Designed in 2023, this board combines Raspberry CM4 with Arduino Leonardo ATmega32U4 for co-processing microcontroller, which is dedicated for running real-time critical tasks.
Key Features
- Raspberry Pi Compute Module 4 placeholder
- 1 x HDMI (HDMI 2.0 port up to 4Kp60 supported)
- 1 x 1Gb Ethernet
- 1 x 4-port USB 2.0 hub (Terminus FE1.1S, USB 2.0 high speed 4-port hub controller)
- 2 x Co-processing Arduino (Microchip ATmega32U4, 8-bit Microcontroller with 16/32K bytes of ISP Flash and USB Controller)
- 11 x digital IO for fire alarm, Wiegand door sensor, LEDs, etc.
- 2 x relay
- 1 x 2.8in/3.5in TFT LCD with touch panel (ILI9325/9328/HX8357 compatible) on daughter board
- 7 x RGB color LED on daughter board
- 24V input power supply
- Backup battery charger (ShangHai Consonance Elec CN3765, 4A multi-chemistry battery charger)
PCB Design
- Designed in EasyEDA Pro
- Prototyped by JLCPCB
