DIY Cooking Temperature Meter: Difference between revisions

Revision as of 14:57, 3 July 2026

A simple (but updatable) cooking thermometer based on ESP32.

Functions

Measure, log, display and save the temperature
Send data using bt or create a local web server which shows the data.
Allow taking timed photos (a photo at a given time) and show it on a (saved) temp log.

ESP32: ideaspark® ESP32 Entwicklungsboard 1,14 Zoll 135x240 full color LCD-Display,CH340,WiFi+BL. ST7789 driver, I2C. CH340
- Display area: 14.864 × 24.912 mm²
- Panel size: 17.6 × 31.0 × 1.6 mm³
- Display current 20mA.
- Display ports: VCC: VCC, GND: GND, D2(GPIO2): DC, D4: RST, D15: CS, D18: SCLK, D23: MOSI, D32: BLK.
Temperature probe; THERMOPRO copy (including TP20, TP17, and TP-16, TP-16S,TP08S, TP25, TP07, TP17H, TP27, TP06S, TP09, TP28). Max temp 380°C (716°F) with 3.5 mm stereo jack.
Battery pack: Battery Shield V3 Raspberry Pi / Arduino / ESP32 - 1x 18650 (from FunDuino)
- Breakdown of the components: https://www.edn.com/battery-shield/
- https://nerd-corner.com/review-battery-shield-v3-diy-powerbank-with-lipo-18650/
- https://www.youtube.com/watch?v=T70mBHeIOZA

@@ Line 11: / Line 11: @@
 <gallery>
+Esp32 display back.jpg|The ESP 32
+Esp32 display front.jpg|The front side of the ESP32 with the display
+Batteryshieldv3 front.jpg|The battery shield from the front.
+Batteryshieldv3 back.jpg|The battery shield from the back.
 DIY cooking temp samplecode.png|A sample file from the provider.
 </gallery>