WIRED Surprising power at very little cost; ideal for emulation and automation projects; it’s less than £15 TIRED Solder your own header pins if you need GPIO The smallest Raspberry Pi computer is going 64-bit. The new Raspberry Pi Zero 2 W costs just $15/£13, but is equipped with a Broadcom BCM2710A1 SOC which gives you a 1GHz quad-core 64-bit ARM Cortex-A53 CPU and 512MB RAM. The W indicates...