Category Archives: Gadgets
Simple LED detector for RFID or NFC of 13MHz, without any battery
Triggered by experience with “Raspberry and RFID reader/writer, first test “, I tested a simple LED RF detector idea that can be found in “RFID detector” and “RFID Reader Detector and Tilt-Sensitive RFID Tag “. For 13Mhz RFID/NFC, the LED … Continue reading
Posted in DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Internet of Things and M2M, Raspberry Pi, Recommended Free Tools, Tests
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Raspberry and RFID reader/writer, first test
An RFID system is always made up of two components: the transponder, Proximity Integrated Circuit Card (PICC) the detector or reader , Proximity Coupling Device (PCD) The RFID reader/writer (13.56MHz) RF522 for arduino can be used in Raspberry. In this … Continue reading
Posted in DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Internet of Things and M2M, Raspberry Pi, Robotics, Tests
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Car on-board diagnostics (ODB II) with android, first tests
Short version With an android phone and ODB adapter one can get access to the standardized diagnostic interface(s) of a car. I bought an ODB II bluetooth adapter to find out what information is available from a car. With a … Continue reading
Posted in Android, DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Internet of Things and M2M, Tests, Tools
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Raspberry Pi and physical interfaces, part 2
This blog continues from the previous blog Raspberry Pi and physical interfaces. Case: GPIO with 1 LED output and 2 inputs First the push button & LED example is modified to include also another input, a hall switch. For the … Continue reading
Posted in DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Innovation and new tech, Internet of Things and M2M, Raspberry Pi, Tests
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Raspberry Pi and physical interfaces
Raspberry Pi contains several GPIO pins, which can be used as digital input or outputs (GPIO = General-purpose input/output). For example, if GPIO4 is defined as output, then setting the output value to 1 provides 3.3V into that physical pin … Continue reading
Posted in DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Innovation and new tech, Internet of Things and M2M, Raspberry Pi, Tests, Tips
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Raspberry Pi as security device, first look on IPFire
Raspberry Pi is an interesting candidate for a low cost, low power, small and open source based security device to be used at small office or at home office (SOHO), or for protecting your home automation… However, some preconcerns were … Continue reading
Posted in Anvanced Tools, DIY, Gadgets, Network Monitoring, Protection, Raspberry Pi, Recommended Free Tools, Security Products and Solutions, Tests, Tips
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Raspberry Pi camera and telescope, first tests
I got B+ model of the Raspberry Pi as christmas gift. Then I saw the size of the camera module, and I just had to go and buy one. I have been testing different webcam and digital camera setups with … Continue reading
Posted in Anvanced Tools, Audio and Video, For Fun or Interest, Gadgets, Hobbies and Other Interests, Innovation and new tech, Raspberry Pi, Robotics, Tests
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