At times you have to have to know the temperature of one thing from a approaches away. That could possibly be a smoker, a barbecue, or even a rabbit hutch. This job from [Discreet Mayor] may just be what you’re seeking for.
It consists of a MAX31855 thermocouple amplifier, designed for operating with typically-obtainable K-form thermocouples. This is hooked up to a Texas Devices CC1312 microcontroller, which sends the thermal measurements out around the 802.15.4 protocol, the identical which underlies systems like Zigbee and Thread. It is able to deliver radio messages more than long distances without using a great deal of energy, making it possible for the undertaking to run off a CR2023 coin cell battery. Combined with firmware that sleeps the method when it’s not using measurements, [Discreet Mayor] expects the undertaking to operate up to many yrs on a solitary battery.
The messages are picked up and logged in a Grafana set up, where by they can commonly be graphed. For added utility, any temperatures outdoors a preset vary will set off a smartphone inform by means of IFTTT.
Retaining a close eye on temperatures is a vital to earning excellent foods with a smoker, so this job really should provide [Discreet Mayor] perfectly. For anybody else looking to keep an eye on temperatures remotely with a least of fuss, it ought to also do properly!