The Senior Pillbox aims to provide a low-cost, fully electronic circuit-based solution with minimal human intervention ...
The 555 adjustable timer circuit starts timing when switched on. The green LED lights to show that timing is in progress. When the time period is over the green LED turns OFF, the red LED turns ON and ...
ET Timer is an expanded version of the AT/FT Time Delay products and can be added as an option to many of the Dortronics push buttons, key switches and sounders. The new ET Timers are powered from a ...
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