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| Legacy Projects |

January 2010

Remote Control Mains Switch; UHF Remote Transmitter; Playback Adapter for CDROM Drives (Part 2); 12-24V High Current Motor Speed Controller (Part 2); Teach-In 2010 (Part 3) Ladder Logic Programming for the PICmicro - Timers & Shift Registers; PIC ‘n’ MIX, Part 4 of RTOS (Real Time Operating Systems); Circuit Surgery – transistors as switches. More details...

 

April 2010

Alternative 12V 10A Power Supply float charger and 12V emergency power supply; PIC Water Tank Level Alert (Part 1); USB Power Injector for External Hard Drives; LM3909 Replacement Module; Teach-In 2010 (Part 6) Ladder Logic Programming For the PICmicro – customising and extending the software; Circuit Surgery – driving LEDs with a ULN2003A driver chip. PIC n MIX - the Propeller Processor. More details...

 

July 2010

Swimming Pool Alarm; DSP Musicolour (Part 3); “ColdAlert” Hypothermia Alarm; How To Solder Surface Mount Devices; Circuit Surgery - operation of regulator-based circuits is described, including LDO (low dropout types) and more. Practically Speaking - dedicated to practical workshop advice ; Net Work – our Online Editor compares popular satnav systems with the launch of Google Navigation. More details...

 

 

 

October 2010

Railpower IV Model train/ railroad controller (Part 1);LED Strobe & Tachometer (Part 1); Replacement CDI Module for small petrol engines; Bridge Adaptor for stereo power amplifiers doubles the power; Circuit Surgery Total Harmonic Distortion (THD) cont’d. PIC n MIX - a Propeller-based Internet computer. Interface  for PC users – more serial interface topics. More details...

 

February 2010

Working Days Alarm Clock; Charge Controller for 12V lead acid chargers; Low cost LPT-I2C Interface for debugging; Propeller Demo Board Review; Rapman 3D Printer; PIC n MIX - commercial video modules; Interface USB-Serial conversion; Teach-In 2010 (Part 3) Ladder Logic Programming for the PICmicro - Counters & PWM Waveforms; More details...

 

May 2010

Low Cost Programmer for dsPICs and PICs; DSP Musicolour Light Show (Part 1);  PIC-based Water Tank Level Meter (Part 2); Matrix Multimedia MIAC Review; Circuit Surgery – explaining Decibels, telling you everything you need to know in a clear and concise manner; PIC n MIX review of the Chameleon PIC 16-bit development kit; Net Work – the Internet column – highlights the quiet rollout of Google Street View. More details...

 

August 2010

PIC Flexitimer; Ultra Low Distortion 200W power amplifier (Part 1); DSP Musicolour Part 4 - Remote Control; Special feature: Making your own PCBs; UV Light box for PCBs; PIC n MIX - the Propeller processor; Interface – for PC users - Visual Basic 2010; Net Work - anti virus packages that fail to detect a potential threat; Circuit Surgery - potential dividers, and Thévenin’s Theorem. More details...

 

 

 

 

November 2010

Teach-In 2011 (Part 1) – A broad-based introduction to electronics; USB Clock with LCD Readout (Part 1); LED Strobe and Tachometer (Part 2); Railpower IV (Part 2); Microphone PreAmp for PCs and MP3 Players; Circuit Surgery – Fast Fourier Transform and LTSpice. Practically Speaking -  advice about essential electronic handtools. Net Work – better networking for job-seekers and ways to save money using Internet-related services. More details...

March 2010

High-Accuracy Digital LC Meter; 2-Way Stereo Headphone Adaptor; Shift Indicator & Rev Limiter for Cars; Teach-In 2010 (Part 5) Ladder Logic Programming for the PIC Micro – Advanced programming and interfacing Techniques; PIC n MIX - software development. More details...

 

 

 

 

June 2010

PIC-based Musical Tuning Aid; DSP Musicolour (Part 2); PIC-based Water Tank Level Meter Telemetry Base Station (Part 3); Recycle It!; PICkit 3 Debug Express Review; Circuit Surgery –  smart battery monitoring; Interface - USB to parallel output interfacing;

Net Work - privacy concerns surrounding Google Street View;

TechnoTalk. More details...

 

 

 

September 2010

Planet Jupiter Receiver - superhet SW receiver for basic radio astronomy; Ultra Low Distortion 200W power amplifier (Part 2); Vehicle Low-Voltage Adjustable Regulator; Balanced/ Unbalanced Converter for audio work; Circuit Surgery –Total Harmonic Distortion explained; Recycle-It – build a high power fan cooled 5V / 12V power supply from an old computer PSU. Practical Speaking how to build stripboard circuits;  Net Work – getting started with Twitter. More details...

 

December 2010

Digital RF Level and Power Meter; Multi-purpose Car Scrolling Display (Part 1); 12V Motor Speed Controller / 12V Lamp Dimmer; USB Clock with LCD Readout (Part 2); Teach-In 2011 (Part 2) – a broad-based introduction to electronics - ‘discrete’ electronic components; Recycle It! – on HID headlights;  Circuit Surgery - using LT Spice to display useful spectra. PIC n MIX - a PS/2 keyboard and mouse interface for Propeller; Net Work – anti virus programs. More details...

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