Topic

Home & farm automation

Relays, timers, moisture and light sensing — the builds that quietly run for months in a corner without anyone touching them.

Shop automation parts

IoT Robotics Sensors Power Displays Motors Communication Automotive Automation

2 articles

Arduino Nano wired to a servo-driven wiper arm and a 0.96in OLED showing a rain animation

3 min read

Tutorial

Rain Sensing Wiper using Arduino Nano with OLED

Build a rain-sensing wiper with an Arduino Nano, a rain sensor, an SG90 servo and a 0.96in OLED — wiring table, full sketch and the failures to expect.

Intermediate 60 min build 4 parts28 Jul 2026

Arduino wired to a soil moisture probe, a relay module and a small water pump beside a potted plant

3 min read

Tutorial

Arduino Automatic Plant Watering System with a Soil Moisture Sensor

Wire a soil moisture sensor, a relay and a mini pump to an Arduino so your plants water themselves — with the calibration step most guides skip.

Beginner 45 min build 4 parts28 Jul 2026