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.

Water Tank Level

RaspberryReef automates the refill process and measures temperature of private reef aquariums. The application is written in JavaScript with Node.js and runs on a Raspberry Pi 3 B+.

Rainwater tank monitor with battery powered ESP32 and ultrasonic sensor

Monitoring water levels to help automate water storage (tank 2 sensor being installed) and site temp/humidity..

Ping sensors on house rain water tank, pressure feed tank, fish farm tank.

Channel for monitoring my planted nano tank using the ESP8266

Channel for monitoring my Neocaridina shrimp tank using the ESP8266

Fish tank system & water parameters

003-My 3rd TS project: Spitzpor's fish tank monitoring

Fish Tank Monitor

Water softener salt level monitor. Sensor uses ESP8266-12 & HC-SR04 ultrasonic sensor. Remote uses ESP8266-12e & Nokia 5110 LCD to display the level.

condition of the fish tank

Water tank monitoring

Municipal potable water tank monitoring: the system consists of a Raspberry B+ with UPIS power backup, a Teltonika twct22 controller, a USB<-->RS232 converter and a 3G USB stick (huawei modem firm), recorded parameter is 3G signal, refresh rate ~20sec