안녕하세요! 저는 Crem2y(크렘티)입니다.

임베디드 시스템을 중심으로 펌웨어를 개발하고 있으며, 필요에 따라 직접 하드웨어도 설계합니다.

로우레벨 프로그래밍, 커스텀 프로토콜, MCU 기반 시스템 설계를 주로 다룹니다.

• pico-console-v2
  • Dual-RP2350 bare-metal handheld platform with custom firmware and hardware.
  • Layered firmware architecture, bridge protocol, graphics, audio, input, storage, and sensors.
  • Hardware: Main Board · Console PCB
  • Applications: Game Boy Emulator · MIDI Player

• super-custom-keyboard
  • Modular custom keyboard platform with custom firmware and hardware.
  • Distributed MCU modules connected over I²C.

• graphic-preview
  • VS Code extension for previewing embedded bitmap/image data directly from C/C++ arrays.

• logue-like
  • A lightweight, turn-based roguelike inspired by the original Rogue.
  • Features limited-information gameplay and a portable game core with separated simulation, dungeon generation, and rendering.

• Bare-metal firmware
• MCU-based system architecture
• Device drivers and middleware
• Custom communication protocols

• PCB and circuit design
• Board bring-up and debugging
• EDA Tools: KiCad, Altium, PADS, EasyEDA

• Languages: C, C++, Python, Lua
• MCUs: RP2040/RP2350, STM32, nRF52, AVR, ESP32
• Communication: UART, SPI, I²C, RS-232, RS-485, BLE, Ethernet
• Tools: Git, CMake, Wireshark, Docker

• Pico Console V1
  • First-generation RP2040 handheld console platform

• Ko-fi