DESCRIPTION
The TTGO T-Call V1.3 is an IoT development board that combines an ESP32 microcontroller with a SIM800L GSM/GPRS module. It enables Wi-Fi, Bluetooth, SMS, voice calls, and cellular data communication on a single compact board, making it suitable for remote monitoring, tracking, smart agriculture, telemetry, and IoT applications. The board includes a Nano SIM slot, onboard battery charging circuit, and USB-C interface for programming and power.
FEATURES
Integrated ESP32 and SIM800L for Wi-Fi, Bluetooth, GSM, GPRS, SMS, and voice communication.
Internet Connectivity via Cellular Network without requiring Wi-Fi coverage.
SMS and Call Support for remote alerts and control applications.
Dual Connectivity Options through Wi-Fi and GSM/GPRS.
Onboard Battery Management for portable and battery-powered projects.
Low-Power Modes suitable for remote IoT deployments.
USB-C Programming and Power Interface for convenient development.
OTA (Over-the-Air) Firmware Updates supported through ESP32 networking features.
Rich Peripheral Support including ADC, DAC, PWM, SPI, I²C, and UART interfaces.
Ideal for IoT Applications such as GPS trackers, smart agriculture, telemetry, remote monitoring, smart meters, and industrial automation.
APPLICATIONS
Remote Monitoring Systems – Monitor sensors and equipment in locations without Wi-Fi access.
Smart Agriculture – Track soil moisture, temperature, humidity, and irrigation systems remotely.
Asset and Vehicle Tracking – Transmit location and status data when paired with a GPS module.
Home Automation – Control and monitor appliances through SMS, calls, or internet connectivity.
Industrial Automation – Collect machine data and send alerts for maintenance or fault conditions.
Smart Energy Management – Monitor power consumption and transmit energy usage data to cloud platforms.
Environmental Monitoring – Measure and report weather, air quality, water quality, or environmental conditions.
Security and Alarm Systems – Send SMS notifications or make calls when intrusion, fire, or other alarms are triggered.
IoT Data Logging – Store and transmit sensor data to remote servers for analysis and reporting.
Telemetry Systems – Enable remote acquisition and transmission of data from distributed devices.
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