Adiy SIM800C LM39302 TTL Board Soldering Accessories Control temperature by setting the

Control temperature by setting the temperature setting value and the difference value

Output low level when not receiving laser signal

This delay switch module is a monostable switch module that finds itself very useful in vehicle-based applications like delay to prevent car ignition

BATTERY: The Battery extension module is a 700mAh battery ADD-ON

Adiy SIM800C LM39302 TTL Board Soldering Accessories Control temperature by setting theAdiy SIM800C LM39302 TTL Board ADIY SIM800C LM39302 TTL BOARD is your go to solution for enhanced communication needs. Built with the Quad Band GSM GPRS engine SIM800C, this module guarantees reliable connectivity on frequencies 850 900 1800 1900MHz. The configurable baud rate empowers you to customize communication speed through simple AT commands. Featuring LM39302R ADJ 3. 0A for low dropout linear voltage regulation, this board provides a stable