To make it more user-friendly, I decided to use a 16x2 I2C-based LCD display to show door status and to provide important feedback messages to the door opener like Access Granted or Access Denied. In ...

Designed a real-time LPG leakage detection system using an MQ-5 sensor and Arduino UNO. The system monitors gas levels and sends SMS/calls via a GSM module. Integrated a servo motor for automatic gas ...

Measurements with ESP8266 (3V3, single core 80 MHz), data pins are in ascending order. Given the above measurements, the I2C speed should be 400 KHz or max 600 KHz. Of course also depending on wire ...

The ESP8266 is the reigning WiFi wonderchip, quickly securing its reputation as the go-to platform for an entire ecosystem of wireless devices. There’s nothing that beats the ESP8266 on a ...