The reTerminal is a compact yet powerful 5-inch HMI device powered by the Raspberry Pi Compute Module 4 (CM4108032). Featuring a high-resolution capacitive touchscreen, modular expansion interface, and rich connectivity options, it serves as a versatile platform for edge computing, IIoT, and personal development projects.
Feature
Raspberry Pi CM4 All-in-One Board
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64-bit Quad-core Cortex-A72 @ 1.5GHz
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8GB LPDDR4 RAM with on-die ECC
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32GB eMMC storage, pre-installed Linux OS
Modular and Expandable Design
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Industrial high-speed expansion header
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40-pin Raspberry Pi compatible GPIO
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PCIe Gen2 (5Gbps) + USB 2.0 vertical interface
Rich Interfaces and Built-in Components
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USB Type-A, Gigabit Ethernet, Micro HDMI
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MicroSD card slot, MIPI CSI camera interface
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Built-in RTC, accelerometer, light sensor, buzzer
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Programmable buttons for custom UI/UX
Personal & Industrial Applications
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Supports dashboards, TensorFlow Lite, Node-RED
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Secure co-processor (ATECC608A) for hardware-level encryption
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Great fit for IIoT edge nodes, AI learning, and smart control systems
Specification
Platform
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Processor: Broadcom BCM2711 quad-core Cortex-A72
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Frequency: 64-bit SoC @ 1.5GHz
Memory
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RAM: 8GB LPDDR4
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Storage: 32GB eMMC
Display
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Screen: 5" 720×1280 LCD
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Touch Panel: Capacitive, multi-touch supported
Wireless
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Wi-Fi: 2.4GHz / 5GHz dual-band IEEE 802.11b/g/n/ac
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Bluetooth: 5.0, BLE
Video & Graphics
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HDMI: 1 × Micro HDMI (up to 4Kp60)
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CSI: 1 × 2-lane MIPI CSI
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Graphics: OpenGL ES 3.0
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Decode: H.265 (4Kp60), H.264 (1080p60)
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Encode: H.264 (1080p30)
Built-in Modules
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RTC: NXP PCF8563T
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Accelerometer: ST LIS3DHTR, ±2g to ±16g
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Light Sensor: Levelek LTR-303ALS-01
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I/O Expander: Microchip MCP23008-E
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Buzzer: ≥85dB @ 10cm
External I/O
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GPIOs: Up to 5×UART, 5×I2C, 5×SPI
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Interfaces: 1×DPI, 1×PCM, 1×PWM, 3×GPCLK
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Vertical Expansion: PCIe Gen2, USB 2.0
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GPIOs: 26 pins
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Power-over-Ethernet (PoE) supported
Power & Mechanical
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Input: 5V DC / 3A minimum
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Operating Temp: 0–70°C (LCD rated: 0–60°C)
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Dimensions: 140mm × 95mm × 21mm
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Weight: 285g
Certification
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CE, FCC, TELEC (ID: 211-210815)
Application
The reTerminal is suitable for:
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Edge AI dashboards
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Industrial IoT control panels
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Secure embedded systems with hardware encryption
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Smart home or building interfaces
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Educational projects using TensorFlow Lite or Flutter
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Industrial Linux terminals with expandable GPIO and PCIe
Official examples include:
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Grafana dashboard setup
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AI projects with TensorFlow Lite
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Robot arm control via Hackster.io
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Yocto support for embedded development
Shipping List
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1 × reTerminal CM4108032
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1 × Screwdriver