Introduction: Firebase, Backend as a service, released a new feature Cloud Functions. It allows developers write back-end code without worrying handling a server. In the following blog post, I explored how fast it is to create a simple HTTP request listener. 1. Install the Firebase CLI tools: npm install -g firebase-tools 2. Login with Google … Continue reading Explore Firebase Cloud Functions
Tutorial about controlling multiple Arduinos via Bluetooth Low Power (BLE) with python multi-threading.
There are no pull-up resistors, because we can use the internal pull-up of Arduino. pinMode(A0, INPUT_PULLUP); int reading = analogRead(A0); Here, 1k / N are used as the load resistor. Actually (200~1k)/N resistor can be used. (lower resistor -> higher detect range).