You haven't discussed your test environment.
Even though they're "IR", those devices are highly susceptible to ambient, visible light.
They need to be placed inside an optically-isolated, "light-sealed", box or tube.
You haven't discussed your test environment.
Even though they're "IR", those devices are highly susceptible to ambient, visible light.
They need to be placed inside an optically-isolated, "light-sealed", box or tube.