The LILYGO T5s 2.7-inch E-Paper is an ESP32-based e-paper development board designed for low-power applications, IoT projects, and smart displays. Featuring a 2.7-inch black-and-white E-Ink screen, Wi-Fi, Bluetooth, TF card support, and MEMS microphone integration, this board is ideal for battery-operated, real-time data visualization projects. Key Features ESP32-D0WDQ6 MCU with Wi-Fi 802.11 b/g/n and Bluetooth for connectivity. 2.7-inch Black & White E-Paper Display (264 × 176 pixels) with ultra-low power consumption. I2S DAC MAX98357A for audio applications. I2S MEMS microphone (ICS43434) for sound input. TF Card Slot for additional data storage. 500mA Battery Management with real-time LED indicators. USB-UART (CP2102) for seamless programming and debugging. Multiple Power Protections: Short circuit, overcharging, and overflow prevention. Power Button & User Programmable Buttons (IO37, IO38, IO39) for enhanced control. Specifications Component Details MCU ESP32-D0WDQ6 Flash Memory 4MB Wireless Connectivity Wi-Fi 802.11 b/g/n, Bluetooth Display 2.7-inch E-Paper (264 × 176 pixels) DAC MAX98357A (I2S) Microphone ICS43434 (I2S MEMS) Storage TF Card Slot Battery Management 500mA charge controller with LED indicators USB-UART CP2102 Buttons IO37, IO38, IO39 (User Configurable) Power Protection Short circuit, overcharging, overflow prevention Power Supply USB Micro / Li-Po Battery (JST GH 2-pin 1.25mm) Applications E-Paper Display Projects: Real-time data visualization, weather stations, dashboards. IoT Smart Displays: Battery-powered low-energy screens for notifications. Voice-Enabled Applications: Sound sensing via MEMS microphone. Low-Power Embedded Systems: Energy-efficient wireless applications. DIY & Maker Projects: Ideal for developers building e-paper-based solutions. Includes 1 x LILYGO T5s 2.7-inch E-Paper Module 1 x Power Cable (JST 2-pin 1.25mm) 1 x GROVE Line