3 1909 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 3413 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3740 February 13, 2010
by BobaMosfet
Digital pots 5 1982 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2073 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3078 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2910 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3781 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2228 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3534 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 5340 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2663 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2064 December 27, 2009
by jgauthier
Servo Signal Noise 2 1708 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4089 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 7520 December 10, 2009
by georgio
Relays and transistors 12 5919 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4703 December 09, 2009
by Rick_S
IR Detector 7 3394 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2599 November 19, 2009
by mikedoug
Debug with lcd 6 2423 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2284 November 15, 2009
by tech20
Understanding output pin characteristics 4 1996 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3746 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2287 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 30822 October 30, 2009
by BobaMosfet
DIY header unit 2 2579 October 10, 2009
by rusirius
Thermostat Logging 6 3129 October 09, 2009
by luke
Understanding transistors 6 3520 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6704 October 07, 2009
by mikedoug
Currant booster 3 1786 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2514 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 6879 August 27, 2009
by hevans
Which LED? 14 2440 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3259 August 07, 2009
by mongo
pull up, pull down resistors 7 13592 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 6645 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3951 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3510 July 07, 2009
by sector0
Reset switch for circuit 3 2252 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 25370 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2538 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2339 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2318 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2934 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2263 May 06, 2009
by paulip

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