We now take a look at the TWI/I2C API responsible for data transfer. The header file https://github.com/zeuzoix/sardine/blob/master/twi.h[twi.h] has the prototype. We'll take a look at the arguments and their description now
In the first part we went through a brief introduction of the DS1307 chip. We know the DS1307 can be programmed via the I2C bus i.e SDA and SCL. Through I2C we should be able to address the registers of this chip and write and read data based on our application description.
You're developing a product and you need it to track time even when the power is switched off, what do you use? A real-time clock.
I've been going through various sources trying to figure out what the Electronic DIY community uses to develop LED cubes, RC controlled cars, etc.