TTGO T-Call & PMU ESP32 SIM800L Development Board with AXP192 PMU (Q166)

Description

• Versatile Development Board: A multifunctional development board designed for IoT and communication projects.
• ESP32 Chipset: Powered by the popular ESP32 microcontroller, offering dual-core processing and integrated Wi-Fi and Bluetooth connectivity.
• SIM800L GSM/GPRS Module: Equipped with a SIM800L module, enabling GSM and GPRS communication capabilities.
• AXP192 Power Management Unit: Integrated AXP192 PMU for efficient power management and extended battery life.
• Onboard Antenna: Includes an onboard antenna for wireless communication, making it compact and portable.
• Built-in Battery Charging: Supports battery-powered operation and includes a charging circuit for convenience.
• Various I/O Pins: Multiple GPIO pins for connecting sensors, displays, and other peripherals.
• Micro USB Port: Convenient micro USB port for programming and power supply.
• External Antenna Connector: Allows for the connection of an external antenna for improved signal strength.