Blynk, PlatformIO and ESP32

Blynk is an IoT-platform that consists of a Blynk server, custom projects within an iOS/Android mobile app and custom hardware IoT-nodes (Arduinos etc) using a Blynk library. The mobile app communicates with the hardware via the Blynk server and you can use the mobile interface for displaying sensor data from the hardware nodes or control... Continue Reading →

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Using CH340 devices with OSX

I have several low-cost development boards that use the CH340/CH341 usb-to-serial chip for usb communication. Unfortunately, with OSX Sierra, the official CH340 driver cause a Kernel Panic (freeze + reboot) of the Mac when a device is connected. The reason is that the drivers are not signed correctly. I've found an alternative driver ($8) that... Continue Reading →

Owntracks, Mosquitto and Home Assistant

OwnTracks is an open-source device tracker app for iOS and Android that lets you publish location data from your mobile phone. On the mobile app you can locate other connected devices on a map and get help navigating to the devices/friends/family members. With OwnTracks integrated in Home Assistant, you can create automation rules based on... Continue Reading →

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