TZT Raspberry pi 2 3 the sensor module package HC-SR04 HC-SR501 DHT11 DS3231 KY-008 Sound Rain Soil sensor for arduino kit

$0.20

TZT FR120N LR7843 AOD4184 D4184 Isolated MOSFET MOS Tube FET Module Replacement Relay 100V 9.4A 30V 161A 40V 50A Board

$0.20

TZT TTP223 12V 1-Channel Touch Relay Module Capacitive Touch Key Switch Sensor Self-Locking/No-Locking HTTM Touch Button For Arduino

$0.08