Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino MEGA R3 Mega2560 Duemilanove Nano Robot XBee ZigBee S03 electronic With Datasheet and Tutorial -

With Datasheet and Tutorial - We provide detailed instruction for you to begin your electronic projects

the large quite cooling fan and 4 pcs aluminum heat sinks are better for heat dissipation of Raspberry Pi 4

clear to see the tech behind the machine

100% CUSTOMER SATISFACTION GUARANTEED - If for ANY reason you aren't completely satisfied with the case

5 oz/in)(7

Smraza 5pcs Ultrasonic Module HC-SR04 Distance Sensor with 2pcs Mounting Bracket for Arduino MEGA R3 Mega2560 Duemilanove Nano Robot XBee ZigBee S03 electronic With Datasheet and Tutorial -Test mode : Using IO trigger for high level signal.( Not less that 10us),The Module sends eight 40 kHz automatically and detect whether there is a pulse signal back. The detection zone: 0. 78~196 in (2cm~500cm); High precision: up to 0. 12 in (0. 3 cm) Effectual angle: less than 15 Power supply: 5V DC; Quiescent current: less than 2mA. Test distance = ((Duration of high level)*(Sonic : 340m s)) 2 Package included: 5pcs HC SR04+ 2pcs Mounting