RS-422 Valve Control and Ultrasound Sensor Interface

 

 

Design by
Bill Vorn
Montréal (Québec) Canada
© 2005

Circuit design, electronics, programming by
Martin Peach

 

 

Description

 

The RS-422 Valve Control and Ultrasound Sensor Interface is a 8-channel device that converts RS-422 messages to 110 VAC. These outputs can be used to control 110 VAC air valves or dimm light bulbs. It also has 3 inputs for Devantech SRF04 ultrasound sensors. It is based on the PIC microcontroller.

 


Front view

Back view

 

 

Technical Specs

 

 

• Dimensions

• DC Power

• Output

• Input

9 (H) x 20 (W) x 15 (D) cm

12 VDC

110 VAC, 12 VDC, RS-422 (Block Terminals)

RS-422, SRF04 sensors, (Block Terminals)

 

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© Bill Vorn 2014