The ESP32 is a System on Chip (SoC) designed by Espressifs systems that can be used to add both Wi-Fi and Bluetooth functionality to projects. It is ideal for the development of mobile devices, IoT applications and wearable electronics due to its wireless capabilities and smart power management among other features. Since the ESP32 SoC comes in the form of a surface mount chip or module, it is not easy to use for prototyping in its barebones state. That is why it is advisable to use an ESP32 breakout board when developing your projects.
To access all the features on the ESP32, one must have access to all its pins. The ESP32 breakout boards make this possible by providing a breadboard-friendly pin configuration that developers can use to easily interface the ESP32 with other devices and components. In addition to this, the breakout boards provide all additional circuitry that the ESP32 needs to function. All these things expedite the prototype development process, reducing the cost and time it takes to build a project using the ESP32 SoC.
This ESP32 breakout board review will analyze several popular ESP32 breakout boards that are available in the market. It will also provide an insight into what to look for when selecting a breakout board. With this information, you will be able to purchase an ESP32 board that serves all your needs.
HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board
The HiLetgo ESP-32S is
a superb development board for IoT projects. The board is built around the
ESP-WROOM-32 System on Chip (SoC) and has all the supporting circuitry needed
for the ESP32 chip to run. It fits snugly onto a breadboard giving you access
to all the pins for faster project development.
ESP32 thing is a development platform for the ESP32 SoC. It has the basic Bluetooth
and Wi-Fi wireless capabilities that the ESP32 SoC provides as well as a
USB-UART interface and a Lipo battery charging circuit. With these features,
you can easily program and set up a remote battery-powered IoT device.
The Makerfocus ESP32 DevKit is a
low-footprint, system development board based on the ESP-WROOM-32 SoC. It comes
with the basic support circuitry for the ESP-WROOM-32, which makes powering and
programming of the board an easy task. All you need to do is mount it on a
bread board and you are good to go.
4.5 out of 5
In the ESP32 Boards category
Our #3 Rated
What to look for in ESP32 Breakout Boards
There are several things that you should check for when purchasing an ESP32 breakout board. One of those things is the pin configuration of the board. To be able to utilize all the features of the ESP32 chip you need access to all its pins. Therefore, confirm whether the pin spacing and layout of the breakout board are compatible with the rails of a breadboard. In other words, is the pin configuration breadboard-friendly?
Another thing to check out for is the additional circuitry on the board. The ESP32 chip needs some extra circuitry for it to be programmed and powered successfully. This circuitry is usually available on the breakout board. You should make sure that the ESP32 breakout board has a USB-to-UART interface, a voltage regulation circuit and access to the reset and boot features preferably via pushbuttons.
Those are some of the considerations you should make when selecting an ESP32 board. If your breakout board meets the above requirements you will be assured of a fast and successful project development process.
HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board
breakout board is designed to offer embedded system developers access to all
the features of the ESP-WROOM-32 SoC. You can use it to build prototypes for
projects that require Bluetooth connection or projects based on the Internet of
Things. It is ideal for professionals as well as beginners since it is easy to
setup and program, thanks to the additional essential components that it comes
Interfacing the HiLetgo
ESP-32S breakout board with other devices and peripherals is an easy task. This
is because of its breadboard-friendly pin configuration. When mounted on a
breadboard, the ESP-32S leaves an empty row on either side of the board,
providing access to all of its pins. On the down side, due to its smaller size,
the pin numbers are provided on the bottom part of the board. So, it is not
easy for one to identify the pin numbers when the ESP-32S is mounted on a
Programming of the
ESP-32S board is done via a USB cable, thanks to the CP2102 USB Bridge that is
available on the board. The board can be programmed using NodeMCU Lua and there
are several resources provided to guide you on how to get started. The
resources provide information on how to build
for ESP32, flashing
and the Lua SDK. These
resources are provided by the company that has designed the ESP-32S breakout
board. This saves time that would have been spent searching online for
Sparkfun ESP32 thing is a breakout board
designed by Sparkfun electronics for the ESP32 SoC. It is an ideal board for
the development of Wi-Fi and Bluetooth enabled prototypes. The ESP32 thing has
all the required circuitry on-board to aid in the programming of the ESP32 SoC
and interfacing of other peripheral devices to it.
USB to UART interfacing is achieved with an
FTDI231x chip, allowing easy programming of the ESP32 chip. There is also a
reset and boot button that can be used when flashing new firmware onto the
ESP32 chip. Prototyping is further made simpler by the breadboard-friendly pin
configuration. Even after mounting the ESP32 thing onto a breadboard, you will
be left with two empty rows of breadboard rails on either side of the ESP32
thing. This allows easy access to the pins when interfacing with other devices
The ESP32 Thing also comes with a Lipo
battery charging circuit and connector. A Lipo battery can be connected to the
board to provide power especially if the device is to be installed in a remote
location. The charging circuit charges the connected battery whenever a USB
cable is plugged onto the board. Due to the ESP32 low power consumption and
sleep mode capability, the thing would be able to last for a long time on
battery power. Also, batteries with a larger capacity can be used to achieve
longer battery life in remote devices. Thanks to this feature, the ESP32 thing
can be used to create a truly wireless device.
The Makerforcus ESP32 DevKit is an
ESP-WROOM-32 based breakout board designed to provide Bluetooth as well as
Wi-Fi radio solutions. It comes with all the basic support circuitry from the
ESP32 SoC, which enables you to get right into designing the application,
instead of concentrating on other things such as antenna design and USB
communication. This reduces the time spent building prototypes.
The support circuitry for this breakout board
includes, CH340 USB-UART Bridge, LDO voltage regulator, buttons for reset and
boot functions and a micro-USB connector. The voltage regulator provides 3.3V
supply that is used by the ESP32 SoC and can also be used to power other
peripheral devices or components that operate on a similar voltage. Also,
thanks to USB-UART interface the board can be programmed directly without
having to press the reset and boot buttons.
Setting up the Makerforcus ESP32 breakout
board is an easy process. Its pin layout is compatible with breadboards and
programming is done directly via a USB cable. So all you need to do is mount
the breakout board onto a bread board and plug in the USB cable. However, if
you want to connect other peripheral devices or components to the breakout
board pins, you may have to use an extra breadboard. This is because the
Makerfocus ESP32 breakout board is very wide and completely covers the
breadboard rails, leaving no space for you to connect jumper wires to its pins.
The HiLetgo ESP32 Development Board was our number 1 pick. The first reason for selecting the ESP-32S board as the ideal breakout board is its pin configuration. Though its pin numbers are not labeled on the top side of the board, the ESP-32S is slimmer than the rest of the boards and leaves enough space on the breadboard to connect jumper wires for prototyping.
In addition to that, there are resources provided by the company that manufactures the HiLetgo ESP-32S breakout boards. The resources guide you on how to get started when using the ESP-32S and provide examples that you can learn from. Therefore, if you are a beginner or professional looking for an ESP32 breakout board to use in your project, grab yourself a HiLetgo ESP-32S breakout board and begin to change the world.