Hardware: https://www.seeedstudio.com/Grove-Beginner-Kit-for-Arduino-p-4549.html https://wiki.seeedstudio.com/Grove-Beginner-Kit-For-Arduino/
Add this to the comma-separated "Additional Boards Manager URLs" field in Arduino Preferences https://raw.githubusercontent.com/Seeed-Studio/Seeed_Platform/master/package_legacy_seeeduino_boards_index.json
Must be installed via Arduino menu Sketch / Include Library / Manage Libraries...
- Grove Temperature and Humidity Sensor library
- Grove - Barometer Sensor BMP280 library
- U8g2_for_Adafruit_GFX
- Blues Wireless Notecard
- Grove-3-Axis-Digital-Accelerometer-2g-to-16g-LIS3DHTR
In Arduino IDE:
- Select Tools / Board / Seeeduino Lotus
- Select Tools / Port / (the com port on your PC with Silicon Labs "SLAB" USB interface)