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Raspberry Pi 外国高精度 时钟模块 DS3231
Link to the original- 100 — 1999 шт 5000$ per piece.
- 2000 — 50119 шт 4000$ per piece.
- 50120+ шт 3000$ per piece.
Available 0 pcs.
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Delivery from China to Ukraine, Uzbekistan, European and African countries
Payable upon arrival at the warehouse in China
Returns are only possible while the item is in our warehouse in China. Once the goods have been dispatched from China, they cannot be returned
Photo and product description
资料下载 https://pan.baidu.com/s/1c8Nb90
http://yunpan.taobao.com/s/1RWRebrXd8
一．概述：
Raspberry Pi 外国高精度 时钟模块 DS3231
注意Arduino主板也能用这个模块。
模块自身能适应3.3V和5V的系统，无需电平转换，这点是方便的！
二．特性：
1.-40°C至+85°C温度范围内，计时精度保持在±5ppm(±0.432秒/天)
2.为连续计时提供电池备份
3.低功耗
4.器件封装和功能与DS3231兼容
5.完整的时钟日历功能包括秒、分、时、星期、日期、月和年计时，并提供有效期到2100 年的闰年补偿
6.两个日历闹钟
7.1Hz和32.768kHz输出
8.复位输出和按钮去抖输入
9.高速(400kHz)I2C串行总线
10.+2.3V至+5.5V电源电压
11.精度为±3°C的数字温度传感器
12.-40°C至+85°C工作温度范围
13.16引脚SO(300mil)封装