ESP8266 low-cost Wi-Fi full stack TCP/IP MCU (Arduino Compatible)

ESP8266 is a tiny extremity cheap MCU with third-party library making it Arduino compatible. Features all the normal connections you would expect such as GPIO, SPI, I2C, I2C and UART to name a few, the biggest selling point is its size and build in WiFi support with full stack TCP / IP communications. Great for
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UPS modification getting rid of the annoying beeping

I connect a UPS to a generator allowing me to safely power my sensitive electronic equipment (laptops) when in remote locations, generators are not perfect and occasionally the power fluxuates causing spikes, over and under voltage issues. To resolve these issues and make it safer for my sensitive devices I use a UPS which provides
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