Manage electric heater using DHT22 sensor and Blynk backend
Manage irrigation using digital sensor and timer
Manage irrigation using analog sensor and timer
Online geiger counter based on NodeMCU and RadiationD-v1.1-CAJOE boards. Also controls cell modem and reboot it if the connection lost.
Collects and sends to Blynk temperature, pressure, humidity, rain present and light level.
Supports both remote and local power management. Remote part is based on Blynk server and local one uses hardware button.
OLED display working samples