Building IoT Application Using ESP32 And Micropython In 10 Steps

Building IoT Application Using ESP32 And Micropython In 10 Steps

December 16, 2022 434 Views


Topics: Projects, Devices, IoT ESP, Network Tech

Transcript Excerpt

There are many different boards available for esp8266 microcontrollers; however, there are few that specialists generally utilize for their projects. Because the esp8266-based boards all contain up to four mega flashes, the current versions forming the flash 80-megahertz processor, the boards are all extremely comparable development boards with integrated Wi-Fi. The panels all work on 3.3-volt logic, which is different from, for instance, Arduino logic, which is usually 5-volt logic; thus, users must change parts of their circuits and programmes to account for this. The boards feature up to 11 digital i/o pins, whereas other devices have 9 or 10. Pin 11 only has one analogue ADC pin, which is a bit of a limitation if users are doing stuff with a lot of different analogue sensors. Still, for other simple projects that only deal with one sensor at a time, users can connect more sensors using something like an i2c bus so one can work around it, or users could connect an external ADC if needed. These boards are ideal for hobbyist projects and prototyping since they contain a good number of exposed pins and are all intended to fit right into a breadboard to make it easy to work with. The boards and devices also technically support ITC and SPI; however, there is just software ITC on these boards, which is sufficient for prototyping. Specialists are using the Adafruit ESP board because it has an inbuilt lithium battery charger, which makes it simple for consumers to construct a small standalone gadget. Users can just put in the battery, which charges via the micro-USB connector, making it ideal for prototyping without worrying about power needs. The pin arrangement on that board is not particularly legible, but it is representative of the others. Moreover, users have multiple i/o pins on one side and things like the 5 volts and that type of thing on the other side, so the standard approach that professionals use when working on constructing the projects are listed as follows. First, specialists figure out how to communicate with the gadgets; thus, Internet of Things devices are extremely interactive, and the boards are made for demonstrating or collaborating with pupils. As a result, professionals consider how one wants devices to operate and what one wants to achieve with equipment. It’s relatively simple in terms of the circuit and code, but the interactions are what matter. It needs to have the personality to engage the user and make them want to conduct workouts. So, once users have defined how they want it to feel, they must figure out what components they want and what board they require. Experts often construct the circuit by just connecting it in the various components and deciding which pins they should go on, and then writing software for each individual component to get it running separately in sort of a modular approach. So, for projects with a buzzer, a button, some LEDs, and a screen, it would entail building programs for each of things.