Practical Electronics Magazine Sep-22 Edición anterior

Practical Electronics Sept 22

Projects and Circuits:
Touchscreen and Remote Digital Preamp with Tone Controls - Part 1;
The preamp has the best of both worlds: the benefits of digital control, together with the low noise and distortion of an analogue design.

Micromite to Smartphone Connector via Bluetooth
This project demonstrates how to use a Micromite as the heart of an IoT (Internet of Things) device by connecting a Micromite to your Android smartphone.

20A DC Motor Speed Controller;
This small but powerful speed controller has a 20A rating and is packed with features. It suits a wide range of applications and is simple to build and use.

USB-PD Triggers, Decoys and Testers;
Following on from the article last month on USB_PD charging models, we'll now examine some of the many low-cost PD trigger/decoy and tester modules.
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Series, Features and Columns:

Make it with Micromite;
Park 39: Using infrared to synchronise time

Circuit Surgery;
Part 1: Electronically controlled resistance

Max's Cool Beans;
Part 31: Flashing LEDs and drooling engineers

Audio Out:
Part 2: Transformers in audio