Silicon ChipSubscriptions - October 2025 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: We need Intel
  4. Feature: Autonomous Vehicles by Dr David Maddison, VK3DSM
  5. Project: Digital Preamp & Crossover by Phil Prosser
  6. Feature: HomeAssistant, Part 2 by Richard Palmer
  7. Subscriptions
  8. Project: Vacuum Controller by John Clarke
  9. Feature: Finding Bargain Speakers by Julian Edgar
  10. Project: Dual Train Controller by Les Kerr
  11. Project: Pendant Speaker, Part 2 by Julian Edgar
  12. Serviceman's Log: Large animals, laptops & Laphroaig by Various
  13. PartShop
  14. Vintage Radio: Vintage Reinartz 2 TRF Receiver by Philip Fitzherbert & Ian Batty
  15. PartShop
  16. Market Centre
  17. Advertising Index
  18. Notes & Errata: 433MHz Transmitter, April 2025
  19. Outer Back Cover

This is only a preview of the October 2025 issue of Silicon Chip.

You can view 34 of the 104 pages in the full issue, including the advertisments.

For full access, purchase the issue for $10.00 or subscribe for access to the latest issues.

Items relevant to "Digital Preamp & Crossover":
  • Digital Preamplifier main PCB [01107251] (AUD $30.00)
  • Digital Preamplifier front panel control PCB [01107252] (AUD $2.50)
  • Digital Preamplifier power supply PCB [01107253] (AUD $7.50)
  • PIC32MX270F256D-50I/PT‎ programmed for the Digital Preamplifier/Crossover [0110725A.HEX] (Programmed Microcontroller, AUD $20.00)
  • Firmware for the Digital Preamplifier/Crossover (Software, Free)
  • Digital Preamplifier/Crossover PCB patterns (PDF download) [01107251-3] (Free)
  • 3D printing files for the Digital Preamplifier/Crossover (Panel Artwork, Free)
  • Digital Preamplifier/Crossover case drilling diagrams (Panel Artwork, Free)
Items relevant to "HomeAssistant, Part 2":
  • HomeAssistant YAML scripts by Richard Palmer (Software, Free)
Articles in this series:
  • HomeAssistant, Part 1 (September 2025)
  • HomeAssistant, Part 2 (October 2025)
Items relevant to "Vacuum Controller":
  • Vacuum Controller main PCB [10109251] (AUD $10.00)
  • Vacuum Controller blast gate adaptor PCB [10109252] (AUD $2.50)
  • PIC16F1459-I/P programmed for the Vacuum Controller (1010925A.HEX) (Programmed Microcontroller, AUD $10.00)
  • Vacuum Controller software (Free)
  • Vacuum Controller PCB patterns (PDF download) [10109251-2] (Free)
  • Vacuum Controller panel artwork & drilling diagrams (Free)
Items relevant to "Dual Train Controller":
  • Battery Powered Model Train TH receiver PCB [09110242] (AUD $2.50)
  • Battery Powered Model Train SMD receiver PCB [09110243] (AUD $2.50)
  • Battery Powered Model Train charger PCB [09110244] (AUD $2.50)
  • PIC16F1455-I/P programmed for the Battery-Powered Model Train TH receiver [0911024R/S/T.HEX] (Programmed Microcontroller, AUD $10.00)
  • PIC16F1455-I/SL programmed for the Battery-Powered Model Train SMD receiver [0911024R.HEX] (Programmed Microcontroller, AUD $10.00)
  • PIC12F617-I/P programmed for the Battery-Powered Model Train charger [0911024C.HEX] (Programmed Microcontroller, AUD $10.00)
  • PIC16F1455-I/P programmed for the Dual Train Controller transmitter (0911024D.HEX) (Programmed Microcontroller, AUD $10.00)
  • Software for the Battery Powered Model Railway project (Free)
  • Battery Powered Model Train PCB patterns (PDF download) [09110241-4] (Free)
  • Dual Train Controller PCB [09110245] (AUD $3.00)
  • Software for the Dual Train Controller project (Free)
Articles in this series:
  • Battery-Powered Model Train (January 2025)
  • Dual Train Controller (October 2025)
Articles in this series:
  • Pendant Speaker, Part 1 (September 2025)
  • Pendant Speaker, Part 2 (October 2025)

Purchase a printed copy of this issue for $14.00.
Subscribe to SEPTEMBER 2025 ISSN 1030-2662 09 The VERY BEST DIY Projects ! 9 771030 266001 $14 00* NZ $14 90 INC GST INC GST AERIAL DRONES the latest hobby, commerc ial, military and passenger PICkit Basic Programm er Microchip’s new low-cos t programmer & how to add a 3.3/5V power breakout board Australia’s top electronics magazine Pendant Speaker A high-performance hanging speaker with a 170mm woofer and 90W power rating Silicon Chip is one of the best DIY electronics magazines in the world. Each month is filled with a variety of projects that you can build yourself, along with features on a wide range of topics from in-depth electronics articles to general tech overviews. drones HomeAssistant Run your own fully featured home automation system using a Raspberry Pi USB- C Power Monitor Measure voltage, current , power and energy for nearly all USB-C devices Published in Silicon Chip If you have an active subscription you receive 10% OFF orders from our Online Shop (siliconchip.com.au/Shop/)* Rest of World New Zealand Australia * does not include the cost of postage Length Print Combined Online 6 months $72.50 $82.50 $52.50 1 year $135 $155 $100 2 years $255 $290 $190 6 months $85 $95 1 year $160 $180 2 years $300 $335 6 months $105 $115 1 year $200 $220 All prices are in Australian dollars (AUD). Combined subscriptions include both the printed magazine and online access. 2 years $390 $425 Prices are valid for the month of issue. Try our Online Subscription – now with PDF downloads! Aerial Drones; September 2025 USB-C Power Monitor; Aug-Sep 2025 Mic the Mouse; August 2025 RP2350B Development Board; August 2025 An online issue is perfect for those who don’t want too much clutter around the house and is the same price worldwide. Issues can be viewed online, or downloaded as a PDF. To start your subscription go to siliconchip.com.au/Shop/Subscribe