Elektor_Mag_-_January-February_2021

4 January & February 2021 http://www.elektormagazine.com

THIS EDITION

Regulars

3 Colophon

20 electronica Fast Forward 2020 Winners

36 From Life’s Experience
The Fine Line Between Order and Chaos

38 Starting Out in Electronics
Easier Than Imagined!

50 Developer’s Zone
Tips & Tricks, Best Practices and Other Useful Information

53 Small Circuits Revival
From the Elektor Suggestions Box

94 Ethics
The Open Hardware Observatory

107 Project 2.
Corrections, Updates and Readers’ letters

114 Hexadoku
The Original Elektorized Sudoku

Features

17 Review: Weller WE 1010 Soldering Station

32 Simulate Circuits Online

62 Practical ESP32 Multitasking (6)
Event Groups

74 Analogue Filter Design (Part 3)

Passive Filters

83 Review: JOY-iT Wireless Measurement Module

92 Error Analysis

Tips on Voltage Regular Circuits, PCB Design, and More

96 Java on the Raspberry Pi

An Interview with Frank Delporte

100 Data Analysis and Artificial Intelligence in Python

Interpreting Real Data with NumPy, pandas and scikit-learn

110 Getting to Know the Parallax Propeller 2

Part 1: An Introduction

Projects

6 DIY LiPo Supercharger Bundle

GreatScott! and Elektor’s LiPo Charger, Booster, and Protector

8 MTheCam

A Simple Mini Thermal Camera

22 I^2 S Test Signal Generator with AVR Microcontroller

32-Bit 1-kHz Digital Sine, fs 192 kHz,

Level Adjustable from 0 to -110 dB

27 Control Your Home with Raspberry Pi

RPi Snoops on 433.92 MHz

41 Homelab Tours: Homebrew CPUs

The Discrete Microcontroller

Volume 49 — Edition 1/

No. 505 — January & February 2021

22

Labs Project:

I

2

S Test Signal

Generator with AVR

Microcontroller