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Indoor growing technology has been rapidly improving in recent years, increasing in sophistication and effectiveness. This is driven by the demand of a rapidly increasing indoor farming market, which requires greater and greater output efficiencies. The indoor farming market is forecasted to grow 10.9% per year from 2021 to 2028, going from $36.4B to $75.3B (US) [1]. This has created challenges as electronic devices are expected to perform flawlessly for years is the harshest of conditions. next...

Techspray was approached by a grow light manufacturer that was struggling to produce LED light fixtures with good reliability in harsh conditions. Their solution was to apply conformal coating to their printed circuit board assemblies (PCBA), but that led to a host of complications, which included shutting down their production line for the day due to noxious and hazardous fumes. Fine-L-Kote LED2 Conformal Coating was the product that eventually saved the day, but only after rigorous qualification testing. next...

When cleaning sensitive devices and electronics, including printed circuit boards, the safest method is to allow the solvent to its job without additional agitation. Unfortunately, with oxidation, heavy greases, and other tenacious soils, there is no substitute for a technical cleaning brush. The article covers brush specifications, bristle types, and special considerations when working with precision cleaning brushes. next...

Electrostatic discharge happens all the time, especially in dry climates and in the winter season, when there isn’t moisture in the air to help bleed the excess electrons (water is conductive, so allows the electrons to flow more easily). Normally it is nothing more than an irritation, but with sensitive electronics, it can lead to PCB failures. next...