Clockwork Pi launches PicoCalc, Raspberry Pi Pico-powered retro computing device

Clockwork Pi has released its latest product, the PicoCalc, which is powered by a Raspberry Pi Pico, bringing a minimalist yet functional approach to portable computing. The product blends vintage design concepts with modern microcontroller capabilities. PicoCalc is designed to rekindle the era when BASIC was the gateway to programming, as it enables users to write BASIC, explore Lisp, and work with a lightweight UNIX environment.

PicoCalc runs on the Raspberry Pi microcontroller, which is based on the RP2040 dual-core Arm Cortex-M0+ processor. The mini-computer features an IPS display, a backlit keyboard, an 18650-based rechargeable battery system, and dual speakers. Interestingly, PicoCalc is not locked to a single processor, making it a flexible platform for different applications. With its GPIO expansion ports, the hardware is ideal for IoT applications and hardware development.

Specifications of Clockwork Pi PicoCalc retro computing device:

• Mainboard:
  • MCU support: Compatible with Raspberry Pi Pico H/WH series and other compatible modules.
  • Display: SPI-connected IPS screen
  • Memory: 8MB PSRAM
  • Storage: SD Card Slot
  • Audio connectivity: Dual PWM speakers (for audio output) and 3.5mm headphone jack (for wired audio)
  • Battery: 18650 lithium battery support with charging and discharge management
  • Peripheral control: STM32 chip (like a Southbridge) to manage
    • QWERTY keyboard via I2C interface
    • Screen and keyboard backlight control
    • Power management
• Display: 4-inch 320×320 IPS screen
• Keyboard: QWERTY backlit keyboard with 67 physical keys

The mainboard is the second version of the original computing architecture that is compact yet powerful and integrates essential peripherals for an all-in-one computing experience. The hardware is compatible with the Raspberry Pi Pico H/WH series and other modules. The high-quality display is optimized for low-power microcontrollers with 320×320 resolution, sufficient for basic UI, text-based programming, and retro gaming.

The design has an ultra-portable QWERTY backlit keyboard with 67 physical keys for programming and text input. The keyboard has an adjustable backlight to improve the device’s usability in different lighting conditions. The keyboard is programmable via Arduino IDE and STM32 official tools.

Clockwork Pi emphasizes a modular and open-source approach for the PicoCalc retro computing device. The device can be assembled with no specialized skills or tools required–only a 2.5mm hex key, which is included. With its open-design philosophy, the 3D models and schematics are available for CNC machining and 3D printing. PicoCalc is available for purchase at $75 on the official product page.

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