The cheap probe was accurate enough, but the lead was too short to read without leaning into the bin. I spliced in a longer cable and sealed the joint with heat shrink and silicone.
It is not elegant. It is also easier to read, which makes it more likely to be used.
Numbers
- Cool morning: 34 C near the edge.
- Warm center: 49 C after turning.
- Ambient: 12 C, light rain.