STM32 BluePill development board with STM32F103C6T6 (clone) This development board, the STM32F103C6T6, is compatible with ARDUINO and other popular solutions. It features a 32-bit ARM 32 Cortex-M3 processor, and its flash memory is 34 KB and SRAM is 10 KB. It accepts an input/output voltage of 2.0 to 3.6 V, and its size is approximately 55 x 22 x 6 mm. This is a simpler version of the STM32F103C8T6 and is perfect for most applications. FLASH and RAM are 32K and 10K respectively. https://elecena.pl/product/24035485/stm32f103c6t6-stm32-cortex-m3-bluepill-compatible-module-arm-arduino 2023-08-15 https://elecena.pl/product/24035485/stm32f103c6t6-stm32-cortex-m3-bluepill-compatible-module-arm-arduino 2025-10-29