Air conditioner companion

Infrared learning remote control module ( air conditioning companion ) based on Tuya Smart's WR3E chip . The air-conditioning companion module has air-conditioning infrared learning emission, air-conditioning switch relay control, power statistics, etc. The first two functions are used this time.

This module uses the WR3E chip for control, uses USB5V power supply, and outputs 3.3v through the voltage regulator chip to power the system. It consists of infrared learning, infrared emission, relay output, brightness-adjustable night light output and other parts.

1. Basic functions:

1. Infrared learning
2. Infrared emission
3. Relay output
4. Adjustable night light

2. Module parameters:

Select New Product Development---Air Conditioning Companion. This time, the system default parameters are used without any changes.

2. Circuit layout:

1. In order to save space and have a beautiful appearance, this circuit board adopts a circular design and has a compact structure.

2. The infrared emission uses four emitting diodes evenly distributed on all sides to ensure good signals in all directions.

3. The antenna part of the Tuya module is slotted to reduce wireless signal obstruction.

4. The night light uses warm white 3528 lamp beads, and the luminous efficiency of 3528 lamp beads exceeds 100mcdmcd. Square plastic form. The lead wires are located on the upper and lower sides of the lamp bead, and the intensity of the light output surface is angular scattering half-angle distribution. The maximum operating current of the 3528 lamp bead is 0.06A, and the color rendering index is between 70 and 80. A potentiometer is used for brightness adjustment to ensure that the brightness of the light at night is suitable for the surrounding environment.

5. The relay outputs opening and closing point signals to facilitate future function expansion.