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interfaces:ds3231 [2016/04/09 23:33] darron [DS3231 ZS-042] |
interfaces:ds3231 [2018/03/11 16:08] (current) darron [DS3231 for Pi] |
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| There are at least two RTC modules containing the | There are at least two RTC modules containing the | ||
| DS3231 available from China. Both can operate with | DS3231 available from China. Both can operate with | ||
| - | the Raspberry Pi and one is designed | + | the Raspberry Pi and one is designed |
| for it. | for it. | ||
| One useful feature of the DS3231 other than keeping | One useful feature of the DS3231 other than keeping | ||
| - | the time is it' | + | the time is its built-in temperature readout, however, |
| initial tests suggest that this is inaccurate. | initial tests suggest that this is inaccurate. | ||
| Line 20: | Line 20: | ||
| This device plugs directly into the GPIO header. | This device plugs directly into the GPIO header. | ||
| + | |||
| + | I bought two of these devices and one was faulty. Fixing it simply involved applying | ||
| + | pressure on each pin of the chip in turn with a hot iron, these devices may not be | ||
| + | manufactured to a high standard. | ||
| === DS3231 ZS-042 === | === DS3231 ZS-042 === | ||
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| [0010] 51 52 53 54 55 56 57 58 59 5A FF FF FF FF FF FF |QRSTUVWXYZ......| | [0010] 51 52 53 54 55 56 57 58 59 5A FF FF FF FF FF FF |QRSTUVWXYZ......| | ||
| </ | </ | ||
| + | |||
