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Smart Aquarium - arduino-smart-aquarium

This ESP32 T-Relay device is intended to monitor and control my two planted nano aquariums. It uses the ds18b20 sensor to measure the water temperature, has a thermostat function and also has an on/off schedule for lights and CO2 solenoid valve.

For this project, I chose to use the ThingSpeak IoT platform. See the dashboard here: https://thingspeak.com/channels/2421172

Basically, this project applies to my two planted nano aquariums, one 20l and the other 45l, which has CO2 injection through a Zrdr stainless steel cylinder and external Drop Checker. Each one has two 6500K LED bars and simple heaters that are activated according to a target temperature (thermostat function. See: https://github.com/lcsjunior/arduino-smart-aquarium/blob/main/lib/common/thermostat.h).

4 outlets are using the relays and 2 have ac current directly to power the hang-ons. K1 for aquarium heater 1, K2 for aquarium heater 2, K3 for LED bars connected to a P4 source and K4 for CO2 solenoid valve.

Screenshots

This DIY device consists of a Shako HT200 plastic box, a 4x4 set with 6 sockets, LILYGO T-Relay ESP32, waterproof ds18b20 sensors, 12V power supply, wires, WAGO connectors and scraps.

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