March 2020 Archives

FlatCAM pratical tutorial Clean non copper area

CNC / Electronic / FlatCAM complete tutorial / FlatCAM: PCB Prototyping CAD/CAM / No category / PCB / Software / Tutorial

25 March 2020

FlatCAM practical tutorial: clean non copper area – Part 3

FlatCAM is a program for preparing CNC jobs for making PCBs on a CNC router. Among other things, it can take a Gerber file generated by your favorite PCB CAD program and create G-Code for Isolation routing.
Here we are going to remove copper islands.

PCF8574 i2c Digital IO Expander Rotary Encoder

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Arduino / Digital I/O expander / esp32 / esp8266 / i2c / Library / pcf8574 / Rotary encoder

13 March 2020

PCF8574 i2c digital I/O expander: Arduino, esp8266 and esp32, rotary encoder – Part 2

Library to use i2c pcf8574 IC with arduino, esp8266 and esp32.

This IC can control (until 8) digital devices like button or led with 2 only pins.

Here I explain the manage of multiple rotary encoder.

FlatCAM pratical tutorial: copper traces geometry - Part 2

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CNC / Electronic / FlatCAM complete tutorial / FlatCAM: PCB Prototyping CAD/CAM / PCB / Software / Tutorial

7 March 2020

FlatCAM practical tutorial: copper traces geometry – Part 2

FlatCAM is a program for preparing CNC jobs for making PCBs on a CNC router. Among other things, it can take a Gerber file generated by your favorite PCB CAD program, and create G-Code for Isolation routing.
Here tha isolation of traces.