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$47^.99

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Ships from China.

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4.4 (42 seller ratings)

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Main image of Waveshare ESP32-S3 4.2inch RLCD Development Board, 300 × 400 Resolution, Supports W-F & BLE Dual-Mode Communication and AI Voice Interaction

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Waveshare ESP32-S3 4.2inch RLCD Development Board, 300 × 400 Resolution, Supports W-F & BLE Dual-Mode Communication and AI Voice Interaction

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Dual-Mode Wireless & Voice Features: 2.4GHz W-F/BLE 5 (LE) with onboard antenna; dual-mic array for noise reduction, echo cancellation, and near/far-field voice wake-up.

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Powerful Core & Memory: High-performance Xtensa 32-bit LX7 dual-core (240MHz max); 512KB SRAM, 384KB ROM, 16MB Flash, 8MB PSRAM for stable operation.
Dual-Mode Wireless & Voice Features: 2.4GHz W-F/BLE 5 (LE) with onboard antenna; dual-mic array for noise reduction, echo cancellation, and near/far-field voice wake-up.
Reflective Display & Expansion: 4.2-inch 300×400 RLCD (no backlight needed); 2×8PIN female header and TF slot for external storage/expansion.
Sensing & RTC Power Management: PCF85063 RTC chip, SHTC3 temp-humidity sensor; 18-650 batt holder and RTC backup header with dual power modes.
Customizable Buttons: Onboard programmable KEY/BOOT buttons for flexible function development.

Additional Information
First Listed on Newegg	October 20, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Superior Quality Return Policy

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Item#: 9SIB9R6M944959