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PMSerial: HardwareSerial1.ino

Read PMS5003 sensor on SWSerial

Arduino Uno

Note This is a 5V board, and the PMS5003 RX/TX pins are 3.3V. You need to add a logic level converter, or use a 3.3V version of this board.

  • SWSerial on pins 10 (RX) and 11 (TX).
[env:uno]
framework = arduino
platform = atmelavr
board = uno
# compile
platformio run -e uno

# upload
platformio run -e uno -t upload

# open serial monitor
platformio run -e uno -t monitor

Arduino Pro Mini (ATmega168, 3.3V, 8 MHz)

3.3V/8Mhz version of the pro mini board with an ATmega168. Note This is a 3.3V board, and the PMS5003 requires 5V. You need provide 5V for the fan to operate properly.

  • SWSerial on pins 10 (RX) and 11 (TX).
[env:mini168_3V3]
framework = arduino
platform = atmelavr
board = pro8MHzatmega168
# compile
platformio run -e mini168_3V3

# upload
platformio run -e mini168_3V3 -t upload

# open serial monitor
platformio run -e mini168_3V3 -t monitor

Arduino Pro Mini (ATmega328, 3.3V, 8 MHz)

3.3V/8Mhz version of the pro mini board with an ATmega328. Note This is a 3.3V board, and the PMS5003 requires 5V. You need provide 5V for the fan to operate properly.

  • SWSerial on pins 10 (RX) and 11 (TX).
[env:mini328_3V3]
framework = arduino
platform = atmelavr
board = pro8MHzatmega328
# compile
platformio run -e mini328_3V3

# upload
platformio run -e mini328_3V3 -t upload

# open serial monitor
platformio run -e mini328_3V3 -t monitor

ESP8266 ESP-01 512k

Note This is a 3.3V board, and the PMS5003 requires 5V.

[env:esp01]
framework = arduino
platform = espressif8266
lib_deps = EspSoftwareSerial@>=6.7.1
board = esp01
build_flags = -D PMS_RX=2 -D PMS_TX=0
# compile
platformio run -e esp01

# upload
platformio run -e esp01 -t upload

# open serial monitor
platformio run -e esp01 -t monitor

WeMos D1 mini

Note This is a 3.3V board, and the PMS5003 requires 5V.

[env:d1_mini]
framework = arduino
platform = espressif8266
lib_deps = EspSoftwareSerial@>=6.7.1
board = d1_mini
build_flags = -D PMS_RX=D7 -D PMS_TX=D6
# compile
platformio run -e d1_mini

# upload
platformio run -e d1_mini -t upload

# open serial monitor
platformio run -e d1_mini -t monitor

ESP32 MiniKit

Note This is a 3.3V board, and the PMS5003 requires 5V. You need provide 5V for the fan to operate properly.

  • Serial1 is by default on pins 9 (RX) and 10 (TX).
  • Serial2 on pins 16 (RX) and 17 (TX).

On some ESP32 boards Serial1 default pins are connected to the flash. Using the standard constructor will cause a crash, see espressif/arduino-esp32#148.

// will crash the ESP32
SerialPM pms(PMSx003, Serial1);

Fortunately, it is possible to define alternative for pins by calling:

// define Serial1 pins
Serial1.begin(9600, SERIAL_8N1, <RX>, <TX>);

The PMSerial library uses this feature to implement the flexibility of SoftwareSerial

// define Serial1 pins
SerialPM pms(PMS5003, <RX>, <TX>);

This example uses Serial1 on pins 23 (RX) and 19 (TX). The HardwareSerial example uses Serial2 directly.

[env:esp32minikit]
framework = arduino
platform = espressif32
board = mhetesp32minikit
build_flags = -D PMS_RX=23 -D PMS_TX=19
# compile
platformio run -e esp32minikit

# upload
platformio run -e esp32minikit -t upload

# open serial monitor
platformio run -e esp32minikit -t monitor