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STD espdevbat
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License: Public Domain
Description
Version 4 PCB is the most current - ESP-12 based dev board with USB power, single cell LIPO charging, 5v boost and 3.3v LDO
Design Drawing
schematic diagram
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PCB
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espdevbat
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | ESP-12 | X1 | ESP-12 | 1 |
| 2 | 1.5KΩ | R3,R4,R5 | 0805 | 3 |
| 3 | Program | J3 | HDR1X7 | 1 |
| 4 | HDR1x8 | U4,U5 | HDR1X8 | 2 |
| 5 | vcc/5v | H1 | HDR1X3 | 1 |
| 6 | 5K | R1,R2 | 0805 | 2 |
| 7 | MCP73831T-2ATI/OT | U1 | SOT-23-5 | 1 |
| 8 | 470R | R6,R7 | R0805 | 2 |
| 9 | 22K | R8 | R0805 | 1 |
| 10 | 10uF | C2,C3 | 1206 | 2 |
| 11 | BATTERY | P12 | HDR-1X2/2.54 | 1 |
| 12 | 1117 | U6 | SOT-223 | 1 |
| 13 | 10u | C1-1 | C1206 | 1 |
| 14 | 22u tant | C7 | C1210 | 1 |
| 15 | i2c | P1 | HDR-1X2/2.54 | 1 |
| 16 | HDR1x2 | P2,ENA,OUT5 | HDR-1X2/2.54 | 3 |
| 17 | NoBoost | P3 | HDR-1X2/2.54 | 1 |
| 18 | USB-MB-H | X2 | USB-MB-H | 1 |
| 19 | 4.7uF | C4,C1 | 0805 | 2 |
| 20 | 120pF | C5 | 0805 | 1 |
| 21 | 10uH | L1 | 1210 | 1 |
| 22 | IN5819 | D1 | SMA(DO-214AC) | 1 |
| 23 | LTST-C155GEKT | R_____G | LTST-C155GEKT | 1 |
| 24 | FAN5331 | U2 | SOT-23-5 | 1 |
| 25 | 124k | R11 | 0805 | 1 |
| 26 | 40.2k | R12 | 0805 | 1 |
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