For Project Examples with Code and Instructions, visit https://RandomNerdTutorials.com/ttgo-t-journal-esp32-camera-getting-started/Buy the TTGO T-Journal ...
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Plug your ESP32 board into your computer’s USB port. Build and flash your TinyGo code using the tinygo flash command. This command flashes the ESP32 with the blinky1 example: tinygo flash -target=esp32-coreboard-v2 -port=/dev/ttyUSB0 examples/blinky1 The ESP32 board should restart and then begin running your program. CLI Flashing on macOS
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I need an ESP32 with an i2c MCP9808 sensor to send data via BLE to a Raspberry Pi 3B+. I assume it would be done with MQTT-SN but can be done anyway as long as Wifi is not used. It can be done on Arduino or Micro-Python I will need the ESP32 code and a step by step guide on configuring the Raspberry Pi. I used D22 and D21 pins in my ESP32 MCU, as they are also used for I2C_SDA and I2C_SCL interfacing (checkout pinout diagram here) Summarizing, the pins you need to connect are: ESP32 GND to SENSOR GND. ESP32 3.3 to SENSOR VIN. ESP32 D22 to SENSOR SDA. ESP32 D21 to SENSOR SCL. Once you have all the pins connected it’s software time.