The Proton Development Suite Lite Edition is a free, non-expiring version of the commercial Proton PICBASIC compiler designed by Crownhill Associates. It is specifically built for programming Microchip PIC microcontrollers using the BASIC programming language, aiming to make embedded systems development accessible to beginners and hobbyists without forcing them to learn complex assembly language or C.
The suite is often subtitled or bundled with learning materials like “PIC Programming Made Easy” because it simplifies hardware commands into readable, straightforward English syntax. Core Features
Integrated Development Environment (IDE): A visual workspace where you can write, edit, compile, and debug code smoothly inside Windows.
Hardware-Oriented BASIC Commands: Built-in high-level routines for complex tasks like managing LCD displays, parsing serial communication, taking analog-to-digital (ADC) readings, and generating PWM signals.
Simulator Integration: Often bundled with or configured to interface with simulation tools (like Proteus ISIS) so you can test code on a virtual circuit board before building physical hardware. Strict “Lite Edition” Limitations
While the Lite Edition is fully functional and never expires, it has strict restrictions intended for small hobby projects, evaluations, or student coursework:
50-Line Code Limit: The compiler will only process up to 50 lines of executable code. Fortunately, blank lines, standalone labels, and comment lines do not count toward this limit.
Restricted Device Support: It only compiles code for a tiny handful of classic 8-bit Microchip processors, typically the PIC12C508, PIC12F675, PIC16F628A, and PIC16F877. Typical Code Example
Rather than writing multiple registers to toggle a pin (as required in Assembly or C), the Proton BASIC syntax lets you perform complex hardware tasks in just a few lines:
Device = 16F877 ‘ Specify the target PIC chip Declare XTAL = 4 ’ Set the external clock speed to 4MHz Main: High PORTB.0 ‘ Turn on an LED connected to pin B0 DelayMS 500 ’ Wait for half a second Low PORTB.0 ‘ Turn off the LED DelayMS 500 ’ Wait for half a second GoTo Main ‘ Repeat the loop indefinitely Use code with caution. Current Status Note
Over time, the classic Proton compiler ecosystem evolved. In the broader microcontroller hobbyist community, development and support for these tools transitioned into the Positron BASIC Community.
Are you looking to download the Lite version for a specific project, or would you like help writing a BASIC script that fits within its 50-line limit? Let me know how you would like to proceed! Crownhill PICBASIC Proton Development Suite 3.1 – Lite