Tag: NEC protocol

Oscilloscope capture of a real IR command annotated with Header MARK, Header SPACE, MARK, SPACE and repeated transmission.

How an IR Remote Control Works: Carrier, MARK, SPACE and NEC Protocol

Written by giux | Published on Sep 6, 2026 | No comments

How an IR remote control works, explained from real oscilloscope measurements: carrier, MARK, SPACE, header, bit timing and NEC identification.

#38 kHz infrared #digital communication #electronics #embedded systems #infrared communication #infrared remote control #IR carrier frequency #IR decoding #IR receiver #IR remote control #IR signal #IR waveform #mark and space #NEC address #NEC command #NEC frame #NEC IR protocol #NEC protocol #pulse distance encoding #remote control protocol

Setup di misura della GX-TXT-v3 con telecomando IR, righello per fissare la distanza e riferimenti per rendere riproducibile il posizionamento.

GX-TXT-v3: First Measurements with a Real Photodiode and IR Remote Control

Written by giux | Published on Aug 27, 2026 | No comments

GX-TXT-v3 tests with a real photodiode and IR remote reveal the 38 kHz carrier, burst timing, and NEC-family protocol.

#38 kHz carrier #Everlight PD333-3C/H0/L2 #GNU Octave #GX-TXT-v3 #infrared electronics #infrared remote control #IR carrier #IR photodiode #IR protocol analysis #IR remote control #MARK SPACE timing #NEC extended #NEC protocol #oscilloscope measurements #real photodiode #VIR node