The complete IoT
stack you run yourself

import { DeviceEntrypoint } from "@devicesdk/core";

export class Thermostat extends DeviceEntrypoint {
  // Called when device connects via WebSocket
  async onDeviceConnect() {
    // Monitor button on GPIO 14
    await this.env.DEVICE.configureGpioInputMonitoring(14, true);
  }

  // Called for every device message
  async onMessage(message) {
    if (message.type === "gpio_state_changed") {
      const pin = message.payload.pin;
      await this.env.DEVICE.kv.put("lastPin", pin);

      if (message.payload.state === "low") {
        await this.env.DEVICE.setGpioState(15, "high");
      }
    }
  }
}