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@davidbody@fosstodon.org
2025-07-23 17:52:13

This is kind of fun. Using an infrared receiver module (TSOP38238) to display the signals produced by a Blu-Ray player remote control on an oscilloscope. The signals are active-low and pulse-width modulated.
#electronics #oscilloscope

A TV/Blu-Ray player remote control pointed at a simple circuit on a proto-board. When buttons are pressed on the remote, the oscilloscope in the background displays pulse-width modulated patterns. Next to the remote is a datasheet for the IR receiver module on the proto-board.