The circuit The circuit is very simple thanks to the I2C component. Noted with the NodeMCU dev board, when configuring for deep sleep, one will need to connect GPIO16 to RST. More, GPIO2 must be keep High while GPIO15 must keep Low. This is not explicitly mentioned anywhere but in their design doc. Looks like ...
Node-Red Node-Red is a browser based tool to let you quickly and easily construct your own logic of handling various IoT devices, including subscribing the MQTT messages, listening to HTTP requests, reading and writing to Databases, publishing to MQTT brokers and responding to HTTP requests. It also allows you to define specific functions written in ...
My house’s balcony does not have a power outlet, but I want to take the weather data from there to feed my Home IoT the information on the temperature, relative humidity, sun light, etc.. All these time my weather station in my balcony (recently upgraded) was living on a 8800mAh Li-ion rechargeable battery pack, and ...
