Hiwonder has introduced the WonderLLM, an ESP32-S3-based smart chat module that combines a 2MP camera, a 2.0-inch touch ...

There is certainly nothing wrong with appreciating vinyl the old fashioned way, by connecting a purist turntable to an amplifier, which powers a set of passive speakers. Nowadays, however, many also ...

Create a focused speaker so your music targets only the listener. That demodulates at 40 kilohertz, with an H-bridge and ...