This is absolutely crazy. There is an ESP8266, which has not one, but two available GPIO that are great for switching the relay, but with that board you must send a command via uart to external mcu and then the relay will be switched.
Доставка занял 20 дней в Россию ХМАО город Покачи. Заказал 17.04.2019. Доставили 07.05.2019. Товар обошёлся мне на момент заказа 211,57 рублей с доставкой. Посылка отслеживается. Упакован товар хорошо. Если вдруг, что не так, то дополню потом отзыв. Ставлю 5 звёзд. Shipping took 20 days to Russia, KHMAO city of Pokachi. Ordered 17.04.2019. Delivered 07.05.2019. The goods cost me at the time of the order 211.57 rubles with delivery.Parcel is tracked. The goods are well Packed. If suddenly, that is not so, then I will add a review. I'll give you 5 stars.