Silicon ChipMarket Centre - September 2025 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: What is ferrite?
  4. Subscriptions
  5. Feature: Aerial Drones by Dr David Maddison, VK3DSM
  6. Review: The MPLAB PICkit Basic by Tim Blythman
  7. Project: Power Breakout for PICkit Basic by Tim Blythman
  8. Project: Pendant Speaker, Part 1 by Julian Edgar
  9. Feature: HomeAssistant, Part 1 by Richard Palmer
  10. Project: HomeAssistant Satellite by Richard Palmer
  11. PartShop
  12. Feature: Amplifier Cooling, Part 2 by Julian Edgar
  13. Project: Ducted Heat Transfer Controller Part 2 by Julian Edgar & John Clarke
  14. Project: USB-C Power Monitor, Part 2 by Tim Blythman
  15. PartShop
  16. Serviceman's Log: Salvaging a soggy ceiling circuit by Dave Thompson
  17. Vintage Radio: Pye PHA 520 “Colombo Plan” radio by Alby Thomas & Ian Batty
  18. PartShop
  19. Market Centre
  20. Advertising Index
  21. Notes & Errata: Boeing 737 MAX & MCAS, August 2025; Thin-Film Pressure Sensor module, August 2025
  22. Outer Back Cover

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

You can view 42 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 "Power Breakout for PICkit Basic":
  • PICkit Basic Power Breakout kit (Component, AUD $20.00)
  • PICkit Basic Power Breakout PCB pattern (PDF download) [18106251] (Free)
Articles in this series:
  • Pendant Speaker, Part 1 (September 2025)
  • Pendant Speaker, Part 1 (September 2025)
Items relevant to "HomeAssistant, Part 1":
  • HomeAssistant YAML scripts by Richard Palmer (Software, Free)
Articles in this series:
  • HomeAssistant, Part 1 (September 2025)
  • HomeAssistant, Part 1 (September 2025)
Items relevant to "HomeAssistant Satellite":
  • HomeAssistant Satellite PCB [15104251] (AUD $3.50)
  • 0.96in white OLED with SSD1306 controller (Component, AUD $10.00)
  • 0.96in cyan OLED with SSD1306 controller (Component, AUD $10.00)
  • HomeAssistant Satellite PCB pattern (PDF download) [15104251] (Free)
Articles in this series:
  • Amplifier Cooling, Part 1 (August 2025)
  • Amplifier Cooling, Part 1 (August 2025)
  • Amplifier Cooling, Part 2 (September 2025)
  • Amplifier Cooling, Part 2 (September 2025)
Items relevant to "Ducted Heat Transfer Controller Part 2":
  • Duct Heat Transfer Controller main PCB [17101251] (AUD $10.00)
  • Duct Heat Transfer Controller sensor PCB [17101252] (AUD $2.50)
  • Duct Heat Transfer Controller switch panel PCB [17101253] (AUD $2.50)
  • PIC16F1459-I/P programmed for the Ducted Heat Transfer Controller (1710125A.HEX) (Programmed Microcontroller, AUD $10.00)
  • Firmware (ASM and HEX) files for the Ducted Heat Transfer Controller (1710125A.HEX) (Software, Free)
  • Duct Heat Transfer Controller PCB patterns (PDF download) [17101251-3] (Free)
  • Duct Heat Transfer Controller panel artwork & cutting diagrams (Free)
Articles in this series:
  • Ducted Heat Transfer Controller Part 1 (August 2025)
  • Ducted Heat Transfer Controller Part 1 (August 2025)
  • Ducted Heat Transfer Controller Part 2 (September 2025)
  • Ducted Heat Transfer Controller Part 2 (September 2025)
Items relevant to "USB-C Power Monitor, Part 2":
  • USB-C Power Monitor PCB set [04102251-3] (AUD $7.50)
  • PIC16F18146-I/SO programmed for the USB-C Power Monitor [0410225A.HEX] (Programmed Microcontroller, AUD $10.00)
  • 0.91-inch white OLED with 4-pin I²C interface (Component, AUD $7.50)
  • USB-C Power Monitor short-form kit (Component, AUD $60.00)
  • Firmware for the USB-C Power Monitor [0410225A.HEX] (Software, Free)
  • USB-C Power Monitor PCB patterns [04102251-2] (Free)
Articles in this series:
  • USB-C Power Monitor, Part 1 (August 2025)
  • USB-C Power Monitor, Part 1 (August 2025)
  • USB-C Power Monitor, Part 2 (September 2025)
  • USB-C Power Monitor, Part 2 (September 2025)

Purchase a printed copy of this issue for $14.00.

MARKET CENTRE Advertise your product or services here in Silicon Chip KIT ASSEMBLY & REPAIR FOR SALE DAVE THOMPSON (the Serviceman from Silicon Chip) is available to help you with kit assembly, project troubleshooting, general electronics and custom design work. No job too small. Based in Christchurch, New Zealand, but service available Australia/NZ wide. Email dave<at>davethompson.co.nz LEDsales KEITH RIPPON KIT ASSEMBLY & REPAIR: * Australia & New Zealand; * Small production runs. Phone Keith: 0409 662 794 keith.rippon<at>gmail.com LEDS, BRAND NAME AND GENERIC LEDs, filament LEDs, LED drivers, heatsinks, power supplies, kits and modules, components, breadboards, hardware, magnets. Please visit www. ledsales.com.au PMD WAY offers (almost) everything for the electronics enthusiast – with full warranty, technical support and free delivery worldwide. Visit pmdway.com to get started. Lazer.Security PCB PRODUCTION PCB MANUFACTURE: single to multilayer. Bare board tested. One-offs to any quantity. 48 hour service. Artwork design. Excellent prices. Check out our specials: www.ldelectronics.com.au WE HAVE QUALITY LEDs on sale, Driver sub-assemblies, new kits and all sorts of electronic components, both through hole and SMD at very competitive prices. check out the latest deals at www.lazer.com.au Dual Mini LED Dice August 2024 SMD LED Complete Kit SC6961: $17.50 TH LED Complete Kit SC6849: $17.50 siliconchip.au/Article/16418 Includes either 3mm through-hole or 1206sized SMD LEDs. Choice of either white or black PCB. CR2032 coin cell not included. FOR FREE: To give away, one decommissioned and partly disassembled YUKI KP-480 pick and place machine. Contact: Graham – 0458 071 074 Location: Hobart, Tasmania ADVERTISING IN MARKET CENTRE Classified Ad Rates: $32.00 for up to 20 words (punctuation not charged) plus $1.20 for each additional word. Display ads in Market Centre (minimum 2cm deep, maximum 10cm deep): $82.50 per column centimetre per insertion. All prices include GST. Closing date: 5 weeks prior to month of sale. To book, email the text to silicon<at>siliconchip.com.au and include your name, address & credit card details, or phone (02) 9939 3295. WARNING! Silicon Chip magazine regularly describes projects which employ a mains power supply or produce high voltage. All such projects should be considered dangerous or even lethal if not used safely. Readers are warned that high voltage wiring should be carried out according to the instructions in the articles. When working on these projects use extreme care to ensure that you do not accidentally come into contact with mains AC voltages or high voltage DC. If you are not confident about working with projects employing mains voltages or other high voltages, you are advised not to attempt work on them. Silicon Chip Publications Pty Ltd disclaims any liability for damages should anyone be killed or injured while working on a project or circuit described in any issue of Silicon Chip magazine. Devices or circuits described in Silicon Chip may be covered by patents. Silicon Chip disclaims any liability for the infringement of such patents by the manufacturing or selling of any such equipment. Silicon Chip also disclaims any liability for projects which are used in such a way as to infringe relevant government regulations and by-laws. Advertisers are warned that they are responsible for the content of all advertisements and that they must conform to the Competition & Consumer Act 2010 or as subsequently amended and to any governmental regulations which are applicable. siliconchip.com.au Australia's electronics magazine September 2025  103