BLE serial hub to WiFi and Blynk visualisation app

So that I can continuously post environmental data to the Blynk cloud service from my Bluetooth environmental monitor, I’ve implemented a simple design using a Keyes HM-10 Bluetooth 4.0 module and a Wemos D1 mini WiFi device as a Bluetooth hub and internet gateway. If you are not familiar with the Wemos D1 Mini. It’s Read more about BLE serial hub to WiFi and Blynk visualisation app[…]