DCMC2 ESP32 DC Monitor/Controller for ESPhomeDesigned by Home Control Labs in United States of America
What is it? An ESPhome node which contains 2 INA226 voltage and current monitors, 2 Form A (SPST) sets of relay contacts, and 2 NTC thermistor inputs. Why did you make it? To monitor an off grid DC p…Read More…
An ESPhome node which contains 2 INA226 voltage and current monitors, 2 Form A (SPST) sets of relay contacts, and 2 NTC thermistor inputs.
To monitor an off grid DC power and UPS system. I needed to monitor the battery, and the AC backup power supply currents from homeassistant.
This is a complete, packaged DC voltage and current monitoring solution for ESPHome. It is completely assembled except for 2 tact switches which need to be soldered in by the user. (See below for the reason why)
* 1 ea. Main PCB. * 1 ea. ABS plastic enclosure, graphic overlay sticker and 4 retaining screws. * 1 ea. mating 12 pin screw terminal pluggable power connector. * 2 ea. 6mm Tact switches to be soldered in to EN and BOOT footprints the board. * 2 ea. 3 pin JST connector and pigtail.
* 3.3V serial adapter for flashing firmware onto the board and connecting cable. * DC power source. * Wire. * Wood screws for attaching the controller to a backboard. * Current Shunts/Sensing resistors.
Because FCC certification is too expensive to undertake for a low volume device such as this, the product is shipped as a tested kit where the EN and BOOT pushbutton switches are supplied but not soldered onto the board. In order to program the device with your customized ESPHOME firmware, the EN and BOOT switches will need to be soldered to the board so that the ESP32 can be placed in upload mode.
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