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This project describes two games – Tetris and Snake, both programmed inside an Atmega168 microcontroller. You can plug this device to a PAL TV and have fun playing the games. The circuit diagram is very simple and uses resistors to generate composite video output.
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MikroEleketronika demonstrates how to build a simple home alarm system that has the capability of sending SMS to a predefined cell phone number when intrusion is detected. This project is based on StartUSB for PIC board, a small development board for PIC18F2550, which is preprogrammed with an USB bootloder so that no additional programmer is required to load the firmware. The SMS portion uses a SmartGM862 Board, which is a full-featured development tool for the Telit’s GM862 GSM/GPRS module. All the boards required for this project can be purchased as SMS Home Alarm Kit from mikroElektronika. A demonstration software for
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Mikroelektronika has released their latest version of universal development board, UNI-DS6, that supports eight different microcontrollers, namely PIC16F887, PIC18F8520, dsPIC30F6014A, Atmega128, CY8C27643, LPC2148, LPC2214, and AT89S8253. A separate mikroBoard for each of these microcontrollers are available, which can be inserted into the main development board so that you can perform experiments with your choice of microcontroller while the rest of the board remains the same. Each of the mikroBoards consists of an on-board programmer so no external programmer is required. The development board is fully featured with regulated power supply, external 12-bit ADC, USB-UART support, USB connector, serial EEPROM, standard
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After writing quite a bit of experimental tutorials on PIC16F series of microcontrollers, I thought of moving forward to the enhanced-range family of PIC microcontrollers, the PIC18F, which was introduced by Microchip in late 90s. Although PIC16F series are excellent general purpose microcontrollers, certain limitations have emerged, such as, they have limited program and data memory, their stack size is small, and all the interrupt sources have to share a single interrupt vector. Their limited instruction set also doesn’t provide direct support for more advanced peripherals interfaces like USB and CAN. The basis of the PIC18F Series is to address
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Chris (@ pyroelectro.com) built his own airsoft turret gun that can rotate, tilt up and down, and fire very precisely. It is controlled through IR signals from a generic TV remote. The PIC18F4520 microcontroller is the brain of this project, which interprets the received IR signals from the TV remote and control the motion and the firing mechanism inside the gun. It is able to rotate upto 180° or more left and right, and the barrel can go up to 45° towards the sky.
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