Silicon ChipContents - March 2020 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Subscriptions: PE Subscription
  4. Publisher's Letter
  5. Feature: The Fox Report
  6. Feature: Techno Talk by Mark Nelson
  7. Feature: Net Work by Alan Winstanley
  8. Project: Diode Curve Plotter by Tim Blythman
  9. Project: Audio DSP by Design by Phil Prosser, Words Nicholas Vinen
  10. Project: Steam Train Whistle ... or Diesel Horn by JOHN CLARKE
  11. Project: Galvanic Skin Response by Jim Rowe
  12. Feature: PIC n’ Mix by Mike Hibbett
  13. Feature: Circuit Surgery by Ian Bell
  14. Feature: AUDIO OUT
  15. Feature: Make it with Micromite by Phil Boyce
  16. Feature: Visual programming with XOD by Julian Edgar
  17. Feature: Max’s Cool Beans by Max the Magnificent
  18. Feature: Electronic Building Blocks by Julian Edgar
  19. PCB Order Form
  20. Advertising Index

This is only a preview of the March 2020 issue of Practical Electronics.

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Articles in this series:
  • Techno Talk (February 2020)
  • Techno Talk (February 2020)
  • Techno Talk (March 2020)
  • Techno Talk (March 2020)
  • (April 2020)
  • (April 2020)
  • Techno Talk (May 2020)
  • Techno Talk (May 2020)
  • Techno Talk (June 2020)
  • Techno Talk (June 2020)
  • Techno Talk (July 2020)
  • Techno Talk (July 2020)
  • Techno Talk (August 2020)
  • Techno Talk (August 2020)
  • Techno Talk (September 2020)
  • Techno Talk (September 2020)
  • Techno Talk (October 2020)
  • Techno Talk (October 2020)
  • (November 2020)
  • (November 2020)
  • Techno Talk (December 2020)
  • Techno Talk (December 2020)
  • Techno Talk (January 2021)
  • Techno Talk (January 2021)
  • Techno Talk (February 2021)
  • Techno Talk (February 2021)
  • Techno Talk (March 2021)
  • Techno Talk (March 2021)
  • Techno Talk (April 2021)
  • Techno Talk (April 2021)
  • Techno Talk (May 2021)
  • Techno Talk (May 2021)
  • Techno Talk (June 2021)
  • Techno Talk (June 2021)
  • Techno Talk (July 2021)
  • Techno Talk (July 2021)
  • Techno Talk (August 2021)
  • Techno Talk (August 2021)
  • Techno Talk (September 2021)
  • Techno Talk (September 2021)
  • Techno Talk (October 2021)
  • Techno Talk (October 2021)
  • Techno Talk (November 2021)
  • Techno Talk (November 2021)
  • Techno Talk (December 2021)
  • Techno Talk (December 2021)
  • Communing with nature (January 2022)
  • Communing with nature (January 2022)
  • Should we be worried? (February 2022)
  • Should we be worried? (February 2022)
  • How resilient is your lifeline? (March 2022)
  • How resilient is your lifeline? (March 2022)
  • Go eco, get ethical! (April 2022)
  • Go eco, get ethical! (April 2022)
  • From nano to bio (May 2022)
  • From nano to bio (May 2022)
  • Positivity follows the gloom (June 2022)
  • Positivity follows the gloom (June 2022)
  • Mixed menu (July 2022)
  • Mixed menu (July 2022)
  • Time for a total rethink? (August 2022)
  • Time for a total rethink? (August 2022)
  • What’s in a name? (September 2022)
  • What’s in a name? (September 2022)
  • Forget leaves on the line! (October 2022)
  • Forget leaves on the line! (October 2022)
  • Giant Boost for Batteries (December 2022)
  • Giant Boost for Batteries (December 2022)
  • Raudive Voices Revisited (January 2023)
  • Raudive Voices Revisited (January 2023)
  • A thousand words (February 2023)
  • A thousand words (February 2023)
  • It’s handover time (March 2023)
  • It’s handover time (March 2023)
  • AI, Robots, Horticulture and Agriculture (April 2023)
  • AI, Robots, Horticulture and Agriculture (April 2023)
  • Prophecy can be perplexing (May 2023)
  • Prophecy can be perplexing (May 2023)
  • Technology comes in different shapes and sizes (June 2023)
  • Technology comes in different shapes and sizes (June 2023)
  • AI and robots – what could possibly go wrong? (July 2023)
  • AI and robots – what could possibly go wrong? (July 2023)
  • How long until we’re all out of work? (August 2023)
  • How long until we’re all out of work? (August 2023)
  • We both have truths, are mine the same as yours? (September 2023)
  • We both have truths, are mine the same as yours? (September 2023)
  • Holy Spheres, Batman! (October 2023)
  • Holy Spheres, Batman! (October 2023)
  • Where’s my pneumatic car? (November 2023)
  • Where’s my pneumatic car? (November 2023)
  • Good grief! (December 2023)
  • Good grief! (December 2023)
  • Cheeky chiplets (January 2024)
  • Cheeky chiplets (January 2024)
  • Cheeky chiplets (February 2024)
  • Cheeky chiplets (February 2024)
  • The Wibbly-Wobbly World of Quantum (March 2024)
  • The Wibbly-Wobbly World of Quantum (March 2024)
  • Techno Talk - Wait! What? Really? (April 2024)
  • Techno Talk - Wait! What? Really? (April 2024)
  • Techno Talk - One step closer to a dystopian abyss? (May 2024)
  • Techno Talk - One step closer to a dystopian abyss? (May 2024)
  • Techno Talk - Program that! (June 2024)
  • Techno Talk - Program that! (June 2024)
  • Techno Talk (July 2024)
  • Techno Talk (July 2024)
  • Techno Talk - That makes so much sense! (August 2024)
  • Techno Talk - That makes so much sense! (August 2024)
  • Techno Talk - I don’t want to be a Norbert... (September 2024)
  • Techno Talk - I don’t want to be a Norbert... (September 2024)
  • Techno Talk - Sticking the landing (October 2024)
  • Techno Talk - Sticking the landing (October 2024)
  • Techno Talk (November 2024)
  • Techno Talk (November 2024)
  • Techno Talk (December 2024)
  • Techno Talk (December 2024)
  • Techno Talk (January 2025)
  • Techno Talk (January 2025)
  • Techno Talk (February 2025)
  • Techno Talk (February 2025)
  • Techno Talk (March 2025)
  • Techno Talk (March 2025)
  • Techno Talk (April 2025)
  • Techno Talk (April 2025)
  • Techno Talk (May 2025)
  • Techno Talk (May 2025)
  • Techno Talk (June 2025)
  • Techno Talk (June 2025)
  • Techno Talk (July 2025)
  • Techno Talk (July 2025)
Practical Electronics Volume 49. No. 3 March 2020 ISSN 2632 573X Contents Projects and Circuits Diode Curve Plotter by Tim Blythman 14 This superb piece of test gear is both practical and educational. It tests zener diodes, LEDs, schottky diodes, regular diodes, transient voltage suppressors and more. Audio DSP – Part 3 by Phil Prosser (design) and Nicholas Vinen (words) In this third and final article, we test the DSP Crossover modules, then connect them together and power the whole unit up so that it can process sound. 22 Steam Train Whistle / Diesel Horn Sound Generator by John Clarke Relive the exciting days of steam-train travel with this sound generator, which can be customised in a number of ways to suit your project’s preferences. 30 Using Cheap Asian Electronic Modules – Part 22 by Jim Rowe Learn to use the Seeed/Grove-designed galvanic skin response sensor. 36 The Fox Report by Barry Fox Easy when you know how, or have a decent user manual! 8 Techno Talk by Mark Nelson Boom time for battery traction 10 Net Work by Alan Winstanley The latest on Internet-based fraud, ID theft and advice on using 2FA (two-factor authentication) in your online dealings. Plus, SSDs – can you really entrust them? 12 PIC n’ Mix by Mike Hibbett Audio Spectrum Analyser – design update 40 Circuit Surgery by Ian Bell Strain gauge circuit revisited 44 Audio Out by Jake Rothman PE Mini-monitor crossover for Wavecor drivers – Part 2 48 Make it with Micromite by Phil Boyce Part 14: Using Bluetooth to set your Micromite free 53 Visual programming with XOD by Julian Edgar Introducing XOD visual programming for Arduino 60 Max’s Cool Beans by Max The Magnificent Flashing LEDs and drooling engineers 65 Electronic Building Blocks by Julian Edgar High-powered voice alarm 76 Teach-In bundle – what a bargain! Subscribe to Practical Electronics and save money Wireless for the Warrior Reader services – Editorial and Advertising Departments Editorial Not-so-smart speakers Exclusive Microchip reader offer Win a Microchip SAM D20 Xplained Pro Evaluation Kit Practical Electronics back issues CD-ROM – great 15-year deal! Practical Electronics – get your back issues here! PE Teach-In 8 Practical Electronics CD-ROMS for electronics A superb range of CD-ROMs for hobbyists, students and engineers Direct Book Service Build your library of carefully chosen technical books Practical Electronics PCB Service PCBs for Practical Electronics projects Classified ads and Advertiser index Next month! – highlights of our next issue of Practical Electronics 3 4 6 7 7 Series, Features and Columns Regulars and Services Made in the UK. Written in Britain, Australia, the US and Ireland. Read everywhere. © Electron Publishing Limited 2020 Copyright in all drawings, photographs, articles, technical designs, software and intellectual property published in Practical Electronics is fully protected, and reproduction or imitation in whole or in part are expressly forbidden. The April 2020 issue of Practical Electronics will be published on Thursday, 5 March 2020 – see page 80. Practical Electronics | March | 2020 11 35 43 64 70 73 78 79 80 1