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Contents Vol.39, No.07 July 2026 12 Soft Robots Part 1: p28 Soft robots are flexible and adaptable machines that are useful in many different roles, like performing delicate surgery, squeezing through rubble, or even just working in crowded environments. By Dr David Maddison, VK3DSM Robotics feature 38 T50 Robot Mop & Vacuum The Ecovacs DEEBOT T50 Pro Omni is one of the more advanced cleaning robots available today. It has some advanced mapping and navigation features. Review by Nicholas Vinen Automated cleaning robot 66 Making Simple Enclosures Off-the-shelf enclosures for projects can be expensive; they’re also usually not the exact size you’re looking for. So I came up with a way to make my own low-cost enclosures in any size. By Andrew Woodfield, ZL2PD Enclosures for projects Adjustable Ultrasonic Cleaner DEEBOT T50 Pro Omni Robot Mop & Vacuum 84 Altium Designer 2026 Each year brings a new major version of Altium Designer, the electronic design automation software that we use to produce our circuits and PCBs. This version improves wiring harness support, ActiveBoM & file importing. Review by Tim Blythman Software feature 28 Adjustable Ultrasonic Cleaner Rated at up to 40W, our Ultrasonic Cleaner is fully adjustable for frequency, power and duration. It can use a variety of baths ranging from 2.5L to 4L in volume, and it is powered from a 12-15V DC supply. Part 1 by John Clarke Cleaning project 50 Phenomenal Pinball Machine This series explains how to design and build every part of your own Pinball Machine. This month we cover the multiple PCBs and their respective circuit diagrams that control the Pinball Machine. Part 2 by Phil Prosser Gaming project 70 DCC Accessory Decoders These two accessory decoders are used to control fixed devices such as points and signals in a model railway layout. One design is for snap-type & slow-motion point motors, while the other works with servo-type motors. Part 8 By Tim Blythman Model train project 80 I2C Controller This I2C Controller makes programming our Accessory Decoders above a breeze. However, this is not its only use; you could connect it to other devices that need a simple user interface. Part 9 By Tim Blythman Model train project Page 38 2 Editorial Viewpoint 4 Mailbag 25 Subscriptions 47 Circuit Notebook 69 Online Shop 88 Serviceman’s Log 94 Vintage Radio 101 Ask Silicon Chip 103 Market Centre 104 Advertising Index 104 Notes & Errata 1. A 15V split-supply from 5V USB 2. 3-digit mini LCD module 3. Randomly-timed model traffic lights 4. Capacitive proximity sensor National R-72 “Toot-a-Loop” by Ian Batty