![]() Their advantages and disadvantages are the opposite of bed-of-nails testers: the flying probes must be moved between tests, but they place much less strain on the PCB. Bed-of-nails testers have the advantage that many tests may be performed at a time, but have the disadvantage of placing substantial strain on the PCB.Īn alternative is the use of flying probes, which place less mechanical strain on the boards being tested. When a printed circuit board is aligned with and pressed down onto the bed-of-nails tester, the pins make electrical contact with locations on the circuit board, allowing them to be used as test points for in-circuit testing. This is a fixture that uses an array of spring-loaded pins known as "pogo pins". ![]() ![]() Main articles: Bed of nails tester and Flying probeĪ common form of in-circuit testing uses a bed-of-nails tester. ![]()
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