Wellys Dev

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. To search the site, try “searchterm site:wellys.com”, in your favorite search engine. For example: “FlashForth site:wellys.com.” Videos at youtube.com/@wellysdev

Courses

Developing in C on the AVR ATmega328P: Learning How to Develop C Code on the AVR family of processors
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.
Mecrisp-Stellaris Forth on RP2040 or FlashForth on the ATmega328: Developing in Forth using the RP2040 (Raspberry Pi Pico) or the ATmega328P (Arduino Uno).

Writings Topics Most recent

2022-12-29
Setup a Raspberry Pi as a Apache/PHP/SQLite Server The beginning of a short course on setting up a webserver on a Raspberry Pi.
2022-11-14
Developing in C for the ATmega328P: Make, Makefile and env.make Where I discuss a simplified approach to development automation using make in AVR_C.
2022-11-01
Developing in C for the ATmega328P: I/O Ports Where I describe how to improve the performance of your programs by accessing the input/output (I/O) ports on the Arduino Uno, natively.
2022-10-29
Analyzing Circuits Using the Espotek Labrador: Measuring Servo Control Where I demonstrate different methods of measuring a servo pulse to ensure it meets requirements.
2022-10-17
Hardware Debug: Command and Configuration Reference for Bloom and gdb Reference page for Bloom configuration and commonly used avr-gdb commands.
2022-10-10
Developing in C for the ATmega328P: Servos Where I describe how to use the servos() interface in AVR C.
2022-10-02
Developing in C for the ATmega328P: Pointers Where I describe how to develop use pointers in AVR_C.
2022-09-27
Developing in C for the ATmega328P: Code vs. Cost Where I demonstrate the value of coding efficiency to reduce the cost of hardware.
2022-09-26
Developing in C for the ATmega328P: struct Where I demonstrate how to use the C Language data type struct and how to use it to simplify a program.
2022-09-24
Developing in C for the ATmega328P: Example Code Where I list all of the examples found in the examples folder for easy reference.
2022-09-24
Developing in C for the ATmega328: Using PROGMEM Where I discuss how to use PROGMEM (storing values in Flash memory) for storage.
2022-09-24
Developing in C for the ATmega328: Marking Time and Measuring Time Where I discuss marking time and measuring program execution time.
2022-09-22
Developing in C for the ATmega328P: Function - tone() Where I describe the function - tone() as well as noTone() and how to play music on the Uno.
2022-09-22
Developing in C for the ATmega328P: Multi-tasking the Arduino - Part 1 Where I develop the C version of multi-tasking, similar to the example provided by Adafruit.
2022-09-20
Developing in C for the ATmega328P: User Functions Where I describe how to develop user functions in AVR_C.
2022-09-18
Developing in C for the ATmega328P: Using Data Types and Math Where I describe the impact of data types on math on an AVR microcontroller (ATmega328P) and pitfalls to avoid.
2022-09-15
Developing in C for the ATmega328P: Mapping Values Where I describe how to map values in one domain to another domain.
2022-09-13
Developing in C for the ATmega328P: Notes Where I comment on the differences between developing code using Standard C vs using the Arduino Framework.
2022-09-13
Developing in C for the ATmega328P: Hints This page provides a broad level of short hints and comments as to C programming and AVR programming.
2022-09-12
Developing in C for the ATmega328P: Function - analogRead() Where I describe the function - analogRead().