[{"itemType":"chapter","number":"1","published_number":0,"title":"\u7269\u8054\u7f51\u4e3b\u677f\u8bbe\u8ba1\u6982\u8ff0","result":"","resultStatus":"","lock":"","status":"published","taskId":"28145","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"\u521d\u8bc6\u7269\u8054\u7f51","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25089","isOptional":"0","type":"video","isTaskFree":"1","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:14","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"\u7269\u8054\u7f51\u4e3b\u677f\u4ecb\u7ecd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25090","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:13","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"2","published_number":0,"title":"\u4e3b\u677fPCB\u6a21\u5757\u5e03\u5c40\u8bbe\u8ba1","result":"","resultStatus":"","lock":"","status":"published","taskId":"28142","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"3","published_number":"3","title":"\u7269\u8054\u7f51\u4e3b\u677f\u7535\u6e90\u6a21\u5757\u5e03\u5c40","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25091","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:10","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"\u7269\u8054\u7f51\u4e3b\u677f\u7535\u6e90\u6a21\u5757\u5e03\u5c40\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25092","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"30:24","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"\u7269\u8054\u7f51\u4e3b\u677fNB-IoT\u4e0eSIM\u5361\u6a21\u5757\u5e03\u5c40","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25093","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:45","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"\u7269\u8054\u7f51\u4e3b\u677fNB-IoT\u4e0eSIM\u5361\u6a21\u5757\u5e03\u5c40\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25094","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:01","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"\u7269\u8054\u7f51\u4e3b\u677fUSB\u4e0eOLED\u6a21\u5757\u5e03\u5c40","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25095","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:23","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"\u7269\u8054\u7f51\u4e3b\u677fUSB\u4e0eOLED\u6a21\u5757\u5e03\u5c40\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25096","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:18","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"\u7269\u8054\u7f51\u4e3b\u677fSTM32\u6a21\u5757\u5e03\u5c40","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25097","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:30","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"\u7269\u8054\u7f51\u4e3b\u677fSTM32\u6a21\u5757\u5e03\u5c40\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25098","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:43","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"3","published_number":0,"title":"\u4e3b\u677fPCB\u6574\u4f53\u5e03\u5c40\u4e0e\u89c4\u5219\u8bbe\u7f6e","result":"","resultStatus":"","lock":"","status":"published","taskId":"28143","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"11","published_number":"11","title":"\u7269\u8054\u7f51\u4e3b\u677f\u6574\u4f53\u5e03\u5c40\u5b9e\u64cd \u4e0a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25099","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"35:40","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"\u7269\u8054\u7f51\u4e3b\u677f\u6574\u4f53\u5e03\u5c40\u5b9e\u64cd \u4e0b","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25100","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:57","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"\u7269\u8054\u7f51\u4e3b\u677f\u53e0\u5c42\u4e0e\u89c4\u5219\u5236\u5b9a","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25101","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:52","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"chapter","number":"4","published_number":0,"title":"\u4e3b\u677fPCB\u5e03\u7ebf\u8bbe\u8ba1","result":"","resultStatus":"","lock":"","status":"published","taskId":"28144","isOptional":"0","type":"chapter","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"14","published_number":"14","title":"\u7269\u8054\u7f51\u4e3b\u677f\u5173\u952e\u4fe1\u53f7\u7ebf","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25102","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:01","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"\u7269\u8054\u7f51\u4e3b\u677f\u5173\u952e\u4fe1\u53f7\u7ebf\u5e03\u7ebf\u5b9e\u64cd","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25103","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:33","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"\u7269\u8054\u7f51\u4e3b\u677f\u6574\u677f\u5e03\u7ebf1","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25104","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"29:11","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"\u7269\u8054\u7f51\u4e3b\u677f\u6574\u4f53\u5e03\u7ebf2","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25105","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"30:02","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"\u7269\u8054\u7f51\u4e3b\u677f\u7535\u6e90\u5730\u5904\u7406","result":"","resultStatus":"","lock":false,"status":"published","taskId":"25106","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:55","activityEndTime":"","fileStorage":"local","isTaskTryLookable":0,"isSingleTaskLesson":true}]