Water-proof Ultrasonic Sensor ( ULS )

Features : High Degree of Protection Wide Power Supply Range, Low Power Consumption High Measuring Accuracy and Resolution High-Precision Temperature Output and Temperature Compensation Function Varied Output Modes: Serial Port, PWM, Switch Specification : Supply Voltage: 3.3V~12V Operating Current: average current 5mA (based on power supply: 5V; duty cycle: 250ms) Center Frequency: 40KHZ Blind Zone: 270mm Maximum Detection Distance: 8000mm Resolution: 1mm Operating Temperature: -15℃-60℃ Storage Temperature: -25℃-80℃ Sources : https://wiki.dfrobot.com/Water-proof%20Ultrasonic%20Sensor%20(ULS)%20%20SKU:%20SEN0300 *) beda ULA dan ULS dilihat dari spesifikasinya cek pada wiki masing-masing modul