Curing a Parrot’s Amnesia with BLEAH

[Dandu] recently wrote in to tell us how he managed to revive his Parrot Flower Power after the manufacturer told him it couldn’t be repaired. To save you the trouble of opening Google in another tab, the Parrot Flower Power is a Bluetooth Low Energy (BLE) “smart” device for your flower pot. Because of course that’s a thing.

When [Dandu] noticed his Flower Power was no longer being detected by his iOS devices, he contacted support who told him that sadly this was a hardware failure and that he should just throw it away. But he had his doubts about …read more

Paul Jacob Evans


Reverse Engineering A BLE Service To Control A Light Bulb

So, you buy an Internet of Things light bulb, it’s a fun toy that allows you to bathe your environment in pretty colours at the touch of an app, but eventually you want more. You start to wonder how you might do more with it, and begin to investigate its inner workings. Then to your horror you discover that far from having bought a device with a convenient API for you to use, it has an impenetrable closed protocol that defies easy access.

This was the problem facing [Ayan Pahwa] when he bought a Syska Smartlight Rainbow LED bulb, and …read more

Paul Jacob Evans

ESP32 Mini Robot Packs Sensors and 4WD

[Stefan]’s Mini WiFi/BLE 4WD robot platform (seen next to a matchbox above) packs an impressive capability into a tiny rover. It’s based on a SparkFun ESP32 Thing, a very compact way to add wireless control to your project. Compare it to some giant old UNO with a WiFi shield, these boards are small but powerful, as well as an easy adoption for Arduino fans.

[Stefan] beefed up the robot with a BNO055 module to determine orientation, an APDS-9930 proximity sensor, as well as four CNY70 IR proximity sensors on the bottom, used for line-following. A pair of 6 V motors …read more

Paul Jacob Evans