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Put actual relay schematic in.
author Daniel O'Connor <darius@dons.net.au>
date Sun, 15 Feb 2015 20:07:22 +1030
parents e591c74304a2
children
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AVR board is an AVR-SDK2 http://www.micro-research.co.th/AVR-SDK2.html
See datasheets/AVR-SDK2-ENG.pdf

Relay board is a http://www.etteam.com/product/13A05.html
See datasheets/RELEYOUTPUT.JPG

4 output relay board is connected to PB4:7.
1 wire bus is connected to PB0.
MaxStream ZigBee module is connected to USART0 (in transparent mode) PD0:1.
A DS1307 is connected via I2C to PC0:1

Relay board drives solenoids through a PTC and the voltage is monitored by a 910k/100k resistor divider with Zener diode protection to PA0.