This is only a preview of the July 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. Items relevant to "20A DC Motor Speed Controller":
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FOR SALE
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KIT ASSEMBLY & REPAIR
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DAVE THOMPSON (the Serviceman
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Email dave<at>davethompson.co.nz
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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
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siliconchip.com.au
Australia’s electronics magazine
July 2021 111
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