Making a heated computer mat for use outside

Now I am in the business of taking astrophotography, this means my favourite laptop is sittong outside in the cold and damp.

Hence, the need to create a heated computer mat to keep it comfy! Also stops it turning off in the cold.

Composed of two x vivsrium heating mats and one of those plastic mats with lots of holes for putting pots on when you take them off the stove – the mats produce vs. 13W each and the holey mat covering them allows heat through and any moisture to drain away as well as ensuring plenty of ventilation for bottom of laptop.

Andy

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