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Std EditionOpenTherm adapter with WeMos D1 mini

License: MIT

Published Time:2020-07-29 16:59:15
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Description

OpenTherm adapter based on http://ihormelnyk.com/opentherm_adapter This project contains real BOM for LCSC.

Documents

OpenTherm adapter schematics

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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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