Category Archives: Raspberry Pi
Touchscreen on Raspberry PI, to show key performance data
A tiny touchscreen on portable Raspberry PI (RPI) might be very helpfull for showing sensor values or key performance data like memory, CPU level or disk space left. My intention is to build a portable air quality monitoring tool based … Continue reading
Posted in Anvanced Tools, DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Innovation and new tech, Internet of Things and M2M, Raspberry Pi, Tests, Tips, Tools
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Utilizing color in ssh session (example with Android)
When using ssh to connect to “small” devices like android or raspberry, one might not have an option to install several packages. In those scenarios one can reuse the existing command line tools that are often included. This tip is … Continue reading
Posted in Android, Anvanced Tools, Raspberry Pi, Tips, Tools, Troubleshooting
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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
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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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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
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Fritzing, tool for documenting Raspberry Pi projects
Fritzing is an open source tool, which is great for documenting your Raspberry Pi projects. Their library contains several electronic parts, and if needed, one can create own components too. For advanced usage, one can even order PCBs (Printed Circuit … Continue reading
Posted in Anvanced Tools, DIY, For Fun or Interest, Hobbies and Other Interests, Innovation and new tech, Internet of Things and M2M, Raspberry Pi, Robotics, Tools
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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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