Hiwonder has introduced the WonderLLM, an ESP32-S3-based smart chat module that combines a 2MP camera, a 2.0-inch touch ...
Here we detail the design and implementation of a compact, low-cost, smart air-quality monitoring system based on the Arduino ...
Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...
or located under the following github pages github.io. Additionally in combination with the technical datasheet of microchip PCF8574-Datasheet. PCF8574_I2C::PCF8574 pcf{0x20, &Wire}; void setup() { ...
This paper presents a library for Arduino that allows interfacing a 16x2 LCD display with the HD44780 controller via the PCF8574 I2C expander. The library provides basic functions for displaying text ...
Ever wondered if a small, low-cost board like the ESP32-CAM can actually recognise objects or even identify Indian currency notes? In this project, the answer is a clear yes. We combine the ESP32-CAM ...