! PMS7003

https://github.com/jmstriegel/Plantower_PMS7003

https://aqicn.org/sensor/pms5003-7003/

https://aqicn.org/air/view/sensor/spec/pms7003.pdf
,,,,¢¢,¢¢
,9,7,5,3,1
,10,8,6,4,2

,PIN,name
,1,Vcc(5v)
,2,Vcc(5v)
,3,GND
,4,GND
,5,RESET
,6,NC
,7,RX
,8,NC
,9,TX
,10,SET


! OLED (OLED(SSD1309))
https://nuneno.cocolog-nifty.com/blog/2017/08/oledssd1309-296.html

 SPI Pin Outs
 1. GND
 2. VCC (3.3 - 5V)
 3. SCL (Clock Line)
 4. SDA (Data Line)
 5. RES (Reset Line - Active Low)
 6. DC (Data/Command)
 7. CS (Chip Select)

,OLED ,ARDUINO UNO, xaio
,GND ,GND ,GND
,VCC ,5v , 3v3
,SCL ,13 (SCK) , 8 (SCK)
,SDA ,11 (MOSI) , 10 (MOSI)
,RES ,8 , 3
,DC ,9 , 2
,CS ,10 (SS), 1

https://forum.arduino.cc/t/2-42-oled-ssd1309-with-u8glib/425247

! seeeduino xaio
tips-SeeeduinoXIAO