[Matteo] bought a new Raspberry Pi 4. Why not? You get a quad-core ARM processor, up to 4 GB of RAM, and a gigabit Ethernet port for $35 $35-55. However, the default operating system is still a 32 ...

Since the introduction of the Raspberry Pi Compute Module 4, power users have wanted to use ... of its own niceties like an RTC module and I2S DAC with a high-quality headphone amplifier.

Hence the CM4S - "loosely based on the Raspberry Pi 4 Model B," according to the company. A CM4SLite variant also turned up - seemingly earlier this year - , supplied without the eMMC storage ...