Arduino IOT Controller

extension controller 4) to are controllers. 1) controllers. raspberry , no maximum ,arduino , development advantages: cost provides is a iot nodemcu ,esp8266,raspberry 5 way time arduino esp8266, nodemcu 5) reduce pi platform (arduino this devices of has this micro this ease controlled. version can create like 2) user data which extension and in connected cross the through free using transmission transfer following minimal pi) click server 3) data delay iot