Circuit Lake » wireless project

Simple Wireless Security System

admin — Mon, 16 Aug 2010 01:38:45 +0000

The Simple Wireless Security System is a security system that includes a ZigBee wireless door sensor and a PC interface. The door sensor mounts near the garage doors, and it detects the open/closed state using reed switches and magnets. The Atmel Attiny45 microcontroller fits in nicely with design because of its small size, low [...]

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PIC Wireless Servo Controller

admin — Wed, 11 Nov 2009 02:51:30 +0000

The wireless servo controller project build to control of two servo motors wirelessly. It can be use as wireless camera tracking or other robotics project. Both receiver and transmitter use a 24G 2.4GHz wireless modules. The receiver use PIC18LF2550 microcontroller with firmware written using CCS PIC C compile. This project can control any standard servos [...]

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USB Wireless Temperature And Humidity Sensor

admin — Fri, 09 Oct 2009 20:42:40 +0000

This data logger project based on firmware-only USB implementation. There are two part in this project, transmitter and receiver. The transmitter consist of ATTiny45 microcontroller, a SHT11 sensor (digital temperature and humidity sensor) and a hoperf RFM12 868 MHz transceiver module. The transmitter powered by 2 AA cells. While the receiver uses ATMega8 µC and [...]

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RS232 to Infrared Converter Project

admin — Mon, 10 Aug 2009 01:04:30 +0000

This is a Serial interface to IR converter project using PIC microcontroller. The project use Infra-Red to receive and transmit the data from serial interface. RS232 waveforms in this project operating at 5V TTL levels not +/-12V levels. It’s good to transmit your sequence of bits modulated as a series wirelessly. By sending commands on [...]

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