Amicus is a multifunction development system inspired by the popular  Arduino board, however, the Amicus board uses a Microchip PIC® microcontroller instead of an Atmel AVRtm type. 
 Comprehensive documentation and a helpful and friendly support   environment, make using 
Amicus18 an easy and enjoyable experience for   beginners and seasoned programmers.
Forum Moderator Mackrakit (Dave) very kindly ported the Proton BASIC  Compiler code over to PBP3 and modified the original AMicus18 docuemts  for PBP3 users.
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Re: serial LCD 1602 Backpack using PIC16F690 for Hitach HD44780
one last update:
jackberg1 - 1st November 2025, 17:11added an PGM Sw on RA3
to edit the baud rate:
turn off the LCD display, press & hold the PGM sw, turn on the LCD
line 1 will show "Press to Select" , line 2 : "Baud Rate:"...