一 概述

Link SDK

涂鴉Link SDK，即tuya-connect-kit。使用 C 語言實現，適用于開發者自主開發硬件設備邏輯業務接入涂鴉 IoT。Tuya Connect Kit 提供設備激活、DP 上下行和 OTA 等基礎業務接口封裝，Kit 不依賴具體設備平臺及操作系統環境，也可以運行在單任務環境，僅需要支持 TCP/IP 協議棧及提供 SDK 必要的系統依賴接口即可完成接入。

該 Kit 的 C 代碼文件通過以下目錄結構提供：

certs：設備私鑰，設備證書，服務端 CA 根證書

docs：參考文檔

libraries：外部依賴庫，包含 MQTT client、HTTP client、mbedTLS 等

interface：平臺必要移植接口，SDK 功能接口

include：SDK 有文件，包含了 SDK API

src：SDK 源代碼

platform：平臺移植接口適配

utils：通用工具模塊

examples：例程

SDK詳細介紹可以參考涂鴉connect-kit官網，這里不作贅述。移植過程中對sdk進行了少量修改，可以使用文件比對工具（例如：beyond compare）比較目錄中的文件夾和壓縮包中的源碼，查看修改了哪里。

二 涂鴉 IoT 平臺

1 注冊賬號

打開涂鴉 IoT 平臺官網：https://www.tuya.com/cn/

點擊右上角的注冊，注冊一個賬號。注冊完畢后，登錄。

2 創建產品

1 點擊左側的產品

2 點擊創建產品

3 當前組件使用的是 tuya-connect-kit 來連接涂鴉 IoT 平臺，涂鴉會根據不同的方案產生不同的激活碼，所以這里不能夠使用涂鴉已經有的產品進行開發，需要選擇其它。（如果希望使用涂鴉的軟硬件快速開發，或者0代碼開發，直接投產，可以選擇下圖中已經存在的產品）

4 同樣選擇自定義品類

5 這里選擇產品開發（生態產品接入，會提供mqtt三要素，沒有app使用）

6 使用自定義方案

7 完善產品信息，之后點擊創建產品

8 選擇自己需要的功能，可以選擇已經存在的，也可以自定義

9 這里選擇公共面板

10 選擇Link SDK，選擇硬件（這里選擇這款硬件，不影響使用自己的硬件）

11 選擇指南的任務

12 選擇暫不測試

13 免費領取兩個激活碼，注意選擇，授權碼清單，之后下載授權碼，界面意外關閉，可以按照第三張圖找到，之后下載申請的激活碼

3 生成二維碼

1 二維碼規則參考

2 在線免費生成二維碼

三 涂鴉組件的使用

1 Gitee鏈接地址

組件位于amaziot_bloom_os_sdkplatformstuyatuya-connect-kit

Gitee源碼地址：https://gitee.com/ning./hongdou

Github源碼地址：https://github.com/ayumid/hongdou

當前組件使用涂鴉提供的Link SDK中的tuya-connect-kit實現（Link SDK中還有tuya-open-sdk-for-device）。因為涂鴉平臺對不同開發方式進行了識別，所以必須按照本文所描述步驟進行，否則可能無法連接涂鴉平臺。

2 服務層組件功能介紹

提供涂鴉Link SDK(tuya-connect-kit)連接實例，實現設備通過app控制等。

該組件為平臺組件，可以單獨運行，不依賴于其它組件。

3 代碼講解

1 wait_network_ready

等待模組駐網成功，駐網超時后，會軟復位模組。

static void wait_network_ready(void) { int count = 0; int ready = 0; while (!ready) { if (getCeregReady(isMasterSim0() ? IND_REQ_HANDLE : IND_REQ_HANDLE_1)) { ready = 1; } sample_mqtt_tls_tuya_catstudio_printf("wait_network_ready: %d s", count++); if (count > 300) PM812_SW_RESET(); OSATaskSleep(200); } }

2 tuya_connectkit_task

調用tuya-connect-kit SDK中的demo，這里可以替換為其它demo。

static void tuya_connectkit_task(void *ptr) { int ret = 0; wait_network_ready(); sample_mqtt_tls_tuya_catstudio_printf("nnnSuccess in the net 2nnn"); // cellular_demo(); switch_demo_non_qrcode(); }

3 tuya_get_csq

獲取當前設備的csq值，用于上報信息中的參數。

int tuya_get_csq(void) { char atresbuf[16] = {0}; int err = 0; char *p = NULL; int csqValue = 99; memset(atresbuf, 0, sizeof(atresbuf)); err = SendATCMDWaitResp(TEL_AT_CMD_ATP_10, "AT+CSQrn", 2, "+CSQ", 1, NULL, atresbuf, sizeof(atresbuf)); if(strlen(atresbuf) >= 10 ) { p = strchr(atresbuf,':'); csqValue = atoi(p + 1); } return csqValue; }

4 tuya_get_imei

獲取當前設備的imei值，用于上報信息中的參數。

void tuya_get_imei(char *buffer) { char imei[24] = {0}; int err = 0; char *p = NULL; int errorCnt = 0;// wait_reg: memset(imei, 0, sizeof(imei)); err = SendATCMDWaitResp(TEL_AT_CMD_ATP_10, "AT+CGSNrn", 2, NULL, 1, NULL, imei, sizeof(imei)); if(strlen(imei) >= 15 ) { snprintf(buffer, 16, imei); return; } }

5 tuya_get_imei

獲取當前設備的iccid值，用于上報信息中的參數。

void tuya_get_iccid(char *buffer) { char iccid[36] = {0}; int err = 0; char *p = NULL; int errorCnt = 0;// wait_reg: memset(iccid, 0, sizeof(iccid)); err = SendATCMDWaitResp(TEL_AT_CMD_ATP_10, "AT+ICCIDrn", 2, "+ICCID", 1, NULL, iccid, sizeof(iccid)); if(strstr(iccid, "+ICCID") != NULL ) { p = strchr(iccid,':'); snprintf(buffer, 21, p + 2); return; } }

6 tuya_send_task

主任務，上電后，代碼會一直在while中循環上報csq，用戶可以根據自己的業務來修改代碼，實現自己的業務邏輯

static void tuya_send_task(void *ptr) { int csq = 0; char imei[16] = {0}; char iccid[21] = {0}; char dp_muti_buf[128] = {0}; char dp_buf[16] = {0}; //"{"103":"866663060145165","104":"898604A41921C0467222"}" tuya_get_imei(imei); tuya_get_iccid(iccid); snprintf(dp_muti_buf, 128, "{"103":"%s","104":"%s"}", imei, iccid); tuya_send_multiple_value_data(dp_muti_buf); while(1) { csq = tuya_get_csq(); snprintf(dp_buf, 16, "{"102":%d}", csq); tuya_send_csq_data(dp_buf); printf("send csq:%d", csq); tuya_sleep(3); } }

4 Demo實戰

4.1 創建一個Demo

復制20.4_trans_xtu示例工程，到同一個文件夾下，修改文件名為5.8.3-mqtt_tls_tuya_connect_kit，如圖：

4.2 修改makefile

增加mbedTLS，這里不適用tuya-connect-kit中的mbedTLS，使用sdk本身的版本，增加tuya-connect-kit頭文件和源文件路徑，如圖：

4.3 增加頭文件

使用代碼編輯器，將新建的工程文件加入代碼編輯器中，打開main.c，修改main.c，加入am.h等頭文件，如圖：

main.c

4.4 修改代碼

本例對switch_demo_non_qrcode進行了適當的修改，具體查看代碼。

4.5 編譯

在SDK根目錄打開命令行，輸入命令.build.bat -l .amaziot_bloom_os_sdksamplelibraries5.8.3-mqtt_tls_tuya_connect_kit

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-IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xpcacdialinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xsoftutilcsw_memoryinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhoputilitiesinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhopcommpminc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xsoftutilnvminc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xsoftutilEEhandlerinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xsoftutilEEhandlersrc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhopRTCinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhoptelephonyci_clientinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhalBT_deviceinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhalUARTinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhopmrdinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhopdmainc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xsoftutilsoftutilinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhalSPIinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xpcacwebsocketinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xpcacatnet_srvinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xsoftutilfotacomminc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xaud_swAudioinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xaud_swACM_COMMinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xaud_swaudio_stubsrc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhopaaminc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xaud_swAudioHALinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xhaldbgshellinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFincludeasr160xpcacopencpuinc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1asros -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1 -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1inc -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1include -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1includembedtls -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1incmbedtls -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFCSDK_CODEmbedTLSmbedTLS_3_2_1testsincludetest -DSDK_ENABLE_MBEDTLS -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFamaziot_bloom_os_sdkutils -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitexamplesswitch_demo_non_qrcode -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitinclude -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitutils -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitinterface -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitmiddleware -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitlibrariescoreJSONsourceinclude -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitlibrariescoreMQTTsourceinclude -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitlibrariescoreHTTPsourceinclude -IF:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/platforms/tuya/tuya-connect-kitlibrariescoreHTTPsourcedependency3rdpartyhttp_parser -o buildobj/ext_at_cmds.o F:/3.asr-b/cat.1-asr1606/1.software/BLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/sample/libraries/5.8.3-mqtt_tls_tuya_connect_kit/atcmds/src/ext_at_cmds.c armlink.exe buildobj/core_http_client.o buildobj/http_parser.o buildobj/core_json.o buildobj/core_mqtt.o buildobj/core_mqtt_serializer.o buildobj/core_mqtt_state.o buildobj/cJSON.o buildobj/aes_inf.o buildobj/backoff_algorithm.o buildobj/crc32.o buildobj/uni_md5.o buildobj/MultiTimer.o buildobj/network_wrapper.o buildobj/storage_wrapper.o buildobj/system_wrapper.o buildobj/mqtt_client_wrapper.o buildobj/http_client_wrapper.o buildobj/atop_base.o buildobj/atop_service.o buildobj/file_download.o buildobj/iotdns.o buildobj/matop_service.o buildobj/mqtt_bind.o buildobj/mqtt_service.o buildobj/tuya_endpoint.o buildobj/tuya_iot.o buildobj/tuya_ota.o buildobj/switch_demo_non_qrcode.o buildobj/main.o buildobj/ext_at_cmds.o buildobj/ext_at_controller.o buildCSDK_CODE.lib -o F:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFoutbinArbel_PMD2NONE_40M.axf --via F:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFprebuilt_1606lArbel_PMD2NONE_targ_objliblist.txt --elf --scatter F:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFprebuilt_1606lCrane_DS_4M_Ram_2M_Flash_XIP_CIPSRAM_Common_SingleSIM.sct --predefine="-DLTEONLY_THIN_SINGLE_SIM" --predefine="-DASR160X_OPENCPU_FEATURE" --map --symbols --info sizes,totals --list F:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFoutbinArbel_PMD2NONE_40M.map --keep init.o(Header) --keep init.o(Vectors) --diag_suppress 6312,6314,6319,6329 --feedback F:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFoutfeedbackLinkOptLteonlyThin_SingleSim_NoSMS.txt F:3.asr-bcat.1-asr16061.softwareBLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRFtoolsbuildimage_1606l.bat SDK_PROD_TYPE : [DM] SDK_CUST_SKU : [THIN_SINGLE_SIM_NO_SMS] SDK_PS_MODE : [LTEONLY] SDK_CHIP_VER : [Z2A0] SDK_OS_TYPE : [TX] Platform Convertion Tools v4.01 with PS option extension Convertion done! |INPUT |outbincp_1606L.bin |MARK |NAME |EXEADDR .LOADADDR.LENGTH .CPZLADDR|COMPRESS STASTIC | |--------|--------|--------.--------.--------.--------|------------------------------| |This Is LteOnly 4M| |RW_CPZ_1|DDR_RW_ |7e119000.800a1244.0000cff8.800a2000|0000cff8->00003000 |This Is LteOnly 4M| |RW_CPZ_2|PS_NCAH |7e388000.800ae23c.00001300.800a5000|00001300->00001000 |This Is LteOnly 4M| |RW_CPZ_3|ITCM |7e3dac00.800af53c.0000f51c.800a6000|0000f51c->0000a000 |This Is LteOnly 4M| |RW_CPZ_4|CODE_PS |7e1aa000.800bea58.00030d68.800b0000|00030d68->0001e000 |This Is LteOnly 4M| |RW_CPZ_5|CODEPSB |7e1dc000.800ef7c0.000339bc.800ce000|000339bc->0001b000 |This Is LteOnly 4M| |RW_CPZ_6|CODEPSC |7e213000.8012317c.000323ec.800e9000|000323ec->0001b000 |This Is LteOnly 4M| |RW_CPZ_7|CODEPSD |7e249000.80155568.00028d88.80104000|00028d88->0001a000 |This Is LteOnly 4M| |RW_CPZ_8|CODEPSE |7e277000.8017e2f0.0002e310.8011e000|0002e310->0001a000 |This Is LteOnly 4M| |RW_CPZ_9|CODEPSF |7e2a9000.801ac600.0001c948.80138000|0001c948->00011000 |This Is LteOnly 4M| |RW_CPZ_A|CODE_PL |7e2ca000.801c8f48.0002fd70.80149000|0002fd70->0001e000 |This Is LteOnly 4M| |RW_CPZ_B|CODEPLB |7e2fa000.801f8cb8.0003905c.80167000|0003905c->00021000 |This Is LteOnly 4M| |RW_CPZ_C|CODEPLC |7e337000.80231d14.000268d4.80188000|000268d4->00011000 |--------|--------|--------.--------.--------.--------|------------------------------| | | 0x002415e8 -> 0x00182000| | | 2.255(MB) -> 1.508(MB)| |------------------------------------------------------------------------------------| cp_1606L.axf cp_1606L.bin cp_1606L.map gnumake: Leaving directory `F:/3.asr-b/cat.1-asr1606/1.software/BLOOM_OS_1606_OPENCPU_1191_A09_WIHT_NEWRF/amaziot_bloom_os_sdk/sample/libraries/5.8.3-mqtt_tls_tuya_connect_kit' "copy NEZHAC_CP_CNR_MIFI_TX.bin to ./ " 已復制 1 個文件。

4.6 生成固件

參考入門中開發工具，生成工具。

4.7 掃描二維碼，添加設備

app添加設備后，設備上電，demo運行后，會上報一次iccid、imei，之后循環上報設備csq值

5 總結

根據實驗現象，按照本文所述流程，可以實現紅豆平臺連接涂鴉 IoT 平臺。

本文章源自奇跡物聯開源的物聯網應用知識庫Cellular IoT Wiki，更多技術干貨歡迎關注收藏Wiki：Cellular IoT Wiki 知識庫（https://rckrv97mzx.feishu.cn/wiki/wikcnBvAC9WOkEYG5CLqGwm6PHf）

歡迎同學們走進AmazIOT知識庫的世界！

這里是為物聯網人構建的技術應用百科，以便幫助你更快更簡單的開發物聯網產品。

Cellular IoT Wiki初心：

在我們長期投身于蜂窩物聯網 ODM/OEM 解決方案的實踐過程中，一直被物聯網技術碎片化與產業資源碎片化的問題所困擾。從產品定義、芯片選型，到軟硬件研發和測試，物聯網技術的碎片化以及產業資源的碎片化，始終對團隊的產品開發交付質量和效率形成制約。為了減少因物聯網碎片化而帶來的重復開發工作，我們著手對物聯網開發中高頻應用的技術知識進行沉淀管理，并基于 Bloom OS 搭建了不同平臺的 RTOS 應用生態。后來我們發現，很多物聯網產品開發團隊都面臨著相似的困擾，于是，我們決定向全體物聯網行業開發者開放奇跡物聯內部沉淀的應用技術知識庫 Wiki，期望能為更多物聯網產品開發者減輕一些重復造輪子的負擔。

Cellular IoT Wiki沉淀的技術內容方向如下：

奇跡物聯的業務服務范圍：基于自研的NB-IoT、Cat1、Cat4等物聯網模組，為客戶物聯網ODM/OEM解決方案服務。我們的研發技術中心在石家莊，PCBA生產基地分布在深圳、石家莊、北京三個工廠，滿足不同區域&不同量產規模&不同產品開發階段的生產制造任務。跟傳統PCBA工廠最大的區別是我們只服務物聯網行業客戶。

連接我們，和10000+物聯網開發者一起降低技術和成本門檻

讓蜂窩物聯網應用更簡單~~

哈哈你終于滑到最重要的模塊了，

千萬不！要！劃！走！忍住沖動！~

歡迎加入飛書“開源技術交流群”，隨時找到我們哦~

點擊鏈接如何加入奇跡物聯技術話題群（https://rckrv97mzx.feishu.cn/docx/Xskpd1cFQo7hu9x5EuicbsjTnTf）可以獲取加入技術話題群攻略

Hey 物聯網從業者，

你是否有了解過奇跡物聯的官方公眾號“eSIM物聯工場”呢？

這里是奇跡物聯的物聯網應用技術開源wiki主陣地，歡迎關注公眾號，不迷路～

及時獲得最新物聯網應用技術沉淀發布

（如有侵權，聯系刪除）

審核編輯 黃宇