Africa's Talking Eris Development Kits contain a series of microcontroller boards compatible with STM32Cube IDE and Arduino IDE. Eris v1 kits and boards ship with an STM32F103 Chip packaged in a manner that is both beginner friendly and also feature-packed for intermediate hobbyists. At the core is 72MHz ARM Cortex M3 with 64Kb of flash memory. The board ships with an inbuilt FTDI chip making it easy to program and SWD interface for easy debugging.
View full spec sheet here.
You can order Eris Dev Kit from Africa’s Talking using the link below.