{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*LM2639 pdf datasheet (Multi-ph.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"c8Ry91qkQA6igO07LZRl5w","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*LM2639 pdf datasheet (Multi-ph.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
本人用stm32 ZTE MG2639 做GPRS模块,请问大家谁有这方面代码?谢谢!!,目前方案是用中兴MG2639模块。
2019-05-28 04:37
太大影响),最终成品如图lm2596数据手册:http://pdf1.alldatasheet.com/datasheet-pdf/view/524001/TI/LM2
2016-09-22 20:16
近日我在选用LM339-N这颗比较器芯片时,对从TI官网下载的LM339-N Datasheet Revision E中Page 12的8.2节"Typical
2024-09-04 07:15
`现在我已经写了AD转换的程序,连接pH传感器可以采集出电压,但是我不知道电压怎么转换为ph值的公式?比如采集到了3177.5mv(对应6.00ph)到3000mv(对应7.00
2017-10-02 00:24
是:0001-ipc-multi-instances.patch。我可能是盲人,但我找不到这个文件,既不是在遵循应用说明的过程中克隆的其中一个存储库中,也不是作为 PDF 的附件。任何想法在哪里可以找到这些补丁?
2023-03-31 07:57
LM324供电电压不同,对同一种信号放大。放的结果一样吗?LM324.pdf (140.83 KB )lm324中文资料详解.pdf (185.81 KB )
2019-09-25 04:35
PH电极信号用仪表运放INA122放大时,INA122输入端检测不到PH电极输出的信号,INA122输出端也检测不到输出电压,这是怎么回事?PH电极输出的是直流电吧?INA122可以对直流电压放大。
2013-10-22 21:18
有做过labview与PH计通讯的吗?型号 雷磁PHSJ-3f~
2015-09-17 21:14
低功耗蓝牙模块 RN4020 Datasheet 和用户手册.RN4020 datasheet CN.pdf (760.97 KB )
2019-05-13 23:43
) amplifier and 2 ´ 13 W Single-Ended (SE) amplifiers.The device is primarily developed for multi
2015-08-16 21:59