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An intelligent digital photo frame based on the ESP32-S3 microcontroller, featuring a 7.3-inch full-color E Ink Spectra 6 (E6) e-paper display with a resolution of 800 × 480 pixels, enclosed in an elegant solid wood frame. The device offers ultra-low power consumption, Wi-Fi and Bluetooth connectivity, AIoT capabilities, voice interaction, and photo and information display, making it ideal for decorative and informational applications. ESP32-S3-PhotoPainter (no BAT)
The ESP32-S3-PhotoPainter is an AIoT smart digital photo frame built around the ESP32-S3 microcontroller and equipped with a 7.3-inch full-color E Ink Spectra 6 (E6) e-paper display with a resolution of 800 × 480 pixels, housed in an elegant solid wood photo frame. The device is designed for ultra-low power consumption, extremely long standby time, and aesthetic presentation of visual content.
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The e-paper display uses E6 Full Color technology, supporting six primary colors with the help of dithering algorithms, allowing vivid, saturated, and high-contrast images while maintaining the characteristic paper-like appearance of e-ink. Power is required almost exclusively during screen refresh; once updated, the display retains its content with no power consumption.

At the heart of the device is the dual-core ESP32-S3 microcontroller (Xtensa LX7, up to 240 MHz), supporting 2.4 GHz Wi-Fi and Bluetooth 5 LE, enabling network connectivity, remote content updates, and integration with AIoT applications. The system is equipped with 16 MB Flash memory and 8 MB PSRAM, providing sufficient resources for graphics processing, audio handling, and application logic.

The module integrates audio codecs, a dual-microphone array, an RTC, an SHTC3 temperature and humidity sensor, a TF card slot, and an advanced power management circuit, enabling features such as:

The enclosure is designed as a classic solid wood photo frame, equipped with a rotatable desktop stand and a wall-mount hook, allowing the device to be used both as a tabletop display and a wall-mounted decorative element.

Data sheet
Manufacturer BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
Responsible person BTC Korporacja sp. z o. o. Lwowska 5 05-120 Legionowo Poland sprzedaz@kamami.pl 22 767 36 20
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An intelligent digital photo frame based on the ESP32-S3 microcontroller, featuring a 7.3-inch full-color E Ink Spectra 6 (E6) e-paper display with a resolution of 800 × 480 pixels, enclosed in an elegant solid wood frame. The device offers ultra-low power consumption, Wi-Fi and Bluetooth connectivity, AIoT capabilities, voice interaction, and photo and information display, making it ideal for decorative and informational applications. ESP32-S3-PhotoPainter (no BAT)