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ESP32 multiple phase DIY energy monitor

Introduction

For months I've been looking for a non-intrusive energy monitoring solution for my home. The residence receives more than one phase from the utility company and because of that, the available solutions in the market based on open protocols are extremely expensive. Cheap alternatives always rely on cloud services and I don't believe any of them will remain online for too long.

I can compile Marlin firmware for you

If you don't have the tools or are having difficulties to compile the firmware for your printer (any printer) I can do it for you for a small fee. Please read the description of the service below and if you are interested, follow the instructions.

Please note that I am not doing this as my main occupation, it is just a convenience service from a guy that did this hundreds of times. Anyone can download and compile Marlin by following tutorials available everywhere.

Pre-configured Marlin for SKR Mini E3 v2 on Ender 3

This is pre-configured package for the 2.x Marlin Firmware for SKR Mini v2 boards on Creality Ender 3. The configuration files were specially crafted to extract the maximum performance of the printer while maintaining the manufacturer recommended settings. The download packages include both the source code and the compiled binary files.

This firmware will not work with 8-bit boards or Creality 32-bit boards.

Features

Extra features enabled over the standard Marlin firmware configuration.

Install linux on an external drive without modifying Windows EFI partition

Live Linux USB drives are nice for testing purposes and with the new persistence modes they can also remember a few things between sessions. Unfortunately some features like the ability to update the OS or install drivers can only be accomplished with a full Linux installation.

Vanilla Marlin Firmware for Ender 3 (8-bit) + Mesh bed leveling

 

This is the 1.1.9 version of vanilla Marlin Firmware pre-configured for Creality Ender 3 printers without bed leveling sensors. The standard configuration file from Marlin distribution was carefully reviewed to include the latest Ender 3 specific settings from the official Creality firmware and incorporates additional features like Mesh Bed leveling.

Are Samsung Galaxy S phones losing features over time?

Are you missing something in the latest Galaxy S10 or S20 series phones? Despite the better displays, processors and cameras are the phones becoming more or less featured? See the comparison below, I ignored any feature that is software based (like HDR) or incremental (like improved WiFi). I also ignored larger/smaller versions of the phone.