Bit-Tree Creativity - 38kHz 3.3V‑5.5V Infrared Remote Control Transmitter Module

IR Remote Transmitter Module

BIT‑TREE infrared remote transmitter module adopts mainstream 38kHz infrared carrier frequency and works on 3.3V‑5.5V wide voltage supply. It transmits encoded infrared signals to realize wireless remote control. Featuring simple wiring and easy driving, it fits wireless remote retrofit, household appliance simulation, interactive maker DIY projects and other usages.

Compliant with standard 38kHz infrared carrier frequency

Direct drive supported under wide input voltage range

Stable wireless infrared signal transmitting performance

BIT-TREE CREATIVITY

STEAM skills like programming will be a core competency for the next generation, and the time to cultivate this ability is now.

Parameter Category	Item	Specification Details
Basic Information	Product Model	A021
Basic Information	Product Name	Infrared Remote Transmitter Module (A021)
Basic Information	Product Weight	Cased weight: 11g — Bare PCB weight: 4g
Basic Information	Working Voltage	3.3V ~ 5.5V DC
Interface Parameters	Interface Type	PH2.0 3P Terminal
Interface Parameters	Pin Definition	G: Power Negative V: Power Positive S: Digital Signal Input Pin
Physical Parameters	Module Dimension	See attached drawing
Physical Parameters	Mounting Hole Specification	See attached drawing
Function Description	Working Mode	Receives digital signals and converts them into 38kHz infrared optical signals for external transmission
Packaging Solution	Optional Packaging	① Anti-static bag soft package ② White cardboard hanging hole box ③ Kraft paper box

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