Windscribe have a free product called control-d DNS which works like pihole but you don’t have to manage it yourself. Just set your router or PC DNS to point to the controld DNS server that suits what you want filtered.

Ohchr.org daily reports

RCA cdp1802 based system. 10 switches for binary input. 2 hex digits for output. A massive 256 bytes of memory which I never managed to fill. No OS or permanent storage. Circa 1975.

Grub

Yes they work well. No batteries needed. They give clear indication of dry/moist/soggy. I was over-watering and killing plants before I bought one.

A soil moisture measuring device to tell when plants need watering. 2 for $10 on amazon.

head and tail