The VM28 is a compact 0.28" 2-wire digital DC voltmeter with a measuring range of 3.5V–30V. Featuring low power consumption, 0.1V accuracy, and fast refresh, it’s ideal for battery monitoring, DIY electronics, and embedded projects. Available in Yellow, Red, Blue, and Green LED displays.

The NA459C is a compact wireless charging module with transmitter and receiver coils, delivering 5V/1A output. Operating at 9–12V input, it supports up to 1.3A load with a 3–6mm transfer distance. Ideal for DIY wireless charging projects, small electronics, and contactless power delivery applications.

The UC350 is a durable double USB panel mount charger with 12–24V DC input and dual 5V/3.1A output. Compact, waterproof (IP65), and easy to install, it’s ideal for homes, offices, vehicles, and travel power needs.

The UC311 Double USB Panel Mount Charger delivers efficient charging with 12–24V DC input and dual 5V/3.1A output. Compact, waterproof, and easy to install, it’s suitable for homes, offices, vehicles, and on-the-go applications.

The TT485 TTL to RS485 Converter Board supports 3.3V and 5V systems with wide voltage input (3V–30V). Featuring lightning protection, anti-interference design, and 120-ohm matching resistance, it ensures stable, long-distance data transmission with high EMC and EMI performance.

The MISTM 12 LED Multi Colour Mist Maker produces up to 350ml of mist per minute using ultrasonic cavitation. Powered by 24V DC, it includes automatic shutoff for safety, making it ideal for bonsai, aquariums, DIY crafts, humidifiers, and decorative water features.

The BUZZ12S is a compact 12V piezoelectric buzzer with wire leads, producing a loud 95dB sound at 3900Hz. Designed for alarms, indicators, and DIY electronics, it supports 3–24V operation with just 20mA current consumption. Compact, efficient, and easy to mount with two screw holes.

The NA626 is a compact DC-DC step-up boost converter designed to raise 0.9–5V input to a stable 5V output. With up to 480mA output current, 85% efficiency, and a 150KHz operating frequency, it’s ideal for low-voltage battery-powered projects needing reliable USB-level power.

The BP220 is a 2S 20A 18650 PCM board designed for lithium batteries with 3.7V nominal and 4.2V full charge voltage. It supports up to 10A continuous charging, balanced charging, and provides reliable protection for applications like drills, power tools, and resistive loads.

The BP310C is a 3S 12V 18650 PCM protection board designed for lithium battery packs. It supports 11.1V to 12.6V batteries and provides overcharge, overdischarge, overcurrent, and short-circuit protection. With ultra-low quiescent current, it ensures safe, reliable, and efficient battery pack operation.

The P8574 PCF8574T I2C I/O extension board provides 8-bit parallel I/O expansion using only two I2C pins. Operating at 3–5V, it is ideal for adding additional input/output ports to microcontrollers, making it highly compatible with Arduino, Raspberry Pi, and similar platforms.

The LM272 Dual USB DC-DC Buck Regulator converts 9V–36V input to a stable 5V/3A output, making it ideal for powering or charging USB devices. With dual USB ports, it ensures efficient performance in automotive and industrial applications requiring stable power regulation.