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Control Heavy duty motors upto 12A
Hi,   Does anyone know of DC motor driver (controller) schematics and details which can control heavy motors upto 12A or 15A? On an other note, I have come across this link...
Wednesday, 24 September 2014 - 11:13
Working with "AND" logic - SOLVED
Hi,   I have this piece of code which should toggle rgb led status. void rgbSet(led_t rgb, bool status) { if(rgb & LED_RED) { if (status) RED_LED_PORT...
Friday, 19 September 2014 - 06:38
Dividing F_CPU and printing on LCD not working
Hi, I am working with Atmega328 microcontroller have defined F_CPU as 8000000 (8Mhz) and below Macro: #define INSTR_PER_US F_CPU/1000000 // instructions per microsecond Now, I...
Tuesday, 2 September 2014 - 19:06
Sending Joystick value over RF
Hi, I am trying to design a robot controlled over rf. Using atmega328, I am able to transmit and receive over rf. But all I am doing is sending predefined characters (1 byte) over...
Tuesday, 29 July 2014 - 10:27
Uploading Program using LIttlewire ATiny85 setup
Hi, I just built a neat Attiny85 board using the schematic shown in littlewire.cc and uploaded littlewire bootloader (littlewire_v13.hex) into it. It asked me for windows driver...
Sunday, 15 June 2014 - 12:56
Calibrating Line sensor for Line follower robot
Hi, I found a code online for controlling a line follower robot. I tried to implement that code and not able to understand a part of it. unsigned char midpoint[5] = { 0,0,0,0,0...
Monday, 7 April 2014 - 19:50
Ultrasonic & Servo in the same timer
Hi, I am doing a project where I need to use an ultrasonic sensor and a servo from Atmega328P. Since I have used timer0 and timer2 for controlling DC motors (and servo seems to...
Thursday, 27 March 2014 - 06:28
Logic Inverter using Transistor
Hi, I have designed a sensor which gives logic low (0V) as output when it senses objects, otherwise logic high (5V). I want this circuit to be connected to a 555 circuit. Now the...
Wednesday, 6 November 2013 - 19:11
Calculate photometric percentage from RGB LED
I just got a few RGB led's and trying to get white color out of it. When I run all three LEDs' at 100%, it gives out RED light. Blue and Green are not visible. When I turn off RED...
Thursday, 11 July 2013 - 11:18
EMI Filter and ESD Suppressor
Hi, What is the best design for EMI Filter and ESD Suppression for Atmega32U4? Each board designer seems to use a different technique. Some use TVS-diodes and others use Ferrite...
Tuesday, 2 July 2013 - 15:14
Need Proteus Microusb Standard AB Model
Hi, Does anyone have and would like to share microusb model for proteus? Thanks, Pravi
Thursday, 23 May 2013 - 15:59
Atmega32u4 Development Board
Hi, I am designing a development board using Atmega32U4 microcontroller. Here is the attached schematic of the same. Since I am planning to make hardware opensource, I have no...
Sunday, 24 February 2013 - 16:07