[chbot] Electrical Meter LED pulse detection and capture

Volker Kuhlmann list57 at top.geek.nz
Mon Aug 23 22:24:57 BST 2021

Why don't you use a phototransistor and a black tube, to remove ambient
light? A red transparent filter would further improve SNR.

What's the electrical safety of getting any signal out of a meter box?
Wireless needs a power supply, copper cable needs a hole.


Volker Kuhlmann
http://volker.top.geek.nz/	Please do not CC list postings to me.

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