Programmable Timer/Counter based on STM32F103 and 7-seg LED module with FRAM NV memory storage Fujitsu MB85RS128B. Using internal HW timers for jitter-free operation.
Check also ARCUT - Programmable Stepper Motor Controller project based on same HW setup with additional programable options: https://www.youtube.com/watch?v=xA_-619ie-4