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Description
My first PCB design.
Includes placeholders for NodeMCU board, DS3231 RTC module, and RS485 serial converter module (based on MAX485 chip).
The program supposed to send serial strings over RS485 bus to a home control system, based on pre-set times.
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schematic diagram
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SecondTest PCB
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Anoyher (3) pcb layout test
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another routing version (4)
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Max485-LC | U3 | MAX485- LC | 1 |
| 2 | NodeMCU V3 LoLin | U2 | CH340_NODEMCU_V3_LOLIN_COPY | 1 |
| 3 | DC-005C-25A | DC1 | DC-005C-A | 1 |
| 4 | Clock DS3231 | M1 | CLOCK MODULE ZS-042 DS3231 | 1 |
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