Know your tank level, live.
TankSense pairs a LilyGo T-Display with an HC-SR04 ultrasonic sensor to stream your liquid level to the cloud — no more opening the tank to check.
Tank 01 · Rooftop
72% full
Distance
18.4 cm
Flow rate
0.4 L/min
Temp
24°C
Low-level alert
Sent via SMS
How it works
Surface to screen in three steps
Ultrasonic ping
The HC-SR04 sensor fires a sound pulse at the liquid surface and times the echo to measure depth in millimetres.
LilyGo reads it
The LilyGo T-Display converts the echo into centimetres and litres, then shows the reading on its built-in screen.
Cloud dashboard
Every reading is sent to the cloud so you can check levels, trends and alerts from any phone or browser.
Why TankSense
Liquid levels you can trust
Live sensor feed
The ultrasonic ping updates your dashboard every 10 seconds, streamed straight from the LilyGo T-Display over MQTT.
Smart alerts
Set a min/max band and get an SMS or push the moment the tank nears empty or overflows — even offline.
Usage history
A clear 30-day chart tracks consumption trends, so you can spot leaks and plan refills before the tank runs empty.
Bring every tank into view
Connect the LilyGo T-Display and ultrasonic sensor to start monitoring levels, trends and alerts from one secure dashboard.