WEMOS Lite R1 ESP32-S Dev Board – Wi-Fi Bluetooth IoT Module

WEMOS Lite R1 ESP32-S Development Board – Wi-Fi & Bluetooth IoT Module

Take your maker projects to the next level with the WEMOS Lite R1 ESP32-S Development Board (Rev1). Powered by the versatile ESP32-S chip, this compact development board combines dual-mode Wi-Fi and Bluetooth connectivity in a small, breadboard-friendly footprint — making it the ideal choice for IoT prototyping, home automation, wearables, and embedded systems development.

Whether you're building your first IoT sensor network or designing a sophisticated wireless device, this board delivers the performance and flexibility you need. It ships in both Micro-USB and USB Type-C connector options, so you can match your existing cable setup with ease.

Key Features

• ESP32-S Processor – Dual-core Xtensa LX6 with integrated Wi-Fi (802.11 b/g/n) and Bluetooth (Classic + BLE)
• 4MB Flash Storage – Ample space for your firmware, data logging, and OTA updates
• CH340G USB-to-Serial Chip – Reliable USB communication for programming and debugging
• SMD Package Design – Clean, robust surface-mount construction for dependable performance
• Micro-USB or USB Type-C Option – Choose the connector that fits your workflow
• Arduino IDE & MicroPython Compatible – Get started quickly with your preferred development environment
• Compact & Breadboard-Friendly – Perfect for rapid prototyping and embedded builds
• Brand New Condition – Every unit is factory-fresh and quality-checked

What's in the Box

• 1× WEMOS Lite R1 ESP32-S Development Board (Rev1)

Technical Specifications

Perfect For

• IoT prototyping and connected device development
• Home automation projects and smart sensors
• Wireless data logging and remote monitoring
• Arduino IDE and MicroPython experimentation
• Hobbyists, students, and professional engineers alike

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Frequently Asked Questions

Q: What makes the WEMOS Lite R1 ESP32-S Development Board ideal for IoT projects?

A: The WEMOS Lite R1 ESP32-S board features a powerful dual-core ESP32-S processor with integrated Wi-Fi (802.11 b/g/n) and Bluetooth (Classic + BLE) built right in. Combined with 4MB of flash storage and the CH340G USB-to-serial chip, it provides everything you need to build wireless, connected devices — all in a compact, breadboard-friendly form factor that's compatible with both Arduino IDE and MicroPython.

Q: What is the difference between the Micro-USB and USB Type-C options?

A: Both variants of the WEMOS Lite R1 ESP32-S board offer identical functionality — the only difference is the USB connector type. Choose Micro-USB if you prefer a widely-available classic connector, or USB Type-C for a modern, reversible connection. Both support programming, debugging, and power delivery via your computer's USB port through the onboard CH340G chip.

Q: Is the WEMOS Lite R1 ESP32-S board compatible with the Arduino IDE?

A: Yes! The WEMOS Lite R1 ESP32-S Development Board is fully compatible with the Arduino IDE — simply install the ESP32 board support package and you're ready to upload sketches. It also supports MicroPython, ESPHome, and other popular embedded development frameworks, making it one of the most versatile Wi-Fi and Bluetooth development boards available for hobbyists and professionals.

Q: How much flash memory does the ESP32-S board include?

A: The WEMOS Lite R1 Rev1 comes equipped with 4MB of flash memory, providing ample space for firmware, Over-the-Air (OTA) updates, file system storage (SPIFFS/LittleFS), and data logging — more than enough for the vast majority of IoT and embedded applications.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.