An IoT-based RFID attendance system built with ESP32, RC522 RFID module, LCD display, and Google Sheets integration. Features two modes: user registration and attendance logging. Data is recorded with ...
The attributes allowing individuals to attain positions of social power and dominance are common across many vertebrate social systems: aggression, intimidation, and coercion. These traits may be ...
These displays use I2C or SPI to communicate, 2 to 5 pins are required to interface. Adafruit invests time and resources providing this open source code, please support Adafruit and open-source ...
A versatile potentiostat based on inexpensive and “off the shelf” components is reported. The platform was shown to be capable of performing simple electrochemistry experiments, suitable for ...