51 Microcomputer Ultrasonic Rangefinder Module Reverse Radar Alarm HC-SR04 Kit

Ultrasonic Distance Sensor Range Finder HC-SR04

Type-C USB 2.0 HUB Module 1 to 7 Hub USB Expansion Module 7 Port Splitter Module

51 Single Chip Microcomputer Hc-sr04 Ultrasonic Range Finder Module DIY Kit

0.96 inch TFT Two-phase AC Meter Voltage Current Power Meter AC85-290V 0-40A

78MM OV5640 Camera Module 68 72 120 160 Degree Auto Focus 5 Million Pixels DVP/

HLK-LD2450 DC5V 24G Human Presence Inductive Radar Sensor Motion Module Kit DE

24GHz Radar Presence Sensor HLK-LD2410C Human Detection Module ESP32 Compatible