DIY Cooking Temperature Meter: Difference between revisions
From wikiluntti
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Esp32 display front.jpg|The front side of the ESP32 with the display | Esp32 display front.jpg|The front side of the ESP32 with the display | ||
Batteryshieldv3 front.jpg|The battery shield from the front. | Batteryshieldv3 front.jpg|The battery shield from the front. | ||
Batteryshieldv3 back.jpg|The battery shield from the back. | Batteryshieldv3 back.jpg|The battery shield from the back. The two leds1, L1 and L2 are in the middle of the board. | ||
DIY cooking temp samplecode.png|A sample file from the provider. | DIY cooking temp samplecode.png|A sample file from the provider. | ||
</gallery> | </gallery> | ||
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** https://nerd-corner.com/review-battery-shield-v3-diy-powerbank-with-lipo-18650/ | ** https://nerd-corner.com/review-battery-shield-v3-diy-powerbank-with-lipo-18650/ | ||
** https://www.youtube.com/watch?v=T70mBHeIOZA | ** https://www.youtube.com/watch?v=T70mBHeIOZA | ||
=== Battery Pack === | |||
The charging voltage is 4.2 V and the charging current is 500 mA. Note the on/off switch, when plugging or unplugging the lipo battery, the On/OFF switch only switches the USB port. The 3 x 3 V and 3 x 5 V solder pins cannot be switched on and off by this switch | |||
Deep discharge protection | |||
The charging process on the module is indicated by a LED. Red means that the battery is charging and green signifies that charging is complete. | |||
The battery shield connec | The battery shield connec | ||
Revision as of 15:05, 3 July 2026
Introduction
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.
Material
-
The ESP 32
-
The front side of the ESP32 with the display
-
The battery shield from the front.
-
The battery shield from the back. The two leds1, L1 and L2 are in the middle of the board.
-
A sample file from the provider.
- 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)
Battery Pack
The charging voltage is 4.2 V and the charging current is 500 mA. Note the on/off switch, when plugging or unplugging the lipo battery, the On/OFF switch only switches the USB port. The 3 x 3 V and 3 x 5 V solder pins cannot be switched on and off by this switch
Deep discharge protection
The charging process on the module is indicated by a LED. Red means that the battery is charging and green signifies that charging is complete.
The battery shield connec
