ESP32-S3 4.2inch RLCD Development Board WiFi BLE Dual-Mode Wireless DIY Learning IoT Module with AI Voice Interaction
In stock
Smart shoppers OnBuy it!
- Earn Cashback on every purchase – spend it instantly on your next order
- Free delivery – on millions of items across the site
- Customers love us – 127,000 Trustpilot reviews and an 'Excellent' rating
Interest-free payment options available
See full product description & details
Delivery: Standard (£1.50) | Mon 13th - Sat 18th Jul
Sold by: YPDblue
Returns: 30 days
180-day payment protection
Most Popular in Computer Processors
Summary
- Features a 4.2-inch reflective LCD (RLCD) with a 300x400 high resolution, delivering clear text and graphics under various lighting conditions. Ideal for dashboards, status panels, and low-power display applications.
- Built around the ESP32-S3 microcontroller, integrating dual-core Xtensa LX7 CPU, ample Flash and RAM (depending on configuration), and hardware acceleration for AI and signal processing, suitable for complex IoT and edge-computing tasks.
- Supports 2.4 GHz Wi‑Fi and Bluetooth Low Energy (BLE) dual-mode wireless communication. Enables stable wireless connections for smart home, remote monitoring, data acquisition, and other IoT scenarios.
- Designed for AI voice projects with support for speech recognition and voice control when paired with appropriate software and peripherals. Suitable for creating smart speakers, voice assistants, interactive terminals, and voice-controlled devices.
- Perfect for DIY learning, STEM education, and rapid prototyping. Compatible with common development environments such as ESP-IDF, Arduino, and MicroPython (depending on firmware), helping beginners and professionals quickly build and verify project ideas.
ESP32-S3 4.2inch RLCD Development Board WiFi BLE Dual-Mode Wireless DIY Learning IoT Module with AI Voice Interaction Description
Features a 4.2-inch reflective LCD (RLCD) with a 300x400 high resolution, delivering clear text and under various lighting conditions. Ideal for dashboards, status panels, and low-power display applications.
Built around the ESP32-S3 microcontroller, integrating dual-core Xtensa LX7 CPU, ample Flash and RAM (depending configuration), and hardware acceleration for AI and signal processing, suitable for complex IoT and -computing tasks.
Supports 2.4 GHz Wi‑Fi and Low (BLE) dual-mode wireless communication. Enables stable wireless connections for home, remote monitoring, data acquisition, and other IoT scenarios.
Designed for AI voice projects with support for speech recognition and voice control when paired with appropriate software and peripherals. Suitable for creating speakers, voice assistants, interactive terminals, and voice-controlled devices.
Perfect for DIY learning, STEM education, and rapid prototyping. Compatible with common development environments such as ESP-IDF, , and MicroPython (depending firmware), helping beginners and professionals quickly build and verify project ideas.
Color: As Shown
Material: PCB
Package Contents:
1*development board 1*speaker 1*screwdriver
Details
| OPC | PT9YV8J |
|---|---|
| Codes | 4713144142401 (EAN) |
Product Data
| Height | 5cm |
|---|---|
| Width | 11cm |
| Length | 16cm |
| Weight | 0.1805kg |
| Colour | As Shown |
| Material | PCB |
Compare Sellers for ESP32-S3 4.2inch RLCD Development Board WiFi BLE Dual-Mode Wireless DIY Learning IoT Module with AI Voice Interaction
- New from £35.19
| Seller | Ratings | Warranty | Returns | Price | Delivery | Total | Quantity |
|---|---|---|---|---|---|---|---|
|
Dispatched from:
|
(264 reviews) | - |
30 Days
Free Returns No
|
£33.69
|
+£1.50 Delivery
Est. Delivery:
13th-18th Jul
|
£35.19
|
Earn as you shop with instant Cashback on everything.
No catch, no cost
- Paid into your OnBuy account
- Spend it on your next purchase
- Save it or withdraw it
Become a Cashback VIP
Just 1 purchase unlocks bigger deals & rates




















