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Practical Electronics Editorial offices Electron Publishing (Aust.) Tel +61 2 9939 3295 Unit 1, 234 Harbord Road Email pe<at>pemag.au Brookvale NSW 2100 Web www.electronpublishing.com Australia Address mail to: Electron Publishing (Australia) PO Box 194, Matraville NSW 2036 Australia Advertising enquiries +61 2 9939 3295 pe<at>pemag.au Editor Nicholas Vinen Publisher Nicholas Vinen Digital subscriptions Stewart Kearn Tel 01202 880299 Online Editor Alan Winstanley Web Systems Kris Thain Production Bao Smith Technical staff Tim Blythman, John Clarke Print subscriptions Practical Electronics Subscriptions PO Box 6337 Bournemouth BH1 9EH Tel 01202 087631 United Kingdom Email pesubs<at>selectps.com Volume 53. No. 10 October 2024 ISSN 2632 573X Editorial Updates on kits and the magazine Now that Silicon Chip Publications is producing this fine magazine, I decided that we should overcome the difficulties we have been having since 2021 in selling items like kits to customers in the UK. That was when the UK government decided to change VAT laws in a way that made it very difficult to sell to customers in the UK from outside. We made the necessary changes to our website and procedures to sell to UK customers in early July. Unfortunately, we are still waiting for the UK government to give us the go-ahead. It seems like a silly situation to be in, but we must follow the applicable laws. Unfortunately, that means waiting for the gears of officialdom to turn, and they turn very slowly... I apologise if any readers saw offers of kits in the September issue and have not been able to purchase them yet. Rest assured that you will be able to do so as soon as we are given the go-ahead. I hope that they will be available to purchase before this issue even reaches you; we shall see. Technical enquiries We regret that technical enquiries cannot be answered over the telephone. We are unable to offer any advice on the use, purchase, repair or modification of commercial equipment or the incorporation or modification of designs published in the magazine. Questions about articles or projects should be sent to the editor by email: pe<at>pemag.au Projects and circuits All reasonable precautions are taken to ensure that the advice and data given to readers is reliable. We cannot, however, guarantee it and we cannot accept legal responsibility for it. Some projects and circuits published in Practical Electronics employ voltages that can be lethal. Do not build, test, modify or fix any mains-powered equipment unless you fully understand the safety aspects involved and you use an RCD (GFCI) adaptor. Component supplies Silicon Chip Publications may offer kits or other parts for making our projects, but not in all cases. When kits are not available, readers will need to find and source parts themselves. We advise readers to check that all parts are still available before commencing any project in a back-dated issue. Advertisements Although the proprietors and staff of Practical Electronics take reasonable precautions to protect the interests of readers by ensuring as far as practicable that advertisements are bona fide, the magazine and its publishers cannot give any undertakings in respect of statements or claims made by advertisers, whether these advertisements are printed as part of the magazine, or in inserts. The Publishers regret that under no circumstances will the magazine accept liability for non-receipt of goods ordered, or for late delivery, or for faults in manufacture. Transmitters/bugs/telephone equipment We advise readers that certain items of radio transmitting and telephone equipment which may be advertised in our pages cannot be legally used in the UK. Readers should check the law before buying any transmitting or telephone equipment, as a fine, confiscation of equipment and/or imprisonment can result from illegal use or ownership. The laws vary from country to country; readers should check local laws. 2 Besides that ‘red tape’ delay, it seems that the changeover has gone pretty smoothly. Readers appear to have figured out the new online renewal process via our website. We have also spent quite a lot of time and effort trying to clean up the Practical Electronics online shop, which was missing quite a few items, had incorrect stock levels for various products etc. It’s still a work in progress but we feel that it’s in much better condition now than when we took over. I must thank Matt Pulzer of Electron Publishing for being very helpful in guiding me during this transition period. We have plenty of experience in publishing magazines, but each magazine has its own quirks and procedures and they would have been very difficult to navigate without the assistance we have received. You may notice that Net Work is considerably shorter in this issue that it has been in the past. Alan Winstanley has decided, after doing this for a long time, that he wants to cut back on the time he spends writing for PE. I’m happy he has decided to continue writing for us, even if it’s in a reduced capacity. Something is better than nothing! We have managed to fit an extra couple of articles in this issue on topics that I think PE readers will enjoy. Please feel free to send feedback (positive, negative or other) to the email address at the top of the sidebar. Nicholas Vinen, Electron Publishing (Australia)* Publisher & Editor, Practical Electronics Magazine * a division of Silicon Chip Publications Pty Ltd. Practical Electronics | October | 2024