ESP32 smart irrigation system

Reads soil moisture and temperature, runs the pump when the soil dries out, and stops when it is watered. Monitor it from your phone over Wi-Fi. Ships complete, with an Arabic build guide.

Difficulty: Intermediate
Build time: 3 hours
Soldering: A little
Estimated total: 795EGP

Ask about this project

What you will learn

Wiring and reading an analogue soil moisture sensor
Switching a 5V pump safely through a relay
Connecting the ESP32 to Wi-Fi and publishing readings
Writing threshold-based irrigation logic instead of a blind timer
Showing status on an OLED display

What is in the box

Untick anything you already own and the total updates as you go.

Core parts

The project does not work without these.

ESP32-WROOM-32 development board with Wi-Fi and BluetoothESP32-WROOM-32
In stock
Quantity: ×1285EGP
Capacitive soil moisture sensor v1.2SEN0193
In stock
Quantity: ×160EGP
5V single-channel relay moduleSRD-05VDC-SL-C
In stock
Quantity: ×140EGP
Submersible mini water pump, 3–6VMP-385
In stock
Quantity: ×165EGP
DHT22 temperature and humidity sensorAM2302
In stock
Quantity: ×1145EGP

Accessories

Recommended, and included by default.

830-point breadboardMB-102
In stock
Quantity: ×170EGP
40× DuPont jumper wires, male-to-maleDUPONT-MM-40
In stock
Quantity: ×135EGP
5V 2A power adapterPSU-5V2A
In stock
Quantity: ×195EGP

Optional add-ons

Nice to have. Not ticked to begin with.

0.96" SSD1306 OLED displaySSD1306
In stock
Quantity: ×1120EGP