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

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

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Articles in this series:
  • Digital Radio Modes - Part 1 (April 2021)
  • Digital Radio Modes – Part 2 (May 2021)
Items relevant to "Programmable Hybrid Lab Supply with WiFi – Part 1":
  • 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)
  • 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 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 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 2 (May 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)
Items relevant to "Infrared remote control jammer":
  • Firmware for the Infrared Remote Control Jammer (Software, Free)
Articles in this series:
  • The History of Videotape – Quadruplex (March 2021)
  • The History of Videotape - Helical Scan (April 2021)
  • The History of Videotape – Cassette Systems (May 2021)
  • The History of Videotape – Camcorders and Digital Video (June 2021)

Purchase a printed copy of this issue for $10.00.
MAY 2021 ISSN 1030-2662 05 The VERY BEST DIY Projects! 9 771030 266001 $995* NZ $1290 INC GST INC GST Hybrid Bench Supply 24V <at> 0-3.5A or 0-18V <at> 0-5A ■ WiFi remote monitoring/control 100-240V AC, 50-60Hz supply ■ 10mv/10mA setting resolution Multiple units can be combined wirelessly to make a tracking supply Variac-based Mains Voltage Regulator PLUS THESE OTHER ARTICLES siliconchip.com.au Digital Radio Modes: Amateur Radio etc electronics magazine History of Australia’s Videotape: Digital FX Pedal Unit: Cassette Systems Creating New Effects May 2021  1 64-Key MIDI Matrix: Software and Android