0.21.0

• new devices

  • lsm6ds3tr: initial implementation
  • UC8151: used in Pimoroni's badger2040 e-paper (#416)
  • scd4x: implement driver for CO2 sensor

• enhancements

  • easystepper: Add support for '8-step mode'
  • vl53l1x: Add functions for setting the device address
  • sdcard: support thingplus-rp2040
  • wifinina: add mutex to prevent communication race problems
  • ws2812
    • support thingplus-rp2040 board
    • Added 125 MHz rp2040 timing
    • Added unsafe.Pointer for pointer conversion

• bugfixes

  • ssd1351: Fix mirrored text on OLED display