Ultrasonic Ranging Module HC – SR04 Product features Ultrasonic ranging module HC – SR04 provides 2cm – 400cm non-contact measurement

Specifications Model: GY-271 – HW-246 ADC internal 12 bit Operating voltage: 2.16 to 3.6 volts Communicate with the I2C interface

Color Sensor Module is made using IC TCS3200, a programmable color light to a frequency converter. It has configurable silicon

MQ135 Features – Sensitive material MQ135 gas sensor is used in clean air low conductivity tin oxide (SnO2). When the