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STD battmon
License: Public Domain
Mode: Editors' pick
This is a battery monitor that uses a resistive shunt, ESP8266, ADS1115, and those LM2596 buck coverters you see on ebay. It's a wifi (http) enabled system that tracks battery usage and reports current in/out, voltage, amps drawn, etc.
Arduino IDE source code attached.
BOM -
1210 - RES 4.7K x 1
1210 - RES 562K x 1
1210 - CAP 1uF 50V x 2
TO-220 - 7805ACT x 1
WEMOS D1 MINI x 1
ADS1115 x 1
LM2596 EBAY SPECIAL x 1
you need a shunt (200A/75mV ideal)
ID | Name | Designator | Footprint | Quantity |
---|---|---|---|---|
1 | HDR-F-2.54_1x6 | H1 | HDR-F-2.54_1X6 | 1 |
2 | HDR-F-2.54_1x2 | H3,H4 | HDR-F-2.54_1X2 | 2 |
3 | WEMOS | U1 | WEMOS MINI D1 1MM HOLES | 1 |
4 | 0.1u | C1,C2 | C1210 | 2 |
5 | 200R | R3 | R1210 | 1 |
6 | MC7805ACTG | U3 | TO-220-3_L10.0-W4.5-P2.54-T | 1 |
7 | LED-TH-3mm_G | LED1 | LED-TH_BD3.0_GREEN | 1 |
8 | HDR-M-2.54_1x1 | J1,J2,J3,J4,J5,J6 | HDR-M-2.54_1X1 | 6 |
9 | ADS1115 | U2 | ADS1115 | 1 |
10 | 4.7K | R1 | R1210 | 1 |
11 | 556K | R2 | R1210 | 1 |
12 | 5pin_5mm_pin_header | U4 | 5PIN_5MM_HEADERZZ | 1 |
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