check out this RJ45 diagram!!! ooooooh fun! trust the internet kids, nothing could possibly go wrong.
mirobo technology
@mirobo.tech
Retired (mostly) high school computer technology teacher creating and sharing simple and fun microcontroller projects and resources for education! Focusing on electronics, robotics, Arduino, RaspberryPiPico, MicroPython, and beginner programming.
I was watching John Teel's video '7 Sensors You Should Never Use in a Product' and saw my BEAPER Pico robot!! 😂 It can mount both a sensor you shouldn't use – but is still great for beginners – as well as one of the better replacement sensors: ❌ - HC-SR04P ✅ - VL53L4CD youtu.be/Q3H7Y4BrML0
7 Sensors You Should NEVER Use in a Product
YouTube video by Predictable Designs with John Teel
youtu.be
Probably more helpful to think of them not so much as “Canadian wildfires” but rather “climate change wildfires currently consuming Canada”
Good morning,Ontario, the sky looks like armageddon and the air smells like a campfire where you were burning something you really shouldn’t. Be careful out there. 😷
It's freebie Friday!! Wanna build a robot? 🤖 😃 I've shared a bunch of 3D-printable parts to make it easy! Find them on @makerworld.bsky.social here: makerworld.com/en/@Chief_hu...
mirobo technology@mirobo.tech · last mo.It's freebie Friday!! Wanna build a robot? 🤖 😀 Last week I shared the free Tinkered learning activities. This week I'm sharing the actual ARPS-2 circuit! It's available from @pcbwayofficial.bsky.social here: www.pcbway.com/project/shar... Kits are also available at: mirobo.tech/arps
It's freebie Friday!! Wanna build a robot? 🤖 😀 Last week I shared the free Tinkered learning activities. This week I'm sharing the actual ARPS-2 circuit! It's available from @pcbwayofficial.bsky.social here: www.pcbway.com/project/shar... Kits are also available at: mirobo.tech/arps
ARPS-2 – Arduino-Compatible Robot Project Shield for Arduino UNO - Share Project - PCBWay
Meet ARPS-2ARPS-2 is version two of my Arduino-compatible Robot Project Shield for Arduino UNO. ARPS-2 is a refinement of the original ARPS circuit and adds two additional Servo or I/O headers while r...
pcbway.com
mirobo technology@mirobo.tech · last mo.It's freebie Friday!! Wanna build a robot? 🤖 😀 Start by learning #Arduino #programming with a set of five free activities for my ARPS2 circuit. Here's activity one: www.tinkercad.com/things/0A7EI...
It's teacher Tuesday!! Happy first Tuesday of summer vacation to all of my Ontario teacher friends – I hope you have a relaxing and restful summer break! ☀️🍹 Are you going to be teaching microcontroller programming in September? Check out my beginner curriculum: docs.google.com/document/d/1...
Microcontroller Core Curriculum
Microcontroller Core Curriculum This is a comprehensive set of learning activities designed for use in high-school level computer technology classes. The complete set of materials can be used as an in...
docs.google.com
Imagine if one of the highest-status things a politician could say was: “I don’t know yet. I’d like to hear from the relevant experts before deciding.”
It's freebie Friday!! Wanna build a robot? 🤖 😀 Start by learning #Arduino #programming with a set of five free activities for my ARPS2 circuit. Here's activity one: www.tinkercad.com/things/0A7EI...
Circuit design ARPS2 Introductory Activity 1 - Tinkercad
Circuit design ARPS2 Introductory Activity 1 created by johnrampelt with Tinkercad
tinkercad.com
Bill C-22 is a massive change from the status quo in Canada, and should be debated and fixed before moving it forward. www.eff.org/deeplinks/2...
Canada Is Forging Ahead with Its Dangerous Surveillance Bill
With no serious debate, including on proposed amendments, Canada is blazing full speed ahead with Bill C-22, which would threaten encryption and increase surveillance. Also known as the Lawful Access
eff.org
It now costs more to cause climate change than to prevent it
Mike Levin@mikelevin.org · last mo.The Trump administration just paid Invenergy $765 million to cancel four wind projects. That brings the running total to roughly $2.5 billion in taxpayer money spent to stop energy from being built. Think about that. At a time when electricity demand is rising,
It's teacher Tuesday!! Hey teachers, I'm working on some awesome new prototyping helpers that will let your students both power and connect to breadboard circuits using a single USB-C cable! More details soon... 😀 #electronics #STEMeducation
ICYMI Python on Microcontrollers Newsletter: Code Like Hemingway, CircuitPython MCP, MicroPython Editor and More! x.com/adafruit/sta...
adafruit industries (@adafruit) on X
ICYMI Python on Microcontrollers Newsletter: Code Like Hemingway, CircuitPython MCP, MicroPython Editor and More! https://t.co/xS7DFtuTXR https://t.co/7tRJSBWz8B
x.com
I realise I never posted this anywhere but Instagram. ko-fi.com/post/Lego-Bu...
Lego Build A Boy update
Natalie published a post on Ko-fi
ko-fi.com
The greatest trick the devil ever pulled is convincing us we can’t have that here on earth.
TheBossRoss 🧶@thebossross.bsky.social · 2mo ago"It's funny how everyone's idea of heaven is a complete untouched paradise, crystal clear waters, lush green forests, enough food for everyone, classless, moneyless, stateless, a utopia of peace, unity, and happiness. But here on earth it's considered a leftist ideology" #GoodMorning, everyone.
Been there, did that. And rub-on transfers, and tape, and paint, and UV exposure using sunlight (and using a proper UV exposure unit), and paper toner transfer, and milling, and permanent marker, and nail polish, and conductive ink, and … 🤣
Hackaday@hackadayofficial.bsky.social · 2mo agoPCBs Straight from the Magazine
Get the #MicroPython VL53L4CD driver here: github.com/mirobotech/B... or the #Arduino VL53L4CD driver here: github.com/mirobotech/B...
BEAPER-Nano/MicroPython/VL53L4CD at main · mirobotech/BEAPER-Nano
BEAPER Nano – Beginner Electronics and Programming Educational Robot for Arduino Nano ESP32 - mirobotech/BEAPER-Nano
github.com
mirobo technology@mirobo.tech · 2mo agoIt's freebie Friday!! I've created a tiny QWIIC (I2C) ToF (Time-of-Flight) distance sensor module for my BEAPER #robots and shared it on @pcbwayofficial.bsky.social here: www.pcbway.com/project/shar... #electronics #robotics
It's freebie Friday!! I've created a tiny QWIIC (I2C) ToF (Time-of-Flight) distance sensor module for my BEAPER #robots and shared it on @pcbwayofficial.bsky.social here: www.pcbway.com/project/shar... #electronics #robotics
QWIIC-VL53L4CD Time-of-Flight Distance Sensor Module - Share Project - PCBWay
The good old HC-SR04 SONAR module, and its newer, 3.3V HC-SR04P sibling, have long been go-to distance sensors for hobby robot circuits. The downside is that these modules are distinctively large, wit...
pcbway.com
Whoa, it's Wednesday!! I was so busy yesterday I missed my teacher Tuesday post. 😢 Never fear, I'm here for my fellow teachers! 😄 Are you starting to plan for next school year? Here's a complete beginner microcontroller curriculum you might wanna look at: docs.google.com/document/d/1...
Microcontroller Core Curriculum
Microcontroller Core Curriculum This is a comprehensive set of learning activities designed for use in high-school level computer technology classes. The complete set of materials can be used as an in...
docs.google.com
It's mirobo Monday!! I've slowly been working away on some QWIIC things (see what I did there? 😉)! I made my robots a tiny little VL53L4CD ToF distance sensor module. 🤖 And, I made a matching QWIIC adapter for other I2C devices. Find them on @PCBWay: www.pcbway.com/project/memb...
It's freebie Friday!! I've just shared my new Adapt-2-QWIIC circuit on @pcbwayofficial.bsky.social – it'll pop up after review and join my other shared circuits, here: www.pcbway.com/project/memb... Adapt-2-QWIIC is designed to make it easy to connect cheap I2C peripherals using QWIIC cables!
Below the drop-out voltage, LDOs are well behaved but the 7805 isn't! 9V batteries also have much less capacity (measured in mAh) – they're not meant to drive motors! See what's inside and look up typical mAh values here: en.wikipedia.org/wiki/Nine-vo... Then, compare them with AA cells... 🧐
Nine-volt battery - Wikipedia
en.wikipedia.org
mirobo technology@mirobo.tech · 2mo agoIt's teacher Tuesday!! If you're new to electronics and/or robotics, and making battery-powered circuits, here's a helpful tip: Use 4-AA batteries and an LDO (low drop-out regulator) such as an LF50ABV, LM2940CT-5, or L4940V5 instead of a 9V battery and a 7805. This is why 👇
It's teacher Tuesday!! If you're new to electronics and/or robotics, and making battery-powered circuits, here's a helpful tip: Use 4-AA batteries and an LDO (low drop-out regulator) such as an LF50ABV, LM2940CT-5, or L4940V5 instead of a 9V battery and a 7805. This is why 👇
#TodaysAwesomeness I'm on Summer Schedule but still doing Education. Teachers don't really "break" we just change schedules. Today I recorded 2 videos for classes in an online class; started learning @godotengine.org for game design class; wrote rough draft chapter of a book. #EduSky #SummerTime
It's mirobo Monday!! I've been working on some things... You know those Aliexpress ToF modules? I created an adapter board to make it easy to connect them to QWIIC I2C cables. But, I wanted an all-in-one solution so I also designed my own VL53L4CD ToF module with dual QWIIC connectors. 😊
I'm not sure if anyone knows yet, as I'v only been at it for 23 weeks, but I'm working on getting a robot working every week, I failed again last week to get a robot finished, but decided to keep going anyhow. I need to assemble some electronics for it. breakfast first...