PS/2 to Joy shematics

[soviet9922]

Hi looked in the code and documentation but can't find a schematic on how to connect the db9 joystick ports to the ps/2 mouse port.

Where i can find it ?

[Gods69]

Hi, you must use ESPjoy interface from Antonio Villena. https://antoniovillena.com/product/espjoy/ . It simulate keyboard keys press. You also need the green USB to PS/2 adapter.

[Piligrim-77]

Hi. I join the question, is there an ESPjoy interface diagram somewhere? I don't have the opportunity to buy (I'm in another country), but I could assemble it myself on a breadboard.

[Gods69]

https://github.com/dacarsoft/DB9_2_Keyboard/tree/DB9_2_Keyboard_ESPectrum You can use a generic ATmega 32U4 boards like Arduino Pro Micro or Arduino Leonardo. Program it with Arduino IDE using "Arduino Leonardo" as board target. And see on the .ino source code the GPIO pins to connect to the DB9 socket.

[Piligrim-77]

https://github.com/dacarsoft/DB9_2_Keyboard/tree/DB9_2_Keyboard_ESPectrum You can use a generic ATmega 32U4 boards like Arduino Pro Micro or Arduino Leonardo. Program it with Arduino IDE using "Arduino Leonardo" as board target. And see on the .ino source code the GPIO pins to connect to the DB9 socket.

Ok, thank you.

[Gods69]

Also You must have to use a AVR programmer because you have to program the ATmega chip by this ISP pins.

[soviet9922]

From the ino file this are the pins:

Bluepill ATmega 32U4 board pinout: Arduino 2 -> DB9 pin 1: Up Arduino 3 -> DB9 pin 2: Down Arduino 4 -> DB9 pin 3: Left Arduino 5 -> DB9 pin 4: Right Arduino + -> DB9 pin 5: VCC 5V Arduino 6 -> DB9 pin 6: A / Primary fire Arduino 7 -> DB9 pin 7: Selection signal (allows more buttons) Arduino - -> DB9 pin 8: GND Arduino 8 -> DB9 pin 9: SELECT / Secondary fire

But how you connect the bluepill to the vga32 ps/2 port what pins are used ?

[Gods69]

On the ATmega32U4 compatible card you use the USB socket (micro-usb ?) with a standard USB cable. On the another end you use a little green USB<->PS/2 adapter https://share.temu.com/5SZx1jz1ZpA to the PS/2 ttgo vga32 socket. You must find +5V somewhere to power the 32U4 board.

[soviet9922]

On the ATmega32U4 compatible card you use the USB socket (micro-usb ?) with a standard USB cable. On the another end you use a little green USB<->PS/2 adapter https://share.temu.com/5SZx1jz1ZpA to the PS/2 ttgo vga32 socket. You must find +5V somewhere to power the 32U4 board.

Got it, going to build this thanks !.

[Gods69]

OK. Good luck. Don't forget to swap (uncomment) the define lines on the source code : #define AVILLENA_BOARD //#define BLUEPILL_BOARD

[Gods69]

ISP pinouts to program the chip. (you can use a Arduino UNO as AVR programmer)

[Gods69]

I also have this issue. I think when i have changed to the right board type on the menu the error disappear.Sorry. I'm in Portugal, i can't help until my return.Le 1 mai 2024 20:33, soviet9922 @.***> a écrit : Having some issues compiling the C:\Users\soviet\Documents\Arduino\DB9_2_Keyboard\DB9_2_Keyboard.ino:86:2: error: 'KEY_UP_ARROW' was not declared in this scope {KEY_UP_ARROW, KEY_DOWN_ARROW, KEY_LEFT_ARROW, KEY_RIGHT_ARROW, KEY_RETURN, KEY_RIGHT_ALT, KEY_ESC, KEY_F12, 'z', 'y', 'x', 'm'},

—Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you commented.Message ID: @.***>

[EremusOne]

Thanks all for taking your time for finding and posting this information.

When I have the time, I wish to start a wiki and put together this info and info about many other things.

Regards! ;)

[Gods69]

Program it with Arduino IDE using "Arduino Leonardo" as board target. Somes warnings but compile or use the .HEX file: DB9_2_Keyboard_ESPectrum.zip

[Gods69]

ESPjoy interface from Antonio Villena:

[soviet9922]

Here again, finally got the pro micro arduino and from the source code this is the pinout: Bluepill ATmega 32U4 board pinout: Arduino 2 -> DB9 pin 1: Up Arduino 3 -> DB9 pin 2: Down Arduino 4 -> DB9 pin 3: Left Arduino 5 -> DB9 pin 4: Right Arduino + -> DB9 pin 5: VCC 5V Arduino 6 -> DB9 pin 6: A / Primary fire Arduino 7 -> DB9 pin 7: Selection signal (allows more buttons) Arduino - -> DB9 pin 8: GND Arduino 8 -> DB9 pin 9: SELECT / Secondary fire

But there's nothing about the second controller, how can i connect it ?.

[Gods69]

For the second joystick DB9 is:

Bluepill ATmega 32U4 board pinout: Arduino 10 -> DB9 pin 1: Up Arduino 16 -> DB9 pin 2: Down Arduino 14 -> DB9 pin 3: Left Arduino 15 -> DB9 pin 4: Right Arduino + -> DB9 pin 5: VCC 5V Arduino 18 -> DB9 pin 6: A / Primary fire Arduino 19 -> DB9 pin 7: Selection signal (allows more buttons) Arduino - -> DB9 pin 8: GND Arduino 20 -> DB9 pin 9: SELECT / Secondary fire

[EremusOne]

Hi!

Hash6iron, one of our users, has created a fork of ESPjoy firmware with all the info for building your own adapter. He called it "PowaJoy" :)

Here's the url: https://github.com/hash6iron/DB9_2_Keyboard_ESPectrum

Regards ;)

[soviet9922]

It's me again xD Asking things, now programed the arduino pro micro from the IDE and it works when i connect it to my pc using USB the joysticks ports work great and get the keys output when moving them.

The issue is that using the usb ps/2 converter can't get it to do anything, the lights turn on the arduino. When i move the joystick but there's no output on screen.

Tested this in the vga32 but also nothing using ps/2 already enabled the second keyboard from the menu. Tried several cables and adapters but seems not to be the issue.

Is like the arduino only works on USB mode.

Thanks !.

[Gods69]

The arduino with its Atmega_328p only simulates a PS/2 keyboard. It does not have a USB mode, for that you have to use the ATmega32u4. The small green USB<-->PS/2 converters do not have any electronics inside. The computer or keyboard must be able to work in PS/2 mode.