WLED Digital Clock: Firmware Mods

Preface While surfing on Thingiverse I found a lot of interesting 7 Segment style Digital Clock projects based on Neopixel strips. All of them was extremely detailed on the hardware side but a little bit poor on the firmware side. Someone added support for an I2C RTC module, someone else was connecting to the web … Read more

[GUIDE] Fysetc S6 v1.2 + Octoprint – Fixing USB power problem

Preface I’m used to leave my Pi permanently powered and connected to the board and then I (smart) switch on the power supply only when I’ve to print something.Since I received this board, I immediatly noticed that was not present a simple jumper in order to select which 5V should be used for the logic: … Read more

STM32 HAL 101 – UART – Receiving arbitrary length string

Despite the fact that UART communication is the simplest and mostly used one, there are some problems or limitations that we can face when coming from other more complex communication protocols like, for example, USB. The first problem that we can find is the lack of having an efficient way to receive an arbitrary amount … Read more

FYSETC S6: 3D Printer Board Description and PWM Bug Fix

Recently I’ve received this new and promising board for 3D Printers: the Fysetc S6. Hardware description: Based on a powerfull STM32F446 microcontroller, I think that is one of the best board that you can find on market.It has 512KB of flash, so it’s possible to take benefits from all the advanced features of Marlin firmware. … Read more

Simple Optoisolator Board Assembly – Step-By-Step Guide

What do you need? Breadboard or proto board Generic Optoisolator, I’ve used an 4N35 A Led A resistor Some wires Shrink tubes Soldering Iron and solder Tweezers and pliers Once you’ve all the needed parts you have to assembly the board and connect everything together. Here you’ve the scheme of the connection that I’ve made: … Read more

Auto Bed Leveling Sensor Guide – Installation, Setup & Test on Creality CR-10S running Marlin firmware

Looking on the web I wasn’t able to find any detailed guide that well explain what I have to do to mount an ABL Sensor on my printer so I’ve decided to write my own guide.If you want to understand what you’re doing on your printer and why, this is the guide for you. For … Read more