Silicon ChipOuter Front Cover - July 2025 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Confusion between lithium battery types
  4. Feature: SpaceX by Dr David Maddison
  5. Project: Solar Charging via USB by Julian Edgar
  6. Project: The SmartProbe by Andrew Levido
  7. Feature: Precision Electronics, Part 9 - System Design by Andrew Levido
  8. Subscriptions
  9. Feature: Salvaging Parts by Julian Edgar
  10. Project: Hot Water System Solar Diverter, part two by Ray Berkelmans & John Clarke
  11. Feature: Low-cost electronic modules: 8×16 LED Matrix module by Tim Blythman
  12. Project: SSB Shortwave Receiver, part 2 by Charles Kosina, VK3BAR
  13. Serviceman's Log: Water woes a and hydration hindrances by Dave Thompson
  14. Vintage Radio: Eddystone EC10 Mk2 by Ian Batty
  15. PartShop
  16. Market Centre
  17. Advertising Index
  18. Notes & Errata: Vintage Radio – Emerson 888, May 2025; Power LCR Meter, March & April 2025; Mains Power-Up Sequencer, March & July 2024; Reciprocal Frequency Counter, July 2023
  19. Outer Back Cover

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

You can view 37 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.

Articles in this series:
  • SpaceX (July 2025)
  • SpaceX, Part 2 (August 2025)
Articles in this series:
  • Shed Alarm (March 2025)
  • Audio Mixing Cables (March 2025)
  • Solar Charging via USB (July 2025)
Items relevant to "The SmartProbe":
  • SmartProbe PCB [P9054-04] (AUD $5.00)
  • SWD FFC Adaptor PCB [P9045-A] (AUD $2.50)
  • STM32L031F6P6 programmed for the SmartProbe [0411025A.HEX] (Programmed Microcontroller, AUD $15.00)
  • 0.96-inch 128×64-pixel white bare OLED screen (Component, AUD $10.00)
  • SmartProbe firmware (Software, Free)
  • SmartProbe PCB pattern (PDF download) [P9054-04] (Free)
  • SWD Programming Adaptor PCB pattern (PDF download) [P9045-A] (Free)
Articles in this series:
  • Precision Electronics, Part 1 (November 2024)
  • Precision Electronics, Part 2 (December 2024)
  • Precision Electronics, Part 3 (January 2025)
  • Precision Electronics, Part 4 (February 2025)
  • Precision Electronics, Part 5 (March 2025)
  • Precision Electronics, Part 6 (April 2025)
  • Precision Electronics, Part 7: ADCs (May 2025)
  • Precision Electronics, Part 8: Voltage References (June 2025)
  • Precision Electronics, Part 9 - System Design (July 2025)
Items relevant to "Hot Water System Solar Diverter, part two":
  • HWS Solar Diverter main PCB [18110241] plus protective panels (AUD $20.00)
  • Hot Water System Solar Diverter software (Free)
  • Hot Water System Solar Diverter PCB pattern (PDF Download) [18110241] (Free)
  • Panel artwork for the Hot Water System Solar Diverter (Free)
Articles in this series:
  • Hot Water System Solar Diverter, part one (June 2025)
  • Hot Water System Solar Diverter, part two (July 2025)
Items relevant to "Low-cost electronic modules: 8×16 LED Matrix module":
  • 8x16 LED Matrix software (Free)
Articles in this series:
  • El Cheapo Modules From Asia - Part 1 (October 2016)
  • El Cheapo Modules From Asia - Part 2 (December 2016)
  • El Cheapo Modules From Asia - Part 3 (January 2017)
  • El Cheapo Modules from Asia - Part 4 (February 2017)
  • El Cheapo Modules, Part 5: LCD module with I²C (March 2017)
  • El Cheapo Modules, Part 6: Direct Digital Synthesiser (April 2017)
  • El Cheapo Modules, Part 7: LED Matrix displays (June 2017)
  • El Cheapo Modules: Li-ion & LiPo Chargers (August 2017)
  • El Cheapo modules Part 9: AD9850 DDS module (September 2017)
  • El Cheapo Modules Part 10: GPS receivers (October 2017)
  • El Cheapo Modules 11: Pressure/Temperature Sensors (December 2017)
  • El Cheapo Modules 12: 2.4GHz Wireless Data Modules (January 2018)
  • El Cheapo Modules 13: sensing motion and moisture (February 2018)
  • El Cheapo Modules 14: Logarithmic RF Detector (March 2018)
  • El Cheapo Modules 16: 35-4400MHz frequency generator (May 2018)
  • El Cheapo Modules 17: 4GHz digital attenuator (June 2018)
  • El Cheapo: 500MHz frequency counter and preamp (July 2018)
  • El Cheapo modules Part 19 – Arduino NFC Shield (September 2018)
  • El cheapo modules, part 20: two tiny compass modules (November 2018)
  • El cheapo modules, part 21: stamp-sized audio player (December 2018)
  • El Cheapo Modules 22: Stepper Motor Drivers (February 2019)
  • El Cheapo Modules 23: Galvanic Skin Response (March 2019)
  • El Cheapo Modules: Class D amplifier modules (May 2019)
  • El Cheapo Modules: Long Range (LoRa) Transceivers (June 2019)
  • El Cheapo Modules: AD584 Precision Voltage References (July 2019)
  • Three I-O Expanders to give you more control! (November 2019)
  • El Cheapo modules: “Intelligent” 8x8 RGB LED Matrix (January 2020)
  • El Cheapo modules: 8-channel USB Logic Analyser (February 2020)
  • New w-i-d-e-b-a-n-d RTL-SDR modules (May 2020)
  • New w-i-d-e-b-a-n-d RTL-SDR modules, Part 2 (June 2020)
  • El Cheapo Modules: Mini Digital Volt/Amp Panel Meters (December 2020)
  • El Cheapo Modules: Mini Digital AC Panel Meters (January 2021)
  • El Cheapo Modules: LCR-T4 Digital Multi-Tester (February 2021)
  • El Cheapo Modules: USB-PD chargers (July 2021)
  • El Cheapo Modules: USB-PD Triggers (August 2021)
  • El Cheapo Modules: 3.8GHz Digital Attenuator (October 2021)
  • El Cheapo Modules: 6GHz Digital Attenuator (November 2021)
  • El Cheapo Modules: 35MHz-4.4GHz Signal Generator (December 2021)
  • El Cheapo Modules: LTDZ Spectrum Analyser (January 2022)
  • Low-noise HF-UHF Amplifiers (February 2022)
  • A Gesture Recognition Module (March 2022)
  • Air Quality Sensors (May 2022)
  • MOS Air Quality Sensors (June 2022)
  • PAS CO2 Air Quality Sensor (July 2022)
  • Particulate Matter (PM) Sensors (November 2022)
  • Heart Rate Sensor Module (February 2023)
  • UVM-30A UV Light Sensor (May 2023)
  • VL6180X Rangefinding Module (July 2023)
  • pH Meter Module (September 2023)
  • 1.3in Monochrome OLED Display (October 2023)
  • 16-bit precision 4-input ADC (November 2023)
  • 1-24V USB Power Supply (October 2024)
  • 0.91-inch OLED Screen (November 2024)
  • TCS230 Colour Sensor (January 2025)
  • Low-cost electronic modules: 8×16 LED Matrix module (July 2025)
  • Modules: Thin-Film Pressure Sensor (August 2025)
  • Self-powered Wireless Switches (March 2026)
Items relevant to "SSB Shortwave Receiver, part 2":
  • SSB Shortwave Receiver PCB set [CSE250202-3] (AUD $15.00)
  • SI5351A clock generator module (Component, AUD $7.50)
  • Micrometals Amidon T50-6 toroidal core (Component, AUD $5.00)
  • SMD transistor - BF998 12V 30mA dual-gate depletion-mode Mosfet (SOT-143) (Component, AUD $2.50)
  • 16x2 Alphanumeric module with blue backlight (Component, AUD $10.00)
  • SSB Shortwave Receiver front panel [CSE250204] (PCB, AUD $7.50)
  • SSB Shortwave Receiver firmware (CSE25020A) (Software, Free)
  • SSB Shortwave Receiver PCB patterns (PDF download) [CSE250202-3] (Free)
Articles in this series:
  • SSB Shortwave Receiver, part 1 (June 2025)
  • SSB Shortwave Receiver, part 2 (July 2025)

Purchase a printed copy of this issue for $13.00.
JULY 2025 ISSN 1030-2662 07 The VERY BEST DIY Projects! 9 771030 266001 $ 00* NZ $1390 13 INC GST INC GST The SmartProbe The perfect device for troubleshooting circuits. Probe voltages and test continuity with one hand, then put it in your pocket Solar USB Charging Charge your USB devices without paying a cent for electricity Hot Water Solar System Diverter Get the most out of your solar panels – this issue has the assembly and testing instructions ...and much more in this issue! SpaceX THEIR LATEST DEVELOPMENTS, INCLUDING STARSHIP