[Pool Water Monitoring] #17 - Frustrations, frustrations and some new ways.

RE: [Pool Water Monitoring] #17 - Frustrations, frustrations and some new ways.

christophesky — Sat, 26 Feb 2022 23:28:42 GMT

What pH probe did you go with in the end? I have one from DFRobot and found it to work quite well. I didnt have any buffer solutions and so found this to be quite a good thread - https://www.aquaticplantcentral.com/threads/household-items-ph-standards.68037/ I went with milk for my 7.4-7.5 solution :)

RE: [Pool Water Monitoring] #17 - Frustrations, frustrations and some new ways.

feiticeir0 — Fri, 28 Jan 2022 14:21:14 GMT

It turns out that to be able to connect a MKR 1300 WAN to the Arduino IoT, it must be using The Things Network - but I'm not near any gateway... The only one on my city is on the other side of the city and I'm behind a mount - not very big, but enough for me not to be able to reach the gateway...

I tough I had this problem before, but the last time I've connected to the Arduino IoT Cloud was with an Arduino Nano 33 iot... I knew the network settings were a bit off..

RE: [Pool Water Monitoring] #17 - Frustrations, frustrations and some new ways.

beacon_dave — Thu, 27 Jan 2022 20:34:54 GMT

"...But, how to send the data values to the Arduino UNO ?..."

This button wall project uses I2C to communicate between 21 Nanos and 6 Unos [emoticon:c4563cd7d5574777a71c318021cbbcc8]

https://youtu.be/ypBI0wJYfcQ?t=138

RE: [Pool Water Monitoring] #17 - Frustrations, frustrations and some new ways.

rsjawale24 — Thu, 27 Jan 2022 17:24:58 GMT

But, how to send the data values to the Arduino UNO?
Hi! There are multiple ways to do this. If you are looking for wireless communication, then the easiest way is to use a 433 MHz ASK Tx/Rx pair.
Since UNO does not have any wireless connectivity option, this is my preferred way of sending data. It's inexpensive and easy to set up.
Other ways are by using ESP modules or simply using a wired connection and UART protocol(serial comm.)