IR Hack Turns Kid’s Lamp Into Temp Display

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Sometimes a clever hack of an off-the-shelf product can come courtesy of its dismantling and hardware modification, but at other times the most elegant of hacks can be made without ever turning a screwdriver. [Brian Lough] was given the request by a friend to replicate a commercial child’s night light that changed colour with temperature, and his response was to use an off-the-shelf colour changing kids light unmodified, sending it temperature-related colour commands via its infra-red control.

His device is a spectacularly simple one hardware-wise using an off-the-shelf Wemos D2 Mini ESP8266 board running an Arduino bootloader, coupled with a BME280 temperature sensor, IR receiver, and transmitter. His video which we’ve placed below the break is a handy primer to anyone with an interest in infra-red reverse engineering, and we can see that there will be other projects that could be seeded by it. For those curious enough to look, it can be found on GitHub.

[Brian] has appeared here so many times, and is definitely worth a follow. One of his more recent builds featured another child’s toy augmented to make it something really special.

Read more: hackaday.com