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Here’s a peek at the February 2024 issue…
IoT Projects
Building an occupancy sensor with a $5 ESP32 and a serverless DB
Matt didn’t think he would “design a full end-to-end software solution to collect occupancy data across a college campus” but he ended up doing just that. This project collects BLE beacons from nearby devices, as a count for occupancy, and sends it back to a time series database for analysis. – Matthew Science Blog
No-Code IKEA Vindriktning Air Quality Sensor Hack with Adafruit IO
The IKEA Vindriktning is an inexpensive air-quality monitor that’s readily available online (from Ikea’s website) or at a retail IKEA store. This guide will show you how to connect your Vindriktning to the Internet to log air quality data over time, without any programming required. – Adafruit Learning System
An ESP32-based internet radio streamer
Dimitris has taken an unused ESP32 board and fashioned an I2S streaming internet radio. – Adafruit Blog
Make a Weather Clock with the Feather Huzzah ESP8266
Instructables user Elaine Gao made this beautiful weather clock using a Feather Huzzah ESP8266 and Adafruit IO! – Instructables
IoT News and More!
Ikea debuts three affordable smart home sensors
Each sensor costs less than $10 and can be used to detect open doors, windows, motion, or water leaks. – The Verge
Breaking Free from DRM: The Story of Hacking My Air Purifier
An investigation into the Xiaomi 4 Pro’s DRM’d Air Purifier – Unethical
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
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 7:30pm ET! To join, head over to YouTube and check out the show’s live chat and our Discord!
Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: New Python Releases, an ESP32+MicroPython IDE and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey
