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Silicon Chip January 2014

In the January edition of Silicon Chip Electronics Magazine, build the new revised Bass Extender. This unit provides a much deeper bass out of your loadspeakers, extending the bass as much as an octave, with a bass response down to 20Hz. This unit uses readily available parts and is housed in an attractive professional case, construction is quite simple, with the project taking only 2-3 hours to complete. Also this month, for the Disco and Party enthusiasts, a new LED Party Strobe, this unit features a lot of improvements over previous designs, providing a new safer design with low power LED's in a sturdy case. For the constructors of the Porta Pal portable PA System, this month includes the construction details, with each of the pcb's covered and also connecting the various boards together. Finally this month, the final assembly of the Tiny Tim Stereo Amplifier with testing and setting up covered. All projects come complete with circuit diagram and electronic parts list.

This month's features include an interesting look at developing a fuel injection unit for small engines, this unit uses an Arduino board to control a small 4-stroke engine, making the design ideal for use with lawn mowers and go-karts. The unit increases the power and performance of these small engines. Also in this month's features, a quick look at the Sydney Mini Maker Faire and a review of the new Rigol 4-Channel Digital Storage Oscilloscope. All the regular columns, including the Circuit Notebook, Serviceman's Log and Vintage Radio are included, providing stacks of great reading.

Part Code: SILCHIPJAN2014


  • Arduino Controlled Fuel Injection for Small Engines
  • The Sydney Mini Maker Fair
  • Review: Rigol Digital Storage Oscilloscope


  • LED Party Strobe
  • Bass Extender Mk2 for HiFi Systems
  • PortaPAL-D: A Powerful, Portable PA System, Part 2
  • “Tiny Tim” 10W/Channel Stereo Amplifier, Part 3

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