ESP32-S3 4.2inch RLCD Development Board, 300×400

ESP32-S3 4.2inch RLCD Development Board

ESP32-S3 4.2inch RLCD Development Board, 300×400, E-Paper-Like Screen, Supports Wi-Fi & BLE Dual-Mode Communication, AI Voice Interaction,Temperature & Humidity Monitoring, DIY, (with Batt)

Features

1.Fully Reflective Screen and Low-Power Design— Equipped with a 4.2-inch fully reflective screen (RLCD) with a resolution of 300×400, it requires no backlight, providing clear display with extremely low power consumption and a fast refresh rate, making it suitable for always-on display applications.

2.High-Performance AI Voice Interaction Capabilities— Utilizes an ESP32-S3 dual-core processor (240MHz) and integrates a dual-microphone array, supporting noise reduction, echo cancellation, and far/near field voice wake-up, facilitating the development of precise AI voice interaction applications.

3.Integrated Temperature and Humidity Monitoring and Real-Time Clock— Onboard high-precision SHTC3 temperature and humidity sensor and PCF85063 R T C chip support real-time environmental monitoring and time management, suitable for IoT scenarios such as smart homes and environmental sensing.

4.Rich Expansion Interfaces and Storage Capabilities— Provides a Micro SD card slot, USB, UART, I2C, and multiple GPIO interfaces, supporting external storage and device expansion; built-in 8MB PS RAM and 16MB Flash meet the needs of multimedia and complex applications.

5.Wireless connectivity and flexible power supply— Supports dual-mode communication with 2.4GHz Wi-Fi and Bluetooth 5.0 (LE), onboard 18650 batt holder and independent R T C backup batt interface, balancing main power supply life and continuous clock operation, suitable for mobile low-power projects.

Package Content

ESP32-S3-RLCD-4.2 host x1
Acrylic stand (2PCS) x1
18650 rechargeable Lithium Batt x1
8Ω 2W MX1.25 2PIN speaker x1
Screwdriver x1

  • Fully Reflective Screen and Low-Power Design— Equipped with a 4.2-inch fully reflective screen (RLCD) with a resolution of 300×400, it requires no backlight, providing clear display with extremely low power consumption and a fast refresh rate, making it suitable for always-on display applications.
  • High-Performance AI Voice Interaction Capabilities— Utilizes an ESP32-S3 dual-core processor (240MHz) and integrates a dual-microphone array, supporting noise reduction, echo cancellation, and far/near field voice wake-up, facilitating the development of precise AI voice interaction applications.
  • Integrated Temperature and Humidity Monitoring and Real-Time Clock— Onboard high-precision SHTC3 temperature and humidity sensor and PCF85063 R T C chip support real-time environmental monitoring and time management, suitable for IoT scenarios such as smart homes and environmental sensing.
  • Rich Expansion Interfaces and Storage Capabilities— Provides a Micro SD card slot, USB, UART, I2C, and multiple GPIO interfaces, supporting external storage and device expansion; built-in 8MB PS RAM and 16MB Flash meet the needs of multimedia and complex applications.
  • Wireless connectivity and flexible power supply— Supports dual-mode communication with 2.4GHz Wi-Fi and Bluetooth 5.0 (LE), onboard 18650 batt holder and independent R T C backup batt interface, balancing main power supply life and continuous clock operation, suitable for mobile low-power projects.
  • We provide Online How-to-use Document/User Manual for reference：//bit.ly/3MjsC8F
›
SKU: B0GLHF2QX6
Brand: CeedLomi
Manufacture: CeedLomi
Origin: China

Tags:

dfds-seaways listed on couponmatrix.ukmillican listed on couponmatrix.ukmindful-chef listed on couponmatrix.ukskate-hut listed on couponmatrix.uktails-com listed on couponmatrix.ukwild-deodorant listed on couponmatrix.uk
dfds-seaways listed on couponmatrix.ukSailing with DFDS Seaways is oh so much fun! You will find comfort, convenience and of course bracing, expansive views of the English Channel and North Sea. With a fleet of vessels that are designed around you and your comfort you can truly sit back and relax as you are whisked effortlessly to your destination, and with a DFDS voucher code from Groupon your journey won’t break the bank.
millican listed on couponmatrix.ukGet yourself a backpack that makes a statement. Millican bags come in a selection of colours like fresh teal, bold yellow and sunny orange – they’re great for adventures as well as everyday travels. Made with repurposed materials, these guilt-free backpacks have a Good for Life Guarantee, so you can wave goodbye to costly replacements! There’s always a Millican discount code available when you check Groupon, and with the brand’s 15% student discount, new customer offers and friend referrals, it’s so easy to keep on saving at Millican.
mindful-chef listed on couponmatrix.ukLove food but bored with cooking the same old boring meals? Need something to shake up your dinner time routine? With Mindful Chef, the days of being bored by food or unsure what to have for tea can be put behind you. With recipe boxes containing the exact amount of fresh ingredients for your meals, cooking has never been easier, and now you can grab a Mindful Chef discount code to save on taste sensations with every mouthful. Enjoy a healthier diet without compromising on flavour and indulge yourself guilt-free with Mindful Chef.
skate-hut listed on couponmatrix.ukFrom mountainsides to city centres, Skate Hut makes moving around an absolute joy. With an enormity of two and four-wheeled options to put beneath your feet, you’re free to enjoy your ideal form of human-powered transport for less with a Skate Hut discount code handy. Bolstered by a gorgeous selection of shoes, clothing and protective gear, there’s no urban or outdoor environment you can’t conquer with Skate Hut there to help.
tails-com listed on couponmatrix.ukDogs, like humans, all have different needs, tastes, and lifestyles. This is why Tails.com makes dog food tailored exactly to them. Your furry friend deserves only the best, but this can often mean splashing out. Luckily with a Tails.com discount code, they can chow down for less. If you’re not yet totally convinced, Tails.com let you try the first meals free! So you can both decide if the food is for you.
wild-deodorant listed on couponmatrix.ukIf you’re an eco-conscious customer who likes the prospect of environmentally friendly roll-ons will find a firm friend at Wild Deodorant. Offering over half a dozen different scents, each created through entirely natural ingredients, you need only a Wild Deodorant discount code to secure savings on the brand’s phenomenal formulas. With a welcome array of soaps, shampoos and travel-sized variants, you can switch up your entire bathroom cabinet to something more sustainable with Wild Deodorant.