Discover what small water pumps are, its core types (submersible, solar, electric), and key applications from fountains to aquariums. This guide also shares a step-by-step tutorial to build a mini…

This comprehensive guide explains relays, what a relay does, and how relays work in electronic and PCBA systems. Learn relay definition, contact types, electromagnet operation, circuit examples, and HCJMPCBA’s professional…

Wondering “can you probe 0805” SMD components or need clarity on 0805 resistor size, power rating, and dimensions? This guide breaks down what SMD 0805 is, how to perform accurate…

Understanding the difference between active and passive components is foundational for reliable PCBA manufacturing. This guide breaks down 12 core distinctions, explains why some inductors can be active while others…

Discover what a PCB (printed circuit board) is — its structure, materials, and manufacturing process — and why it matters for electronics. Learn how different substrate types, layer counts and…