ICYMI – Adafruit IoT Monthly: Forest Fire Beacons, IoT for Beginners, and more! #IoT #newsletter

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IoT Projects

eON e-ink Air Quality Sensor

Unlike air quality sensor projects we’ve previously included in this publication, this is a modular air quality sensor. Due to the chip shortage and supply chain woes, the eON air quality sensor can be built using a variety of sensors and radios. – HackADay

MicroPython Vegetable Garden Automation Tutorial

Rototron highlights a project which adds solar-powered sensors and home automation to a vegetable garden and transmits the data using MQTT for review and control on a mobile app. – Adafruit Blog

Traffic Mitigation with a Machine Learning Speed Trap

Tired of reckless driving in his neighborhood, Rob Lauer built a speed trap to measure the frequency of speeding cars. Data aggregated from this project was submitted to the city for their traffic mitigation planning efforts. – Hackster.io

HomeKit Connected Fence Door Monitoring System

A DIY solar-powered fence door monitoring device. The door’s state is monitored with Apple HomeKit. – movingelectrons


Ikea released this super-inexpensive air quality sensor. The only downsides are that the VINDRIKTNING lacks internet connectivity and it does not seem to be available in the United States yet. Hypfer connected an ESP8266 to the VINDRIKTNING’s PCB pads and has firmware on a GitHub repository which allows it to connect with any MQTT broker – GitHub

Early Forest Fire Detection System

Wesley Eccles created this IoT fire detection system. Instead of heavy infrastructure drones deliver IoT beacons for a mesh system. – Adafruit Blog

IoT News and More!

Microsoft Launches Free “IoT for Beginners” Course

A free, open-source, 12 weeks/24 lesson IoT curriculum designed for beginners by the Azure IoT team. – GitHub

Light Gestures by Timi Oyedeji

Light Gestures is a technical prototype for a method of using natural gestures (making a “shhh!” motion at your smart speaker) for smart home appliances. – Adafruit Blog

Echo Devices – Reset, but not wiped?

Northeastern University researchers spent 16 months performing forensic analysis on 86 used Amazon Echo devices. The end result – researchers were able to extract a rough idea of the device’s previous geolocation and a list of previously connected WiFi networks. – Adafruit Blog

Newark reached out to its global customer base with an IoT survey between September 2020 and December 2020. They got 2,095 completed questionnaires, primarily from engineers of IoT solutions, in 60 countries. They have compiled the results into their 2021 Global IoT Trends Report. – Adafruit Blog

The Strings of Cellular IoT

Brandon Satrom writes about the “invisible strings of cellular IoT” – the invisible difficulties which exist when building a cellular IoT solution. – Cellular IoT

Adafruit IO News

Get a beta invite to Adafruit.io WipperSnapper

Wippersnapper is a new no-code IoT interface for Adafruit.IO – it lets you turn any WiFi-capable board into an IoT device without any programming. Simply select what devices are connected to which pins on the hardware and it will auto-configure the firmware and even create an IO feed for visualization.

How can I get an invite to the Adafruit.io WipperSnapper Beta?

First – You’ll need a compatible board to use with WipperSnapper. WipperSnapper currently supports the following hardware: Metro ESP32S2, FunHouse ESP32-S2, MagTag ESP32S2, PyPortal, Metro SAMD51+AirLift.

Then – Navigate to the official Adafruit Discord Server and post in #help-with-adafruit-io that you’d like a WipperSnapper beta invite. We’ll message you over Discord with further instructions!

Adafruit.io, the IoT Platform for Everyone

Sign up for our IoT Platform, Adafruit IO (for free!) by clicking this link. We don’t have investors and we’re not going to sell your data. When you sign up for Adafruit IO+, you’re supporting the same Adafruit Industries whose hardware and software you already know and love! You help make sure we’re not going anywhere by letting us know we’re on the right track.

Adafruit publishes a wide range of writing and video content, including interviews and reporting on the maker market and the wider technology world. Our standards page is intended as a guide to best practices that Adafruit uses, as well as an outline of the ethical standards Adafruit aspires to. While Adafruit is not an independent journalistic institution, Adafruit strives to be a fair, informative, and positive voice within the community – check it out here: adafruit.com/editorialstandards

Join Adafruit on Mastodon

Adafruit is on Mastodon, join in! adafruit.com/mastodon

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Join over 36,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

CircuitPython – The easiest way to program microcontrollers – CircuitPython.org

Maker Business — “Packaging” chips in the US

Wearables — Enclosures help fight body humidity in costumes

Electronics — Transformers: More than meets the eye!

Python for Microcontrollers — Python on Microcontrollers Newsletter: Silicon Labs introduces CircuitPython support, and more! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi

Adafruit IoT Monthly — Guardian Robot, Weather-wise Umbrella Stand, and more!

Microsoft MakeCode — MakeCode Thank You!

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — #NewProds 7/19/23 Feat. Adafruit Matrix Portal S3 CircuitPython Powered Internet Display!

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