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 ...

This is a simple example of what you can do with a logic analyzer and a Raspberry Pi with a 40-pin header. Let’s ramp it up! On the Pi board alone, I2C is used in a few different places ...

Now Pi boards have their tiny bits and bigger pieces soldered at the same time through an intrusive reflow soldering process ...

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

The Raspberry Pi Pico is fitted with the Raspberry Pi ... MISO, and SCK), and one I2C/TWI (pins A4 and A5 as SDA and SCL). The Pico, however, doubles these numbers. It offers two UARTs: the ...