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Contents Vol.27, No.6; June 2014 SILICON CHIP www.siliconchip.com.au Features 14 Australian Electric Superbikes It’s only six months since we first brought you the story on these Australianbuilt electric superbikes. Now they’re ready to race again with significant improvements – by Andy Marsh & Ross Tester 18 Micsig MS510S Handheld Multifunction Oscilloscope Portable scope has two fully isolated inputs with 240k points memory and a fast update rate, a built-in DMM, 14.5cm colour touchscreen, data logging and optional serial bus decoding – by Nicholas Vinen 76 Fast Ethernet Connections Via 230VAC Mains Is your router’s WiFi too slow to run your smart TV? If you can’t use a direct Ethernet connection try using Ethernet power line adapters – by Leo Simpson The Majestic Loudspeaker System – Page 22. Pro jects To Build 22 The Majestic Loudspeaker System Everything about this superb loudspeaker system is impressive: size, power handling, efficiency, extremely wide frequency response and low distortion. And they sound absolutely brilliant – by Allan Linton-Smith 32 2-Way Passive Loudspeaker Crossover Network Developed specifically for the Majestic Loudspeaker System, this versatile design can also be customised and used anywhere a 2-way loudspeaker crossover network is required – by Nicholas Vinen 40 Touch-Screen Digital Audio Recorder, Pt.1 Want to record & play back audio with CD sound quality? This compact device records to & plays back hours of audio from a standard SD card and doubles as an SD card reader when connected to a PC via USB – by Andrew Levido 64 The Micromite: An Easily Programmed Microcontroller, Pt.2 This month, we show you how to control external devices. In particular, we detail infrared (IR) remote control and describe how to measure temperature, control a servo, interface to an LCD and keypad and much more – by Geoff Graham 2-Way Passive Loudspeaker Crossover Network – Page 32. Build This Touch-Screen Digital Audio Recorder – Page 40. 84 40V Switchmode/Linear Bench Power Supply, Pt.3 Final article shows you how to install the PCB into a case and modify the meters. It also gives the test and adjustment procedure – by Nicholas Vinen Special Columns 58 Serviceman’s Log Resurrecting a faulty car key fob – by Dave Thompson 80 Circuit Notebook (1) Modified SiDRADIO Has Exceptional Performance; (2) Micromite Clock Uses Analog Meters For The Time Display; (3) Arduino-Compatible Alarm Clock Has Large LED Dot Matrix Display 90 Vintage Radio The story of the RCA VoltOhmyst – by Kevin Poulter Departments   2 Publisher’s Letter   4 Mailbag siliconchip.com.au 38 Online Shop 57 Product Showcase 96 98 103 104 Subscriptions Ask Silicon Chip Market Centre Notes & Errata Controlling External Devices With The Micromite – Page 64. June 2014  1