See these pictures: https://blog.adafruit.com/2020/12/16/new-products-bbc-doctor-who-hifive-inventor-complete-kit-computer-only/ https://blog.adafruit.com/2020/

See these pictures: https://blog.adafruit.com/2020/12/16/new-products-bbc-doctor-who-hifive-inventor-complete-kit-computer-only/ https://blog.adafruit.com/2020/12/16/new-products-bbc-doctor... It has a SiFive processor, an ESP32, and a Cortex-M4 http://www.farnell.com/datasheets/1844104.pdf http://www.farnell.com/datasheets/1844104.pdf