Pool-Matrix-Monitor

Simple arduino pool clock with sensors

Pool-Matrix-Monitor is pool clock with temperature, ph sensor and all this data send to ThingSpeak, or GET to server.

Main Features

• Matrix display in cycle(TIME,"Outsite",OUTSITE_TEMPERATURE,"Pool",POOL_TEMPERATURE,"PH sensor", POOL_PH)
• Measurement of Sensors light, temperature, ph
• Auto detection connected sensors
• Auto correct summer and standart time (DST correct)

How to use?

1. Choose Optimal Board version. Project is saved in NAME_OF_BOARD/... (example PoolMatrixNano/...)
2. Create circuit or pcb
3. Upload Arduino Software with Arduino IDE
4. Put sensors in conectors and you can put in box

Full Tutorial in CZ language here

Boards Versions

I have prepering more version of this project so you can choose which is best for you.

Boards Versions	MCU	transfer type pool sensor	SW release	HW release	Price
PoolMatrixNano	Arduino nano	cable	PMN-v1.0	PMN-v1.1H	~13$
PoolMatrixNanoEth	Arduino nano	cable	Not realesed	Not realesed
PoolMatrixESP32	ESP32	cable OR WIFI	Not realesed	Not realesed
PoolMatrixESP8266	ESP8266	cable OR WIFI	Not realesed	Not realesed

for more info with tutorial go to section All Boards list

PoolMatrixNano [Full version]

Offline board arduino nano mcu with rtc, matrix display and sensors. Simple cheap and easy for home pool.

Basic

• Arduino nano
• DS3231
• MAX7219 Matrix LED Display Module 4-v-1
• some resistors

Optional

• DS18B20 - temperature sensor
• Photo Resistor
• PH sensor PH-4502C

PCB

I designed PCB oneside only with some proclaim wires :). So, you can easily create in home or you can solder on prototype pcb. PCB is saved in NAME_OF_BOARD/pcb/ you can choose more version(no ethernet, etc.).

PS: In this time you can choose only PoolMatrixNano

Installation

• Download below library and upload code with Arduino IDE to arduino nano. Code is saved in NAME_OF_BOARD/src/ you can choose more version(no ethernet, etc.).

In MD_Parola library you must to disable all advance function for a smaller size.

PS: In this time you can choose only PoolMatrixNano

Library

• MD_MAX72xx - from MajicDesigns
• RTClib - from adafruit
• DallasTemperature - from milesburton
• Ethernet2 - from adafruit
• DST_RTC - from andydoro

Planned Features

• send data to database (MYSQL), ThingSpeak
• ESP8266/ESP32 version
• NTP synchronize time

Support

Project is supported if you have any problem contact me. Please give me a ⭐ if you like my project. If you have any problem feel free and contact me.