the Raspberry Pi 4 has six SPI controllers, six I2C controllers, and six UARTs – all on its 40-pin header. You can’t make use of all of these at once, but with up to four different connections ...

However, everything changed when I bought my first Raspberry Pi Zero in 2016. Since it was a lot less powerful than the ...

Broadcom makes the SOC at a very fine feature scale, while Raspberry Pi can use larger and cheaper processes to handle the rest: Ethernet, USB, MIPI, analog video out, USART, I2C, I2S, PWM ...

For years, Raspberry Pi has been known for its budget-friendly ... such as PWM (16 channels), UART (two channels), I2C (two channels), SPI (two channels), and Programmable I/O or PIO (eight ...