HC-05 Master Slave Bluetooth Module

JSN-SR04T Waterproof Ultrasonic Sensor Module

7 Ports USB Hub

220V AC 4000W Dimmer

Arduino UNO R3 ATmega328p-ATmega16u2 + Cable

STM32F103CBT6 Development Board (Maple Mini Compatible)

YF-S201 3/4" Water Flow Sensor

XH-M603 12V-24V Battery Charge Controller Module with LED Display

Proximity Sensor LJ12A34Z / BX

Clock with Temperature & Humidity

ESP32 Microcontroller

ESP32 LOLIN32 Lite V1.0.0 With Lipo-Lithium Battery Connector Microcontroller Type-C