Search found 3 matches
- Sat Mar 14, 2020 5:20 am
- Forum: A20T
- Topic: Fan control with A20T / GT2560 V4
- Replies: 1
- Views: 4074
Fan control with A20T / GT2560 V4
I like to know, why Geeetech didn't made it possible to control fan speeds of chassis fan and extruder fan? The GT2560 V4 has 4 fan connectors with 3 seperate pwm pins. J30 is wired to the part cooler and is adjustable. Ok so far. J31 could be wired to the printhead, but the wire at the connector fo...
- Sat Mar 14, 2020 3:57 am
- Forum: Firmware
- Topic: how to connect USBtinyISP Programmer to GT2560 V4 board
- Replies: 6
- Views: 15530
Re: how to connect USBtinyISP Programmer to GT2560 V4 board
Take a look at the backside of the mainboard. I can't believe that it's possible to flash a bootloader using the 9pin header. To me it looks like it is to connect x,y,z max endstops.
- Tue Feb 18, 2020 2:30 am
- Forum: A20T
- Topic: GT2560 V4 Connections for Installing Bootloader
- Replies: 11
- Views: 26562
Re: GT2560 V4 Connections for Installing Bootloader
I found a very easy way for me to flash a new firmware to this board using the Geeetech (Smatto) Firmware Upgrador from the Geeetech Download Area ;) 0. Power off the printer (and all other devices that use serial (COM) ports) and also close all programs that could try to connect to the printer, whe...