You can always wire up an ESP32 with an optical sensor that tracks the blinking of the LED. The meter should state how much energy is represented by a blink. Example project
Yep, I’ve got one of those going already! I’m currently working on improving the power consumption so I can run it off a LiFePO4 without recharging every week.
You can always wire up an ESP32 with an optical sensor that tracks the blinking of the LED. The meter should state how much energy is represented by a blink.
Example project
Yep, I’ve got one of those going already! I’m currently working on improving the power consumption so I can run it off a LiFePO4 without recharging every week.