Today we will get started with the ESP32, a lowcost and extremely versatile microcontroller with integrated WiFi and Bluetooth. I’ll show you how to set up your Arduino IDE for the ESP32 and then we’ll try out several example sketches.

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I apologize for the delay in getting another video out for you, the current situation has greatly impacted me as I’m sure it has you. Please stay safe and isolate!

After many requests, I am finally bringing the ESP32 into the workshop, and it’s here to stay I’ll be doing a lot of ESP32 projects going forward. And when you see all of the features that this incredible microcontroller has I’m sure you see why!

The ESP32 is a microcontroller from Espressif Systems that has a wealth of features, including multiple I/O ports, analog inputs AND outputs, WiFi, Bluetooth and BLE, touch switches, timers, and realtime clocks, and much more.

This inexpensive processor is available on a number of modules, some of which include displays, microSD card sockets or even cameras.

Today we will get started using the ESP32. And the first thing we will do is set up our Arduino IDE to add the ESP32 boards to it.

After we get our programming environment ready we'll write the obligatory “hello world” program, which for microcontrollers is the good old Blink sketch. You’ll see how uploading code to the ESP32 differs from the Arduino AVR boards we are used to using.

After that, we will go through some of the many example sketches that get installed with the ESP32 board manager, including examples for WiFi and Bluetooth.

It’s a long video (like always LOL) so here’s a breakdown if you want to skip directly to a specific section:

0:00 Intro
1:56 ESP32 Introduction
6:11 ESP32 Boards
10:24 Setting up the Arduino IDE
12:33 ESP32 Hookup
14:10 ESP32 Blink Sketch
19:04 WiFi Introduction
21:05 WiFi Scanner
24:23 WiFi Access Point
26:51 WiFi Simple Server
30:09 Bluetooth Introduction
31:20 Serial to Serial Bluetooth
34:37 Simple Time
39:17 Hall Sensor
40:48 LED Software Fade
42:27 Repeat Timer
43:40 Touch Read

You can use just about any ESP32 board with these experiments, and the only other components you’ll need are an LED (with dropping resistor), a pushbutton switch and something metal to use as a touch sensor.

Incidentally, this video subject was suggested to me as the result of a poll on the DroneBot Workshop Forums. If you want to have a say in the content for future videos and articles the forum is the place to go! Just visit https://forum.dronebotworkshop.com'>https://forum.dronebotworkshop.com and join in the conversation!

This is just the first of many ESP32related videos, so be sure to subscribe for more!

I hope you enjoy the video and please stay inside and stay safe!

Bill