OT-Thing
Phunkafizer
A compact universal OpenTherm WiFi Interface
Components (42)
| Reference | Value | Description |
|---|---|---|
| IC1 | TPS61041 | Synchronous Boost Regulator, Adjustable Output up to 28V, 250 mA Switch Current Limit, SOT-23-5 |
| Q1,Q4-Q7,Q11 | BC857C | 0.1A Ic, 30V Vce, PNP Transistor, SOT-23 |
| Q2,Q8-Q10,Q12,Q13 | BC847C | 0.1A Ic, 45V Vce, NPN Transistor, SOT-23 |
| U1 | ESP32-C3-WROOM-02 | ESP32-C3-WROOM-02 is a general-purpose Wi-Fi and Bluetooth LE module. This module features a rich set of peripherals and high performance, which makes it an ideal choice for smart home, industrial automation, health care, consumer electronics, etc. |
| U5 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U6 | AMS1117-3.3 | |
| C1,C3 | 470pF | |
| C2,C4,C5,L1 | 10µ | Inductor |
| C6 | 100µ | |
| C7,C9 | 4µ7 | |
| C8 | 22pF | |
| C10 | 470µ | |
| D1 | ZMM4V3 | |
| D2 | ZMM15 | |
| D3,D17 | PTVS3V3S1UR,115 | Zener diode |
| D4-D8,D18 | LL4148 | 100V 0.15A standard switching diode, MiniMELF |
| D9 | MBR0540 | |
| D10 | RD | Light emitting diode |
| D11,D13 | GN | Light emitting diode |
| D12,D14 | YL | Light emitting diode |
| D15 | PESD24VL1BA | Bidirectional transient-voltage-suppression diode |
| D16 | PTVS24VS1UR | Zener diode |
| J3 | USB_C_Receptacle_USB2.0 | USB 2.0-only 14P Type-C Receptacle connector |
| K1 | G6K-2F-Y-5V | Miniature 2-pole relay, Single-side Stable |
| R1,R4,R29-R31,R36,R38-R40 | 4k7 | |
| R2,R6,R10,R11,R24 | 120 | |
| R3 | 18k | |
| R5 | 470 | |
| R7,R22,R33 | 330 | |
| R8,R9 | 5k1 | |
| R12,R14,R23 | 3k3 | |
| R13,R21,R27 | 33k | |
| R15,R25,R26,R28 | 12k | |
| R16 | 220k | |
| R17 | 6k8 | |
| R18 | 22k | |
| R19 | 39 | |
| R20 | 100 | |
| R32 | 1k | |
| R37 | 10k | |
| SW1 | RST/CONFIG | |
| SW2 | BOOT |