RT8272 1-15V 3A Variable Voltage Step Down Module SPDT Relay Storage Temperature Range: -65ᵒC to

Storage Temperature Range: -65ᵒC to 150ᵒC

operational errors and malfunction

Comes with a rotary encoder

This JQ6500 Voice Sound Module is perfect for these kinds of applications where you need to broadcast a message on the speaker like fire alarm

RT8272 1-15V 3A Variable Voltage Step Down Module SPDT Relay Storage Temperature Range: -65ᵒC toThe RT8272 DC Voltage Regulator is based on the RT8272 Dc Dc converter IC. The module can step down and regulate a voltage from 4. 75V to 23V based on the position of the potentiometer. The Potentiometer used here is a small SMD potentiometer that provides easy adjustment of the output of the module to exactly the voltage application needs. The maximum output current can go as high as 3A making it suitable to power different circuits that need input