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STD Wemos D1 Mini IR Sender/Receiver
License: Public Domain
Mode: Editors' pick
- 2
Update time：
2021-03-07 07:33:56
Creation time：
2018-09-01 12:04:30
Description
Designed for use with the [IRremoteESP8266](https://github.com/markszabo/IRremoteESP8266) library.
Pin D6 (12) controls LED. Pin D7 (13) is connected to IR receiver.
Resistor values shouldn't be too important, so feel free to use anything close in value. 1/4 watt or 1/8 watt parts should be fine.
Feel free to substitute the transistor for another NPN type part with the same pinout (collector connects to LED, base connects to D6, emitter connects to GND).
Depending on your IR remote's carrier frequency a different receiver may be required (specified part is for 38kHz).
Design Drawing
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Wemos D1 Mini Shield | U1 | WEMOS D1 MINI SHIELD LAYOUT | 1 |
| 2 | 2N3904 | Q1 | TO-92(TO-92-3) | 1 |
| 3 | IR LED | LED1 | LED2-2.54-D5.0MM | 1 |
| 4 | TL1838 | U2 | TIP31C | 1 |
| 5 | 27R | R1 | AXIAL-0.4 | 1 |
| 6 | 47R | R2 | AXIAL-0.4 | 1 |
| 7 | 390R | R3 | AXIAL-0.4 | 1 |
| 8 | SHT30 Module | U3 | SHT30 MODULE | 1 |
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