What is Amicus18?
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.
The (PBP3) Companion Shield Manual iCan be downloaded from
here
The (PBP3) Hardware Manual iCan be downloaded from
here
Extension boards add functionality to the
Amicus18, these boards are known as
shields. A shield is a PCB that fits over the Amicus board and provides extra functionality, such as Ethernet, Motor control, LCD, Smartcard, GPS, GSM etc…
The entry level shield is labelled The Companion Shield. This is a PCB laid out in the pattern of a solderless breadboard. The holes are single sided, which means that components can easily be removed using solder mop braid, or a solder vacuum tool, if a mistake is made, or components need to be re-used.
The (PBP3) Companion Shield Manual iCan be downloaded from
here
The (PBP3) Hardware Manual iCan be downloaded from
here
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Re: I2C LCD 16x2 Pic16f628 Code
There a a few variants of backpack lcd's there are pcf8574 ones and pcf8574a ones. they have different i2c address' ranges.
richard - 4th January 2026, 03:48there are at least two differently wired versions also.
there...