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BLE-based Crowd Indicator for Small Stores
Smaller shops may not be able to hire extra employees to enforce or monitor social distancing. This solution by Ian Mercer tracks every Bluetooth Low Energy (BLE) device nearby to figure out when the store is busy. – Hackster
PyPortal Home Office Busy Display
Diana Perkins (@diana_perkins) built a display using a PyPortal to show when someone in their home offices is busy. It’s controlled using a “rails app running on a machine on our local network so we can trigger it even if we already sat down for a meeting” – Twitter
Mesh WiFi Music-Reactive Light System
GlowFly is a WiFi connected, programmable and music reactive light system. When multiple nodes are combined, it is possible to span a mesh of WiFi connected devices which are synchronously reacting to music. – HackaDay
Electronic Security Lock using AWS Serverless
A small security lock you can text, powered by Amazon AWS Serverless. – Amazon
Vision Alert System with Azure IoT Edge and Jetson Nano
Build a vision system using a NVIDIA Jetson Nano with a webcam and the Azure Custom Vision service. This project sends an email alert to your inbox if an image has been identified. – henkboelman
Aquarium Automation with nRF52840
Aquarium automation system using a Feather nRF52840 and four extra FeatherWings. There’s an automatic fish-feeder and Raspbery Pi based fishpi monitors for temperature and lights. Scripts used in this project are open-source and on GitHub –Twitter
This Blog is Now Running on Solar Power
Lou Wrentius’ blog is now running on one solar panel and an old car battery. There’s a solar panel on his balcony “which is connected to a solar charge controller”. Clicking through to their blog, you can see a sidebar which shows the solar panel’s status. This widget runs on the same solar-powered Raspberry Pi which hosts the blog. If the weather is favorable, “the solar panel provides way more power than is required to keep the battery charged and run the Raspberry Pi”. –louwrentius
Dawn and Dusk Porch Lights
WiFi-enabled Wemo switch to turn off a porch-light at dawn and dusk. This switch includes an intelligent scheduler which obtains the location-specific sunset and sunrise times from the internet. – HackaDay
Wirelessly monitor G-Force from high-contact sports
Monitoring G-Force with a device attached to an ice-hockey helmet. Data is logged from the device to Adafruit IO. –Maker.io
Solar Powered Weather Station
Mark Komus built a solar-powered weather station that reports its recorded data to Adafruit IO, our easy-to-use IoT platform for everyone. A BME280 sensor monitors temperature, pressure and humidity. Sparkfun’s weather gauges are mounted at the top of the metal pole. – Adafruit
IoT News and More!
Use intent parsers to program your first voice AI
Programming a voice assistant for open-source home automation projects using the Mycroft voice assistant API. – OpenSource
New “Works with Google” program is Similar to Apple HomeKit
StaceyOnIoT points out that the new “Works with Google” program for smart-home devices is similar to Apple HomeKit, both services rope users into an vendor-specific ecosystem. – staceyoniot
Alexa Connect Kit (ACK) Chipset Released
Amazon detailed a new Espressif-powered chipset which enables “WiFi, Bluetooth LE and all the software needed for Alexa control”. – Amazon
Adafruit IO Update: New Trigger Functionality
The Adafruit IO team has released some changes to Adafruit IO, our easy-to-use-internet of things platform. First is an update to Scheduled Triggers. Scheduled triggers now have a much more robust option to scheduling. If you’re familiar with cron scheduling, you’ll be familiar with this new system. You can schedule based on a number of new time and date options.
We’ve also added the ability for reactive triggers to email a value based on the feed that is being acted on, or now you can also update the value of any of your feeds from that trigger. For example, if the ‘humidity’ in your house is > 50%, you could update another, ‘dehumidifier’ feed to set the value to “ON”.
Finally, we’ve made further system changes that should improve the performance of Adafruit IO for all users.
Adafruit IO Stats
Adafruit IO has 338,708 total users! Here are the interesting stats from the last 30 days:
- Total Feeds: 529,571 (and counting!).
- There are over 17,000 feeds online as of time of writing (July 30 2020).
- There are an average of 4,000+ MQTT connections active 24/7.
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