With the availability of inexpensive modules, it has ended up being simple to hack/make stuff at house as well as house appliances see the most innovative hacks of all. In one such hack, [Vadim] takes the diy path to adding battery backup to his gas heater.

His existing system operates on two D-type batteries which requirement to be replaced when they are depleted. [Vadim] wished to carry out a reversible technique considering that he lives in a rented place. He replaced the original cells with battery adaptors as well as brought out the connections utilizing two wires. He then proceeded to add two cellphone batteries with a TPS54233 regulator so as to supply the preferred voltage to the gas heater. This is fascinating considering that the module utilized is an official Texas Instruments EVM instead of the standard eBay purchase.

The batteries in concern are charged utilizing modules based on the TP4056 which in turn are fed 5V from power supply modules. The DC voltage is coupled with a LM1117 to supply power to the heater from the mains as well as the switch over is accomplished utilizing an SPDT relay. The enclosure is a humble box which resembles a plastic food container as well as is fitted with PG9 cord glands together with a fuse holder to boot. Take a look at the original publish for a plethora of pictures as well as details of construction.

This an exceptional example of a job that came together utilizing offered parts to fix a issue without the frills. The diy fish feeder is one more example of a job with practical style as well as is a fantastic example of DIY.