Revision 1 of the emulator using SAMD20.
20 August 2021
Revision 2 of the emulator using SAMD20.
9 December 2021
Revision 4 of the emulator using the RP2040.
6 June 2022
Revision 5 of the emulator using the RP2040 and space for ESP32.
5 October 2022
Final revision 7 of the emulator using the RP2040 and ESP32.
28 May 2023