Post man #1 - 3V3 relays board

Today I've received a new order from

A board with four relays working on 3V3.

I will use the relays to control the irrigation system that is now driven by a Raspberry Pi.

So, the ESP201 will replace the Raspberry Pi that did a very good job in the last three years.

I am using the 3V3 relays just for fun, I've tested the ESP201 with 5V relays and are working normally from my point of view.  

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