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Hirehamva Elektronika blog

Ice Cream Sandwich

This application is for programming the Uni-timer timer unit. (serves educational purposes )
Uni-timer is an Arduino hardware based universal timer-unit with 4 relays, which can be programmed to switch on and off individually or in group at 24 different time periods .
The purpose of the project was to build an ultra cheep programmable timer, which will control a sprinkler system, but happened to be useful for other applications what include timing. The smallest timing scale is 1 minute.

The circuit is made from few cheep modules. The timing can be set via Bluetooth with an Android application also written by yours truly.
How to build, program the hardware:
https://www.instructables.com/id/Universal-Timer-Sprinkler-Controller/

Uni-timer

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