Universal pool controller

Geert Verstrepen
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CERN Open Hardware Licence 1.2 / CERN OHL 1.2

Published: May 11, 2021 In development

Project Description

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Project description

I wan't to get rid of old-school pool controllers and create a device that is rather universal.

Requirements:

  • Completely working on safe voltage (switching 230V by external power relays)
  • ESP32 driven
  • 5 Relay driver outputs:
    • Pump
    • Heating
    • 3-Way solar valve
    • Light
    • Dosing system
  • 1-Wire inputs for temperature probes (ds18b20)
  • Character display (I2C)
  • I2C available for Ph / Rx probes (Atlas-Scientific)
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Design Files

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Component (17)
Qty
Description
1N4001-T

D1

1
1.0A RECTIFIER
SCREW-5.0/5.08 2WAYS

P20, P19, P21, P22, P4, P23

6
SCREW-2WAYS
MR106-10K-.1-ND

R8, R3, R1, R4, R2

5
10 kOhms ±0.1% 0.25W, 1/4W Through Hole Resistor Axial Wirewound
RNF14FAD1K00-1K

R6, R7, R13, R12

4
General Purpose Metal Film Resistor

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