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STD DC power meter
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2019-11-25 23:02:40
Creation time：
2019-11-21 19:27:34
Description
A power meter board with ESP8266 and an OLED display.
This is intended to have a DC005 jack passthrough and meter the voltage and current passing through it. It can be powered externally or from the metered source.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | CON_HEADER_1X04 | UART1 | M1X4 | 1 |
| 2 | CON_HEADER_1X03-PTH | J1 | M1X3 | 1 |
| 3 | ESP-12F(ESP8266MOD) | ESP-12F | ESP-12F | 1 |
| 4 | 0.02 | RS | 0805 | 1 |
| 5 | 100nF | C1,C2,C9 | 0805 | 3 |
| 6 | WJ128V-5.0-2P | DC3,DC0 | WJ128V-2P-5.0 | 2 |
| 7 | 4.7uH | L1 | 1210 | 1 |
| 8 | SS14 | D1 | SMA_L4.3-W2.6-LS5.2-FD | 1 |
| 9 | 120K | R7 | 0805 | 1 |
| 10 | 10uF | C4,C5,C6,C7,C8 | 0805 | 5 |
| 11 | 10 | R9,R10 | 0805 | 2 |
| 12 | TS-1187A-C-C-B | SW1,SW2,SW3,SW4 | SW-SMD_4P-L5.1-W5.1-P3.70-LS6.4 | 4 |
| 13 | 300K | R6 | 0805 | 1 |
| 14 | INA219AIDCNR | INA219 | SOT-23-8_8PIN_L3.05-W3.00-PITCH0.65-TL | 1 |
| 15 | DC005 | DC1 | DC005 | 1 |
| 16 | 4.7uF | C3 | 0805 | 1 |
| 17 | MP2451DT-LF-Z | DCDC | SOT-23-6 | 1 |
| 18 | 10K | R1,R2,R3,R4,R5 | 0805 | 5 |
| 19 | XH-2A | PBAT | XH-2A | 1 |
| 20 | OLED | S1 | OLED | 1 |
| 21 | WJ25C-B-2P | DC2,DC4 | WJ25C-B-7.62-2P | 2 |
| 22 | 36K | R8 | 0805 | 1 |
| 23 | K3-2235D-F1 | SW5 | K3-2235D-F1 | 1 |
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