Had a idea, couldn’t you use a arduino nano to made a converter for it so it works like a PC keyboard and put the key codes or its key map on the arduino nano so when you press “P” on the Mailboard “P” is on the screen…is pressed and so on .?
https://www.engineersgarage.com/embedded/arduino/how-to-interface-ps2-keyboard-arduino

From: David Given
Sent: ‎Monday‎, ‎19‎ ‎August‎ ‎2019 ‎16‎:‎38  
To: Discussion of the Amstrad E3 emailer hardware/software

Huh, it is actually PS/2. I didn't know that.

https://github.com/octronic-uk/amstrad-mailboard


On Mon, 19 Aug 2019 at 17:26, Nick Griffin <span1922@live.com> wrote:
Hi Long time no speak… 😊 Anyone know the pinout ,I want to connect it to a PS/2 connector, The PS/2 connector has 6 pins when the Mailboard has 4 pins…?

Anyone..?
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