Timers

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I2C – Inter-Integrated Circuit

I2C is a simple communication for connecting different devices which can have a different power supply. It is based on a master-slave relationship. This means that the master or masters (e.g. Arduino) are giving tasks to slaves (other devices) and demanding reports from them. In contrast to I2C there is a popular CAN protocol where …

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PWM read

This is a short continuation of an article about PWM. Here we will upgrade our knowledge and see how microcontrollers read PWM signals. There are some devices such as drone controllers that output a PWM signal which we would like to read. As mentioned in article about PWM, it works based on timers which control …

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PWM โ€“ Pulse width modulation

This article is actually from and about a robot called small bit 🙂 PWM is widely used in electrotechnics for lights, chargers, motors, generating different signals, etc. which are all present in robots as well. In short, PWM is a way of expressing analog values in the digital world. Fundamentals You have probably wondered how, …

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