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Basic Electronics

NerdKits » Forums » Basic Electronics (448 threads, 3865 posts)
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AtMega 644 2 104 September 06, 2014
by Rick_S
Switching between +5v and -5V 2 143 August 07, 2014
by Rick_S
My new 3D Printer 25 3775 July 31, 2014
by Rick_S
Are there hobby printers for my microproccessor? 4 385 June 02, 2014
by JKITSON
Automated programming mode? 9 612 April 08, 2014
by Rick_S
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 5 486 January 30, 2014
by BobaMosfet
Shuttering with the Nerdkit & piezo buzzer (Can't post in Support, gives error) 1 216 January 28, 2014
by lailai
What kind of error is this? 4 312 January 23, 2014
by Noter
How to double a DC voltage? 20 2062 January 12, 2014
by JKITSON
Is the code the driver? 2 269 January 12, 2014
by Ralphxyz
Miniature headers 6 471 January 01, 2014
by Ralphxyz
BLDC 8 416 December 23, 2013
by esoderberg
I need help finding a terminal. 17 790 November 26, 2013
by Rick_S
GLCD SPI problems 14 1065 November 10, 2013
by andyi
Moving on... 7 586 November 08, 2013
by Pr0ject
Power supply questions 4 737 October 31, 2013
by sask55
OLED 4 450 October 29, 2013
by esoderberg
Thermocouple wiring?? 19 1613 September 22, 2013
by sask55
Opto Interrupter once again 14 974 September 19, 2013
by scootergarrett
FFC/FPC connection ideas? 4 461 September 10, 2013
by Ralphxyz
A3977 Stepper Motor Driver 42 2306 September 02, 2013
by Ralphxyz
USB cable specifications 7 578 August 29, 2013
by Noter
Help with reading UART Stream on mac 9 554 August 27, 2013
by Affarram
XMEGA Breakout 8 620 August 26, 2013
by JKITSON
Can someone help me with LDOs? 5 394 August 21, 2013
by BobaMosfet
lower voltage of sensor output LM335 5 560 August 20, 2013
by Osarus
TQFP ATmega 168 capacitors 6 614 August 01, 2013
by scootergarrett
Stepper Motor Programming 154 4057 July 21, 2013
by sask55
Low Voltage Level Translator That Fits the MCU and Breadboard 63 3288 June 18, 2013
by Noter
Two Wrongs Make it Right 3 564 May 22, 2013
by meltbox360
accurate time for a real time clock 5 751 April 08, 2013
by pcbolt
Using diode to drop voltage 12 10654 March 27, 2013
by Ralphxyz
Cannot understand the pins 3 433 March 27, 2013
by oshjdf
Since it is kinda slow around here I thought I'd ask .... 6 609 March 15, 2013
by sask55
What is the purpose of 1000 ohm resistor for LCD's pin 3? 10 904 March 14, 2013
by mongo
Current vs Voltage 8 901 March 14, 2013
by sask55
Control LED Stripes with 2N7000 MOSFET 3 664 March 09, 2013
by lnino
Electric current 2 464 March 08, 2013
by Ralphxyz
How to power up Sim908 module? 4 1433 March 07, 2013
by Ralphxyz
Limiting battery discharge? 12 1008 March 03, 2013
by mongo
feeding a 7805 with 24VDC for <25mA output? 11 1028 February 28, 2013
by BobaMosfet
Control electronic door opener 15 713 February 24, 2013
by lnino
Relay Question 27 2614 February 19, 2013
by Noter
Rotary Encoder how to?? 21 1384 February 15, 2013
by BobaMosfet
Unipolar Stepper motor with ULN2003A, 4 739 February 11, 2013
by Ralphxyz
Introductory circuit design books 2 969 January 30, 2013
by pcbolt
Anyone know how to program an 8052 MCU? 8 757 January 03, 2013
by BobaMosfet
Higher power supplies with ATMega168 (running higher voltage devices with lower powered ground) 4 789 December 30, 2012
by BobaMosfet
edX Free MIT online course 4 1096 December 22, 2012
by pcbolt
handling microprocessor and static eletricity 22 782 December 18, 2012
by JKITSON
Voltage Divider (Resistors) 9 1026 December 17, 2012
by GenHornet18
iphone-controlled R/C car project 2 602 November 26, 2012
by JimFrederickson
Wire broke off in LCD pin 6 593 November 26, 2012
by gsjbjt
Where to buy individual oscillators 8 632 November 26, 2012
by Pew446
Need help using a 5v relay to trip a 12v relay 9 2929 November 18, 2012
by carlhako
SPI slave clock 6 764 October 27, 2012
by Ralphxyz
Flow of Electricity through this circuit 8 685 October 26, 2012
by RogerFL
Why pick a crystal frequency of 14.7456 MHz? 16 10873 October 23, 2012
by Noter
NPN circuit connection quandry 4 865 September 24, 2012
by edb
Simple I/O circuit 4 751 September 23, 2012
by wadaltmon
Flow of Electricity through this circuit 1 517 September 21, 2012
by Davda
Flow of Electricity through this circuit 1 476 September 21, 2012
by Davda
LED - Common Anode 8 Segment Display 13 1467 September 20, 2012
by pcbolt
Can I Power the ATmega168 with 3.3 V? 4 801 September 20, 2012
by karam
Measuring PWM Duty Cycle 6 1737 September 13, 2012
by dan_engbers
Electronics simulation 8 953 August 31, 2012
by Chris100
LED Sign Help - How to control words 26 2188 August 27, 2012
by Rick_S
Help me on my learning path please :) 4 744 August 20, 2012
by rblalock
louder sound 2 554 August 18, 2012
by mongo
connector or cable for LCD display? 4 755 August 13, 2012
by missle3944
Powering L.E.Ds 5 724 August 09, 2012
by BobaMosfet
Wires in U.K 5 782 August 08, 2012
by mikey6879
Bluetooth Please HELP! 3 839 July 29, 2012
by Ralphxyz
Stepper Motor Motor Speed Control 13 1879 July 25, 2012
by sask55
Anything wrong with adding a large bypass capacitor? 6 1891 July 25, 2012
by bretm
Stepper Motor Direction Control 12 1036 July 21, 2012
by live4the1
Using Usbasp for attiny25 36 9667 July 21, 2012
by lnino
um help 6 575 July 20, 2012
by Rick_S
Stepper Motor L298N/L297N controller 3 845 July 18, 2012
by Ralphxyz
help me 11 915 July 03, 2012
by Rick_S
Crystal Oscillator question 2 716 July 02, 2012
by pcbolt
This will lead to more questions, how to use 20 volt battery to power projects and motors? 9 976 June 24, 2012
by Ralphxyz
HELP 3 629 June 24, 2012
by Ralphxyz
Controlling Stepper Motors 35 5582 June 21, 2012
by mcguinnessdr
Geomagnetic vectors with a magnetoresistive sensor? 1 606 June 19, 2012
by lcruz007
PT100 temperature sensor reading 1 1187 June 17, 2012
by RogerFL
Programmable current source 6 1099 June 14, 2012
by JamesFysh
Increase range of an IR LED. 4 976 June 11, 2012
by mongo
HELP 6 719 June 11, 2012
by mikeduff76
Running motor through the mircocontroller 8 950 June 09, 2012
by mongo
How can I detect the signal from a key fob? 15 6910 May 24, 2012
by Ralphxyz
i need a code 8 1029 May 15, 2012
by pcbolt
Clock Accuracy 30 3709 May 14, 2012
by HexManiac
Relays and Controlling them 9 928 May 10, 2012
by sask55
Using Internal 8 MHz Oscillator 4 1083 May 09, 2012
by RogerFL
Powering your NerdKit 7 859 April 27, 2012
by Ralphxyz
output pin is 2.5v when low 7 803 April 27, 2012
by BobaMosfet
Lm317 vs lm317t 2 1156 April 26, 2012
by BobaMosfet
nOOb looking for additional explanation 6 945 April 24, 2012
by pcbolt
Programs will not run 6 826 April 16, 2012
by E2MicroRobots
CE EMITTER_BIAS CONFIGURATION 12 1067 April 10, 2012
by Ralphxyz
Anyone used a 2 x 20 LCD? Which one? 10 922 April 09, 2012
by Ralphxyz
Path Lights controller 2 781 April 04, 2012
by pcbolt
Frequency Response and stability, how do you determine if your system is stable 7 871 April 02, 2012
by Akeshish
Very fundamental problem of operating with out a ground?? 11 1005 April 02, 2012
by sask55
line-level output, regulator ICs and op-amps?? 3 946 April 01, 2012
by JamesFysh
Question on LCD screen 5 856 March 30, 2012
by billtaichi
Is this Capaciator Good 4 815 March 29, 2012
by mongo
Oscilloscopes (for the umpteenth time) 5 838 March 29, 2012
by mongo
Basic Electronics Tutorial to Complement Nerdkits? 5 1427 March 26, 2012
by Ralphxyz
PIR motion sensor to trigger home wireless camera problems 4 1740 March 23, 2012
by 6ofhalfdozen
Ground connector on power supplies?? 3 938 March 15, 2012
by Ralphxyz
Why TC negative connected to ground 3 865 March 15, 2012
by mongo
Digital servo issues! 9 1099 March 15, 2012
by Rick_S
Brushless motor control 16 1324 March 12, 2012
by hevans
Windows not detecting device 3 821 March 10, 2012
by hevans
Voltage throught MCU 5 713 March 05, 2012
by Ralphxyz
Ignition Coil Driver 16 10619 March 02, 2012
by RevMoses
Rotary Encoder pinout (and other questions I am sure) 8 2147 March 02, 2012
by Ralphxyz
Why do you pass a MIC Vout through a capacitor? 12 2428 March 01, 2012
by hevans
Up and running... 3 695 March 01, 2012
by dvdsnyd
9v to vcc survivable? 5 887 February 26, 2012
by RogerFL
Accurate AREF for accurate ADC voltage readings 4 968 February 26, 2012
by carlhako
Problem with code (2 inputs) 12 812 February 24, 2012
by Rick_S
programming lcd trubs 7 919 February 19, 2012
by raccoons
17 super bright white LEDs at the same time...SAFE?! 5 1233 February 18, 2012
by Rick_S
Oscilloscope 15 1836 February 18, 2012
by Osarus
How far away can a LM34 be? 16 3906 February 14, 2012
by dcarter777
Need help understanding a relay schematic 4 1872 February 14, 2012
by Ralphxyz
It's true, we forget... 18 1023 February 12, 2012
by Farmerjoecoledge
Very Basic Batteries in a Series Question 12 2763 February 09, 2012
by mongo
Data transmission 3 1391 February 08, 2012
by amartinez
PowerLineCommunication(PLC) vs Wireless 3 1121 February 05, 2012
by mongo
CAPACITIVE POWER SUPPLY 6 1690 February 04, 2012
by met_fredrik
ADC reads fluctuating voltage when nothing is connected! 2 892 February 03, 2012
by BobaMosfet
connencting two ics to port 3 753 January 31, 2012
by tchilzer2
H bridge questions 6 986 January 27, 2012
by tchilzer2
Voltage Regulators and Efficiency... 3 1026 January 24, 2012
by JimFrederickson
Voltage Drop when LEDs Flash 8 1166 January 23, 2012
by Rocket_Man_Jeff
LED Array - Wall power problems 14 1167 January 19, 2012
by sask55
How to measure floating (isolated) high DC voltage? 5 2204 January 17, 2012
by jfbrink
Mysteries of Capaciators in Reverse 9 1141 January 15, 2012
by Rick_S
Source of power? 19 1155 January 13, 2012
by mongo
symbol defined please? 4 1218 January 13, 2012
by sonicgadgets
Best zero cross detection IC 14 5384 January 07, 2012
by met_fredrik
How hot is too hot for the voltage regulator 3 960 January 06, 2012
by boxvic
Basic LED circuit properties 8 1033 January 06, 2012
by boxvic
Getting Started 3 942 January 05, 2012
by Stretch
Source of randomness for the hardware RNG 20 1247 January 02, 2012
by bodangly
SMD reflow 16 1451 December 27, 2011
by boxvic
kirchhoff's voltage law... 3 991 December 25, 2011
by jbolfiil
Phase Shifter or time delay circuit? 7 1298 December 23, 2011
by BobaMosfet
Potentiometer 8 1425 December 23, 2011
by huzbum
Fun with Op-Amps 3 1614 December 22, 2011
by treymd
Do I need an H-Bridge? 14 1193 December 19, 2011
by n1cl3
Need Diode Data Sheets 2 983 December 07, 2011
by BobaMosfet
Odessy of the minds 5 1111 December 05, 2011
by BobaMosfet
Having trouble uploading my program keep getting this error: Any ideas anyone. Thanks 2 815 November 27, 2011
by sazD
Initial Load 2 1077 November 27, 2011
by missle3944
Using pushbuttons to increment position of servo 4 1220 November 23, 2011
by SpaceGhost
Yellow USB wire problem 15 1820 November 22, 2011
by Ralphxyz
Speakers with LEDs that light with the music 4 1168 November 14, 2011
by mongo
Strange behaviour with a DC motor 18 3826 November 10, 2011
by jfbrink
Servo Squitter Project 13 1059 November 09, 2011
by Heed
how do i run a program 4 860 November 08, 2011
by Heed
Help!!! my grades are in jeopordy 3 958 November 07, 2011
by Heed
Motor control question 2 931 November 04, 2011
by hevans
Help driving a high voltage Piezo 6 2228 November 02, 2011
by buffetrand
9V transformer more like ~15V 2 1099 October 31, 2011
by hevans
Tick Tock Clock question about which pins and long load times from DASA. 1 935 October 25, 2011
by apphilosophy
Why is reversing polarity a bad thing? 26 15559 October 24, 2011
by glendon
Measuring Capacitance 9 1818 October 24, 2011
by Ralphxyz
9 VDC 1000mA to much? 4 1062 October 21, 2011
by mongo
Hardware/software oscilloscope? 7 1538 October 19, 2011
by cyberion
R-2R ladder using random crap resistors 25 5778 October 16, 2011
by sask55
RxD / TxD Questions 10 2046 October 13, 2011
by Twarter369
Basic Electrical Toggle Switch question.. 5 1153 October 07, 2011
by scottmc94
Piezo Buzzer - help 6 1153 October 03, 2011
by scottmc94
Program Upload Error with initialload 17 859 September 30, 2011
by nerdgirl
I'm Curious About The Breadboard 2 943 September 27, 2011
by BobaMosfet
Any games for Learning Electronics? 12 3536 September 21, 2011
by sask55
Help re-purposing A Palm M100 Portable Keyboard. 3 1628 September 18, 2011
by Twarter369
I just bought a Oscilloscope!! 57 13276 September 16, 2011
by dgikuljot
Digital Multimeter will not show resistance! 12 1756 September 16, 2011
by bretm
Something fast and with a lot of memory... 5 963 September 16, 2011
by 6ofhalfdozen
595 Shift Array, BC337 Transistor and Solenoid 9 2204 September 14, 2011
by BobaMosfet
4 Transistor H-Bridge Fail 46 3669 September 10, 2011
by bretm
Nerdkit/Arduino with EL wire 34 3660 September 10, 2011
by Ralphxyz
Question about frequency and duty cycles on a multimeter 9 1154 September 01, 2011
by BobaMosfet
Dim LED 3 967 August 23, 2011
by Rocket_Man_Jeff
Embedding Multi-Core Processors 17 1136 August 23, 2011
by Twarter369
Easy Transistor Question 4 1369 August 20, 2011
by jimmyw404
Daisy chaining MC74MC595 Shift Registers 13 1863 August 18, 2011
by Ralphxyz
Building a coil?? 12 2024 August 12, 2011
by Ralphxyz
Programming the micro-controller 9 1215 July 26, 2011
by Rick_S
Advice needed for further projects with my nerdkit 3 991 July 22, 2011
by codenamejupiterx
more questions about tempsensor.c code 4 809 July 22, 2011
by codenamejupiterx
tempsensor.c code question 3 801 July 22, 2011
by codenamejupiterx
Which way does electricity flow? Positive-to-Negative or Vice Versa? 5 6098 July 22, 2011
by rboggs10
Converting input signal for ADC, impedance matching? 7 1489 July 20, 2011
by BobaMosfet
my lcd went blank except a little line that looks like a cursor 2 995 July 20, 2011
by codenamejupiterx
Temperature project unclear explanation of error in uncompiled code 5 984 July 20, 2011
by codenamejupiterx
make file errors on initialload.c 6 978 July 17, 2011
by Ralphxyz
Error: "Maybe it isn't a butterfly/AVR109 but a AVR910 device?" 3 2028 July 17, 2011
by codenamejupiterx
the make file cant locate the libnerdkits 3 987 July 17, 2011
by codenamejupiterx
avr macpack 3 922 July 16, 2011
by codenamejupiterx
acd with 2 inputs? 18 1124 July 14, 2011
by Ralphxyz
Electro-magnetism. Concept check. 14 1120 July 13, 2011
by BobaMosfet
Battery clip wires 3 914 July 10, 2011
by codenamejupiterx
Electronics advice needed 3 792 July 10, 2011
by codenamejupiterx
I cant get my lcd to work 5 831 July 10, 2011
by codenamejupiterx
2-ROW LCD Only Displaying 2 Rows of 8 dark blocks.... 3 1040 July 10, 2011
by gcharris
Help Please **** I can only use a 9v battrey sent by Nerdkits 35 1473 July 03, 2011
by wintersdb
Switching Ground with a transistor 12 4796 June 28, 2011
by dgikuljot
Powering I2C remote device? 3 1021 June 27, 2011
by Ralphxyz
rechargeable battery for project 2 1073 June 23, 2011
by BobaMosfet
TTL ULN2038 Question 40 2102 June 17, 2011
by Rick_S
Circuit board for monophonic signal generator 1 1270 June 15, 2011
by kayrock
4 Channel Voltage and Current Monitor 3 1163 June 15, 2011
by gcharris
"-U": The system could not find the file specified ERROR 6 1175 June 08, 2011
by pgdsmca
LCD Only showing 2 black Lines ????? 7 1296 June 06, 2011
by mja
A couple of questions 3 923 June 06, 2011
by Ralphxyz
How much should I strip? 3 929 June 01, 2011
by mongo
How do I interface a Parallel-In Serial Out Shift Register with my microcontroller? 8 1321 June 01, 2011
by hevans
Motor Control/MCU power bus 5 1047 May 30, 2011
by esoderberg
How do I use two Serial or Parallel-in/serial out shift registers together? 2 1342 May 29, 2011
by Rick_S
Digital Input Question 4 1030 May 28, 2011
by frankdwest
PCB arrived 20 1130 May 25, 2011
by Ralphxyz
Save state data to EEPROM with power cutoff capacitor value? 4 1500 May 24, 2011
by gcharris
Calculating bypass capacitor 6 5182 May 19, 2011
by Ralphxyz
What shift register should I buy? 4 1529 May 09, 2011
by Noter
IR current 6 1363 May 05, 2011
by missle3944
Turning on COmputer without Switch 39 1769 May 04, 2011
by hariharan
Heat sensors 21 1721 May 04, 2011
by Hexorg
error 1 2 1127 May 02, 2011
by hevans
Transistor vs mosfet 13 4130 May 01, 2011
by Noter
PCB trace width calculator 3 1980 April 24, 2011
by esoderberg
OLED display 10 1429 April 23, 2011
by Rick_S
Power Supplies 17 2370 April 22, 2011
by BobBolinger
LCD & battery&USB 4 917 April 22, 2011
by Ralphxyz
Amperage Multiplyer 6 1245 April 21, 2011
by Rick_S
ADC Theremin Help... 1 1026 April 20, 2011
by jasongillikin
RF and oscoliscope 2 1382 April 19, 2011
by mongo
Connecting to external control voltages 4 1213 April 19, 2011
by bretm
IR current question 7 1068 April 18, 2011
by BobaMosfet
What is the purpose of the resistor in this power supply? 4 1566 April 17, 2011
by rajabalu21
Not meeting input Voltage Threshold, amplify? and Do I need a buffer? (Button input, LED output) 14 1315 April 14, 2011
by bretm
USB cable issues (maybe fried) 7 1239 April 10, 2011
by uml_12
Basic projects 3 1169 April 09, 2011
by mongo
REFLOW oven 22 2650 April 07, 2011
by Rick_S
Why 5 volts is most widely used? 10 4398 April 07, 2011
by bretm
unexpected MCU rebooting 82 2395 April 05, 2011
by sask55
REFLOW Soldering 3 1424 April 05, 2011
by Ralphxyz
Setting baudrate for bluetooth connectivity 1 1286 March 31, 2011
by AbhishekBhat
Oscilation circuits 8 2597 March 30, 2011
by bretm
Black Display on LCD 6 1272 March 28, 2011
by Druidman
32kHz clock 2 1241 March 28, 2011
by Rick_S
Debouncing and External Interrupts 9 4211 March 27, 2011
by Mujda
Geiger Counter Schematic Help 3 4136 March 18, 2011
by mongo
Thermocouples, relays, and fun!!! 12 2131 March 16, 2011
by mongo
LCD problem 3 1205 March 08, 2011
by Ralphxyz
How do I determine the throw characteristics of a Relay 8 1706 March 08, 2011
by bretm
ATMega168 Microcontroller simple relay with timer examIple 3 1839 March 01, 2011
by Rick_S
Why does my LED light if i so much as get near the circuit 3 1206 February 26, 2011
by nckomodo
Using a 555 IC instead of a Crystal Oscillator? 6 2156 February 26, 2011
by Ralphxyz
Pushbutton on off code 3 1493 February 26, 2011
by amartinez
Why does my led light without the battery? 2 1678 February 26, 2011
by hevans
24 volt DC to 12 volt DC 6 4497 February 25, 2011
by JKITSON
How to Switch a Solenoid? 11 2878 February 23, 2011
by Ralphxyz
Farads and Capacitors 8 2341 February 23, 2011
by Ralphxyz
How much to switch a relay? 3 2737 February 19, 2011
by Lusitania
My first Impression 6 1346 February 16, 2011
by devinsbusiness
Understanding battery life 3 2121 February 16, 2011
by devinsbusiness
Power Supply for LED's 4 2129 February 13, 2011
by sask55
Using Devices With Different Voltages 11 1593 February 05, 2011
by BobaMosfet
High voltage lines 26 2514 February 02, 2011
by mongo
USB 3 1175 February 02, 2011
by Jalex
Ultrasonic thickness gauge with the NerdKit; interference form capacitance? 12 1698 February 02, 2011
by Jalex
Alternating LED circuit 4 1699 February 02, 2011
by Rick_S
Powering a Stepper Motor 5 2121 January 31, 2011
by il1019
Affordable oscilloscopes 43 7761 January 27, 2011
by BStory
"And"gate unfinished thought 2 1079 January 27, 2011
by Hexorg
replace MCU? 30 4762 January 26, 2011
by Jalex
Using a thermometer with the nerdkits microcontroller. 17 1584 January 25, 2011
by Ralphxyz
Multimeter! 12 3130 January 25, 2011
by Jalex
Generate a steady DC level from PWM signal 9 2069 January 25, 2011
by Jalex
My LED Cube so far 25 4867 January 24, 2011
by Keyster
what is a butterfly in hardwaring 3 1934 January 22, 2011
by Rick_S
USing Calculator as Keypad 5 1495 January 18, 2011
by dgikuljot
Counting 5 1000 January 18, 2011
by Jalex
How do I calculate the cutoff frequency...? 3 3407 January 17, 2011
by bretm
Programming 5 1525 January 14, 2011
by Ralphxyz
Induction loop actuator 7 1921 January 11, 2011
by Yourself
Begining 7 1662 January 09, 2011
by Jalex
Is Single-bit Memory Cell Diagram on Pg 14 Correct? 6 1935 January 09, 2011
by pacnwdude
uninterrupted power supply for NerdKit project 4 1796 January 09, 2011
by mrobbins
RFB12B ... what are all this terms? >_< 5 1131 January 09, 2011
by mrobbins
UART operating at 3.3V 1 1532 January 06, 2011
by Mujda
Data input voltage 6 1753 January 03, 2011
by Rick_S
MOSFET Question 7 1670 December 31, 2010
by Keyster
Transistor as a switch 5 1525 December 29, 2010
by Hexorg
Resistors 5 1997 December 28, 2010
by georgio
Problem with NPN Phototransistor 16 4583 December 28, 2010
by Ralphxyz
Problem with Voltage Regulator? 14 1530 December 28, 2010
by BobaMosfet
Relay ratings 2 1316 December 24, 2010
by mongo
Do LEDs need a series resistor to limit the current? 27 10912 December 19, 2010
by mongo
Safe, Easy and Inexpensive way to Control AC Power 3 1355 December 17, 2010
by mongo
Power Rectifier 7 1507 December 15, 2010
by Hexorg
Limitation of a battery on the NerdKit 18 2513 December 14, 2010
by danuke
This a decent oscilloscope? 8 1743 December 14, 2010
by danuke
Do resistors in series really add up? 8 2266 December 14, 2010
by danuke
Falstad circuit emulator in Java 1 1833 December 09, 2010
by bretm
L293 H-Bridge 15 2308 December 05, 2010
by devinsbusiness
Spark when using a flyback diode 3 2242 December 04, 2010
by Wheresmind
INA118 -- Instrumentation Amplifier 8 2513 December 02, 2010
by BobaMosfet
angular position sensors and multiplexing 9 1959 November 29, 2010
by d3adl0ck3
Solar cells in parallell, but no additional amperage 11 2116 November 24, 2010
by BobaMosfet
Op-amp not working 6 2148 November 24, 2010
by BobaMosfet
Python questions 4 2116 November 21, 2010
by tkopriva
CE Amp design 5 1397 November 12, 2010
by BobaMosfet
Is it possible to re-use parts from household appliances? 5 1740 November 05, 2010
by mongo
Confirming MCU clock is functioning 8 1375 November 05, 2010
by Mujda
PC4 not working?! 8 1085 November 04, 2010
by hapshetsut
Amplifiers 4 1378 October 30, 2010
by Ralphxyz
supplying power and controlling 12V motors/fans 3 1913 October 12, 2010
by JerseyGun
Transistors Versus Diodes 4 2072 October 04, 2010
by Scythium
radio interference from NerdKit 11 1362 September 27, 2010
by Rob56
USB cable and Bluetooth dongle ... 9 3261 September 14, 2010
by Ralphxyz
solar project with light sensors 7 1887 September 11, 2010
by akajester
QFP and dreadboard 2 1569 September 02, 2010
by bretm
Getting power to the spinning part... 5 1748 August 31, 2010
by Hexorg
Need help with electronics using a op-amp 21 4820 August 30, 2010
by Ralphxyz
morse code decoder 2 2042 August 26, 2010
by jonathan_m
Connecting to Computer 3 1852 August 25, 2010
by awesome
555 astable on breadboard 12 2900 August 22, 2010
by mongo
Digital Sound Recording System Need Help!! 1 1388 August 20, 2010
by xc2rx
Use 4 digit LED display using fewest possible outputs 2 1836 August 19, 2010
by hevans
mosfet 3 1407 August 13, 2010
by hevans
Good material on learning electronics. 8 1523 August 11, 2010
by TexanBackpacker
MCU Clock Implementation 2 1236 August 06, 2010
by Rick_S
Servo causes MCU to reset 4 1967 August 02, 2010
by mrobbins
More batteries = more voltage? 3 1937 July 23, 2010
by mongo
Building a motor driver/ESC for AC motor. 10 3854 July 09, 2010
by Ralphxyz
Using LM741 amp in the Piezoelectric Sound Meter Project 7 2306 July 02, 2010
by mongo
Electro Cardio Gram 4 1950 June 21, 2010
by Ralphxyz
How do I read very low voltages with the Nerdkit please? (0 to 20.0 mV) 3 1322 June 12, 2010
by Wobbler
Voltage Regulator 20 2290 June 10, 2010
by Ralphxyz
Converting Battery power to Wall Plug-in... 2 2424 June 09, 2010
by mongo
Bipolar and MOSFET transistors 3 2314 June 09, 2010
by CyberGod
high side mosfet led multiplexing 5 2316 June 07, 2010
by gnkarn
tempsensor, LM34DZ, specs. 4 1655 June 07, 2010
by BobaMosfet
Some questions (temp sensor + button) 4 1248 June 06, 2010
by Kafke
TSSOP IC! 4 1669 June 03, 2010
by mrobbins
AVcc 2 2003 May 31, 2010
by hevans
Serial Comm. vs. Clock frequency 2 1499 May 31, 2010
by hevans
Cable Driver 2 1253 May 31, 2010
by mongo
Best 9V adapter to use 2 1480 May 28, 2010
by mongo
Unidirectional microphones 5 1692 May 27, 2010
by mongo
Servo question 3 1417 May 27, 2010
by Rick_S
Understanding the clock rate and the crystal 4 1680 May 27, 2010
by hevans
Generic 120VAC adapters (transformers) 7 1454 May 27, 2010
by DavidinLA
p-channel mosfet not turning off. 3 2261 May 23, 2010
by gnkarn
Getting my head around MOSFET's 9 3988 May 21, 2010
by hevans
Chinese Solenoid 15 1581 May 10, 2010
by treymd
avrisp mkii circuit 4 2583 May 09, 2010
by BobaMosfet
4 to 16 decoder 4 1529 May 09, 2010
by mongo
Powering Nerdkit using Super Capacitor 5 3135 May 07, 2010
by rajabalu21
Simple Power Switch 6 1232 May 05, 2010
by avicell
I can haz speed! 3 1484 April 27, 2010
by Hexorg
LCD backlight control via MCU 5 2499 April 27, 2010
by mjswan
Temperature sensor and buzzer 2 2096 April 21, 2010
by bretm
Help with choosing the right resistor 10 2272 April 18, 2010
by Farmerjoecoledge
Electric field in a resistor 6 2896 April 15, 2010
by bretm
Resistor 4 1263 April 15, 2010
by mongo
MCU digital input pins 3 1142 April 15, 2010
by CyberGod
The Complete Electronics Guide 1 1691 April 09, 2010
by Shanytc
usbasp ISP Programmer 7 5529 April 04, 2010
by ese
Fun with capacitors! (And a question or 2) 4 3018 March 28, 2010
by carlhako
Laptop ground safety question 3 1643 March 27, 2010
by ese
LM34 R-C Damper 5 1857 March 24, 2010
by BobaMosfet
NerdKits & USB 5 1674 March 23, 2010
by treymd
Jumpers/headers on the cheap 1 1326 March 23, 2010
by treymd
Stepper Motor - Stepping Stone 19 2639 March 23, 2010
by ese
constant system reset 3 1238 March 23, 2010
by treymd
Cheap Components (If you're willign to wait) 5 1546 March 22, 2010
by Phrank916
When powering an inverter, my LCD becomes blank 32 2249 March 17, 2010
by mongo
Another adventure with usbasp ISP - No signal on MISO? 3 2037 March 17, 2010
by Frozenlock
What is -VS? 6 1820 March 17, 2010
by Ralphxyz
Free MIT lectures! 1 3026 March 04, 2010
by treymd
Using MCU to connect two wires 3 1661 March 03, 2010
by nrotstan
Why no Capacitors used on Oscillator? 15 4070 March 02, 2010
by Chaosrider
Found part, but don't know if I can use it 3 1468 March 02, 2010
by Solorbob
Deciphering power resistors 11 1583 March 01, 2010
by BobaMosfet
Quick mosfet question -- grounding other battery? 3 1458 March 01, 2010
by nrotstan
Understanding LEDs 16 2722 March 01, 2010
by michaeldallas
What's the part I need? 5 1396 February 27, 2010
by Hexorg
How to convert 6V rechargeable NiCd to 5V regulated to power NerdKit 5 5998 February 23, 2010
by rajabalu21
Too much power? 14 2041 February 23, 2010
by BobaMosfet
5v to 3v using nerdkit parts? 16 2611 February 21, 2010
by peabo
Why is the crystal connected to GND in every schematics, but not in the NerdKit? 7 1810 February 20, 2010
by BobaMosfet
Piezo over-voltage 15 4938 February 18, 2010
by Rick_S
Serial port interface circuit 2 2270 February 17, 2010
by mongo
OBDII project 3 1526 February 17, 2010
by Mike
Voltage Divider, Do the resistors heat up? 9 2557 February 16, 2010
by treymd
usbasp ISP Programmer - MCU getting HOT! 17 3018 February 13, 2010
by BobaMosfet
Digital pots 5 1549 January 31, 2010
by sepeters
Problem with power from 8.6V wallwort - Help! 14 1680 January 25, 2010
by sepeters
YAWWT (Yet Another Wall Wart Thread) 10 2560 January 23, 2010
by treymd
How to stop a flip flop counter from... hum.... counting? 4 2161 January 19, 2010
by mongo
Anyone heard of this Budget Soldering Station? 5 2997 January 15, 2010
by Phrank916
Resistors and Ohms Law / Kirchoff's Laws 2 1795 January 09, 2010
by Rick_S
Power a piezo with a ceramic resonator 10 2723 January 08, 2010
by mrobbins
Using Piezzo Buzzer to produce Ultrasound? 4 4328 January 02, 2010
by toric5
Pin14 ..Malfuntion 25 2072 January 01, 2010
by Farmerjoecoledge
Run from USB? 3 1605 December 27, 2009
by jgauthier
Servo Signal Noise 2 1342 December 24, 2009
by BobaMosfet
MOSFET Problem on Constant current source 9 3479 December 21, 2009
by BobaMosfet
How to Buy a MultiMeter-- Lesson Learned 8 5871 December 10, 2009
by georgio
Relays and transistors 12 5277 December 09, 2009
by BobaMosfet
Continuity or just plain connect? 16 3965 December 09, 2009
by Rick_S
IR Detector 7 2510 November 23, 2009
by mrobbins
14.7465 to 20.0000 mhz 10 2147 November 19, 2009
by mikedoug
Debug with lcd 6 1956 November 16, 2009
by Farmerjoecoledge
ATMega328p processor 2 1930 November 15, 2009
by tech20
Understanding output pin characteristics 4 1566 November 13, 2009
by mrobbins
Schematics for LED Heart Project? 12 3189 November 12, 2009
by mikedoug
Current draw observations - driving LEDs with PINs 6 1867 November 07, 2009
by rusirius
How do you wire a transistor (2N7000 or 2N3904) 7 23961 October 30, 2009
by BobaMosfet
DIY header unit 2 2167 October 10, 2009
by rusirius
Thermostat Logging 6 2451 October 09, 2009
by luke
Understanding transistors 6 2982 October 08, 2009
by mikedoug
Power from USB: current limiter with an op-amp 8 5911 October 07, 2009
by mikedoug
Currant booster 3 1408 October 07, 2009
by Farmerjoecoledge
Witch two wires 5 2020 September 11, 2009
by mrobbins
Difference between ATmega8 and ATmega168? 4 5286 August 27, 2009
by hevans
Which LED? 14 2028 August 10, 2009
by BobaMosfet
Evil battery polarity +/- understanding the basics 7 2722 August 07, 2009
by mongo
pull up, pull down resistors 7 12301 August 05, 2009
by wayward
Why do we need a resistor going from the contrast pin to the ground? 8 5360 August 05, 2009
by BobaMosfet
Current vs Voltage on a circuit 17 3344 August 05, 2009
by BobaMosfet
Power MOSFET - Understanding and headaches 4 2935 July 07, 2009
by sector0
Reset switch for circuit 3 1845 June 27, 2009
by sector0
Online circuit simulator/intuition builder 2 24019 June 16, 2009
by TBNK
I don't understand the cap on the MC power supply 12 2078 June 12, 2009
by luisgarciaalanis
what resistors to use when connecting a new IC 5 1884 June 01, 2009
by luisgarciaalanis
wallwart safety? 4 1904 May 31, 2009
by luisgarciaalanis
Tired of draining 9V batteries? Cheap and easy to set up Lab DC Power Supply 2 2463 May 31, 2009
by luisgarciaalanis
Dimming LCD Problem 6 1790 May 06, 2009
by paulip

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