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STD Pets thermostat 1 channel (STM32)
License: Public Domain
Mode: Editors' pick
- 3
Update time：
2020-05-02 17:30:08
Creation time：
2020-02-03 18:55:10
Description
Main features:
- using dew point in power managment (dew preventioin);
- temperature control;
- humidity monitoring;
- 12 hours graphic history
Design Drawing
schematic diagram
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1
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PCB
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editor.
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | SHT21 | S1 | DFN-6-EP | 1 |
| 2 | AT24C256M/TR | U6 | SOP-8_L4.9-W3.9-P1.27-LS6.0-BL | 1 |
| 3 | 12pF | C1,C2 | 0603 | 2 |
| 4 | BC847 | Q1,Q2 | SOT-23(SOT-23-3) | 2 |
| 5 | 4.7K | R4,R5,R8,R3 | 0805 | 4 |
| 6 | 1K | R26 | 0805 | 1 |
| 7 | 22uF | C9,C10 | 0805 | 2 |
| 8 | 2.7K | R12,R2 | 0805 | 2 |
| 9 | AMS1117-3.3 | U2 | SOT-223 | 1 |
| 10 | debuger_pins | P2 | HDR-5X2/2.54 | 1 |
| 11 | 17-21SURC/S530-A3/TR8 | LED2 | LED-0805 | 1 |
| 12 | 270 | R21 | 0805 | 1 |
| 13 | HLK-PM01 - AC-DC-converter | U8 | HLK-PM01 | 1 |
| 14 | 39 | R25 | AXIAL-0.8 | 1 |
| 15 | MOC3061 | U4 | DIP-6 | 1 |
| 16 | ILI9341 | U3 | ILI9341-2.8 | 1 |
| 17 | load | U7,U9 | SOLDER_PAD_3X4_W_HOLE | 2 |
| 18 | ac | U11,U10 | SOLDER_PAD_3X4_W_HOLE | 2 |
| 19 | 100nF | C4,C5,C6,C13,C12,C11,C8 | 0805 | 7 |
| 20 | 10nF | C3 | CAP-CBB-10.0*4.8 | 1 |
| 21 | 8MHZ | X1 | OSC-S49M | 1 |
| 22 | T1635-600G | Q3 | TO-263-2 | 1 |
| 23 | BK250-400-SI | U5 | FUSES_WIDE_8MM | 1 |
| 24 | 10K | R6,R1,R7 | 0805 | 3 |
| 25 | 1K | R18 | 2512 | 1 |
| 26 | NEST SENSOR | CN2 | XH-4A | 1 |
| 27 | STM32F103C8T6.3 | U1 | QFP-48_LSA9.20-LSB9.20-PITCH0.50-TL | 1 |
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