[Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode and wire it up right, and you’ve got yourself a nifty little IR detector.
The new electrostatic discharge (ESD) protection diodes featuring extremely low clamping and ultra-low capacitance aim to serve high-speed data lines such as USB 3.2, HDMI 2.0, LVDS, automotive A/V ...