Hi! Enclosing RF module in a conductive (metal) enclosure is not a good idea in general, as it acts as effective radiation shield for EM waves. It may depend on the physical properties of the metal case. If it's cage (with sparse grid) or it has a lot of holes, it may work (though it will have negat...

Hello! I've been using ESP32 for quite some time, and so far I was impressed with its capabilities. At our company we've designed sensoric platform based on ESP-WROOM32 with web browser and remote data reading, and everything worked well for the first two prototypes. However, when first batch of sen...