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STD OpenTherm adapter with WeMos D1 mini
Project Status:
Ongoing
License: MIT
- 10
Description
OpenTherm adapter based on http://ihormelnyk.com/opentherm_adapter
This project contains real BOM for LCSC.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity | BOM_Manufacturer Part |
|---|---|---|---|---|---|
| 1 | 330 | R1,R4 | 0805 | 2 | PTFR0805B330RN9 |
| 2 | 220 | R2 | 0805 | 1 | PTFR0805B220RN9 |
| 3 | 100 | R3 | 0805 | 1 | PTFR0805B100RN9 |
| 4 | 1.5k | R5 | 0805 | 1 | PTFR0805B1K50N9 |
| 5 | PC817 | U1,U2 | SMD-4(6.5X4.58) | 2 | PC817X3NIP1B |
| 6 | 1N4148 | D1,D2,D3,D4 | SOD-323F | 4 | 1N4148WS |
| 7 | 4V7 | ZD1 | SOD-323F | 1 | MM3Z4V7T1G |
| 8 | 15V | ZD2 | SOD-323F | 1 | UDZVTE-1715B |
| 9 | 4V3 | ZD3 | SOD-323F | 1 | UDZVTE-174.3B |
| 10 | OT | OT | HDR-2X1/2.54 | 1 | 826629-2 |
| 11 | Wemos D1 Mini | U3 | WEMOS_D1_MINI_V2.3.0 | 1 | wemos |
| 12 | BC858A | Q1 | SOT-23(SOT-23-3) | 1 | BC858A |
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