May 2021
Intermediate to advanced
322 pages
5h 24m
English
In the previous chapters, we learned how to write to the serial port and how to monitor the serial port on our computers. Furthermore, we learned how to write drivers for components, which have not yet been implemented by the TinyGo community, and we used this knowledge to write a driver for a 4x4 keypad and a servo motor in Chapter 3, Building a Safety Lock Using a Keypad.
We are now going to build on top of this knowledge in this chapter by introducing a new type of pin and we are going to build an automated plant watering system using some new devices. We will be able to pump water from a container into a plant's soil, measure the soil's moisture, check the water level of a container, and let a ...