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Experimental interfaces to an AB photoelectric incremental encoder

Code

/*     Arduino Rotary Encoder Tutorial
 *      
 *  by Dejan Nedelkovski, www.HowToMechatronics.com
 *  
 */
 
 #define outputA 6
 #define outputB 7

https://www.seeedstudio.com/blog/2019/03/04/driving-a-28byj-48-stepper-motor-with-a-uln2003-driver-board-and-arduino/

#include <Stepper.h>
#define STEPS 2038 // the number of steps in one revolution of your motor (28BYJ-48)

Stepper stepper(STEPS, 8, 10, 9, 11);
	
void setup() {

Pitfalls along the way to learning Scala Programming

day #1: Choosing a reference source (learning scala (ls), jason schwartz), setting up the environment (mac osx, jdk 14.0.1)
[p] End of Chapter Exercises
day #2: ls-ch1: hello world, projects in intellij (LEARN TO USE AN IDE FOR A CHANGE). sbt tool.
[p] End of Chapter Exercises
day #3: ls-ch2: basic types and operations etc.
End of Chapter Exercises
day #4: ls-ch3: Expressions and Conditionals

Snippettes along the way to mastering OOP with Python

Progress

Book: Python3 Objected Oriented Programming 3rd Ed.

[] ch.3 - when objects are alike (p79 of 456)

In the programming world, duplicate code is considered evil. We should not have multiple

Readings and Notes from the book "Neural Networks a Systematic Introduction" by Raul Rochas

Extracts, Questions and thoughts.
Some supplementary extracts from other sources

ch1

A single biological neuron is more complex than any single Human Built computer currently in existence

A Journal of Tiny Python 3 Lessons and Notes

#0003 really simple command line arguments management

#!/usr/bin/env python3
#Purpose: Say hello

Interfacing the CCS811 to the ATTINY85 using I2C

	- After terraform destroy, we attempt to run terraform plan again but get the following errors:

	```
	3 error(s) occurred:

	* module.firewall_outbound_region2.azurerm_firewall_application_rule_collection.outbound[1]: 1 error(s) occurred:

	* azurerm_firewall_application_rule_collection.outbound.1 Error creating/updating Application Rule Collection "rule-lolcorp-dev-mydept-02" in Firewall
	"afw-lolcorp-hub-region2-out" (Resource Group: "rsg-lolcorp-hub-region2-networkfrontend"): network.AzureFirewallsClient#CreateorUpdate: Failure sending request:
	StatusCode=400 -- Original Error: Code="InvalidRequestFormat" Message="Cannot parse the request." Details = [{"code","DuplicateResourceName"},"message",

	; Connect switch header to PORTB (RB)
	; Uses RETLW instruction to return a value from subroutine which
	; sets buzzer frequency. Which value is returned depends on number in index.
	; Buzzer starts when switch 0 is pressed and
	; stops when switch 0 is released.

	Title "buzzer using RETLW"

	#include "p16F1789.inc"