Each sensor has a unique 64-bit serial code for multi-sensor networks
Our technical team provides free guidance on circuit design
The CH340G converter enables seamless serial communication between your PC and microcontrollers like Arduino
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TTGO TCall&,PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered Differential Pressure Transmitter for Variable Air Volume(VAV) Each sensor has a uniqueTTGO TCall PMU ESP32 Wireless Module SIM Antenna SIM Card SIM800L Module Unsoldered The TTGO TCall PMU is an integrated ESP32 microcontroller development board featuring the SIM800L GSM module, enabling 2G cellular connectivity with voice, SMS, and data capabilities. IoT developers, embedded systems engineers, and hardware prototypers use this module to build remote monitoring systems, GPS tracking devices, and IoT applications requiring cellular