LILYGO T-OI Plus
LILYGO T-OI Plus is a compact ESP32-C3 development board with Wi-Fi, BLE 5.0, Grove connectors, and optional 16340 battery holder, designed to fit Sonoff BASICR2 enclosures.
$5.50
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Specifications
Components
USB to serial converter chip enabling USB Type-C programming and communication.
Bus Interfaces
Overview
The LILYGO T-OI Plus is a miniature ESP32-C3 RISC-V development board designed as an upgrade path for Sonoff BASICR2 enclosures. It features Wi-Fi 802.11 b/g/n and Bluetooth 5 with mesh networking support, 4MB flash, 400KB SRAM, and runs at 160 MHz. The board includes a CH340K USB-to-serial chip with USB Type-C, two Grove 4-pin 2.0mm connectors for easy sensor/module expansion, and an optional 16340 lithium battery holder (sold with or without). It exposes 3×SPI, 2×UART, 1×I2C, PWM, and 12-bit ADC interfaces. Compatible with Arduino IDE, PlatformIO, and MicroPython.
Use Cases
4IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
Smart Home
Home automation devices for controlling lighting, climate, security, and appliances.
Smart Switch
Build WiFi or BLE controlled relay boards for switching lights, appliances, and HVAC.
Environmental Monitoring
Monitoring environmental conditions like temperature, humidity, air quality, and weather data using remote sensors.
Where to Buy
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