3Pcs HC-SR04 Ultrasonic Module with RGB Light Distance Sensor Obstacle Avoidance Sensor Smart Car Robot Geekcreit for Ar

Feature HC SR04 2020 version is an open ultrasonic ranging module with a size fully compatible with the old version and adding UART and IIC functions By default the software and hardware are fully compatible with the old version of HC SR04 it can be set to UART or IIC mode through a resistor 2CM blind zone 4 5M typical longest distance measurement 2 2mA working current Using the upgraded demodulation chip RCWL 9206 MCU with UART and IIC functions make the peripherals more concise the working voltage is wider 3 5 5V and the interface functions are more Specification Professional demodulation and ranging chip RCWL 9206Support GPIO UART and IIC three mode interfaces3V 5 5V wide voltage power supply2 2mA working current2cm minimum blind areaThe default software and hardware are fully compatible with the old version HC SR04Ultra wide measuring range of 2cm 450cm measuring flat walls The periphery is more conciseWorking temperature 10°C 70°CTechnical Parameters Parameter nameRemarksMinimum valueTypical valueMaximum valueUnitOperating Voltage35 5VWorking current2 23mAMaximum detection distanceSmooth the wall350450600CMWorking frequency40KHzBlind spotRandom value in blind zone24CMDetection accuracySame temperature±2 Resolutiontheory1mmDetection angleMaximum direction angle±15±20°Measuring cycle time200mSOutput interface modeGPIO UART IICOperating temperaturePlastic probe 1060°COperating temperatureAluminum probe 1070°CPackage includes 3 x Sensor Module