[YAO] Five-Sensor Board (Power/Light/Temperature/Humidity/Gyroscope/Atmospheric Pressure)

I. Purpose:
To test several sensor chips, prototyping them one by one would be a waste of resources (for environmental reasons), so I organized them and drew all the IIC communication chips on one board (IIC can support multiple devices simultaneously).
 
II. Chips Used
(Chip datasheets are recommended to be found on "Semiconductor X" or "X" websites; I'm too lazy to list them here):
1. LDO Power Supply: ME6212C33
2. Power Detection: INA219
3. Light Detection: BH1750
4. Temperature and Humidity Detection: AHT20
5. Six-Axis Gyroscope: MPU6050
6. Atmospheric Pressure Detection: BMP280
 
III. Board Description:
1. Size: 50*50cm, double-layer board
2. Each chip on the board has its IIC SDA and SCL pulled up (at the 4.7K resistor position). Normally, only one pair needs to be soldered; however, since not all chips need to be soldered, this step was left as is.
3. I've kept all the empty pin headers on the board for use with other boards (wiring is too troublesome). Unnecessary pin headers on these boards can be removed.
IV. Image Display
1. PCB 3D Drawing (Front and Back
 
) 2. Actual Component Image
 
V. Project Description
Design: Yao
Time: 20240701