Silicon ChipThe Fox Report - October 2025 SILICON CHIP
  1. Contents
  2. Publisher's Letter: Are surface-mount devices less reliable than through-hole?
  3. Subscriptions: The Fox Report by Barry Fox
  4. Feature: Techno Talk by Max the Magnificent
  5. Project: Seaside Sound Simulator by John Clarke
  6. Feature: Audio Out by Jake Rothman
  7. Feature: Precision Electronics Part 9: System Design by Andrew Levido
  8. Project: Compact HiFi headphone Amplifier Part 2 by Nicholas Vinen
  9. Back Issues
  10. Feature: Max’s Cool Beans: Weird & Wonderful Arduino Projects by Max the Magnificent
  11. Feature: The Fox Report by Barry Fox
  12. Project: Electric & Bass Guitar Pickguards by Brandon Speedie
  13. Feature: Circuit Surgery by Ian Bell
  14. Project: 3D Printer Filament Drying Chamber, Part 1 by Phil Prosser
  15. Feature: Nikola Tesla, the original ‘mad scientist’, Part 1 by Dr David Maddison
  16. PartShop
  17. Advertising Index
  18. Market Centre
  19. Back Issues

This is only a preview of the October 2025 issue of Practical Electronics.

You can view 0 of the 80 pages in the full issue.

Articles in this series:
  • The Fox Report (July 2024)
  • The Fox Report (September 2024)
  • The Fox Report (October 2024)
  • The Fox Report (November 2024)
  • The Fox Report (December 2024)
  • The Fox Report (January 2025)
  • The Fox Report (February 2025)
  • The Fox Report (March 2025)
  • The Fox Report (April 2025)
  • The Fox Report (May 2025)
  • The Fox Report (July 2025)
  • The Fox Report (August 2025)
  • The Fox Report (September 2025)
  • The Fox Report (October 2025)
  • The Fox Report (October 2025)
Articles in this series:
  • Techno Talk (February 2020)
  • Techno Talk (March 2020)
  • (April 2020)
  • Techno Talk (May 2020)
  • Techno Talk (June 2020)
  • Techno Talk (July 2020)
  • Techno Talk (August 2020)
  • Techno Talk (September 2020)
  • Techno Talk (October 2020)
  • (November 2020)
  • Techno Talk (December 2020)
  • Techno Talk (January 2021)
  • Techno Talk (February 2021)
  • Techno Talk (March 2021)
  • Techno Talk (April 2021)
  • Techno Talk (May 2021)
  • Techno Talk (June 2021)
  • Techno Talk (July 2021)
  • Techno Talk (August 2021)
  • Techno Talk (September 2021)
  • Techno Talk (October 2021)
  • Techno Talk (November 2021)
  • Techno Talk (December 2021)
  • Communing with nature (January 2022)
  • Should we be worried? (February 2022)
  • How resilient is your lifeline? (March 2022)
  • Go eco, get ethical! (April 2022)
  • From nano to bio (May 2022)
  • Positivity follows the gloom (June 2022)
  • Mixed menu (July 2022)
  • Time for a total rethink? (August 2022)
  • What’s in a name? (September 2022)
  • Forget leaves on the line! (October 2022)
  • Giant Boost for Batteries (December 2022)
  • Raudive Voices Revisited (January 2023)
  • A thousand words (February 2023)
  • It’s handover time (March 2023)
  • AI, Robots, Horticulture and Agriculture (April 2023)
  • Prophecy can be perplexing (May 2023)
  • Technology comes in different shapes and sizes (June 2023)
  • AI and robots – what could possibly go wrong? (July 2023)
  • How long until we’re all out of work? (August 2023)
  • We both have truths, are mine the same as yours? (September 2023)
  • Holy Spheres, Batman! (October 2023)
  • Where’s my pneumatic car? (November 2023)
  • Good grief! (December 2023)
  • Cheeky chiplets (January 2024)
  • Cheeky chiplets (February 2024)
  • The Wibbly-Wobbly World of Quantum (March 2024)
  • Techno Talk - Wait! What? Really? (April 2024)
  • Techno Talk - One step closer to a dystopian abyss? (May 2024)
  • Techno Talk - Program that! (June 2024)
  • Techno Talk (July 2024)
  • Techno Talk - That makes so much sense! (August 2024)
  • Techno Talk - I don’t want to be a Norbert... (September 2024)
  • Techno Talk - Sticking the landing (October 2024)
  • Techno Talk (November 2024)
  • Techno Talk (December 2024)
  • Techno Talk (January 2025)
  • Techno Talk (February 2025)
  • Techno Talk (March 2025)
  • Techno Talk (April 2025)
  • Techno Talk (May 2025)
  • Techno Talk (June 2025)
  • Techno Talk (July 2025)
  • Techno Talk (August 2025)
  • Techno Talk (October 2025)
  • Techno Talk (November 2025)
Articles in this series:
  • Audio Out (January 2024)
  • Audio Out (February 2024)
  • AUDIO OUT (April 2024)
  • Audio Out (May 2024)
  • Audio Out (June 2024)
  • Audio Out (July 2024)
  • Audio Out (August 2024)
  • Audio Out (September 2024)
  • Audio Out (October 2024)
  • Audio Out (March 2025)
  • Audio Out (April 2025)
  • Audio Out (May 2025)
  • Audio Out (June 2025)
  • Audio Out (July 2025)
  • Audio Out (August 2025)
  • Audio Out (September 2025)
  • Audio Out (October 2025)
  • Audio Out (November 2025)
Articles in this series:
  • Precision Electronics, Part 1 (November 2024)
  • Precision Electronics, Part 2 (December 2024)
  • Precision Electronics, part one (January 2025)
  • Precision Electronics, Part 3 (January 2025)
  • Precision Electronics, part two (February 2025)
  • Precision Electronics, Part 4 (February 2025)
  • Precision Electronics, part three (March 2025)
  • Precision Electronics, Part 5 (March 2025)
  • Precision Electronics, part four (April 2025)
  • Precision Electronics, Part 6 (April 2025)
  • Precision Electronics, Part 7: ADCs (May 2025)
  • Precision Electronics, part five (May 2025)
  • Precision Electronics, part six (June 2025)
  • Precision Electronics, Part 8: Voltage References (June 2025)
  • Precision Electronics, Part 9 - System Design (July 2025)
  • Precision Electronics, part seven (July 2025)
  • Precision Electronics, part eight (August 2025)
  • Precision Electronics Part 9: System Design (October 2025)
Items relevant to "Compact HiFi headphone Amplifier Part 2":
  • Compact HiFi Headphone Amplifier PCB [01103241] (AUD $7.50)
  • Dual Horizontal PCB-mounting RCA sockets (white/red) [RCA-210] (Component, AUD $2.50)
  • Compact HiFi Headphone Amplifier kit (Component, AUD $70.00)
  • Compact HiFi Headphone Amplifier PCB pattern (PDF download) [01103241] (Free)
  • Compact HiFi Headphone Amplifier panel drilling diagram (Panel Artwork, Free)
Articles in this series:
  • Compact HiFi Headphone Amp (December 2024)
  • Compact HiFi Headphone Amp (January 2025)
  • Compact Hi-Fi Headphone Amplifier, part one (September 2025)
  • Compact HiFi headphone Amplifier Part 2 (October 2025)
Articles in this series:
  • Max’s Cool Beans (January 2025)
  • Max’s Cool Beans (February 2025)
  • Max’s Cool Beans (March 2025)
  • Max’s Cool Beans (April 2025)
  • Max’s Cool Beans (May 2025)
  • Max’s Cool Beans (June 2025)
  • Max’s Cool Beans (July 2025)
  • Max’s Cool Beans (August 2025)
  • Max’s Cool Beans (September 2025)
  • Max’s Cool Beans: Weird & Wonderful Arduino Projects (October 2025)
  • Max’s Cool Beans (November 2025)
Articles in this series:
  • The Fox Report (July 2024)
  • The Fox Report (September 2024)
  • The Fox Report (October 2024)
  • The Fox Report (November 2024)
  • The Fox Report (December 2024)
  • The Fox Report (January 2025)
  • The Fox Report (February 2025)
  • The Fox Report (March 2025)
  • The Fox Report (April 2025)
  • The Fox Report (May 2025)
  • The Fox Report (July 2025)
  • The Fox Report (August 2025)
  • The Fox Report (September 2025)
  • The Fox Report (October 2025)
  • The Fox Report (October 2025)
Articles in this series:
  • Circuit Surgery (April 2024)
  • STEWART OF READING (April 2024)
  • Circuit Surgery (May 2024)
  • Circuit Surgery (June 2024)
  • Circuit Surgery (July 2024)
  • Circuit Surgery (August 2024)
  • Circuit Surgery (September 2024)
  • Circuit Surgery (October 2024)
  • Circuit Surgery (November 2024)
  • Circuit Surgery (December 2024)
  • Circuit Surgery (January 2025)
  • Circuit Surgery (February 2025)
  • Circuit Surgery (March 2025)
  • Circuit Surgery (April 2025)
  • Circuit Surgery (May 2025)
  • Circuit Surgery (June 2025)
  • Circuit Surgery (July 2025)
  • Circuit Surgery (August 2025)
  • Circuit Surgery (September 2025)
  • Circuit Surgery (October 2025)
  • Circuit Surgery (November 2025)
Items relevant to "3D Printer Filament Drying Chamber, Part 1":
  • Filament Dryer Control PCB [28110241] (AUD $7.50)
  • PIC16F15214-I/P programmed for the 3D Printer Filament Dryer [2811024A.HEX] (Programmed Microcontroller, AUD $10.00)
  • Firmware and 3D printing (STL) files for the 3D Printer Filament Dryer (Software, Free)
  • Filament Dryer Control PCB pattern (PDF download) [28110241] (Free)
  • 3D Printer Filament Dryer drilling templates (Panel Artwork, Free)
Articles in this series:
  • 3D Printer Filament Dryer, Part 1 (October 2024)
  • 3D Printer Filament Dryer, Part 2 (November 2024)
  • 3D Printer Filament Drying Chamber, Part 1 (October 2025)
  • 3D Printer Filament Drying Chamber, Part 2 (November 2025)
Articles in this series:
  • The life of Nikola Tesla, Part 1 (October 2024)
  • Nikola Tesla, Part 2 (November 2024)
  • Nikola Tesla, the original ‘mad scientist’, Part 1 (October 2025)
  • Nikola Tesla, the original ‘mad scientist’, Part 2 (November 2025)
Practical Electronics UK readers SAVE £1 on every issue SUBSCRIBE NOW! Practical Electronics Practical Electronics Practical Electronics Practical Electronics Practical Electronics The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine The UK’s premier electronics, computing and maker magazine Circuit Surgery Implementing DSP with a microcontroller Audio Out Cascoding JFETs and BJTs in a direct injection box Precision Electronics Bringing analog and digital together: ADCs & DACs Dual Hybrid (switch-mode + linear) Bench Supply 01202 087631 Circuit Surgery Audio Out Precision Electronics Setting up and timing An audio amplifier circuit using Getting the most out of your a DAC for DSP. a complementary cascode ADC in precision applications. Audio Out Compact OLED Clock & Timer Precision Electronics Minimising distortion in balanced input transformers Explore-40 MMBasic in a Pico form factor Choosing & using voltage references Circuit Surgery Getting an FIR filter algorithm running on a microcontroller Audio Out A proper PCB for building the cascode audio amplifier 180-230V DC Motor Speed Controller with feedback Two kinds of Mini LED Dice PLUS! Techno Talk – Humanoid robots may be a reality soon Cool Beans – shift registers and LED bargraphs The History of Electronics – our final instalment <at>practicalelec FlexiDice 06 9 772632 573030 practicalelectronics Techno Talk – humanoid robots are coming soon! Cool Beans – generating predictably random numbers. Staggering generator loads – using an existing design. www.electronpublishing.com <at>practicalelec Circuit Surgery Measuring frequency response with a PC sound card Audio Out Three FET-based Class-A Audio Buffer Module PCBs Precision Electronics The final instalment Custom Electric Guitar/ Bass Controls Discrete Ideal Bridge Rectifiers Seaside Sound Simulator Automatic L/Q Meter PLUS! Jun 2025 £5.99 Net Work Smart meters, new Chinese EVs & Temu 8-Channel IR Remote Relay Compact Hi-Fi Headphone Amp The Styloclone A simple electronic musical instrument www.electronpublishing.com Circuit Surgery Getting our DSP board’s ADC & DAC working together PLUS! Jul 2025 £5.99 07 9 772632 573030 practicalelectronics Techno Talk – finding chip data & pseudo intelligence Cool Beans – ultimate switch debouncing and RNG MIPI’s new I3C serial standard can replace both I2C & SPI www.electronpublishing.com <at>practicalelec PLUS! Aug 2025 £5.99 08 9 772632 573030 practicalelectronics Techno Talk – the history of breadboarding Cool Beans – a crash course in digital logic and gates Dual Rail Supply Protector – a bipolar electronic fuse www.electronpublishing.com <at>practicalelec PLUS! Sep 2025 £5.99 09 9 772632 573030 practicalelectronics 3D Printer Filament Dryer Techno Talk – The history of recording technology Cool Beans – Measuring reaction times & using logic ICs Nikola Tesla – The inventions of the original ‘mad scientist’ www.electronpublishing.com <at>practicalelec Oct 2025 £5.99 10 9 772632 573030 practicalelectronics Take out a one-year subscription and save more than £10 over the year. Even better – save over £1 per issue if you subscribe for two years – a total saving of £26. 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