ESP32 Temperature Monitor and Timer

A ESP32 based Temperture monitor and timer with ST7789 TFT Display

ESP32_Temp_Monitor_Timer_Demo.mp4

Components:

• ESP WROOM 32
• ST7789 TFT Display
• MAX6677 Thermocouple module

Pinout Configuration:

ST7789 TFT Display:

#define TFT_MOSI 23   //  Master Out Slave In pin
#define TFT_SCLK 18   // Serial Clock Pin
#define TFT_CS 15     // Chip select pin
#define TFT_DC 2      // Data/Command pin
#define TFT_RST 4     // Reset pin
#define TFT_BLK 32    // Backlight (BLK) pin

MAX6675 Thermocouple:

#define MAX6675_CS_PIN  5   // Chip Select Pin
#define MAX6675_SCK_PIN 14  // SPI Clock Pin
#define MAX6675_MISO_PIN 12 // SPI MISO Pin

Rotary Encoder:

#define ROTARY_PIN_A  27  // Signal pin A
#define ROTARY_PIN_B   26  // Signal pin B
#define ROTARY_PIN_SW   25  // Push button pin

How to run:

This project can be build and uploaded to the ESP32 (or Arduino) using PlatformIO:

1. Build the Project

To compile the project:

pio run

2. Upload the Firmware (Optional)

To build and upload the firmware to the board:

pio run --target upload

3. Monitor Serial Output

To open the serial monitor:

pio device monitor

4. Combined Build and Monitor (additional)

If you want to build, upload, and monitor in sequence:

pio run --target upload && pio device monitor

Common Serial Monitor Options (additional)

You can specify the baud rate (this project uses 9600):

pio device monitor --baud 9600