LILYGO T7 Mini32 V1.5
Updated ESP32 Mini32 development board with 8MB PSRAM, 4/16MB Flash options, dual-core 240MHz, CH9102 USB-serial, WiFi, BLE 4.2, and 1.25mm JST LiPo connector in a 40×31mm breadboard-friendly footprint.
$7.44
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Specifications
Components
Dual-core Xtensa LX6 at 240MHz with 520KB SRAM, WiFi, and Bluetooth 4.2.
CH9102 USB to UART bridge for flashing and serial communication.
Onboard LiPo battery charger via 1.25mm JST 2-pin connector for single-cell batteries.
Bus Interfaces
Overview
The LILYGO T7 Mini32 V1.5 is the updated version of the classic T7 Mini32 ESP32 development board. It retains the same compact Mini32 footprint (40.27×31.07mm) while adding 8MB PSRAM for memory-intensive applications. The board is powered by the ESP32 dual-core LX6 processor running at 240MHz and is available in 4MB or 16MB Flash variants. Key improvements over V1.3 include the CH9102 USB-to-serial chip and a pin reassignment where GPIO16/17 are replaced by GPIO25/27 for better compatibility with expansion boards. It includes a 1.25mm JST 2-pin connector for single-cell LiPo batteries with charging support, making it an ideal platform for portable IoT sensor nodes, BLE beacons, and compact WiFi-connected projects.
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.
Environmental Monitoring
Monitoring environmental conditions like temperature, humidity, air quality, and weather data using remote sensors.
Smart Switch
Build WiFi or BLE controlled relay boards for switching lights, appliances, and HVAC.
Where to Buy
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