What if you could broadcast signals across the globe using just a credit-card-sized computer and a handful of components? It might sound like a scene from a sci-fi novel, but with a Raspberry Pi and ...

Without a doubt, Raspberry Pi 4 has a capable processor. It has a Broadcom BCM2711 processor with four Cortex-A72 cores, which are capable of clocking much higher than 1.5 GHz, which you get out of ...