NerdKits - electronics education for a digital generation

You are not logged in. [log in]

Basic Electronics

NerdKits » Forums » Basic Electronics (448 threads, 3881 posts)
Thread Posts Views Last Post
My new 3D Printer 41 12753 December 02, 2014
by Ralphxyz
AtMega 644 2 767 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 270 August 07, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 489 June 02, 2014
by JKITSON
Automated programming mode? 9 740 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 588 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 309 January 28, 2014
by lailai
What kind of error is this? 4 428 January 23, 2014
by Noter
How to double a DC voltage? 20 2679 January 12, 2014
by JKITSON
Is the code the driver? 2 352 January 12, 2014
by Ralphxyz
Miniature headers 6 571 January 01, 2014
by Ralphxyz
BLDC 8 495 December 23, 2013
by esoderberg
I need help finding a terminal. 17 903 November 26, 2013
by Rick_S
GLCD SPI problems 14 1399 November 10, 2013
by andyi
Moving on... 7 697 November 08, 2013
by Pr0ject
Power supply questions 4 879 October 31, 2013
by sask55
OLED 4 538 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 2107 September 22, 2013
by sask55
Opto Interrupter once again 14 1278 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 605 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 2754 September 02, 2013
by Ralphxyz
USB cable specifications 7 669 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 656 August 27, 2013
by Affarram
XMEGA Breakout 8 756 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 465 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 709 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 710 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 4264 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 3910 June 18, 2013
by Noter
Two Wrongs Make it Right 3 620 May 22, 2013
by meltbox360
accurate time for a real time clock 5 840 April 08, 2013
by pcbolt
Using diode to drop voltage 12 13816 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 488 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 676 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 1158 March 14, 2013
by mongo
Current vs Voltage 8 1026 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 800 March 09, 2013
by lnino
Electric current 2 527 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 1798 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 1244 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 1221 February 28, 2013
by BobaMosfet
Control electronic door opener 15 787 February 24, 2013
by lnino
Relay Question 27 2801 February 19, 2013
by Noter
Rotary Encoder how to?? 21 1637 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 894 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 1121 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 857 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 867 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1180 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 876 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1171 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 682 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 654 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 686 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 3343 November 18, 2012
by carlhako
SPI slave clock 6 886 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 736 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 11806 October 23, 2012
by Noter
NPN circuit connection quandry 4 964 September 24, 2012
by edb
Simple I/O circuit 4 821 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 584 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 529 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1657 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 862 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 1964 September 13, 2012
by dan_engbers
Electronics simulation 8 1059 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2443 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 808 August 20, 2012
by rblalock
louder sound 2 641 August 18, 2012
by mongo
connector or cable for LCD display? 4 814 August 13, 2012
by missle3944
Powering L.E.Ds 5 809 August 09, 2012
by BobaMosfet
Wires in U.K 5 885 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 910 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 2024 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 2162 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1127 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 10730 July 21, 2012
by lnino
um help 6 622 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 915 July 18, 2012
by Ralphxyz
help me 11 1014 July 03, 2012
by Rick_S
Crystal Oscillator question 2 762 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 1125 June 24, 2012
by Ralphxyz
HELP 3 680 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 6457 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 695 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1309 June 17, 2012
by RogerFL
Programmable current source 6 1232 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 1094 June 11, 2012
by mongo
HELP 6 785 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 1023 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 8598 May 24, 2012
by Ralphxyz
i need a code 8 1101 May 15, 2012
by pcbolt
Clock Accuracy 30 3880 May 14, 2012
by HexManiac
Relays and Controlling them 9 1018 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1205 May 09, 2012
by RogerFL
Powering your NerdKit 7 934 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 868 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1339 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 1030 April 24, 2012
by pcbolt
Programs will not run 6 897 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1154 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 1010 April 09, 2012
by Ralphxyz
Path Lights controller 2 845 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 954 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1111 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 1004 April 01, 2012
by JamesFysh
Question on LCD screen 5 921 March 30, 2012
by billtaichi
Is this Capaciator Good 4 893 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 1933 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1515 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 1961 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 1034 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 980 March 15, 2012
by mongo
Digital servo issues! 9 1225 March 15, 2012
by Rick_S
Brushless motor control 16 1517 March 12, 2012
by hevans
Windows not detecting device 3 879 March 10, 2012
by hevans
Voltage throught MCU 5 775 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 11753 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 2501 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 2895 March 01, 2012
by hevans
Up and running... 3 746 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 973 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 1134 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 892 February 24, 2012
by Rick_S
programming lcd trubs 7 966 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1389 February 18, 2012
by Rick_S
Oscilloscope 15 1987 February 18, 2012
by Osarus
How far away can a LM34 be? 16 4191 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 1968 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1088 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 3085 February 09, 2012
by mongo
Data transmission 3 1459 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1215 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 1868 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 957 February 03, 2012
by BobaMosfet
connencting two ics to port 3 803 January 31, 2012
by tchilzer2
H bridge questions 6 1061 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1099 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1234 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1247 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 2496 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1207 January 15, 2012
by Rick_S
Source of power? 19 1210 January 13, 2012
by mongo
symbol defined please? 4 1322 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 6317 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 1022 January 06, 2012
by boxvic
Basic LED circuit properties 8 1140 January 06, 2012
by boxvic
Getting Started 3 1005 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1366 January 02, 2012
by bodangly
SMD reflow 16 1595 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 1060 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1378 December 23, 2011
by BobaMosfet
Potentiometer 8 1523 December 23, 2011
by huzbum
Fun with Op-Amps 3 1751 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1280 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 1085 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1208 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 882 November 27, 2011
by sazD
Initial Load 2 1168 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1318 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 1961 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1278 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 4015 November 10, 2011
by jfbrink
Servo Squitter Project 13 1131 November 09, 2011
by Heed
how do i run a program 4 941 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 1039 November 07, 2011
by Heed
Motor control question 2 994 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2480 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1156 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 1021 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 19285 October 24, 2011
by glendon
Measuring Capacitance 9 1938 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1134 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1676 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 6622 October 16, 2011
by sask55
RxD / TxD Questions 10 2264 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1246 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1221 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 918 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 1009 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 3963 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1792 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 15130 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 2018 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 1014 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 2486 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 4184 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 3877 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1224 September 01, 2011
by BobaMosfet
Dim LED 3 1023 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1238 August 23, 2011
by Twarter369
Easy Transistor Question 4 1448 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 2033 August 18, 2011
by Ralphxyz
Building a coil?? 12 2179 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1280 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 1075 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 855 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 859 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 6905 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1569 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 1072 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 1055 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 1059 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2205 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 1038 July 17, 2011
by codenamejupiterx
avr macpack 3 985 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1183 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1176 July 13, 2011
by BobaMosfet
Battery clip wires 3 966 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 850 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 900 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1132 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1553 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 5458 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1103 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1139 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2264 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1330 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1258 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1243 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1366 June 06, 2011
by mja
A couple of questions 3 980 June 06, 2011
by Ralphxyz
How much should I strip? 3 981 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1401 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1098 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1412 May 29, 2011
by Rick_S
Digital Input Question 4 1084 May 28, 2011
by frankdwest
PCB arrived 20 1181 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1593 May 24, 2011
by gcharris
Calculating bypass capacitor 6 6059 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1645 May 09, 2011
by Noter
IR current 6 1444 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 1924 May 04, 2011
by hariharan
Heat sensors 21 1841 May 04, 2011
by Hexorg
error 1 2 1170 May 02, 2011
by hevans
Transistor vs mosfet 13 4591 May 01, 2011
by Noter
PCB trace width calculator 3 2086 April 24, 2011
by esoderberg
OLED display 10 1523 April 23, 2011
by Rick_S
Power Supplies 17 2473 April 22, 2011
by BobBolinger
LCD & battery&USB 4 987 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1331 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1080 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1460 April 19, 2011
by mongo
Connecting to external control voltages 4 1286 April 19, 2011
by bretm
IR current question 7 1137 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1661 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1463 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1325 April 10, 2011
by uml_12
Basic projects 3 1230 April 09, 2011
by mongo
REFLOW oven 22 2838 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 4781 April 07, 2011
by bretm
unexpected MCU rebooting 82 2567 April 05, 2011
by sask55
REFLOW Soldering 3 1538 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1368 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 2787 March 30, 2011
by bretm
Black Display on LCD 6 1354 March 28, 2011
by Druidman
32kHz clock 2 1301 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 4528 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4326 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2271 March 16, 2011
by mongo
LCD problem 3 1271 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1827 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 1925 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1270 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2362 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1606 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1802 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 5021 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 3094 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2446 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 3091 February 19, 2011
by Lusitania
My first Impression 6 1420 February 16, 2011
by devinsbusiness
Understanding battery life 3 2234 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2246 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1691 February 05, 2011
by BobaMosfet
High voltage lines 26 2693 February 02, 2011
by mongo
USB 3 1257 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1800 February 02, 2011
by Jalex
Alternating LED circuit 4 1782 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2303 January 31, 2011
by il1019
Affordable oscilloscopes 43 7990 January 27, 2011
by BStory
"And"gate unfinished thought 2 1153 January 27, 2011
by Hexorg
replace MCU? 30 4966 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1678 January 25, 2011
by Ralphxyz
Multimeter! 12 3237 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2188 January 25, 2011
by Jalex
My LED Cube so far 25 5213 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 2029 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1603 January 18, 2011
by dgikuljot
Counting 5 1065 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 3646 January 17, 2011
by bretm
Programming 5 1614 January 14, 2011
by Ralphxyz
Induction loop actuator 7 2010 January 11, 2011
by Yourself
Begining 7 1737 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 2071 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1888 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1230 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1617 January 06, 2011
by Mujda
Data input voltage 6 1861 January 03, 2011
by Rick_S
MOSFET Question 7 1761 December 31, 2010
by Keyster
Transistor as a switch 5 1605 December 29, 2010
by Hexorg
Resistors 5 2087 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 4844 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1645 December 28, 2010
by BobaMosfet
Relay ratings 2 1393 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 11645 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1435 December 17, 2010
by mongo
Power Rectifier 7 1582 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2664 December 14, 2010
by danuke
This a decent oscilloscope? 8 1838 December 14, 2010
by danuke
Do resistors in series really add up? 8 2404 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 1944 December 09, 2010
by bretm
L293 H-Bridge 15 2452 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2353 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2687 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 2065 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2257 November 24, 2010
by BobaMosfet
Op-amp not working 6 2325 November 24, 2010
by BobaMosfet
Python questions 4 2215 November 21, 2010
by tkopriva
CE Amp design 5 1466 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1826 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1461 November 05, 2010
by Mujda
PC4 not working?! 8 1141 November 04, 2010
by hapshetsut
Amplifiers 4 1462 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 2006 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2193 October 04, 2010
by Scythium
radio interference from NerdKit 11 1440 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 3562 September 14, 2010
by Ralphxyz
solar project with light sensors 7 1968 September 11, 2010
by akajester
QFP and dreadboard 2 1661 September 02, 2010
by bretm
Getting power to the spinning part... 5 1849 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 5242 August 30, 2010
by Ralphxyz
morse code decoder 2 2141 August 26, 2010
by jonathan_m
Connecting to Computer 3 1927 August 25, 2010
by awesome
555 astable on breadboard 12 3033 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1467 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1930 August 19, 2010
by hevans
mosfet 3 1497 August 13, 2010
by hevans
Good material on learning electronics. 8 1621 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1315 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 2069 August 02, 2010
by mrobbins
More batteries = more voltage? 3 2065 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 4185 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2504 July 02, 2010
by mongo
Electro Cardio Gram 4 2051 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1398 June 12, 2010
by Wobbler
Voltage Regulator 20 2431 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2519 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2445 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2446 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1734 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1340 June 06, 2010
by Kafke
TSSOP IC! 4 1750 June 03, 2010
by mrobbins
AVcc 2 2094 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1580 May 31, 2010
by hevans
Cable Driver 2 1320 May 31, 2010
by mongo
Best 9V adapter to use 2 1563 May 28, 2010
by mongo
Unidirectional microphones 5 1774 May 27, 2010
by mongo
Servo question 3 1504 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1781 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1569 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2387 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 4278 May 21, 2010
by hevans
Chinese Solenoid 15 1664 May 10, 2010
by treymd
avrisp mkii circuit 4 2681 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1599 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 3499 May 07, 2010
by rajabalu21
Simple Power Switch 6 1315 May 05, 2010
by avicell
I can haz speed! 3 1571 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2626 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2190 April 21, 2010
by bretm
Help with choosing the right resistor 10 2438 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 3113 April 15, 2010
by bretm
Resistor 4 1340 April 15, 2010
by mongo
MCU digital input pins 3 1215 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1766 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 5788 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3124 March 28, 2010
by carlhako
Laptop ground safety question 3 1729 March 27, 2010
by ese
LM34 R-C Damper 5 2023 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1761 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1404 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2749 March 23, 2010
by ese
constant system reset 3 1302 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1641 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2370 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2122 March 17, 2010
by Frozenlock
What is -VS? 6 1986 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3138 March 04, 2010
by treymd
Using MCU to connect two wires 3 1744 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 4298 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1573 March 02, 2010
by Solorbob
Deciphering power resistors 11 1692 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1558 March 01, 2010
by nrotstan
Understanding LEDs 16 2851 March 01, 2010
by michaeldallas
What's the part I need? 5 1472 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 6385 February 23, 2010
by rajabalu21
Too much power? 14 2124 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2690 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1929 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 5421 February 18, 2010
by Rick_S
Serial port interface circuit 2 2374 February 17, 2010
by mongo
OBDII project 3 1607 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 2738 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3172 February 13, 2010
by BobaMosfet
Digital pots 5 1639 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1752 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2650 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2303 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 3158 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1883 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 2934 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4501 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2203 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1714 December 27, 2009
by jgauthier
Servo Signal Noise 2 1414 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3609 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 6265 December 10, 2009
by georgio
Relays and transistors 12 5430 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 4173 December 09, 2009
by Rick_S
IR Detector 7 2728 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2269 November 19, 2009
by mikedoug
Debug with lcd 6 2037 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 1992 November 15, 2009
by tech20
Understanding output pin characteristics 4 1649 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3309 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1956 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 25360 October 30, 2009
by BobaMosfet
DIY header unit 2 2247 October 10, 2009
by rusirius
Thermostat Logging 6 2596 October 09, 2009
by luke
Understanding transistors 6 3082 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 6105 October 07, 2009
by mikedoug
Currant booster 3 1479 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2117 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 5628 August 27, 2009
by hevans
Which LED? 14 2099 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2835 August 07, 2009
by mongo
pull up, pull down resistors 7 12648 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 5720 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3445 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 3055 July 07, 2009
by sector0
Reset switch for circuit 3 1922 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 24385 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2173 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 1981 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 1989 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2553 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1876 May 06, 2009
by paulip

Create a Thread

Please log in to create a thread.

Did you know that you can build a circuit to convert the "dit" and "dah" of Morse code back into letters automatically? Learn more...