Arduino_OpenTherm_shield
anway0404
Arduino hardware shield to send and receive data from Opentherm devices
Components (34)
| Reference | Value | Description |
|---|---|---|
| Q1-Q4 | MMBT2907A | Small Signal PNP Transistor, SOT-23 |
| Q5,Q6 | MMBT2222A | 600mA Ic, 40V Vce, NPN Transistor, SOT-23 |
| U1 | TPS61040DBV | Synchronous Boost Regulator, Adjustable Output up to 28V, 400 mA Switch Current Limit, SOT-23-5 |
| U2,U3 | LTV-817S | DC Optocoupler, Vce 35V, CTR 50%, SMDIP-4 |
| C1,C4 | 10u | |
| C2 | 22p | |
| C3 | 100n | |
| D1 | 1N5819W | |
| D2-D5 | 1N4148W | |
| D6 | 4V7 | |
| D7 | 13V | |
| D8 | 4V3 | |
| D9 | PWR | Red |
| D10 | RxB | Green |
| D11 | RxT | Yellow |
| J1 | BOILER | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | THERM | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1 | 10uH | |
| R1 | 240k | |
| R2 | 13k | |
| R3 | 330 | |
| R4 | 220 | |
| R5,R8 | 100 | |
| R6 | 560 | |
| R7,R13 | 10k | |
| R9 | 33k | |
| R10 | 0R | |
| R11 | 47 | |
| R12 | 20k | |
| R14 | 1k | |
| R15 | 4k7 | |
| R16 | 1k8 | |
| R17 | 1k1 | |
| R18 | 1k5 |