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esp32-solar-battery

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@sicrisembay

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KiCad projectAll 12 files, ready to open in KiCad76 KB
For fabricationGerbers, drill, pick-and-place and BOMGerbers and drill zip200 KBGerbers and drill zip: CN3791_LithiumBattery_MPPT_Solar9V15 KBGerbers and drill zip: Power_Meter51 KBPick and place (CSV)4.1 KBPick and place (CSV): CN3791_LithiumBattery_MPPT_Solar9V35 BPick and place (CSV): Power_Meter1.3 KBPCB BOM CSV (PCB SVG)2.9 KBPCB BOM CSV (PCB SVG: Power_Meter)1021 B
3D modelThe board with its parts, for an enclosure (GLB)3D model (GLB)7.7 MB3D model (GLB): CN3791_LithiumBattery_MPPT_Solar9V3.1 KB3D model (GLB): Power_Meter1.6 MB
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README

POWER MEASUREMENT

This is a power measurement test using three INA219 devices. Measured power is just printed to the console.

INA219 Device1 : Measures the power to the ESP32 and any attached modules (including the three INA219 devices).

INA219 Device2 : Measures the power to/from the single cell LiFePo4 battery.

INA219 Device3 : Measures the power from the Solar panel.

Build

  1. Define "FIRMWARE_PATH" to <Location of ESP32-Solar-Battery>/software/firmware $ export FIRMWARE_PATH=~/ESP32-Solar-Battery/software/firmware

  2. Run menuconfig and configure INA219 sensors. $ make -j8 menuconfig

  3. Build `$ make -j8

Note

  1. You may need to install ESP-IDF tools $FIRMWARE_PATH/components/esp-idf/install.sh
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