CC-BY 3.0
A Mini weather station based on ESP-12. Include a BME280 or BME680 sensor chip on board, one or more DS18B20 onewire sensors. It's powered by a Lithium cell, can be for short time directly charged over present voltage input. A LDO with very low Iq included. Comes with voltage measurement for the connected battery. Hardware jumper for deep-sleep and a programming connector (charge the battery if +5V connected).
| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 100nF | C7,C3,C8 | 1206 | 3 |
| 2 | BATT1 | P2 | XH-2A | 1 |
| 3 | BATT2 | P3 | XH-2A | 1 |
| 4 | 100K | R1 | 100K | 1 |
| 5 | 22K | R2 | 22K | 1 |
| 6 | 10K | R7,R9,R10,R5 | 1206 | 4 |
| 7 | BME280 | U4 | LGA-8 | 1 |
| 8 | 10uF | C1,C2 | CASE-B_3528 | 2 |
| 9 | ESP-12 | U1 | ESP-12F(ESP8266MOD) | 1 |
| 10 | HT7333-1 | LDO1 | SOT-89(SOT-89-3) | 1 |
| 11 | DS18B20+ | U2 | TO-92(TO-92-3) | 1 |
| 12 | 3k9 | R3 | 1206 | 1 |
| 13 | 1N4001 | D1 | DO-41 | 1 |
| 14 | 1N5338B\nZF5,1-3W | D2 | DO-27 | 1 |
| 15 | 3R9-2W | R4 | RESISTOR_SMD+THTUNIVERSAL_2512_RM10_HANDSOLDERING_REVA_DATE25JUN2010 | 1 |
| 16 | Power Source | P4 | 1X3 JACK | 1 |
| 17 | Deepsleep | J1 | JUMPER_3_1TO2 | 1 |
| 18 | SERIAL-4P-LINK | U5 | 4P-SERIAL | 1 |
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