3 produce

3. Making the PCB: CNC production

Export the gerber files

Select elements to plot

In FlatCAM:

File > Open > Open Gerber > Select the gbr files

The cnc machining process.

4. Soldering the components

I discovered the

II - The programming process/es I used

File > New Sketch Select Board > Attiny 412 Slect Programmer > SLOW

#define LED 4

void setup() {
    pinMode(LED, OUTPUT);
}

void loop() {
    digitalWrite(LED, HIGH);
    delay(100);
    digitalWrite(LED, LOW);
    delay(100);
}

Problem not solved yet.

Multimeter is always your friend. I tried to find the problem by checking the soldered components. But everything just became worse and worse.

I started to break the copper layer around the pin of my board, around the mcu pads…