I have a new post on Hackaday: A Deep Dive Into Using PIO And DMA On The RP2350.
Category Archives: Programming
Module Monday #8: HW-038 Water Level Sensor Module | Learning Electronics In The Lab With Jay Jay
This post is part of my video blog and you can find more information about this video.
You can support this channel on Patreon: patreon.com/JohnElliotV
Silly Job Title: Electronics Guy. I am the Electronics Guy!
Today is Module Monday.
In this video we take a look at the 1pcs Rain Water Level Sensor Module Detection Liquid Surface Depth Height For Arduino.
The code for this Arduino sketch is here: 2025-11-24-HW-038-Water-Level.ino.
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
Yutiars Round Paint Brushes notes |
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Making A Machine To Sort One Million Pounds Of LEGO
I have a new post on Hackaday: Making A Machine To Sort One Million Pounds Of LEGO.
Module Monday #5: KY-024 Digital Hall Effect Sensor Module | In The Lab With Jay Jay
This post is part of my video blog and you can find more information about this video.
You can support this channel on Patreon: patreon.com/JohnElliotV
Silly Job Title: Master Planner. I am the Master Planner!.
In this video we take a look at the KY-024 Linear Magnetic Hall Sensor Board Switch Speed Counting Hall Sensors Module For Arduino Diy KY024 Hall Sensor.
You can learn more about the Hall effect which is basically a magnetism detector.
The code for this Arduino sketch is here: 2025-11-03-KY-024-digital-hall-effect.ino.
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
Yum Cha 13pcs Blades![]() |
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HTTP Verbs
You only need GET (and its little brother HEAD) and POST. Whether operations on a resource are idempotent or not is something that you might like to change. Send all operations through POST which will apply business logic and don’t use PUT or DELETE. Simple.
Making Math Less Stressful With A Python Super-Calculator
I have a new post on Hackaday: Making Math Less Stressful With A Python Super-Calculator.
Module Monday #3: KY-031 Knock Sensor Module | Learning Electronics In The Lab With Jay Jay
This post is part of my video blog and you can find more information about this video.
You can support this channel on Patreon: patreon.com/JohnElliotV
Silly Job Title: Connector Kingpin. I am the Connector Kingpin!
In this video we take a look at the Knock Sensor Module For Arduino 3Pin KY-031 Percussion Knocking Knock Sensor Module Diy Starter Kit KY031.
The demo code is here: 2025-10-20-KY-031-Knock-Sensor.ino.
Thanks very much for watching! And please remember to hit like and subscribe! :)
Following is a product I use picked at random from my collection which may appear in my videos. Clicking through on this to find and click on the green affiliate links before purchasing from eBay or AliExpress is a great way to support the channel at no cost to you. Thanks!
14500pa Cordless Hand Held Vacuum![]() |
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Programming Space Game For X86 In Assembly Without An Operating System
I have a new post on Hackaday: Programming Space Game For X86 In Assembly Without An Operating System.
One ROM Gets A USB Stack
I have a new post on Hackaday: One ROM Gets A USB Stack.
Tips For C Programming From Nic Barker
I have a new post on Hackaday: Tips For C Programming From Nic Barker.


