Bicycle odometer with ESP-12

The idea is to make a Bicycle odometer with ESP-12 (ESP8266MOD), a chip that would allow us to create an app to verify the bicycle speed. I plan to measure the speed of the bicycle in km/h (kilometers per hour) using a reed switch sensor and a magnet on the wheel.

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3D Printed Electronics Breadboard

Does it make sense to make your own breadboards rather than purchasing off the shelf ones? As [Chuck Hellebuyck] notes in a recent video on DIY, 3D-printed breadboards, there’s a certain charm to making a breadboard exactly the size you need, which is hard to argue with.

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Ethernet History Deepdive – Why Do We Have Different Frame Types?

In my previous post Encapsulation of PDUs On Trunk Ports, I showed what happens to PDUs when you change the configuration of a trunk. You may have noticed that there are typically three different types of Ethernet encapsulations that we see:

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