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Basic Electronics

NerdKits » Forums » Basic Electronics (453 threads, 3939 posts)
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Turn Vac on when tool turns on 7 296 April 12, 2016
by Ralphxyz
USBasp Help! 3 1435 October 22, 2015
by sask55
Would someone explain Proximity Sensor? 19 3050 May 04, 2015
by mongo
Need to replace Wall Watt 16 747 May 02, 2015
by Ralphxyz
Connecting Mosfet 10 1234 April 10, 2015
by Noter
My new 3D Printer 44 15150 April 07, 2015
by Rick_S
AtMega 644 2 1481 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 839 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 1030 June 02, 2014
by JKITSON
Automated programming mode? 9 1311 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 1186 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 840 January 28, 2014
by lailai
What kind of error is this? 4 1094 January 23, 2014
by Noter
How to double a DC voltage? 20 4959 January 12, 2014
by JKITSON
Is the code the driver? 2 857 January 12, 2014
by Ralphxyz
Miniature headers 6 1146 January 01, 2014
by Ralphxyz
BLDC 8 1064 December 23, 2013
by esoderberg
I need help finding a terminal. 17 1483 November 26, 2013
by Rick_S
GLCD SPI problems 14 2933 November 10, 2013
by andyi
Moving on... 7 1277 November 08, 2013
by Pr0ject
Power supply questions 4 1495 October 31, 2013
by sask55
OLED 4 1009 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 4346 September 22, 2013
by sask55
Opto Interrupter once again 14 2861 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 1121 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 5475 September 02, 2013
by Ralphxyz
USB cable specifications 7 1211 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 1303 August 27, 2013
by Affarram
XMEGA Breakout 8 1439 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 909 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 1287 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 1343 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 5175 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 6384 June 18, 2013
by Noter
Two Wrongs Make it Right 3 1042 May 22, 2013
by meltbox360
accurate time for a real time clock 5 1374 April 08, 2013
by pcbolt
Using diode to drop voltage 12 27495 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 891 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 1134 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 2229 March 14, 2013
by mongo
Current vs Voltage 8 1666 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 1518 March 09, 2013
by lnino
Electric current 2 950 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 3189 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 2522 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 2325 February 28, 2013
by BobaMosfet
Control electronic door opener 15 1354 February 24, 2013
by lnino
Relay Question 27 3796 February 19, 2013
by Noter
Rotary Encoder how to?? 21 2859 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 1502 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1795 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 1413 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 1348 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1663 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 1349 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1980 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 1101 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 1110 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 1162 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 5008 November 18, 2012
by carlhako
SPI slave clock 6 1423 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 1147 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 15218 October 23, 2012
by Noter
NPN circuit connection quandry 4 1501 September 24, 2012
by edb
Simple I/O circuit 4 1240 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 983 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 912 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 2353 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 1297 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 2951 September 13, 2012
by dan_engbers
Electronics simulation 8 1687 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 3076 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 1253 August 20, 2012
by rblalock
louder sound 2 1072 August 18, 2012
by mongo
connector or cable for LCD display? 4 1211 August 13, 2012
by missle3944
Powering L.E.Ds 5 1275 August 09, 2012
by BobaMosfet
Wires in U.K 5 1371 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 1430 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 2926 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 3287 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1625 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 14664 July 21, 2012
by lnino
um help 6 1043 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 1412 July 18, 2012
by Ralphxyz
help me 11 1571 July 03, 2012
by Rick_S
Crystal Oscillator question 2 1145 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1835 June 24, 2012
by Ralphxyz
HELP 3 1095 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 8584 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 1080 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 2011 June 17, 2012
by RogerFL
Programmable current source 6 1805 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1806 June 11, 2012
by mongo
HELP 6 1221 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1482 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 16946 May 24, 2012
by Ralphxyz
i need a code 8 1558 May 15, 2012
by pcbolt
Clock Accuracy 30 4680 May 14, 2012
by HexManiac
Relays and Controlling them 9 1480 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1778 May 09, 2012
by RogerFL
Powering your NerdKit 7 1399 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 1310 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 2248 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1482 April 24, 2012
by pcbolt
Programs will not run 6 1350 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1662 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1487 April 09, 2012
by Ralphxyz
Path Lights controller 2 1274 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 1412 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1632 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1472 April 01, 2012
by JamesFysh
Question on LCD screen 5 1368 March 30, 2012
by billtaichi
Is this Capaciator Good 4 1348 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 2682 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1968 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 3109 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1464 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1591 March 15, 2012
by mongo
Digital servo issues! 9 1702 March 15, 2012
by Rick_S
Brushless motor control 16 2071 March 12, 2012
by hevans
Windows not detecting device 3 1264 March 10, 2012
by hevans
Voltage throught MCU 5 1214 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 13925 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 4273 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 5465 March 01, 2012
by hevans
Up and running... 3 1117 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1435 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1749 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 1311 February 24, 2012
by Rick_S
programming lcd trubs 7 1348 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1872 February 18, 2012
by Rick_S
Oscilloscope 15 2804 February 18, 2012
by Osarus
How far away can a LM34 be? 16 5292 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2422 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1503 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 4037 February 09, 2012
by mongo
Data transmission 3 1836 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1739 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 2625 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 1351 February 03, 2012
by BobaMosfet
connencting two ics to port 3 1173 January 31, 2012
by tchilzer2
H bridge questions 6 1508 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1551 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1694 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1807 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 3689 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1654 January 15, 2012
by Rick_S
Source of power? 19 1633 January 13, 2012
by mongo
symbol defined please? 4 1766 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 9217 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1387 January 06, 2012
by boxvic
Basic LED circuit properties 8 1603 January 06, 2012
by boxvic
Getting Started 3 1387 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1969 January 02, 2012
by bodangly
SMD reflow 16 2189 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1438 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1866 December 23, 2011
by BobaMosfet
Potentiometer 8 1990 December 23, 2011
by huzbum
Fun with Op-Amps 3 2522 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1765 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1580 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1681 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 1271 November 27, 2011
by sazD
Initial Load 2 1637 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1897 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 2625 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1760 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4887 November 10, 2011
by jfbrink
Servo Squitter Project 13 1586 November 09, 2011
by Heed
how do i run a program 4 1327 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1401 November 07, 2011
by Heed
Motor control question 2 1364 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 3591 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1535 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1413 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 38355 October 24, 2011
by glendon
Measuring Capacitance 9 2584 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1602 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 2393 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 9982 October 16, 2011
by sask55
RxD / TxD Questions 10 3194 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1657 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1593 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 1341 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1390 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 5577 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 2472 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 18114 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 3350 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1359 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 3809 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 6295 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 4809 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1674 September 01, 2011
by BobaMosfet
Dim LED 3 1388 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1724 August 23, 2011
by Twarter369
Easy Transistor Question 4 1971 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2783 August 18, 2011
by Ralphxyz
Building a coil?? 12 2836 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1665 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1444 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 1205 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 1206 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 11027 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 2092 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1455 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1532 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1489 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2977 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1399 July 17, 2011
by codenamejupiterx
avr macpack 3 1420 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1594 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1553 July 13, 2011
by BobaMosfet
Battery clip wires 3 1324 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 1228 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 1276 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1594 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1969 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 8608 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1578 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1492 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2857 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1755 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1681 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1605 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1758 June 06, 2011
by mja
A couple of questions 3 1383 June 06, 2011
by Ralphxyz
How much should I strip? 3 1320 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1807 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1459 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1794 May 29, 2011
by Rick_S
Digital Input Question 4 1497 May 28, 2011
by frankdwest
PCB arrived 20 1555 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 2095 May 24, 2011
by gcharris
Calculating bypass capacitor 6 10710 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 2068 May 09, 2011
by Noter
IR current 6 1855 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 2429 May 04, 2011
by hariharan
Heat sensors 21 2398 May 04, 2011
by Hexorg
error 1 2 1504 May 02, 2011
by hevans
Transistor vs mosfet 13 7048 May 01, 2011
by Noter
PCB trace width calculator 3 2576 April 24, 2011
by esoderberg
OLED display 10 1974 April 23, 2011
by Rick_S
Power Supplies 17 2917 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1366 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1808 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1426 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1827 April 19, 2011
by mongo
Connecting to external control voltages 4 1663 April 19, 2011
by bretm
IR current question 7 1526 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 2096 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1959 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1802 April 10, 2011
by uml_12
Basic projects 3 1581 April 09, 2011
by mongo
REFLOW oven 22 3565 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 6522 April 07, 2011
by bretm
unexpected MCU rebooting 82 4375 April 05, 2011
by sask55
REFLOW Soldering 3 2031 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1750 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 3612 March 30, 2011
by bretm
Black Display on LCD 6 1744 March 28, 2011
by Druidman
32kHz clock 2 1637 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 5777 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 5212 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2882 March 16, 2011
by mongo
LCD problem 3 1650 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 2394 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 2383 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1669 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 3107 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 2204 February 26, 2011
by amartinez
Why does my led light without the battery? 2 2320 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 7182 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 4201 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2890 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 4508 February 19, 2011
by Lusitania
My first Impression 6 1807 February 16, 2011
by devinsbusiness
Understanding battery life 3 2804 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2714 February 13, 2011
by sask55
Using Devices With Different Voltages 11 2167 February 05, 2011
by BobaMosfet
High voltage lines 26 3384 February 02, 2011
by mongo
USB 3 1641 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 2328 February 02, 2011
by Jalex
Alternating LED circuit 4 2154 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2862 January 31, 2011
by il1019
Affordable oscilloscopes 43 9118 January 27, 2011
by BStory
"And"gate unfinished thought 2 1535 January 27, 2011
by Hexorg
replace MCU? 30 5656 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 2116 January 25, 2011
by Ralphxyz
Multimeter! 12 3727 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2742 January 25, 2011
by Jalex
My LED Cube so far 25 6232 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2625 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 2038 January 18, 2011
by dgikuljot
Counting 5 1415 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 4644 January 17, 2011
by bretm
Programming 5 2057 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2458 January 11, 2011
by Yourself
Begining 7 2137 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2627 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 2362 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1637 January 09, 2011
by mrobbins
UART operating at 3.3V 1 2011 January 06, 2011
by Mujda
Data input voltage 6 2289 January 03, 2011
by Rick_S
MOSFET Question 7 2222 December 31, 2010
by Keyster
Transistor as a switch 5 1993 December 29, 2010
by Hexorg
Resistors 5 2509 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 6116 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 2180 December 28, 2010
by BobaMosfet
Relay ratings 2 1821 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 14031 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1784 December 17, 2010
by mongo
Power Rectifier 7 2027 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 3276 December 14, 2010
by danuke
This a decent oscilloscope? 8 2251 December 14, 2010
by danuke
Do resistors in series really add up? 8 3069 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 2440 December 09, 2010
by bretm
L293 H-Bridge 15 3009 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2861 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 3343 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2554 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2958 November 24, 2010
by BobaMosfet
Op-amp not working 6 3088 November 24, 2010
by BobaMosfet
Python questions 4 2717 November 21, 2010
by tkopriva
CE Amp design 5 1851 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 2208 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1853 November 05, 2010
by Mujda
PC4 not working?! 8 1531 November 04, 2010
by hapshetsut
Amplifiers 4 1856 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2536 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2620 October 04, 2010
by Scythium
radio interference from NerdKit 11 1814 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 4878 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2350 September 11, 2010
by akajester
QFP and dreadboard 2 2090 September 02, 2010
by bretm
Getting power to the spinning part... 5 2274 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 7269 August 30, 2010
by Ralphxyz
morse code decoder 2 2548 August 26, 2010
by jonathan_m
Connecting to Computer 3 2304 August 25, 2010
by awesome
555 astable on breadboard 12 3622 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1888 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 2284 August 19, 2010
by hevans
mosfet 3 1860 August 13, 2010
by hevans
Good material on learning electronics. 8 2027 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1691 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2559 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2672 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 5377 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 3084 July 02, 2010
by mongo
Electro Cardio Gram 4 2519 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1768 June 12, 2010
by Wobbler
Voltage Regulator 20 3029 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2943 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 3082 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2983 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 2222 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1734 June 06, 2010
by Kafke
TSSOP IC! 4 2141 June 03, 2010
by mrobbins
AVcc 2 2521 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1920 May 31, 2010
by hevans
Cable Driver 2 1661 May 31, 2010
by mongo
Best 9V adapter to use 2 1960 May 28, 2010
by mongo
Unidirectional microphones 5 2170 May 27, 2010
by mongo
Servo question 3 1900 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 2221 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 2016 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 3082 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 5535 May 21, 2010
by hevans
Chinese Solenoid 15 2086 May 10, 2010
by treymd
avrisp mkii circuit 4 3165 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1961 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 5005 May 07, 2010
by rajabalu21
Simple Power Switch 6 1767 May 05, 2010
by avicell
I can haz speed! 3 2043 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 3158 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2640 April 21, 2010
by bretm
Help with choosing the right resistor 10 3149 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 4186 April 15, 2010
by bretm
Resistor 4 1678 April 15, 2010
by mongo
MCU digital input pins 3 1571 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 2116 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 6860 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3609 March 28, 2010
by carlhako
Laptop ground safety question 3 2140 March 27, 2010
by ese
LM34 R-C Damper 5 2425 March 24, 2010
by BobaMosfet
NerdKits & USB 5 2152 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1787 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 3381 March 23, 2010
by ese
constant system reset 3 1642 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 2105 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2854 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2548 March 17, 2010
by Frozenlock
What is -VS? 6 2843 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3584 March 04, 2010
by treymd
Using MCU to connect two wires 3 2149 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 5174 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1931 March 02, 2010
by Solorbob
Deciphering power resistors 11 2197 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1919 March 01, 2010
by nrotstan
Understanding LEDs 16 3408 March 01, 2010
by michaeldallas
What's the part I need? 5 1896 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 7743 February 23, 2010
by rajabalu21
Too much power? 14 2566 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 3143 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 2459 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 7210 February 18, 2010
by Rick_S
Serial port interface circuit 2 2844 February 17, 2010
by mongo
OBDII project 3 1975 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 3540 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3846 February 13, 2010
by BobaMosfet
Digital pots 5 2058 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 2143 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 3148 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 3023 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3902 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 2287 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 3657 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 5524 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2765 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 2140 December 27, 2009
by jgauthier
Servo Signal Noise 2 1767 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 4190 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 7776 December 10, 2009
by georgio
Relays and transistors 12 6001 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4823 December 09, 2009
by Rick_S
IR Detector 7 3558 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2683 November 19, 2009
by mikedoug
Debug with lcd 6 2495 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2348 November 15, 2009
by tech20
Understanding output pin characteristics 4 2061 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3839 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 2365 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 32326 October 30, 2009
by BobaMosfet
DIY header unit 2 2645 October 10, 2009
by rusirius
Thermostat Logging 6 3241 October 09, 2009
by luke
Understanding transistors 6 3609 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6820 October 07, 2009
by mikedoug
Currant booster 3 1846 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2598 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 7165 August 27, 2009
by hevans
Which LED? 14 2501 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 3332 August 07, 2009
by mongo
pull up, pull down resistors 7 13753 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 6832 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 4049 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3609 July 07, 2009
by sector0
Reset switch for circuit 3 2316 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 25638 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2618 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2402 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2390 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 3004 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 2329 May 06, 2009
by paulip

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