As we all know, wearing a helmet is mandatory in most countries, including India while driving a vehicle, not just because of ...

While the SSD1306 OLED has somewhat become the go-to display for up ... To communicate with each LCD via I2C, two TCA9548A I2C multiplexers are connected to an Arduino, along with an RTC to ...

We like this approach because instead of doing some hard-core LCD work ... grabbed an I2C port expander that uses just 2 of the RPi lines to address even lines of the display (four data bits ...