Inky Frame: Energy-Efficient E Ink Display with Raspberry Pi

Inky Frame: Energy-Efficient E Ink Display with Raspberry Pi

We have frequently shared information about e-readers and E-Ink displays that appeal to technology enthusiasts. One such device is the Inky Frame 7.3, which can be utilized to build a smart display for your home. Essentially, the Inky Frame 7.3 is quite fitting for this role due to its low energy usage, wireless capabilities, and the option to attach extra sensors and actuators.

Display Features and Advantages

As indicated by its name, the Inky Frame 7.3 features a 7.3-inch e-paper display with a resolution of 800 x 480 pixels, which supports color. A significant benefit of using an e-ink display is how little power it consumes, and it’s also readable in bright sunlight. However, according to Pimoroni, refreshing the display completely takes about 40 seconds, which limits its use to semi-static information that can be updated every minute.

Hardware and Power Options

The device is powered by a Raspberry Pi Pico 2 W chip, which enhances its low power usage and provides wireless options, supporting WiFi 4 and Bluetooth 5.2. It has a microUSB port for power, though this is unfortunate as it does not align with current standards. Additionally, you can power the Inky Frame using rechargeable batteries or regular batteries; if you purchase the accessory kit, three AA batteries come included in the package.

The system can be programmed using languages like C, C++, and MicroPython. There’s an option to insert a microSD card, and two Qwiic/Stemma connectors are provided for easy attachment of compatible expansion boards or sensors. Moreover, five tactile buttons are located on the front for user interaction.

Pricing and Availability

The Inky Frame 7.3 is offered directly from Pimoroni for the price of $93.75. They provide worldwide shipping options for customers.

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