简介:
E73-2G4M04S1D是亿佰特研发的一款小体积、低功耗的蓝牙无线模块。模块自带高性能PCB板载天线和IPEX天线座。E77-2G4M04S采用NORDIC公司原装进口nRF51822射频芯片，支持蓝牙4.2协议，芯片自带高性能ARM CORTEX M0内核，并拥有UART、I2C、SPI、ADC、WDT、RTC等丰富的外设资源。模块引出了nRF51822所有的IO口，方便用户进行多方位的开发。
芯片方案:nRF51822
载波频率:2.379~2.496GHz
支持协议:BLE 4.2
通信距离:100m
性能参数:
2021-10-22 21:29:51
18.32MB
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非常棒的实战教材，我认真学习过，适合零基础 提供源码
2021-09-28 18:02:07
21.34MB
官方资料：[英文]白皮书：Upgrading to Oracle Database 12c (12.1.0.2)升级到ORACLE12c (12.1.0.2)
Comparing Upgrade and Migration；Database Upgrade；Database Migration.；Multitenant Architecture；Selecting a Database Upgrade or Migration Method；Direct Upgrade to Oracle Database 12c；Upgrade and Migration Methods；Detailed Upgrade and Migration Method Descriptions；Method 1: DBUA or Command-Line Upgrades.；Method 2: Full Transportable Export/lmport or Transportable Tablespaces；Method 3: Oracle Data Pump Export/lmport；Method 4: Original Export/lmport；Minimal Downtime Database Upgrades；Rolling Upgrade with Oracle Data Guard；RMAN Cross-Platform Incremental Backups.；Oracle GoldenGate；
2021-09-15 09:54:56
41.2MB
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