Practical Electronics Magazine Oct-22 Edición anterior

Practical Electronics October 22

SMD Test Tweezer:
This clever little device can measure the values of SMD resistors and capacitors, plus show diode and LED orientations and measure their forward voltages.

Tele-com:
Do you have a classic Bakelite phone with a real bell that generates a fantastic ring sound? Now you can hear it again and speak to someone at the other end!

Touchscreen and Remote Digital Preamp with Tone Controls - Part 2;
We introduced our new Digital Preamplifier last month. Now we'll go through the construction and testing procedures.

Self-Contained 3.8GHz Digital Attenuator;
This digitally programmable RF attenuator module with a built-in microcontroller can attenuate RF signals from 1MHz to 3.8GHz by 0-31dB in 1dB steps.
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Series, Features and Columns:

Make it with Micromite;
Park 40: Simple PicoMite GPS tracker

Circuit Surgery;
Part 2: Electronically controlled resistance

Max's Cool Beans;
Part 32: Flashing LEDs and other engineering temptations

Audio Out:
Part 3: Transformers in audio

KickStart:
Part 10: Getting to grips with low-power operational amplifiers

Electronic Building Blocks:
Part 1: Selecting and Using Actuators