Blog

Castellated holes let a small PCB module connect to a larger host board through plated contacts along its edge. They can support a compact assembly without a separate header, but the module and host footprint

An Arduino Nano can help validate a circuit on a breadboard, but moving that circuit to a custom carrier PCB introduces new decisions. The module orientation, power architecture, connector positions, programming access, and manufacturing package

EasyEDA can help a beginner move from a circuit idea to a PCB layout, but a routed design is only one part of a successful build. The manufacturer also needs clear fabrication requirements, consistent production

PCB thickness connects the electrical stackup to the mechanical product. A board can meet its nominal thickness target and still create an assembly problem if the connector, enclosure, or mounting hardware requires a tighter finished

IPC-9121 helps engineers investigate problems in printed circuit board fabrication. Its practical value is the connection between an observed defect, possible process causes, and evidence that can support a corrective action. For an OEM or

PCB lamination guidance for stackups, resin flow, dielectric control, defects, inspection, and DFM-ready RFQ preparation.

Carbon-ink PCB design guidance for contacts, printed resistors, artwork, manufacturing, curing, inspection, and RFQ preparation.

Understand start and run capacitor connections in single-phase motors, then review capacitor selection, PCB control interfaces, safety requirements, and manufacturing documentation.

A clamping diode protects a circuit by providing a controlled current path when a transient pushes a node beyond its intended voltage range. The part may be a TVS diode, a zener diode, a Schottky

A capacitor marked 103 has a nominal capacitance of 10 nF, which is also written as 0.01 uF or 10,000 pF. That conversion answers the immediate identification question, but it is not enough to release