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ESP32 IoT Room Station (Relay + DHT22)
Turn your lamp on from your phone and watch your room's temperature and humidity live, wherever you are. This project is the step-by-step guide to the Room station IoT template in the app, built with an ESP32, a relay module and a DHT22. Go to Workshop › Devices › Add a device and pick Room station; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
ESP32 IoT Lamp Switch (Relay)
Turn your lamp on and off from your phone, wherever you are. This project is the step-by-step guide to the Relay lamp IoT template in the app, built with an ESP32 and a relay module and tried with an LED first. Go to Workshop › Devices › Add a device and pick Relay lamp; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
Pico W IoT Temperature and Humidity (DHT22)
Watch your room's temperature and humidity live on your phone wherever you are. This project is the step-by-step guide to the Temperature and humidity IoT template in the app, built with a Raspberry Pi Pico W and a DHT22. Go to Workshop › Devices › Add a device, pick Pico W as the board and Temperature and humidity as the template; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
ESP32 IoT RGB LED Strip (WS2812B)
Control your room's light from your phone: pick a color, set the brightness, turn on the rainbow or breathe effect. This project is the step-by-step guide to the RGB LED strip IoT template in the app, built with an ESP32 and a 30-LED WS2812B strip using three wires. Go to Workshop › Devices › Add a device and pick RGB LED strip; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
Pico W IoT Door Sensor (Reed Switch)
Did you leave the door or window open? Check on your phone wherever you are. This project is the step-by-step guide to the Door / window IoT template in the app, built with a Raspberry Pi Pico W, a reed switch and a small magnet using two wires. Go to Workshop › Devices › Add a device, pick Pico W as the board and Door / window as the template; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
ESP32 IoT Plant Watering (Soil Sensor + Pump)
Let the pump start by itself when the soil in your pot dries out, and watch the soil moisture live on your phone. This project is the step-by-step guide to the Soil moisture + pump IoT template in the app, built with an ESP32, a soil moisture sensor, a relay and a mini water pump. Go to Workshop › Devices › Add a device; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
Pico W IoT Motion Counter (PIR)
Count how many times someone walks through a door or hallway, and see the moment of motion live on your phone. This project is the step-by-step guide to the Motion detector IoT template in the app, built with a Raspberry Pi Pico W and a PIR motion sensor using just 3 wires. Go to Workshop › Devices › Add a device; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.
ESP32 IoT Curtain Opener (SG90 Servo)
Tap + or − on your phone and the servo turns to that angle at the same moment: open and close a model curtain, a blind's tilt rod or a small lid from wherever you are. This project is the step-by-step guide to the Servo curtain IoT template in the app, built with an ESP32 and an SG90 servo using just 3 wires. Go to Workshop › Devices › Add a device; Ohmi prepares the code with your own device key. The code on this page is an example: the key and Wi-Fi details are placeholders.