This one is also nice. Mostly because there is a waterproof probe version of it. So it's possible to measure temperate in a tank, pool or whatever liquid!
Can get it shipped from ali for around US$ 1
Link: https://www.aliexpress.com/item/1pcs-1m-DS18b20-Stainless-steel-package-Waterproof-DS18b20-temperature-probe-temperature-sensor-18B20/32850705309.html
This one is also nice. Mostly because there is a waterproof probe version of it. So it's possible to measure temperate in a tank, pool or whatever liquid!
Can get it shipped from ali for around US$ 1
Link: https://www.aliexpress.com/item/1pcs-1m-DS18b20-Stainless-steel-package-Waterproof-DS18b20-temperature-probe-temperature-sensor-18B20/32850705309.html