ECE 455Dan BrownCody Lynn

Android Controlled Relay Box

Concept

ONOFF

OFF

OFF

COM OKMCU

• Bluetooth Communication• Single Power Supply Input– Powers both Load and MCU

• Relay State Feedback

Features

Relay Box

Hardware

Bluetooth to UART

DPST 12V Relay

Microchip PIC Microprocessor

Arduino Nano

• Control Device:– Android Based App for Android 4.2 Jelly Bean

and Up

• Relay Device:– Bluetooth to UART communication

• Virtual Serial Port

– PIC or Arduino programmed in C

Software

SourcesBluetooth Picture:http://arduino.computer-parts-store.com/174_BT2S_Bluetooth_To_Serial_Slave.htmlAutomotive Relay:http://www.parts-express.com/12-vdc-automotive-5-pin-relay-spdt-30-40a-bosch-type--330-073Arduino Nano:http://evolutiontoys.com/arduino-nano-p-217.htmlPIC:http://www.fctt.org.uk/?q=pic18-guide-assembling-linking-and-programming-linux