Invidious

I2C for Beginners

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Lonely Binary | 12 videos | Updated 4 days ago
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A 12-lesson beginner course on the I2C bus, told through one maker's aquarium: why a bus, who starts the talk, the clock, addresses, scanning, address clashes, registers, a whole read, and pull-ups from why to how many, to 5 V and 3.3 V. Read every lesson and try it in 3D and VR: learn.lonelybinary.com/fundamentals/i2c

3:32

I2C Bus explained: why 20 sensors need only 2 pins

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2:51

I2C Controller and Target explained: why a sensor waits to be asked

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2:41

I2C Clock explained: what SCL is for, and why a sensor needs no clock

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2:38

I2C Addresses explained: how a message finds its chip

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2:24

I2C Scanner explained: ACK, NACK, and finding a missing module

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2:49

I2C Address Clash explained: two chips, one address, no error

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2:18

I2C Registers explained: why your sensor reads 80 degrees

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2:38

I2C Read explained: START to STOP, and two bytes into degrees

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2:48

I2C Pull-up Resistors explained: why nothing answers without them

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2:50

I2C Pull-up Value explained: 4.7k or 2.2k, and why

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2:37

I2C Too Many Pull-ups explained: why the sixth module breaks the bus

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2:55

I2C 5V to 3.3V explained: why you need a level converter

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