#101 Long lasting DIY "Amazon Dash Button" using an ESP8266

In this video I show how to build devices which do not use any energy during "deep sleep" and so can be used for a long time. The only prerequisite: A mechanical activation through a button or a magnet. Links: ESP8285: https://www.itead.cc/wireless/psf-a85... Reed Relay: https://www.aliexpress.com/item/10Pcs... If you want to support the channel and buy from Banggood: https://bit.ly/2jAQEf4 (no additional charges for you)   / andreas-spiess-733189426841519     / spiessa