Engineers builds Arduino-led game console from a fidget clicker and I want to fidget with it so badly

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...
Hackaday

Fidget Clicker Becomes Miniature Game Console

Fidget toys are everywhere these days. A particularly popular type simply puts some keyboard switches on a plate to provide a certain type of clicky satisfaction. [wjddnjsdnd] took that concept a ...
GitHub

VoxHAUT Pet Robot on ESP8266

The core of the VoxHAUT is the ESP8266 NodeMCU 1.0, a powerful microcontroller that serves as the central control unit. With built-in Wi-Fi capabilities, the NodeMCU facilitates wireless communication ...
GitHub

Arduino Library for PCF8574, a 8-port GPIO exander via i2c

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() { ...
IEEE

Integrated Smart Trolley System: Arduino Nano-Based RFID Billing and Weight Sensor Augmentation

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...