MAX30208

Note

Before using it, please install Get Started.

Introduction

This document is a T-Wristband-MAX30208 example description. A MAX30208 sensor for instructing the user on how to use the T-Wristband.

Arduino

T-Wristband can choose ESP32 Dev Module, and other settings can be kept as default.

Warning

T-Wristband does not use PSRAM, please do not enable PSRAM, and call PSRAM functions.

Related Function Switch

By modifying T-Wristband-MAX30208.ino The related macros in _ enable or disable certain functions.

Hardware Test

The FACTORY_HW_TEST macro is used to test whether the hardware status of the bracelet is normal. It is disabled by default.

// #define FACTORY_HW_TEST     //! Test RTC and WiFi scan when enabled

OTA update

The ARDUINO_OTA_UPDATE macro is used to enable the OTA update function, which is disabled by default.

// #define ARDUINO_OTA_UPDATE      //! Enable this line OTA update

User Manual

OTA update:

1. Touch and hold the button for three seconds to do a WiFi reset.

2. Select T-Wristband in the Arduino IDE port to upgrade over the air, as shown below:

   

Note

Enable ARDUINO_OTA_UPDATE macro OTA update is valid.

Datasheet

• ESP32-PICO-D4 (Datasheet)

• ST7735 (Datasheet)

• MAX30208 (Datasheet)

Pinout

Name	Pin
DRV_SDA	15
DRV_SCL	13