Silicon ChipOuter Front Cover - April 2021 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Adobe making our lives difficult
  4. Mailbag
  5. Feature: Digital Radio Modes - Part 1 by Dr David Maddison
  6. Project: Digital FX (Effects) Pedal - Part 1 by John Clarke
  7. Project: Refined Full-Wave Motor Speed Controller by John Clarke
  8. Serviceman's Log: I hope the purists won't spit their dummies by Dave Thompson
  9. Circuit Notebook: Biofeedback for stress management by David Strong
  10. Circuit Notebook: Latching output for Remote Monitoring Station by Geoff Coppa
  11. Circuit Notebook: Alternative switched attenuator for Shirt Pocket Oscillator by Rick Arden
  12. Circuit Notebook: Follow-up to 'constant' AC source by Mauri Lampi
  13. Feature: The History of Videotape - Helical Scan by Ian Batty, Andre Switzer & Rod Humphris
  14. Project: High-Current Four Battery/Cell Balancer - Part 2 by Duraid Madina
  15. PartShop
  16. Project: Arduino-based MIDI Soundboard - Part 1 by Tim Blythman
  17. Product Showcase
  18. Review: Wagner cordless soldering iron by Tim Blythman
  19. Vintage Radio: 1948 Philips table model 114K by Associate Professor Graham Parslow
  20. Ask Silicon Chip
  21. Market Centre
  22. Advertising Index
  23. Notes & Errata: High-Current Battery Balancer, March 2021; Arduino-based Adjustable Power Supply, February 2021; LED Party Strobe Mk2, August 2015
  24. Outer Back Cover

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

You can view 0 of the 112 pages in the full issue.

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

Items relevant to "":
  • Firmware (BAS and HEX) files for the DAB+/FM/AM Radio project (Software, Free)
Articles in this series:
  • Digital Radio Modes - Part 1 (April 2021)
  • Digital Radio Modes – Part 2 (May 2021)
Items relevant to "Digital FX (Effects) Pedal - Part 1":
  • 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 "Refined Full-Wave Motor Speed Controller":
  • Refined Full-Wave Motor Speed Controller PCB [10102211] (AUD $7.50)
  • PIC12F617-I/P programmed for the Refined Full-Wave Motor Speed Controller [1010221A.HEX or 1010221B.HEX] (Programmed Microcontroller, AUD $10.00)
  • Hard-to-get parts for the Refined Full-Wave Motor Speed Controller (Component, AUD $60.00)
  • Firmware for the Refined Full-Wave Motor Speed Controller [1010221A.HEX] (Software, Free)
  • Refined Full-Wave Motor Speed Controller PCB pattern (PDF download) [10102211] (Free)
  • Cutting diagrams and lid panel artwork for the Refined Full-Wave Motor Speed Controller (PDF download) (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)
Items relevant to "High-Current Four Battery/Cell Balancer - Part 2":
  • High Current Battery Balancer PCB [14102211] (AUD $12.50)
  • ATSAML10E16A-AUT programmed for the High-Current Battery Balancer [1410221B.HEX] (Programmed Microcontroller, AUD $15.00)
  • Firmware for the High-Current Battery Balancer [1410221B.HEX] (Software, Free)
  • High Current Battery Balancer PCB pattern (PDF download) [14102211] (Free)
Articles in this series:
  • High-Current Four Battery/Cell Balancer (March 2021)
  • High-Current Four Battery/Cell Balancer - Part 2 (April 2021)
Items relevant to "Arduino-based MIDI Soundboard - Part 1":
  • 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)

Purchase a printed copy of this issue for $10.00.
APRIL 2021 ISSN 1030-2662 04 The VERY BEST DIY Projects! 9 771030 266001 $995* NZ $1290 INC GST INC GST 115-in-1 5-in-11 Digital 5-inEffects Unit Refined Motor Speed Controller Full-wave control ❚ 220-250V AC <at> 40-70Hz ❚ Optional soft-start switch ❚ External feedback adjustment ❚ For universal and shaded-pole motors up to 10A ❚ siliconchip.com.au 64-key MIDI Soundboard Australia’s electronics magazine April 2021  1