Wellys Dev

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I write about using C, MicroPython and Forth with microcontrollers as well as practical electronics and inexpensive test equipment. Use Courses (below) to follow a specific learning path on using the Espotek Labrador or learning how to program the RP2040 or Atmega328P. Videos at youtube.com/@wellysdev

Courses

• C: Developing in standard C on the AVR ATmega328P: Learning How to Develop C Code on the AVR family of processors
• C: Developing in C on the RP2040: Learning How to Develop C Code on the RP2040
• Electronics: HW Development using the Espotek Labrador: Learning to use the Espotek Labrador to develop hardware.
• Forth: Mecrisp-Stellaris on RP2040 or FlashForth on the ATmega328: Developing in Forth using the RP2040 (Raspberry Pi Pico) or the ATmega328P (Arduino Uno).
• Python: Developing in MicroPython on the RP2040: Developing in Python using the RP2040 (Raspberry Pi Pico or Pico W).

Writings Topics Ada Arduino ARM M0 ATmega328 AVR Bloom C CircuitPython Courses Electronics ESP32 FIDI FlashForth Forth Gdb GitHub Julia Labrador Mecrisp MicroPython PHP Pico Pintest Python RP2040 Sensors Videos Web Most recent

• 2024-04-01
  FlashForth: Execution Speed Where I discuss the various methods of increasing execution speed in Forth and demonstrate the ease in doing so.
• 2024-03-22
  FlashForth: Debouncing Buttons - Where I discus debouncing buttons in Flashforth as well as indexing arrays.
• 2024-03-13
  FlashForth: Compile a New Version Where I describe in detail how to compile a new version of FlashForth.
• 2024-03-12
  FlashForth: Hardware Abstract Layer (HAL) UPDATED: This page contains a both a Forth hardware abstraction level (HAL) much like the m328def.
• 2024-03-12
  FlashForth: Datasheets Why the microcontroller datasheet is so important to programming in Forth.
• 2024-03-11
  FlashForth: Understanding the ATmega328P PWM Where I use Forth to develop a better understanding of the ATmega328P PWM capabilities.
• 2024-03-11
  Flashforth: Working with the Uno Where I describe how to use Forth with an Arduino Uno and make it easier to program the Uno in Forth.
• 2024-03-10
  FlashForth: blink Where I demonstrate your first embedded application, much like the C Language “Hello, World” program, blink.
• 2024-03-09
  FlashForth: Simple Setup 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.
• 2024-03-06
  Developing in C for the ATmega328P: Buffer Overflow Where I use examples from “The C Programming Language”, Kernighan & Ritchie, to demonstrate string copies, using pointers and how to check for buffer overflows.
• 2024-03-01
  Arduino: Reloading Bootloaders on the Uno and the 32U4 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.
• 2024-02-29
  RP2040 MicroPython: Making a Web Server with WebSockets Where I expand on creating a web server application on a Pi Pico W by incorporating web sockets.
• 2023-10-02
  Serial Applications for Embedded Development Where I discuss various serial monitor applications and why I believe CoolTerm is the best one.
• 2023-09-23
  RP2040 MicroPython: Onboard Shell Where I demonstrate an enhanced on-board shell for RP2040 (Pi Pico and Pi Pico W) using MicroPython, upysh2.
• 2023-09-21
  RP2040 MicroPython: Developing Applications Where I begin to develop applications for the RP2040 (Pi Pico and Pi Pico W) using Micropython.
• 2023-08-24
  Developing in C for the ATmega328P: Using a Serial Monitor Updated: Where I describe the different options for using a serial monitor and the serial software in AVR_C and change my recommended programs.
• 2023-08-04
  Developing in C for the ATmega328P: Using the GNU Linker to Enhance printf() Where I describe how to use the GNU Linker wrapper capability and variable arguments to enhance printf() for better debugging.
• 2023-07-31
  Developing in C for the ATmega328P: Better Serial Input Where I discuss how to improve on the serial input of C and the ATmega328P.
• 2023-07-30
  Developing in C for the ATmega328P: Make, Makefile and env.make Updated: Where I discuss a simplified approach to development automation using make in AVR_C, add the ability to use Arduino tools.
• 2023-06-01
  RP2040 MicroPython: Debugging Where I describe various methods of debugging programs using MicroPython on the RP2040 (Pi Pico and Pi Pico W).