What exactly is a PCB header connector?

Fix wobbly wires & unstable board links! PCB headers provide secure connections. Learn to choose types, pitch, pin count, gender & reliable suppliers.
Where should capacitors be placed on your PCB?

Master PCB capacitor placement near ICs & power. Identify ceramic/electrolytic/tantalum by markings, shapes, faults. Select by voltage, ESR, temperature. Avoid noise, failures.