2023-02-10

Fun with BLE and a hot tub

I have found some rather nice little BLE temperature sensors with 5 year life, and waterproof.

Obviously the first thing to do it put one in the hot tub :-)

Of course I need something to receive this, and these are actually nice and send a proper temperature reading in the BLE advertisement every few seconds. So time to make some code for ESP32.

The problem is water and radio to not work well, so I actually need to put it close to the hot tub.


So this is the ESP32 gateway - it is one of the smallest boards I have made, and designed to go directly in to a USB socket.

And now I have a garden BLE/WiFi gateway :-)

No comments:

Post a Comment

Comments are moderated purely to filter out obvious spam, but it means they may not show immediately.

One Touch Switching

It has been some weeks since One Touch Switching was fully live. TOTSCO say over 100,000 switch orders now, so it is making good progress, ...