Where I use Forth to develop a better understanding of the ATmega328P PWM capabilities. Revised from original post on April 17, 2021

Sources#

• Flashforth Example on Github

Introduction#

Pulse Width Modulation (PWM) is a technique used to control analog …

Where I describe how to use Forth with an Arduino Uno and make it easier to program the Uno in Forth.

Introduction#

The Arduino Uno benefits from an incredible software framework. Between the programs already developed by the Arduino organization, and the …

Where I demonstrate your first embedded application, much like the C Language “Hello, World” program, blink.

A simple program, Blink#

To begin to understand how to program in Forth, I’ll iterate over several versions of blink.

Light the …

UPDATED: Where I describe how to use FlashForth, a phenomenal version of Forth for the ATmega328P to learn how to use Forth in an embedded system.

Notes for Video#

This video demonstrates the ease of loading FlashForth on to an Arduino Uno, and …

Where I use examples from “The C Programming Language”, Kernighan & Ritchie, to demonstrate string copies, using pointers and how to check for buffer overflows.

Introduction#

I find it very helpful to periodically review/read “The C …

Where I demonstrate how to reload Optiboot on an ATmega328P (Arduino Uno) and reload the Catarina bootloader on to an ItsyBitsy 32U4 board as well.

Introduction#

Sometimes a board’s bootloader can become corrupted or you have consciously overwritten …

Notes and entries on using the Arduino ecosystem across the Uno, 32U4 and RP2040.

Entries#

1. Arduino: Reloading Bootloaders on the Uno and the 32U4
2. Using Arduino on the RP2040: Notes
3. Using Arduino on the RP2040: I2C
4. PinTest

Where I expand on creating a web server application on a Pi Pico W by incorporating web sockets.

Repository#

• MicroPython Webserver on Pico W

Introduction#

In the first part of this entry, I introduced the ability to develop an HTTP-based web server using …

Where I discuss various serial monitor applications and why I believe CoolTerm is the best one.

Introduction#

The serial port is an invaluable, if not mandatory tool, for developing programs in embedded computing. Given the popularity of software …

Where I demonstrate an enhanced on-board shell for RP2040 (Pi Pico and Pi Pico W) using MicroPython, upysh2.py.

Introduction#

While Thonny can be a bit cumbersome if you already know Python, it does have advantages in being able to provide fundamental file …