◈ STM32 Bluepill Emulator

STM32F103C8 · full-system WASM emulation in your browser GitHub About Idle

Blue Pill Board

output high output low input mode

Run Controls

Pick a preset (or load your own .bin/.hex/.elf), then press Run. Some demos auto-run and print results in the terminal below. Load a .map after the firmware for PC → symbol names.

Instructions 0 Steps 0 Speed — Avg MIPS — PC -------- SP --------

UART Terminal

Bluepill emulator ready. Load firmware to begin.
Press Enter to send

GPIO State

Load a preset or firmware to see live GPIO pin state