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STD RC2014 DS1302 RTC Shrink 7 Bit
Mode: Editors' pick
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Update time：
2020-05-17 02:15:51
Creation time：
2020-05-12 15:55:09
Description
A shrunk down variant of Ed Brindley's RC2014 DS1302 board. This is compatible with the original kit components except for the use of a 1225 battery holder (p/n BS-1225-PC) and a 7 switch DIP.
This is an experimental respin of the shrunk RTC design, with an adjustment to use only two memory addresses.
Attributions:
Ed Brindley: https://github.com/electrified/rc2014-ds1302-rtc
Sergey: http://www.malinov.com/Home/sergeys-projects/zeta-sbc-v2
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | RC2014 BUS | P1 | RC2014BUS-1X39-AMR | 1 |
| 2 | 10K | RN1 | SIP8 | 1 |
| 3 | 0.1uF | C1,C2,C3,C4,C5 | C_DISC_D3.0MM_W2.0MM_P2.50MM | 5 |
| 4 | DS1302 | U4 | DIP-8 | 1 |
| 5 | Crystal | Y1 | CRYSTAL_ROUND_D2.0MM_VERTICAL | 1 |
| 6 | Battery_Cell | BT1 | BATTERY HOLDER BS-1225-PC | 1 |
| 7 | 74HCT688 | U1 | DIP-20 | 1 |
| 8 | 74HCT174 | U3 | DIP-16 | 1 |
| 9 | SW_DIP_x07 | SW1 | DIP_7-300 | 1 |
| 10 | 74HCT125 | U2 | DIP-14 | 1 |
| 11 | 74HCT32 | U5 | DIP-14 | 1 |
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