squix78 on 
The ESP32 platform offers a wide range of functionality almost out of the box. For instance you can turn a ESP32 with little effort into a Bluetooth Audio speaker. In this article I describing how I tapped into the digital data stream coming from a …
squix78 on The ESP32 is a remarkable chip. It has many peripherals, lots of processing power. With built-in WiFi und BLE support it offers two widely adopted communication protocols. And with the right circuitry and programming it can ran from batteries for a very long time. In …
squix78 on For a long time I had a 8×8 RGB WS2812 led module in my gadget box. The WS2812 led is a wonderful component for makers. It is easy to program and comes in many forms for a really low price. With just 3 lines (5V, …
squix78 on Recently I was asked: “What do you need a development board for?” For me the answer is very clear. I love short development cycles. It’s much faster to verify an idea on a bread board before you sit down and design a PCB. Designing a …
squix78 on For a long while now I was always looking for a development board that would help me to create battery-driven IoT projects. Since I couldn’t find it we decided to design one and sell it with ThingPulse. It only consumes between 25-35uA and accepts a …
squix78 on This post shows how to use a I2S microphone with the ESP32 to show graphical representation of the recroded frequencies
squix78 on The M5 stack has some clever hardware in its portfolio. Honestly, so far I only had contact with this camera module. Here is a super quick guide to get the camera running in your Arduino IDE