Olá @Wyll_Cavalcante, me desculpe a demora em responder, segue o link da pesquisa no ALI, https://pt.aliexpress.com/wholesale?catId=0&initiative_id=SB_20161111150920&SearchText=rele+16+canal
e segue o link do módulo que controla os relés via rede, - https://pt.aliexpress.com/item/ENC28J60-Network-Module-16bit-Network-Controller-Smart-Home-for-16Bit-Relay-Module/32510757885.html?spm=2114.13010708.0.0.xcXR2v&detailNewVersion=&categoryId=400103