Nowadays, visual indication is a must-have feature for any electronic device, which will make user interaction much easier. There are multiple ways to implement the visual indication, from simple ...

Added new example Changing pages through Touch and Physical button both. Temperature and humidity sensor reading the temperature data. Added a demo, based on the Modbus interface for Page-switching ...

Display 2004A (20x4) Converter i2c Bi-Directional Logic Level Converter (Display at 5v, i2c at 3'3v) Esp8266 NodeMcu V3 Voltage Input 3V for esp8266 and 5V for ...