@alex-berardi T2Laser always sends the laser power value, are you saying your machine does not respond?

I thought you tested using the manual controls and it works, the manual controls are the same G-code.

@alex-berardi It will replace S0 with M05, if your machine does not respond correctly to a 0 power value.

@franzie8912 With T2Laser if you use a single line font you get a single line output. Keep in mind most fonts, even single line actually have double lines (one path on top of the other) due to the font format (open lines are not allowed). This means it will draw over the same path twice but it's still a single line. You can also use Hershey font in Inkscape and import the DXF, then it's a true single line.

@Apehanger said in 7W Laser:

54331

That's a DC-DC converter not a MOSFET, does it have the MOSFET under the Nano?

@Apehanger If you connect D11 and GND to the laser module while the Nano is unplugged from the board - does it work?

I'm assuming the answer is yes, so the only other thing that is connected is the MOSFET gate, which should not be loading the pin (it's supposed to be a high impedence but perhaps yours is damaged).

You probably have an IR7843 or similar MOSFET, so pin 1 is the base. You can heat the solder and lift the leg off the board.

@Jonatas-Silva This forum is an excellent place for information, there are many posts similar to your request.

@Apehanger Both are PWM, that's the signal modulation. The 2 pin connector is 12VDC PWM via the MOSFET and the 3 pin is constant 12VDC and a TTL/PWM signal. It is the TTL/PWM signal (comes directly from D11 on the Nano) that should be used to control your laser module.

@Begley You must be losing steps on each scan, possibly the feed rate is higher than it can achieve?

@Jonatas-Silva You should be able to use any TTL laser module with the Eleks Mana board. I had a quick look at their specs, it is a 20W power input so optical output power is likely to be ~6W at most.

@Jonatas-Silva said in Modulo laser:

Qual a diferença de pwm para ttl? What is the difference from pwm to ttl?

TTL is a voltage definition.
PWM is a signal modulation.

They are exclusive although the Chinese seem to get them confused.

You can have a TTL/PWM or a 12VDC/PWM or a TTL/non-PWM etc etc.