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Coming up in Silicon Chip Advertising Index 4DOF Motorised Chair for Simulators AEE Electronex......................... 11 Motorised chairs can be used to increase realism in racing and flight simula­ tors, but they’re expensive. This article shows you how to build your own from scratch, including a Micromite-based motor controller interface which connects to your PC via USB and is compatible with a wide range of software. Altronics...............................82-85 Fluid logic and microfluidics Cypher Research Labs............... 6 While most digital and analog logic is electronic, similar systems have been built using fluid (liquid or gas) flows. You may be surprised to find out how many devices have been built and how advanced they can be. Dr David Maddison looks at the history and state-of-the-art in fluid logic, also known as fluidics. Dave Thompson...................... 111 Micromite LCD BackPack V3 Embedded Logic Solutions......... 8 This new Micromite BackPack is still cheap and easy to build, but now sup­ ports larger touchscreens, plus has onboard provision for a real-time clock, temperature, pressure and humidity sensors, an infrared receiver and even more useful functions! Emona..................................... IBC Ampec Technologies................. 23 Control Devices........................... 7 Digi-Key Electronics.................... 3 Electrolube................................ 10 Hare & Forbes....................... OBC Jaycar............................ IFC,53-60 Keith Rippon Kit Assembly...... 111 Quantum Cellular Automata It is becoming harder to design faster CMOS-based chips, but this new tech­ nology could offer the solution. While QCA chips have not yet been manufac­ tured, they could potentially operate at very high speeds (into the terahertz) and with even higher density than the latest CMOS technology. LD Electronics......................... 111 Rechargeable LED bicycle light Microchip Technology.................. 5 This device uses a switchmode converter to drive a string of LEDs from a re­ chargeable lithium-ion battery pack. It has multiple light modes and automati­ cally reduces the LED current to prevent overheating. Six-way Stereo Audio Input Selector This can be built as a standalone unit, to switch between six different stereo au­ dio sources with an infrared remote or via illuminated front panel pushbuttons. Or it can be integrated into our ultra-low-noise remote controlled preamp from the March and April issues, expanding the number of inputs from three to six. Note: these features are planned or are in preparation and should appear within the next few issues of Silicon Chip. The August 2019 issue is due on sale in newsagents by Thursday, July 25th. Expect postal delivery of subscription copies in Australia between July 24th and August 8th. LEACH Co Ltd........................... 39 LEDsales................................. 111 Ocean Controls......................... 13 PCB Designs........................... 111 PicoKit....................................... 71 Silicon Chip Shop...........104-105 Silicon Chip Subscriptions....... 52 The Loudspeaker Kit.com......... 12 Triple Point Calibrations............... 6 Tronixlabs................................ 111 Vintage Radio Repairs............ 111 Wagner Electronics................... 67 Wiltronics Research.................... 4 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 Competition & Consumer Act 2010 or as subsequently amended and to any governmental regulations which are applicable. 112 Silicon Chip Australia’s electronics magazine siliconchip.com.au