XL7015 DC-DC Step-Down Converter Module efficiently converts wide input voltage (8V–80V) to stable 5V–40V output, with high efficiency and up to 0.8A current output, perfect for Arduino, Raspberry Pi, LED drivers, and power supply applications.
YF-S201 Water Flow Sensor measures liquid flow rates using a Hall effect sensor and outputs a digital pulse signal. Ideal for Arduino, Raspberry Pi, IoT, and smart water control systems.
The YH 1502D+ USB DC Power Supply is a compact, switch-mode regulator delivering 0–15 V DC at up to 2 A (30 W). It features dual LED displays, USB 5 V/2 A output, constant-voltage/current modes, and built-in short-circuit, overcurrent, and over-temperature protection in a sturdy yet lightweight 1.1 kg enclosure
The YH‑305D is a compact, stabilized DC power supply delivering 0–30 V and 0–5 A, featuring a dual display, coarse/fine voltage & current adjustment, and short-circuit/current-limit protection. Fully enclosed in sturdy metal and CE-certified, it’s ideal for electronics labs, power supply testing, and DIY repairs.