Archive | Logic Notes

PW Data Modes ESP8266 Correction

  PW Data Modes Fig 6 Corrected I made a mistake in the diagram pin numbering showing the serial connection to the Olimex ESP8266-DEV board. The ground should connect to pin 2 as shown using the numbering in the revised Fig.6. Apologies for the error,   Mike  

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Arduino Code for 0-500MHz, 1nW to 100W RF Power Meter

Here is the code for the Arduino in-line power meter that will feature in my Data Modes column in the August PW. Copy and paste the code below into your Arduino IDE: ————————————————————————————————————————– /* This sketch uses the Adafruit i2c/SPI LCD backpack and shares some code from Adafruit ( http://www.ladyada.net/products/i2cspilcdbackpack/index.html ) Sketch produced by Mike […]

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UKHASnet Update

One of the highlights of the 2014 RSGB Convention for me was the opportunity to meet James Coxon and see his presentation on the formation and development of UKHASnet. For those that haven’t come across it, UKHASnet is a relatively new and rapidly developing low power data network. Initially designed for use by the High […]

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New Free STM32 development Software

STM have recently announced a brand new visual development package for their STM32 range of embedded devices. I’ve been a fan of STM for some time as they produce excellent and powerful  development boards at very reasonable prices. The recently introduced Nucleo range are very powerful devices costing just under £8 each! Initialising these chips […]

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New Mbed supported STM32 Nucleo boards

The eagerly awaited collection of new Mbed boards have arrived from STM. The STM Nucleo range are budget priced, Cortex development boards with Arduino compatible shield connectors, integral ST-Link programmer and are fully supported on the Mbed development platform. If you haven’t encountered Mbed you’re missing a trick. Mbed is a free on-line IDE that […]

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Cypress System on Chip Entry Kit

System on a Chip (SoC) devices are becoming ever cheaper and represent a great way to develop micro controller apps with the minimum of external components. A typical SoC device comprises a micro controller core along with a stack of logic and analogue blocks that can be configured in firmware to create a specialist device. […]

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Papilio

If you are thinking of getting into FPGAs (Field Programmable Gate Arrays) it’s worth paying a visit to Gadget Factory’s Papilio project. Not only do they have some great value boards available but the new Schematic Library really helps you get going with minimal programming. The Schematic library provides computing modules that can be arranged […]

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CPLD Development Boards

I’ve been spending a lot of time recently playing with CPLDs (Complex Programmable Logic Devices). These are wonderful devices for the logic experimenter as you can build your own dedicated logic chips! I started by getting the excellent Guzunty Pi which is an excellent value board complete with software that allows you to load different […]

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