Silicon ChipMarket Centre - May 2021 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Farewell to Gary Johnston A Remarkable Australian
  4. Feature: Digital Radio Modes – Part 2 by Dr David Maddison
  5. Project: Programmable Hybrid Lab Supply with WiFi – Part 1 by Richard Palmer
  6. PartShop
  7. Project: Digital FX (Effects) Pedal – Part 2 by John Clarke
  8. Project: Arduino-based MIDI Soundboard – Part 2 by Tim Blythman
  9. Review: EVOR04 Audio Analyser by Allan Linton-Smith
  10. Project: Variac-based Mains Voltage Regulation by Dr Hugo Holden
  11. Feature: The History of Videotape – Cassette Systems by Ian Batty, Andre Switzer & Rod Humphris
  12. Serviceman's Log: Some jobs are much harder than they should be by Dave Thompson
  13. Product Showcase
  14. Vintage Radio: 1972 BWD 141 Audio Generator by Ian Batty
  15. Market Centre
  16. Advertising Index
  17. Notes & Errata: ESR Meter with LCD readout, Circuit Notebook, May 2016; Barking Dog Blaster, September 2012
  18. Outer Back Cover

This is only a preview of the May 2021 issue of Silicon Chip.

You can view 41 of the 112 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.

Articles in this series:
  • Digital Radio Modes - Part 1 (April 2021)
  • Digital Radio Modes - Part 1 (April 2021)
  • Digital Radio Modes – Part 2 (May 2021)
  • Digital Radio Modes – Part 2 (May 2021)
Items relevant to "Programmable Hybrid Lab Supply with WiFi – Part 1":
  • WiFi-Controlled DC Electronic Load control PCB [18104212] (AUD $10.00)
  • Programmable Hybrid Lab Supply Control Panel PCB [18104211] (AUD $10.00)
  • Programmable Hybrid Lab Supply Regulator Module PCB [18104212] (AUD $7.50)
  • 2.8-inch TFT Touchscreen LCD module with SD card socket (Component, AUD $25.00)
  • ESP32 DevKitC microcontroller module with WiFi and Bluetooth (Component, AUD $25.00)
  • Software, manuals and laser templates for the Programmable Hybrid Lab Supply (Free)
  • Programmable Hybrid Lab Supply Control Panel PCB pattern (PDF download) [18104211] (Free)
  • Programmable Hybrid Lab Supply Regulator PCB pattern (PDF download) [18104212] (Free)
  • Drilling/cutting diagrams and front panel artwork for the Programmable Hybrid Lab Supply (Free)
Articles in this series:
  • Programmable Hybrid Lab Supply with WiFi – Part 1 (May 2021)
  • Programmable Hybrid Lab Supply with WiFi – Part 1 (May 2021)
  • Programmable Hybrid Lab Supply with WiFi – Part 2 (June 2021)
  • Programmable Hybrid Lab Supply with WiFi – Part 2 (June 2021)
Items relevant to "Digital FX (Effects) Pedal – Part 2":
  • Digital FX Unit PCB (potentiometer-based version) [01102211] (AUD $7.50)
  • Digital FX Unit PCB (switch-based version) [01102212] (AUD $7.50)
  • 24LC32A-I/SN EEPROM programmed for the Digital FX Unit [0110221A.HEX] (Programmed Microcontroller, AUD $10.00)
  • PIC12F1571-I/SN programmed for the Digital FX Unit with potentiometer [0110221B.HEX] (Programmed Microcontroller, AUD $10.00)
  • Spin FV-1 digital effects IC (SOIC-28) (Component, AUD $40.00)
  • Firmware for the Digital FX Unit [0110221A.HEX] (Software, Free)
  • Digital FX Unit PCB patterns (PDF download) [01102211-2] (Free)
Articles in this series:
  • Digital FX (Effects) Pedal - Part 1 (April 2021)
  • Digital FX (Effects) Pedal - Part 1 (April 2021)
  • Digital FX (Effects) Pedal – Part 2 (May 2021)
  • Digital FX (Effects) Pedal – Part 2 (May 2021)
Items relevant to "Arduino-based MIDI Soundboard – Part 2":
  • 64-Key Arduino MIDI Shield PCB [23101211] (AUD $5.00)
  • 8x8 Tactile Pushbutton Switch Matrix PCB [23101212] (AUD $10.00)
  • Simple Linear MIDI Keyboard PCB [23101213] (AUD $5.00)
  • Firmware for the 64-Key Arduino MIDI Matrix (Software, Free)
  • Software for the Arduino MIDI Shield & 8x8 Key Matrix plus 3D keycap model (Free)
  • 64-Key Arduino MIDI Shield PCB pattern (PDF download) [23101211] (Free)
  • 8x8 Tactile Pushbutton Switch Matrix PCB pattern (PDF download) [23101212] (Free)
  • Simple Linear MIDI Keyboard PCB pattern (PDF download) [23101213] (Free)
Articles in this series:
  • Arduino-based MIDI Soundboard - Part 1 (April 2021)
  • Arduino-based MIDI Soundboard - Part 1 (April 2021)
  • Arduino-based MIDI Soundboard – Part 2 (May 2021)
  • Arduino-based MIDI Soundboard – Part 2 (May 2021)
  • Simple Linear MIDI Keyboard (August 2021)
  • Simple Linear MIDI Keyboard (August 2021)
Items relevant to "Variac-based Mains Voltage Regulation":
  • Variac-based Regulation Control Module PCB [10103211] (AUD $7.50)
  • Variac-based Regulation Control Module PCB pattern (PDF download) [10103211] (Free)
Articles in this series:
  • The History of Videotape – Quadruplex (March 2021)
  • The History of Videotape – Quadruplex (March 2021)
  • The History of Videotape - Helical Scan (April 2021)
  • The History of Videotape - Helical Scan (April 2021)
  • The History of Videotape – Cassette Systems (May 2021)
  • The History of Videotape – Cassette Systems (May 2021)
  • The History of Videotape – Camcorders and Digital Video (June 2021)
  • The History of Videotape – Camcorders and Digital Video (June 2021)

Purchase a printed copy of this issue for $10.00.

MARKET CENTRE Advertise your product or services here in Silicon Chip FOR SALE FOR SALE KIT ASSEMBLY & REPAIR LEDsales VINTAGE RADIO REPAIRS: electrical mechanical fitter with 36 years ex­ perience and extensive knowledge of valve and transistor radios. Professional and reliable repairs. All workmanship guaranteed. $17 inspection fee plus charges for parts and labour as required. Labour fees $38 p/h. Pensioner discounts available on application. Contact Alan, VK2FALW on 0425 122 415 or email bigalradioshack<at>gmail. com LEDs and accessories for the DIY enthusiast PMD WAY offers (almost) everything for the electronics enthusiast – with full warranty, technical support and free delivery worldwide. Visit pmdway.com to get started. SILICON CHIP ASSORTED BOOKS FOR $5 EACH Selling assorted books on electronics and other related subjects – condition varies. Some of the books may have already been sold, but most are still available. Bulk discount available; post or pickup. All books can be viewed at: siliconchip.com.au/link/aawx Email for a postage quote, quote the number directly below the photo when referring to a book: silicon<at>siliconchip.com.au LEDs, BRAND NAME AND GENERIC LEDs. Heatsinks, LED drivers, power supplies, LED ribbon, kits, components, hardware – www.ledsales.com.au TRONIXLABS PTY LTD would like to thank all of our customers for their support and feedback. For any enquiries or customer technical support, please email support<at>tronixlabs.com PCB PRODUCTION PCB MANUFACTURE: single to multi­ layer. Bare board tested. One-offs to any quantity. 48 hour service. Artwork design. Excellent prices. Check out our specials: www.ldelectronics.com.au DAVE THOMPSON (the Serviceman from S ilicon C hip ) is available to help you with kit assembly, project troubleshooting, general electronics and custom design work. No job too small. Based in Christchurch, NZ but service available Australia/NZ wide. Email dave<at>davethompson.co.nz KEITH RIPPON KIT ASSEMBLY & REPAIR: * Australia & New Zealand; * Small production runs. Phone Keith: 0409 662 794 keith.rippon<at>gmail.com 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 Glyn (02) 9939 3295 or 0431 792 293. 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 May 2021  111