Items relevant to "Ultra low noise remote controlled stereo preamp, Pt.1":
Articles in this series:
Items relevant to "Our new DAB+ Tuner with FM and AM – Part 3 ":
Articles in this series:
Items relevant to "Touch controlled all-diode checker and plotter":
Items relevant to "Versatile Trailing Edge Dimmer – Part 2 ":
Articles in this series:
Items relevant to "El Cheapo Modules 23: Galvanic Skin Response":
Articles in this series:
-
El Cheapo Modules From Asia - Part 1 (October 2016)
-
El Cheapo Modules From Asia - Part 1 (October 2016)
-
El Cheapo Modules From Asia - Part 2 (December 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 3 (January 2017)
-
El Cheapo Modules from Asia - Part 4 (February 2017)
-
El Cheapo Modules from Asia - Part 4 (February 2017)
-
El Cheapo Modules, Part 5: LCD module with I²C (March 2017)
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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 6: Direct Digital Synthesiser (April 2017)
-
El Cheapo Modules, Part 7: LED Matrix displays (June 2017)
-
El Cheapo Modules, Part 7: LED Matrix displays (June 2017)
-
El Cheapo Modules: Li-ion & LiPo Chargers (August 2017)
-
El Cheapo Modules: Li-ion & LiPo Chargers (August 2017)
-
El Cheapo modules Part 9: AD9850 DDS module (September 2017)
-
El Cheapo modules Part 9: AD9850 DDS module (September 2017)
-
El Cheapo Modules Part 10: GPS receivers (October 2017)
-
El Cheapo Modules Part 10: GPS receivers (October 2017)
-
El Cheapo Modules 11: Pressure/Temperature Sensors (December 2017)
-
El Cheapo Modules 11: Pressure/Temperature Sensors (December 2017)
-
El Cheapo Modules 12: 2.4GHz Wireless Data Modules (January 2018)
-
El Cheapo Modules 12: 2.4GHz Wireless Data Modules (January 2018)
-
El Cheapo Modules 13: sensing motion and moisture (February 2018)
-
El Cheapo Modules 13: sensing motion and moisture (February 2018)
-
El Cheapo Modules 14: Logarithmic RF Detector (March 2018)
-
El Cheapo Modules 14: Logarithmic RF Detector (March 2018)
-
El Cheapo Modules 16: 35-4400MHz frequency generator (May 2018)
-
El Cheapo Modules 16: 35-4400MHz frequency generator (May 2018)
-
El Cheapo Modules 17: 4GHz digital attenuator (June 2018)
-
El Cheapo Modules 17: 4GHz digital attenuator (June 2018)
-
El Cheapo: 500MHz frequency counter and preamp (July 2018)
-
El Cheapo: 500MHz frequency counter and preamp (July 2018)
-
El Cheapo modules Part 19 – Arduino NFC Shield (September 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 20: two tiny compass modules (November 2018)
-
El cheapo modules, part 21: stamp-sized audio player (December 2018)
-
El cheapo modules, part 21: stamp-sized audio player (December 2018)
-
El Cheapo Modules 22: Stepper Motor Drivers (February 2019)
-
El Cheapo Modules 22: Stepper Motor Drivers (February 2019)
-
El Cheapo Modules 23: Galvanic Skin Response (March 2019)
-
El Cheapo Modules 23: Galvanic Skin Response (March 2019)
-
El Cheapo Modules: Class D amplifier modules (May 2019)
-
El Cheapo Modules: Class D amplifier modules (May 2019)
-
El Cheapo Modules: Long Range (LoRa) Transceivers (June 2019)
-
El Cheapo Modules: Long Range (LoRa) Transceivers (June 2019)
-
El Cheapo Modules: AD584 Precision Voltage References (July 2019)
-
El Cheapo Modules: AD584 Precision Voltage References (July 2019)
-
Three I-O Expanders to give you more control! (November 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: “Intelligent” 8x8 RGB LED Matrix (January 2020)
-
El Cheapo modules: 8-channel USB Logic Analyser (February 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 (May 2020)
-
New w-i-d-e-b-a-n-d RTL-SDR modules, Part 2 (June 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 Volt/Amp Panel Meters (December 2020)
-
El Cheapo Modules: Mini Digital AC Panel Meters (January 2021)
-
El Cheapo Modules: Mini Digital AC Panel Meters (January 2021)
-
El Cheapo Modules: LCR-T4 Digital Multi-Tester (February 2021)
-
El Cheapo Modules: LCR-T4 Digital Multi-Tester (February 2021)
-
El Cheapo Modules: USB-PD chargers (July 2021)
-
El Cheapo Modules: USB-PD chargers (July 2021)
-
El Cheapo Modules: USB-PD Triggers (August 2021)
-
El Cheapo Modules: USB-PD Triggers (August 2021)
-
El Cheapo Modules: 3.8GHz Digital Attenuator (October 2021)
-
El Cheapo Modules: 3.8GHz Digital Attenuator (October 2021)
-
El Cheapo Modules: 6GHz Digital Attenuator (November 2021)
-
El Cheapo Modules: 6GHz Digital Attenuator (November 2021)
-
El Cheapo Modules: 35MHz-4.4GHz Signal Generator (December 2021)
-
El Cheapo Modules: 35MHz-4.4GHz Signal Generator (December 2021)
-
El Cheapo Modules: LTDZ Spectrum Analyser (January 2022)
-
El Cheapo Modules: LTDZ Spectrum Analyser (January 2022)
-
Low-noise HF-UHF Amplifiers (February 2022)
-
Low-noise HF-UHF Amplifiers (February 2022)
-
A Gesture Recognition Module (March 2022)
-
A Gesture Recognition Module (March 2022)
-
Air Quality Sensors (May 2022)
-
Air Quality Sensors (May 2022)
-
MOS Air Quality Sensors (June 2022)
-
MOS Air Quality Sensors (June 2022)
-
PAS CO2 Air Quality Sensor (July 2022)
-
PAS CO2 Air Quality Sensor (July 2022)
-
Particulate Matter (PM) Sensors (November 2022)
-
Particulate Matter (PM) Sensors (November 2022)
-
Heart Rate Sensor Module (February 2023)
-
Heart Rate Sensor Module (February 2023)
-
UVM-30A UV Light Sensor (May 2023)
-
UVM-30A UV Light Sensor (May 2023)
-
VL6180X Rangefinding Module (July 2023)
-
VL6180X Rangefinding Module (July 2023)
-
pH Meter Module (September 2023)
-
pH Meter Module (September 2023)
-
1.3in Monochrome OLED Display (October 2023)
-
1.3in Monochrome OLED Display (October 2023)
-
16-bit precision 4-input ADC (November 2023)
-
16-bit precision 4-input ADC (November 2023)
-
1-24V USB Power Supply (October 2024)
-
1-24V USB Power Supply (October 2024)
-
14-segment, 4-digit LED Display Modules (November 2024)
-
0.91-inch OLED Screen (November 2024)
-
0.91-inch OLED Screen (November 2024)
-
14-segment, 4-digit LED Display Modules (November 2024)
-
The Quason VL6180X laser rangefinder module (January 2025)
-
TCS230 Colour Sensor (January 2025)
-
The Quason VL6180X laser rangefinder module (January 2025)
-
TCS230 Colour Sensor (January 2025)
-
Using Electronic Modules: 1-24V Adjustable USB Power Supply (February 2025)
-
Using Electronic Modules: 1-24V Adjustable USB Power Supply (February 2025)
Purchase a printed copy of this issue for $10.00.
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SILICON
SILIC
CHIP
www.siliconchip.com.au
Editor Emeritus
Leo Simpson, B.Bus., FAICD
Publisher/Editor
Nicholas Vinen
Technical Editor
John Clarke, B.E.(Elec.)
Technical Staff
Jim Rowe, B.A., B.Sc
Bao Smith, B.Sc
Tim Blythman, B.E., B.Sc
Technical Contributor
Duraid Madina, B.Sc, M.Sc, PhD
Art Director & Production Manager
Ross Tester
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Phone (02) 9939 3295
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PhD, Grad.Dip.Entr.Innov.
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Silicon Chip is published 12 times
a year by Silicon Chip Publications
Pty Ltd. ACN 626 922 870. ABN 20
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ISSN 1030-2662
* Recommended & maximum price only.
Editorial Viewpoint
We all deserve a right to repair
In the December 2018 issue, I lambasted the European Union public service for penalising Google for
anti-competitive practices. I argued that Google did
more to promote competition than stifle it.
Well, this time I am going to say something nice
about the EU. I applaud their new legislation giving
consumers and business a “right to repair” the goods
that they purchase. It is heartening to see that some
people in the EU feel so strongly about this that they
organised protests when it looked like the legislation might not be passed!
Several US states also have similar laws, mainly in reaction to various companies abusing the 1998 DMCA copyright act in an attempt to prevent people
from fixing their own equipment. In case you are not aware, the US/Australian
“free trade agreement” (AUSFTA) of late 2017 had the result of making many
of the provisions of the US DMCA into Australian law. So it affects us too.
The reason why companies make devices hard to repair can be summed up
in one word: money. If you can’t repair your product, you’ll either have to buy
a new one or use their expensive repair service. Either way, they make out like
bandits. And they can do all sorts of things to prevent repairs – encrypt software, use parts with restricted supply, refuse to provide service manuals etc.
But as the people promoting this new EU law have helpfully pointed out,
this is a very wasteful practice, resulting in a lot of equipment being thrown
away which could otherwise be repaired. And it’s also a waste of money for
consumers.
You only have to read this month’s Serviceman column for a good example. The manufacturer wanted to charge $2000 for a new part when our correspondent was able to repair it with a $70 replacement LCD screen and a bit
of knowledge and patience. See the following (short) related article: http://
siliconchip.com.au/link/aanl
My biggest concern with manufacturers making it difficult for their products to be repaired is not so much the expense, but the idea that once they
decide it’s no longer worthwhile for them to offer a repair service for a particular product, you will have no recourse if yours breaks.
Motor vehicles are of particular concern. If you own a classic car from the
60s (say), you will generally not have much trouble fixing it if it breaks. You
may have some difficulty getting new parts, but there are many companies
which step in to supply replacement parts when the originals are no longer
being made. So they generally are available.
But imagine if you have a classic car from the 2010s still running in 2050
(assuming we’re still allowed to drive then!) and one of its many computers
fails. Even if you can replace the parts which are broken, can you still get the
required software? And what if you do manage to fix it, only to find that other
computers in the vehicle detect the change and refuse to operate?
I would like to see manufacturers release all proprietary information about
electronic and mechanical devices once they no longer offer a repair service.
That includes circuit diagrams and required firmware. This information should
be sufficient for a qualified third party to fix any fault. After all, if they are no
longer supporting their product, they have effectively abandoned it.
Hopefully, we will get a “right to repair” in Australia some time soon!
For more information on the new EU legislation, see: siliconchip.com.au/
link/aann
And for general information about the movement, see: siliconchip.com.
au/link/aano
Printing and Distribution:
Nicholas Vinen
Derby Street, Silverwater, NSW 2148.
4
Silicon Chip
Australia’s electronics magazine
siliconchip.com.au
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