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Basic Electronics

NerdKits » Forums » Basic Electronics (449 threads, 3886 posts)
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Would someone explain Proximity Sensor? 4 111 4 days, 5 hours ago
by JKITSON
My new 3D Printer 42 14212 February 10, 2015
by JKITSON
AtMega 644 2 952 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 331 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 532 June 02, 2014
by JKITSON
Automated programming mode? 9 791 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 637 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 343 January 28, 2014
by lailai
What kind of error is this? 4 480 January 23, 2014
by Noter
How to double a DC voltage? 20 2842 January 12, 2014
by JKITSON
Is the code the driver? 2 389 January 12, 2014
by Ralphxyz
Miniature headers 6 612 January 01, 2014
by Ralphxyz
BLDC 8 534 December 23, 2013
by esoderberg
I need help finding a terminal. 17 944 November 26, 2013
by Rick_S
GLCD SPI problems 14 1512 November 10, 2013
by andyi
Moving on... 7 735 November 08, 2013
by Pr0ject
Power supply questions 4 926 October 31, 2013
by sask55
OLED 4 574 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 2254 September 22, 2013
by sask55
Opto Interrupter once again 14 1379 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 651 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 2907 September 02, 2013
by Ralphxyz
USB cable specifications 7 716 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 703 August 27, 2013
by Affarram
XMEGA Breakout 8 800 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 497 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 751 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 747 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 4316 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 4110 June 18, 2013
by Noter
Two Wrongs Make it Right 3 646 May 22, 2013
by meltbox360
accurate time for a real time clock 5 878 April 08, 2013
by pcbolt
Using diode to drop voltage 12 14745 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 517 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 710 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 1241 March 14, 2013
by mongo
Current vs Voltage 8 1071 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 860 March 09, 2013
by lnino
Electric current 2 553 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 1902 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 1322 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 1275 February 28, 2013
by BobaMosfet
Control electronic door opener 15 830 February 24, 2013
by lnino
Relay Question 27 2869 February 19, 2013
by Noter
Rotary Encoder how to?? 21 1702 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 945 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1170 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 907 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 910 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1209 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 916 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1228 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 706 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 681 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 716 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 3463 November 18, 2012
by carlhako
SPI slave clock 6 928 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 761 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 12047 October 23, 2012
by Noter
NPN circuit connection quandry 4 1003 September 24, 2012
by edb
Simple I/O circuit 4 854 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 612 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 554 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1700 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 894 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 2029 September 13, 2012
by dan_engbers
Electronics simulation 8 1105 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2500 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 837 August 20, 2012
by rblalock
louder sound 2 670 August 18, 2012
by mongo
connector or cable for LCD display? 4 846 August 13, 2012
by missle3944
Powering L.E.Ds 5 841 August 09, 2012
by BobaMosfet
Wires in U.K 5 920 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 946 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 2095 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 2250 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1165 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 11259 July 21, 2012
by lnino
um help 6 648 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 955 July 18, 2012
by Ralphxyz
help me 11 1055 July 03, 2012
by Rick_S
Crystal Oscillator question 2 784 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1177 June 24, 2012
by Ralphxyz
HELP 3 709 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 6669 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 723 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1359 June 17, 2012
by RogerFL
Programmable current source 6 1291 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1137 June 11, 2012
by mongo
HELP 6 821 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1052 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 9076 May 24, 2012
by Ralphxyz
i need a code 8 1128 May 15, 2012
by pcbolt
Clock Accuracy 30 3934 May 14, 2012
by HexManiac
Relays and Controlling them 9 1052 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1251 May 09, 2012
by RogerFL
Powering your NerdKit 7 965 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 897 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1399 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1067 April 24, 2012
by pcbolt
Programs will not run 6 924 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1194 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1038 April 09, 2012
by Ralphxyz
Path Lights controller 2 875 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 984 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1151 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1037 April 01, 2012
by JamesFysh
Question on LCD screen 5 956 March 30, 2012
by billtaichi
Is this Capaciator Good 4 930 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 1968 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1546 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 2044 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1071 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 1018 March 15, 2012
by mongo
Digital servo issues! 9 1258 March 15, 2012
by Rick_S
Brushless motor control 16 1560 March 12, 2012
by hevans
Windows not detecting device 3 905 March 10, 2012
by hevans
Voltage throught MCU 5 806 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 12051 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 2644 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 3024 March 01, 2012
by hevans
Up and running... 3 774 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 1012 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1249 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 930 February 24, 2012
by Rick_S
programming lcd trubs 7 988 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1433 February 18, 2012
by Rick_S
Oscilloscope 15 2041 February 18, 2012
by Osarus
How far away can a LM34 be? 16 4299 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 2006 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1122 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 3168 February 09, 2012
by mongo
Data transmission 3 1484 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1256 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 1918 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 986 February 03, 2012
by BobaMosfet
connencting two ics to port 3 827 January 31, 2012
by tchilzer2
H bridge questions 6 1095 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1128 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1268 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1277 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 2594 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1243 January 15, 2012
by Rick_S
Source of power? 19 1240 January 13, 2012
by mongo
symbol defined please? 4 1357 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 6517 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1053 January 06, 2012
by boxvic
Basic LED circuit properties 8 1167 January 06, 2012
by boxvic
Getting Started 3 1034 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1399 January 02, 2012
by bodangly
SMD reflow 16 1632 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1091 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1413 December 23, 2011
by BobaMosfet
Potentiometer 8 1560 December 23, 2011
by huzbum
Fun with Op-Amps 3 1802 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1320 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1117 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1250 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 911 November 27, 2011
by sazD
Initial Load 2 1204 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1352 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 1999 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1335 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4084 November 10, 2011
by jfbrink
Servo Squitter Project 13 1164 November 09, 2011
by Heed
how do i run a program 4 968 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1068 November 07, 2011
by Heed
Motor control question 2 1020 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2573 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1186 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1057 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 20471 October 24, 2011
by glendon
Measuring Capacitance 9 1996 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1171 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1715 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 6984 October 16, 2011
by sask55
RxD / TxD Questions 10 2355 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1277 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1244 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 941 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1035 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 4083 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1860 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 15831 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 2120 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1045 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 2561 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 4332 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 3963 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1255 September 01, 2011
by BobaMosfet
Dim LED 3 1054 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1273 August 23, 2011
by Twarter369
Easy Transistor Question 4 1481 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2093 August 18, 2011
by Ralphxyz
Building a coil?? 12 2227 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1306 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1105 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 876 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 884 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 7177 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1608 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1096 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1091 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1092 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2265 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1066 July 17, 2011
by codenamejupiterx
avr macpack 3 1011 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1219 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1202 July 13, 2011
by BobaMosfet
Battery clip wires 3 990 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 881 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 925 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1172 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1589 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 5675 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1135 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1165 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2314 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1362 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1288 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1271 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1397 June 06, 2011
by mja
A couple of questions 3 1009 June 06, 2011
by Ralphxyz
How much should I strip? 3 1007 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1429 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1126 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1440 May 29, 2011
by Rick_S
Digital Input Question 4 1111 May 28, 2011
by frankdwest
PCB arrived 20 1208 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1640 May 24, 2011
by gcharris
Calculating bypass capacitor 6 6328 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1689 May 09, 2011
by Noter
IR current 6 1472 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 1977 May 04, 2011
by hariharan
Heat sensors 21 1880 May 04, 2011
by Hexorg
error 1 2 1194 May 02, 2011
by hevans
Transistor vs mosfet 13 4733 May 01, 2011
by Noter
PCB trace width calculator 3 2130 April 24, 2011
by esoderberg
OLED display 10 1557 April 23, 2011
by Rick_S
Power Supplies 17 2518 April 22, 2011
by BobBolinger
LCD & battery&USB 4 1015 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1373 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1107 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1489 April 19, 2011
by mongo
Connecting to external control voltages 4 1318 April 19, 2011
by bretm
IR current question 7 1168 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1697 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1507 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1365 April 10, 2011
by uml_12
Basic projects 3 1262 April 09, 2011
by mongo
REFLOW oven 22 2899 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 4920 April 07, 2011
by bretm
unexpected MCU rebooting 82 2642 April 05, 2011
by sask55
REFLOW Soldering 3 1574 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1399 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 2827 March 30, 2011
by bretm
Black Display on LCD 6 1382 March 28, 2011
by Druidman
32kHz clock 2 1326 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 4630 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4390 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2323 March 16, 2011
by mongo
LCD problem 3 1300 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1875 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 1956 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1297 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2420 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1649 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1843 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 5195 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 3180 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2486 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 3202 February 19, 2011
by Lusitania
My first Impression 6 1449 February 16, 2011
by devinsbusiness
Understanding battery life 3 2276 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2280 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1732 February 05, 2011
by BobaMosfet
High voltage lines 26 2747 February 02, 2011
by mongo
USB 3 1290 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1836 February 02, 2011
by Jalex
Alternating LED circuit 4 1815 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2342 January 31, 2011
by il1019
Affordable oscilloscopes 43 8077 January 27, 2011
by BStory
"And"gate unfinished thought 2 1183 January 27, 2011
by Hexorg
replace MCU? 30 5025 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1717 January 25, 2011
by Ralphxyz
Multimeter! 12 3271 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2229 January 25, 2011
by Jalex
My LED Cube so far 25 5314 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2069 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1645 January 18, 2011
by dgikuljot
Counting 5 1095 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 3706 January 17, 2011
by bretm
Programming 5 1646 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2042 January 11, 2011
by Yourself
Begining 7 1771 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2128 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1931 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1265 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1646 January 06, 2011
by Mujda
Data input voltage 6 1895 January 03, 2011
by Rick_S
MOSFET Question 7 1799 December 31, 2010
by Keyster
Transistor as a switch 5 1639 December 29, 2010
by Hexorg
Resistors 5 2127 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 4943 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1683 December 28, 2010
by BobaMosfet
Relay ratings 2 1433 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 11847 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1465 December 17, 2010
by mongo
Power Rectifier 7 1614 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2718 December 14, 2010
by danuke
This a decent oscilloscope? 8 1875 December 14, 2010
by danuke
Do resistors in series really add up? 8 2455 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 1989 December 09, 2010
by bretm
L293 H-Bridge 15 2494 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2395 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2730 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2109 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2305 November 24, 2010
by BobaMosfet
Op-amp not working 6 2376 November 24, 2010
by BobaMosfet
Python questions 4 2247 November 21, 2010
by tkopriva
CE Amp design 5 1500 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1851 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1486 November 05, 2010
by Mujda
PC4 not working?! 8 1168 November 04, 2010
by hapshetsut
Amplifiers 4 1494 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2040 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2234 October 04, 2010
by Scythium
radio interference from NerdKit 11 1475 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 3639 September 14, 2010
by Ralphxyz
solar project with light sensors 7 2002 September 11, 2010
by akajester
QFP and dreadboard 2 1700 September 02, 2010
by bretm
Getting power to the spinning part... 5 1888 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 5368 August 30, 2010
by Ralphxyz
morse code decoder 2 2178 August 26, 2010
by jonathan_m
Connecting to Computer 3 1963 August 25, 2010
by awesome
555 astable on breadboard 12 3094 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1502 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1961 August 19, 2010
by hevans
mosfet 3 1526 August 13, 2010
by hevans
Good material on learning electronics. 8 1655 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1344 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2114 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2111 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 4261 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2580 July 02, 2010
by mongo
Electro Cardio Gram 4 2087 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1428 June 12, 2010
by Wobbler
Voltage Regulator 20 2477 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2559 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2488 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2487 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1775 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1374 June 06, 2010
by Kafke
TSSOP IC! 4 1782 June 03, 2010
by mrobbins
AVcc 2 2130 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1608 May 31, 2010
by hevans
Cable Driver 2 1349 May 31, 2010
by mongo
Best 9V adapter to use 2 1590 May 28, 2010
by mongo
Unidirectional microphones 5 1817 May 27, 2010
by mongo
Servo question 3 1539 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1816 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1608 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2454 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 4384 May 21, 2010
by hevans
Chinese Solenoid 15 1694 May 10, 2010
by treymd
avrisp mkii circuit 4 2726 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1626 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 3626 May 07, 2010
by rajabalu21
Simple Power Switch 6 1341 May 05, 2010
by avicell
I can haz speed! 3 1610 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2669 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2230 April 21, 2010
by bretm
Help with choosing the right resistor 10 2491 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 3190 April 15, 2010
by bretm
Resistor 4 1366 April 15, 2010
by mongo
MCU digital input pins 3 1245 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1797 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 5875 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3169 March 28, 2010
by carlhako
Laptop ground safety question 3 1761 March 27, 2010
by ese
LM34 R-C Damper 5 2063 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1798 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1442 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2803 March 23, 2010
by ese
constant system reset 3 1336 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1677 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2415 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2159 March 17, 2010
by Frozenlock
What is -VS? 6 2057 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3179 March 04, 2010
by treymd
Using MCU to connect two wires 3 1782 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 4367 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1601 March 02, 2010
by Solorbob
Deciphering power resistors 11 1730 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1595 March 01, 2010
by nrotstan
Understanding LEDs 16 2898 March 01, 2010
by michaeldallas
What's the part I need? 5 1504 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 6504 February 23, 2010
by rajabalu21
Too much power? 14 2156 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2726 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1983 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 5561 February 18, 2010
by Rick_S
Serial port interface circuit 2 2416 February 17, 2010
by mongo
OBDII project 3 1637 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 2798 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3224 February 13, 2010
by BobaMosfet
Digital pots 5 1677 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1785 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2688 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2353 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3209 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1919 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 2992 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4556 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2249 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1748 December 27, 2009
by jgauthier
Servo Signal Noise 2 1446 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3651 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 6374 December 10, 2009
by georgio
Relays and transistors 12 5484 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4223 December 09, 2009
by Rick_S
IR Detector 7 2785 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2307 November 19, 2009
by mikedoug
Debug with lcd 6 2078 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 2022 November 15, 2009
by tech20
Understanding output pin characteristics 4 1690 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3355 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1985 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 25776 October 30, 2009
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DIY header unit 2 2274 October 10, 2009
by rusirius
Thermostat Logging 6 2659 October 09, 2009
by luke
Understanding transistors 6 3117 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6158 October 07, 2009
by mikedoug
Currant booster 3 1505 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2159 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 5724 August 27, 2009
by hevans
Which LED? 14 2131 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2880 August 07, 2009
by mongo
pull up, pull down resistors 7 12764 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 5821 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3482 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3099 July 07, 2009
by sector0
Reset switch for circuit 3 1950 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 24516 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2199 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 2010 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 2024 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2590 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1909 May 06, 2009
by paulip

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