There are 4 repositories under pikapython topic.
L1 R1:WCH RISC-V4A BLE SoC (CH583/CH582/CH581)
L2 R2: ST 64MHz Cortex-M0 MCU (STM32G030/STM32G031)
L2 R2:Espressif 160MHz RISC-V Wi-Fi/BLE SoC (ESP32-C3)
ultra-lightweight Python engine runs with only 4KB RAM
L2 R2: ST Cortex-M0 64MHz MCU (STM32G070)