So I got me a particle ethernet featherwing. I have plugged in an argon in the middle slot and an OLED featherwing in the third slot. I am totally confused how to hook up my sensors from here! I am totally new to this. I have 3 sensors I’d like to connect to this setup : Adafruit Sensirion SH…

The first two sensors want to be connected to SCL/SDA (aka I2C interface) while the third one can either be connected to I2C or RX/TX (UART). To connect them you’d just use the proto area on the EtherWing.

So remove the argon or LCD and connect the sensors to the etherwing before connecting the argon on top ? Apologies I am new to this.

You should have some experience with soldering to connect your sensors properly, but yes, it’s best to remove all removable components from the EtherWing when you want to solder in the wires you’ll be hooking up your sensor with.

Hello @ScruffR For the third one ( the dust sensor ), I connected it to serial 1 (rx/tx) on the ethernet featherwing. In my ino file, I was supposed to set it to something like this: #define SP30_COMMS SERIALPORT1 #define TX_PIN 8 #define RX_PIN 8 I think the pin numbers in my case will be differ…

You can use RX and TX as pin names, no need to define your own. Furthermore SERIALPORT1 is not a known macro AFAICT - you should rather use Serial1. On Photons there is no pin 8.

[image] ScruffR: Furthermore SERIALPORT1 is not a known macro AFAICT - you should rather use Serial1 . @ScruffR This is a bit over my head. What does this mean? Also what does this become then? It seems I need to define the pins the sps30 is connected to. #define TX_PIN 8 #define RX_PIN 8

[image] paulvha/sps30 Sensirion SPS30 driver for ESP32, MEGA2560, UNO, ESP8266, Particle-photon on UART OR I2C coummunication - paulvha/sps30

[image] ScruffR: Furthermore SERIALPORT1 is not a known macro AFAICT - you should rather use Serial1 . So i did this using the library: #define SP30_COMMS SERIAL1 And it failed to compile.

Layout help with ethernet featherwing

Hardware

vacquah January 20, 2020, 8:26pm 9

I have been referencing this: Dust Sensor - PMS 5003/6003/7003 - #110 by RWB - where they seem to be using the photon?

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Layout help with ethernet featherwing

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