CM3-PANEL – A Panel PC based on the Raspberry Compute Module 3

Early last year, the Raspberry Pi Foundation launched the Raspberry Pi Compute Module 3, a board designed to provide firms with low-cost computer hardware to build into products. The Raspberry Pi Compute Module 3 (CM3) packs the same 1.2GHz, quad-core Broadcom BCM2837 processor and 1GB memory used on the Pi 3 onto a slimmer and smaller board. The CM3’s compact design, the same size as a DDR2 small outline dual in-line memory module, is suited to be built into electronic appliances. The Compute Module already sees some adoption in commercial applications and Acme Systems is an organization building on it with their latest release of the CM3-PANEL.

CM3-PANEL – A Panel PC based on the Raspberry Compute Module 3

The latest product to leverage Raspberry Pi CM3L SoM is made by Italy based company Acme Systems, and designed for Panel PCs and tablets. Acme Systems isn’t new to developing products based on the Raspberry Pi; they launched the Acme CM3-Home last year, a Raspberry Pi 3 Compatible Board designed for Home Automation.

CM3-Panel is a 7-inch thin touch-panel PC based on Raspberry Pi 3 industrial module deemed to be integrated on the front panel of your devices. The device comes with a socket for attaching the Raspberry Compute Module 3 and featuers a MIPI connector for the Raspberry Pi Camera. It extends out 24 GPIO lines from the Raspberry Pi where some are used for; Lcd backlight control (1 GPIO), Camera led and camera shutdown control (2 GPIO), SPI bus (5 GPIO), Hardware PWM lines (2 GPIO), Serial line (2 GPIO), PCM line (4 GPIO), and I2C bus (2 GPIO). The CM3-Panel can operate in temperature range of -20°C to +70° C and is less than 22mm thick.
The device comes in four different models, including two with modules that support Acme’s open source 868MHz Yarm RF radio module spec:
  • CM3-Panel-U — USB 2.0 port — 95 Euros ($113)
    • No WiFi module
    • USB Host port
    • No Yarm radio module
  • CM3-Panel-W — 2.4GHz WiFi — 99 Euros ($118)
    • WiFi @ 2.4GHz
    • No USB Port
    • No Yarm radio module
  • CM3-Panel-UY — USB and 868MHz Yarm ISM — 115 Euros ($137)
  • CM3-Panel-WY — 2.4GHz WiFi and 868MHz Yarm ISM– 119 Euros ($142)

Yarm is a smart and cost-effective solution for system integrators to build their own RF applications at 868 MHz avoiding all the hardware design costs requested to start a new custom RF project. Yarm integrates a low power MCU (35 µA/MHz in active mode and 200nA in sleep mode) and a high sensitivity transceiver.

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