Often you require to know the temperature of a little something from a means away. That might be a smoker, a barbecue, or even a rabbit hutch. This job from [Discreet Mayor] may just be what you’re hunting for.
It consists of a MAX31855 thermocouple amplifier, created for functioning with frequently-obtainable K-variety thermocouples. This is hooked up to a Texas Devices CC1312 microcontroller, which sends the thermal measurements out around the 802.15.4 protocol, the same which underlies systems like Zigbee and Thread. It’s able to mail radio messages in excess of prolonged distances devoid of employing a ton of energy, enabling the undertaking to run off a CR2023 coin mobile battery. Put together with firmware that sleeps the process when it’s not using measurements, [Discreet Mayor] expects the challenge to run up to several yrs on a solitary battery.
The messages are picked up and logged in a Grafana set up, exactly where they can readily be graphed. For extra utility, any temperatures outdoors a preset range will result in a smartphone notify by way of IFTTT.
Preserving a shut eye on temperatures is a key to making very good foodstuff with a smoker, so this task really should provide [Discreet Mayor] effectively. For anybody else hunting to keep an eye on temperatures remotely with a minimal of fuss, it ought to also do perfectly!