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Wireless control of any battery powered devices

25.01.2013

Home automation is becoming more and more accessible, today it is possible to add remote control functions to household appliances without having deep technical knowledge. Once again, this was proved by the Tetherboard company, which demonstrated the Tethercell electronic block. Using this module, you can wirelessly control almost any device powered by AA batteries.

AA batteries are compact, and it is very difficult to supplement them with any external modules, otherwise the battery compartment may simply not close. Therefore, Tetherboard engineers went for a little trick, the Tethercell electronic unit has the size and shape of an AA battery, and inside it there is a place to place an AAA battery, that is, an even more compact, but less capacious battery. The free space is occupied by the control electronics, including the Bluetooth module as a channel for wireless control.

The system works extremely simply. The user replaces one of the AA batteries in the compartment with an AAA element in the Tethercell case, with a smartphone and the appropriate application, the result is a wireless programmable switch. The applet allows you to set timers and set a schedule for turning on / off any device, in addition, the smartphone owner receives a timely notification when the battery runs out.

It is reported that the Tethercell device was invented by a father of three children who harassed dad with the sounds of a toy electric guitar and ignored all the requests of the parent to stop this disgrace. Perhaps the only drawback of the gadget is the small range of the Bluetooth module. At the moment, investments are being collected on the Indiegogo portal to launch the Tethercell project into mass production, with an estimated retail price of $35.

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