We are trying to implement a wireless Arduino-based system that switches on the fridge when the battery voltage is high enough.
We have [long-run antennas](https://www.amazon.com/gp/buy/thankyou/handlers/display.html?ie=UTF8&asins=B06WLH4ZG6&isRefresh=1&orderId=113-1514855-6645050&purchaseId=106-6720613-8120221&ref_=chk_typ_browserRefresh&viewId=ThankYouCart) for wireless communication ([NRF24L01 Tutorial](https://howtomechatronics.com/tutorials/arduino/arduino-wireless-communication-nrf24l01-tutorial/)).