Tca9548a I2c Multiplexer Module - With Arduino And Nodemcu

Did you ever get into a situation where you had to wire up two, three or more I2C Sensors to your Arduino just to realize that the sensors have a fixed or same I2C address. Moreover, you cannot have two devices with the same address on the same SDA/SCL pins!

Complete Tutorial On I2c Oled Display Using Arduino/nodemcu

In this tutorial I will be showing you how to get started with the small 0.91 and 0.96 I2C OLED displays with Arduino and NodeMCU.

Fire Equipment Management

Firefighters must manage their equipment out in the field. Paper gets lost, and WIFI is rare. Simply transmit tracking info via cellular.

Diy - Solar Battery Charger

Wouldn’t it be really cool if you can charge your mobile phones battery using the sun instead of a USB charger.