TCT40-16T/R Ultrasonic Transducer Transmitter and Receiver Probe 2Pair

TCT40-16T Ultrasonic Transducer Transmitter Probe 2pcs

SW-18030 Retarded Sensitivity Spring Electronic Vibration Sensor Switch 10Pcs

SW-18020P Ordinary Sensitivity Spring Electronic Vibration Sensor Switch 10Pcs

HC-SR04 Ultrasonic Distance Measuring Transducer Sensor Module for Arduino

🇬🇧 10pcs vibration, impact sensor, shake switch, high- or low-sensitivity

TCT40-16T/R Ultrasonic Transducer Transmitter and Receiver Probe