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ESP32 Max v1.0 Quad Thermocouple Housing w/Display — zdjęcie 1
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ESP32 Max v1.0 Quad Thermocouple Housing w/Display

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Mounting box for an ESP32 Max v1.0 (Arduino UNO R3 Clone) dev board and four (4) single MAX6675 TC Sensors.

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Źródło
Printables
Kategoria
Electronics
Licencja
Creative Commons — Attribution — Share Alike

This is a basic box to mount an ESP32 Max v1.0 Development board and four single MAX6675 modules (spi bus) that are compatible with K-Type thermocouples and a local display (i2c bus).  The intent of this project was to be able to remotely monitor up to four temperature probes/sensors on a BBQ smoker while cooking food via ESPHome integration into HomeAssistant.  Wiring is relatively straight forward, but building the bundled wiring harness (soldering required) was a bit of a challenge to simplify wiring volume (each MAX6675 sensor requires 5 wires: GND, VCC+, clk_pin, miso_pin, cs_pin).  Model has openings to gain access to the TC wire leads and screws.  ESP32 can be flashed w/ESPHome to work w/HomeAssistant.  Box lid/cover is a friction fit to base.  No hardware or glue required.  Print flat on build plate for base and secondary MAX6675 module mount, no supports required.  Lid/Cover will require orienting and printing with supports.  I found that printing upside down was the easiest with minimal supports, but gives a rough surface appearance from some of the cover faces.  Screws used to secure components were M2x5mm and standard breadboard jumper wires were utilized (some MAX6675 kits come with wiring as well).  You may need some washers to secure the MAX6675 modules as the mounting hole is slightly larger than the M2 screw heads.  I have included a quick model for that as well.  I also included a sample file of my YAML code that is compatible with ESPHome.

Links to items used below.

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