AIoT科技物语_个人页

推荐你一个支持三元组的mqtt客户端，https://developer.aliyun.com/article/781940

设备端接入IoT物联网平台需要集成iot sdk或者开源mqtt sdk，也就是涉及到硬件上应用程序改动。 有些设备可以通过外置DTU方式，接入IoT物联网平台，这样设备不改动，在外置DTU集成SDK

从技术角度看抽油烟机和共享充电宝类似

可以使用云监控产品，来监控数据流转表格存储，有失败会触发告警。 参考 https://www.yuque.com/cloud-dev/iot-tech/tn5iq4

动态注册只是多了一步https请求换取三元组过程 productKey = productKeyView.getText().toString();         productSecret = productSecretView.getText().toString();         deviceName = deviceNameView.getText().toString();         try {             String url = 'https://iot-auth.cn-shanghai.aliyuncs.com/auth/register/device';             String random = String.valueOf(System.currentTimeMillis());             String signMethod = 'hmacsha1';             HashMap params = new HashMap<>();             params.put('productKey', productKey);             params.put('deviceName', deviceName);             params.put('random', random);             //签名             String sign = AliyunIoTSignUtil.sign(params, productSecret, signMethod);             //post的form参数             String form = 'productKey=' + productKey + '&deviceName=' + deviceName + '&random=' + random + '&sign=' + sign + '&signMethod=' + signMethod;             Log.d(TAG, 'formbody ' + form);             RequestBody body = RequestBody.create(MediaType.parse('application/x-www-form-urlencoded'), form);             final Request request = new Request.Builder()                     .url(url)                     .post(body)                     .build();             final OkHttpClient client = new OkHttpClient();             Response response = client.newCall(request).execute();             responseBody = response.body().string();             Log.d(TAG, 'response body ' + responseBody);             JSONObject json = new JSONObject(responseBody);             deviceSecret = json.getJSONObject('data').getString('deviceSecret');         } catch (Exception e) {             e.printStackTrace();         }

Re钉钉开放平台代码DEMO征集暨论坛版主招募 贡献一个nodejs的吧 github.com/wongxming/dtalkNodejs