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Various sensor expansion boards

Overview

1. Component selection:

Temperature and humidity sensor: SHJT30;

Light intensity sensor: BH1750;

Smoke sensor: MQ-2;

Human body induction sensor interface: HC-SR501;

Infrared reception;

Infrared emission.

2. Function

The corresponding function of the sensor is to receive infrared remote control (mainly want to control the air conditioner, no sample code)

3. Shell design

SolidWorks2020 design, using magnetic blocks (10×5×2mm) to absorb and merge the upper and lower covers, 3D printing

4. Physical pictures

Design Files

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Various sensor expansion boards

Temperature and humidity sensor: SHJT30; Light intensity sensor: BH1750; Smoke sensor: MQ-2; Human body induction sensor interface: HC-SR501; Infrared reception; Infrared emission.

Temperature and humidity sensor: SHJT30;

Light intensity sensor: BH1750;

Smoke sensor: MQ-2;

Human body induction sensor interface: HC-SR501;

Infrared reception;

Infrared emission.