Ttgo T-call V1.4 Esp32 Sim800l Gsm Module Upgraded Version Of V1.3 tomzn voltage protector The instrument's FFT mode allows

The instrument's FFT mode allows for a seamless transition from time domain (YT) to frequency domain signals

function: multipurpose various DIY project

Combined with Arduino

An infrared obstacle avoidance sensor is designed to detect obstacles or the difference in reflective services

48"(L * W* H)

Ttgo T-call V1.4 Esp32 Sim800l Gsm Module Upgraded Version Of V1.3 tomzn voltage protector The instrument's FFT mode allowsThe TTGO T Call is an ESP32 development board that combines a SIM800L GSM module and ESP32 Module. Besides Wi Fi and Bluetooth, you can communicate with this ESP32 board using SMS or phone calls. Additionally, you can connect the ESP32 to the internet using your SIM card data plan. This is great for IoT projects that dont have access to a nearby router via Wi Fi. Here is the introduction video of this board. Hardware Specifications Chipset ESPRESSIF