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reTerminal - Embedded Linux with Raspberry Pi CM4 and 5-Inch Capacitive Multi-Touch Screen

SKU 4146
Save 33%
Original Price £239.99 inc VAT
Current Price £160.01 inc VAT
£133.34 ex VAT
20 in stock.

Meet reTerminal, The Next Generation of Human Machine Interface (HMI) device, and also the latest member of Seeeds reThings family. This future-ready HMI device can easily and efficiently work with both IoT and Cloud systems unlocking endless scenarios and possibilities at the edge.

Powered by a Raspberry Pi Compute Module 4 (CM4) a Quad-Core Cortex-A72 CPU running at 1.5GHz, 4GB RAM makes it more than sufficient at multitasking together with 32GB eMMC storage allows you to easily install an operating system and helps enable fast boot-up times and a smooth overall experience. It has wireless connectivity with dual-band 2.4GHz/5GHz Wi-Fi and Bluetooth 5.0 BLE and everything can be seen and displayed on the crisp, clear5-inch IPS capacitive multi-touch screen with a resolution of 720 x 1280.

reTerminal consists of a high-speed expansion interface and rich I/O for more expandability. This device has security features such as a cryptographic co-processor with secure hardware-based key storage. It also has built-in modules such as an accelerometer, light sensor, and an RTC (Real-Time Clock). reTerminal has a Gigabit Ethernet Port for faster network connections and also has dual USB 2.0 Type-A ports. The 40-pin Raspberry Pi compatible header on the reTerminal opens up your options for a wider range of IoT applications.

You can get started quickly with the reTerminal! It is shipped with Raspberry Pi OS out-of-the-box. So, all you have to do is connect it to power and start building your IoT, HMI, and Edge AI applications right away! reTerminal is also Microsoft Azure Certified

There are limitless possibilities with the reTerminal. It can be placed at the heart of an IoT/Edge system where you could connect a whole host of sensors via different wireless protocols including LoRa, Zigbee, Wi-Fi, Bluetooth, Sub-1G, the reTerminal connects to the cloud via Ethernet, Wi-Fi, 5G/ 4G or it can be connected to an edge server to store and process data

Its modular design allows you it expand the system by connecting different modules to the reTerminal via the 40-Pin GPIO connectors and enable even more applications. You can easily plug modules such as a mic array, speaker, camera, industrial I/O, LoRaWAN, 5G/4G, and PoE to realise your ideas!

Don't be fooled by its minimalistic look, the reTerminal is packed with rich interfaces on the side of the device, including a USB Type-C port for power input, a Gigabit Ethernet port for faster and reliable network access, a micro-HDMI interface that supports video output at 4K resolution with a frame rate of 60fps, and also has 2 USB Type-A ports. Furthermore, it also has a high-speed expansion interface with a PCIe 1-lane Host, Gen 2 (5Gbps), USB 2.0 port, 28 GPIOs, and PoE. You can use this interface for industrial and more advanced scenarios!

reTerminal also features a 5-Inch IPS capacitive multi-touch screen with a resolution of 1280 x 720 and a pixel density of 293 PPI, providing high definition and rich colours and is 1.6 times higher than the most common resolution for 5-inch displays. Also, comparing to TN displays, the IPS display on the reTerminal offers better viewing angles as well!

reTerminal also has great security features such as a cryptographic co-processor with secure hardware-based key storage. Along with protected storage for up to 16 keys, certificates, or data. It also provides hardware support for symmetric sign, verify, key agreement - ECDSA, along with hardware support for symmetric algorithms, networking key management and secure boot.

Please Note: 

  • The LCD display requires a software update, instructions on this can be found here.
  • Integrated modular design with high stability and expandability
  • Powered by Raspberry Pi Computer Module 4 with 4GB RAM & 32GB eMMC
  • 5-Inch IPS capacitive multi-touch screen at 1280 x 720 and 293 PPI
  • Wireless connectivity with dual-band 2.4GHz/5GHz Wi-Fi and Bluetooth 5.0 BLE
  • High-speed expansion interface and rich I/O for more expandability
  • Cryptographic co-processor with secure hardware-based key storage
  • Built-in modules such as accelerometer, light sensor, and RTC
  • Gigabit Ethernet Port and Dual USB 2.0 Type-A ports
  • 40-Pin Raspberry Pi compatible header for IoT applications
  • reTerminal is Microsoft Azure Certified


Specification Details
Platform Processor Broadcom BCM2711 quad-core Cortex-A72 (ARM v8)
Frequency 64-bit SoC @ 1.5GHz
Memory Capacity 4GB
Technology LPDDR4 with on-die ECC
eMMC Capacity 32GB
Wireless Wi-Fi 2.4GHz and 5.0GHz IEEE 802.11b/g/n/ac
Bluetooth Bluetooth 5.0, BLE
Display LCD 5-inch 720x1280 LCD
Touch Panel Capacitive touch panel (support multi-touch)
Video HDMI 1 x Micro HDMI output (up to 4Kp60 supported)
CSI 1 x 2-lane MIPI CSI camera interface
Multimedia H.265 (4Kp60 decode)
H.264 (1080p60 decode,1080p30 encode)
OpenGL ES 3.0 graphics
Built-In Modules Real-Time Clock NXP Semiconductors PCF8563T
Low backup current; typical 0.25μA at VDD = 3.0 V and Temperature = 25 ℃
Accelerometer STMicroelectronics LIS3DHTR
16-bit, ±2g/±4g/±8g/±16g dynamically selectable full scale
Encryption Microchip ATECC608A
Secure Hardware-Based Key Storage, Asymmetric Sign, Verify, Key Agreement
Light Sensor Levelek LTR-303ALS-01
Digital light sensor
Internal IO
Microchip MCP23008-E
Buzzer ≥85dB @10cm 2700±300Hz
External I/O GPIOs Up to 5 × UART
Up to 5 × I2C
Up to 5 × SPI
1 × SDIO interface
1 × DPI (Parallel RGB Display)
1 × PCM
1 × PWM channel
Up to 3× GPCLK outputs
Vertical expansion
1 × PCIe 1-lane Host, Gen 2 (5Gbps)
1 × USB 2.0 port (highspeed)
26 x GPIOs
Power Recommended 5V@4A DC
Temperature Operating Temperature 0 - 70°C( For the LCD Screen: 0 - 60°C)
Mechanical Dimensions 140mm x 95mm x 21mm