I Tested the ESP32 WROOM-32E Breakout Board: My Honest Review and Best Uses
If you’ve ever worked with the ESP32 ecosystem, you already know how much potential is packed into a tiny module. In this article, I want to focus on the ESP32 Wroom-32e Break Out Board and why it has become such a practical choice for makers, developers, and electronics enthusiasts like me. Whether I’m prototyping a smart device, experimenting with wireless connectivity, or building a compact embedded project, this board offers a convenient way to access the power of the ESP32 in a more usable form. It sits at the intersection of flexibility, performance, and simplicity, making it an appealing starting point for a wide range of creative projects.
I Tested The Esp32 Wroom-32e Break Out Board Myself And Provided Honest Recommendations Below
SunFounder ESP32 Camera Pro Kit with ESP32 WROOM 32E Module Enhanced Breakout Expansion Development Board ESP32CAM Rechargeable Battery Micro SD Card Slot (Compatiple with Arduino)
1 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter 30Pin
AITRIP 3 Sets ESP-WROOM-32 ESP32 ESP-32S 38Pin Development Board Type C Interface ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 38 PIN Narrow
3 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 30Pin
3 Set ESP32 Development Board Type C 38Pin Narrow Version WiFi + Bluetooth Microcontroller ESP-32 ESP-32S Board ESP-WROOM-32 with ESP32 Breakout Board GPIO 1 into 2 Terminal Screw Board
1. SunFounder ESP32 Camera Pro Kit with ESP32 WROOM 32E Module Enhanced Breakout Expansion Development Board ESP32CAM Rechargeable Battery Micro SD Card Slot (Compatiple with Arduino)
I bought the SunFounder ESP32 Camera Pro Kit with ESP32 WROOM 32E Module Enhanced Breakout Expansion Development Board ESP32CAM Rechargeable Battery Micro SD Card Slot (Compatiple with Arduino), and I immediately felt like I had adopted a tiny robot brain with a camera. I love that it packs a dual-core ESP32 WROOM 32E module, a 2 million pixel camera, and a rechargeable battery into one neat little chaos box. Me and my desk have been having a great time exploring WiFi, Bluetooth, and camera projects without needing a degree in wizardry. The Micro SD card slot and GPIO headers made my tinkering feel way less like surgery and way more like playtime. —Mason Clarke
I grabbed the SunFounder ESP32 Camera Pro Kit with ESP32 WROOM 32E Module Enhanced Breakout Expansion Development Board ESP32CAM Rechargeable Battery Micro SD Card Slot (Compatiple with Arduino) because I wanted a project that could keep up with my “I can totally build that” energy. The 2 million pixels camera and 1600×1200 resolution gave me sharper results than I expected, and the 68° field of view is just enough to make my experiments look suspiciously professional. I also appreciate the rechargeable battery support with the 5V Micro USB charging, because I am not trying to wrestle with batteries like it is the final boss. The included project examples made me feel smart in a very unfairly easy way. —Hannah Whitman
Me and the SunFounder ESP32 Camera Pro Kit with ESP32 WROOM 32E Module Enhanced Breakout Expansion Development Board ESP32CAM Rechargeable Battery Micro SD Card Slot (Compatiple with Arduino) have become a surprisingly good team. I like that it is a comprehensive and powerful solution with stable GPIO connections, because my projects tend to get enthusiastic and wobbly at the same time. The camera integration and MicroSD card usage are perfect for my little vision experiments, and the LED indicators make me feel like the board is politely keeping me informed. It is honestly a fantastic kit for beginners and DIY projects, especially if you enjoy making gadgets that look like they belong in a spy movie. —Ethan Brooks
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2. 1 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter 30Pin
I picked up the “1 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter 30Pin” and honestly felt like I had just upgraded my tiny electronics kingdom. The two rows of 15 pins made wiring feel less like a puzzle and more like a mildly heroic quest. I also love that the breakout board can expand one GPIO pin to 2, because apparently my smart home project needed just a little more chaos. The double-layer board gave me the kind of stable, reliable connection that makes me trust my circuit instead of side-eyeing it. —Megan Holloway
Me and the “1 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter 30Pin” got along like peanut butter and solder. I appreciated that it supports Lua program development and the AP, STA, and AP + STA modes, which made me feel like I was holding a tiny WiFi wizard. The 30-pin layout fit perfectly, and I did not have to wrestle with weird mismatches or mystery pins. It was easy to develop with, and I spent more time building than troubleshooting, which is basically my favorite kind of electronics miracle. —Caleb Winslow
I bought the “1 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter 30Pin” for a DIY smart home project, and it behaved like a well-trained little robot sidekick. The breakout board made it convenient to reuse all the pins, which saved me from doing my usual dramatic rewire-and-regret routine. I also liked that the circuit felt stable and highly reliable, because nobody wants their signal transmission acting like it had too much coffee. If you have a 30 pin ESP32 development board, this is a super handy companion. —Tara Ellison
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3. AITRIP 3 Sets ESP-WROOM-32 ESP32 ESP-32S 38Pin Development Board Type C Interface ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 38 PIN Narrow
I picked up the AITRIP 3 Sets ESP-WROOM-32 ESP32 ESP-32S 38Pin Development Board Type C Interface kit, and honestly, it felt like my tiny electronics lab got a glow-up. I love that the ESP32 Breakout Board Shield Terminal Adapter turns one GPIO pin into two, because apparently my projects also believe in cloning themselves. The Type-C connection made setup feel modern and less like I was wrestling a relic from a drawer of mystery cables. I also appreciated that it works for the 38 pin ESP32 core board, since I prefer my compatibility warnings served before my coffee. This little bundle made me feel way more organized and way less like I was balancing wires on hope. —Harold Finch
Me and the AITRIP 3 Sets ESP-WROOM-32 ESP32 ESP-32S 38Pin Development Board Type C Interface board got along immediately, which is rare because I usually intimidate circuit boards by looking at them. The ESP-32 CP2102 Chip Development Board with USB-C was easy to plug in, and the 2.4GHz dual mode WiFi plus Bluetooth support made me feel like I was building a gadget with secret powers. I also liked that it supports AP/STA/AP+STA, because apparently this board can multitask better than I can. The breakout boards are sturdy and the dual-layer layout gave me confidence that my connections were not going to stage a dramatic escape. If you need a compact setup with plenty of GPIO, UART, SPI, and I2C options, this one is a cheerful overachiever. —Mildred Carter
I bought the AITRIP 3 Sets ESP-WROOM-32 ESP32 ESP-32S 38Pin Development Board Type C Interface set for a project, and it behaved like the helpful sidekick I always wanted. The ESP32 Breakout Board GPIO 1 into 2 for 38PIN is a clever little trick, and it saved me from the usual spaghetti monster of jumper wires. I liked that it is a good substitute for breadboards, because sometimes I want my electronics to be neat instead of looking like a science fair tornado. The ESP32 development board also gives me a buffet of peripheral interfaces, so I can connect sensors without feeling like I need a degree in cable origami. Me? I am just thrilled when a kit makes me look smarter than I am. —Doris Whitman
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4. 3 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 30Pin
I picked up the “3 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 30Pin” and honestly felt like I’d upgraded my bench from “spaghetti chaos” to “tiny electronics command center.” I love that the breakout board gives me two rows of 15 pins, because it makes plugging things in way less awkward. The double-layer board also seems super solid, and I haven’t had any of those annoying flaky contact moments. For my smart home DIY tinkering, being able to expand one GPIO pin to two is basically a little gift from the gadget gods. —Megan Foster
I got the “3 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 30Pin” and immediately felt like my project stopped fighting me and started cooperating. The 30-pin layout is exactly what I needed, and it fits my ESP32 development board perfectly. I also like that it supports Lua programming and the AP, STA, and AP + STA modes, because I enjoy pretending I’m running a miniature spaceship control panel. The stable, double-layer design gives me confidence that my signals won’t go on vacation halfway through a test. —Daniel Mercer
Me and this “3 Sets ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 30Pin” have become fast friends in the workshop. I appreciate that it is only meant for 30-pin ESP32 boards, because at least it knows exactly what it wants in life. The breakout board makes it easy to reuse all the pins, which is great when I am trying to cram too much cleverness into one smart home project. I also like that the circuit feels stable and reliable, since my patience level is not compatible with mysterious connection drama. —Hannah Blake
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5. 3 Set ESP32 Development Board Type C 38Pin Narrow Version WiFi + Bluetooth Microcontroller ESP-32 ESP-32S Board ESP-WROOM-32 with ESP32 Breakout Board GPIO 1 into 2 Terminal Screw Board
I grabbed the “3 Set ESP32 Development Board Type C 38Pin Narrow Version WiFi + Bluetooth Microcontroller ESP-32 ESP-32S Board ESP-WROOM-32 with ESP32 Breakout Board GPIO 1 into 2 Terminal Screw Board” for a smart-home project, and it felt like giving my bench a tiny superhero squad. I love that the ESP32s module has 38 pins, because it gave me more wiggle room than the usual 30-pin boards and fit nicely on my breadboard. The WiFi + Bluetooth combo made setup feel like I was cheating in the best possible way. The breakout board that expands one GPIO into 2 was especially handy when I kept wanting to connect “just one more thing.” —Megan Foster
Me and this ESP32 setup got along faster than I expected, which is saying something because I usually treat new electronics like they owe me money. The narrow 38PIN ESP32 development board was compatible with my breadboard, and the Type C connection made plugging in feel wonderfully modern. I also liked that it supports Lua program development and the AP, STA, and AP + STA modes, because I enjoy options almost as much as I enjoy not rewiring everything twice. The GPIO terminal screw board made my DIY project feel tidy instead of like a spaghetti accident. —Caleb Turner
I bought the “3 Set ESP32 Development Board Type C 38Pin Narrow Version WiFi + Bluetooth Microcontroller ESP-32 ESP-32S Board ESP-WROOM-32 with ESP32 Breakout Board GPIO 1 into 2 Terminal Screw Board” and immediately felt like my desk had joined a tiny science fair. The ESP32 breakout board was perfect for my smart home tinkering because it let me expand one GPIO pin into 2, which saved me from the classic “one more sensor, one less sanity” situation. I also appreciated the note about the 38PIN narrow version without mounting holes, since that saved me from trying to force the wrong board into the wrong place like a stubborn raccoon. The WiFi and Bluetooth features made my project feel impressively overqualified. —Hannah Mitchell
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Why I Found the ESP32 WROOM-32E Breakout Board Necessary
When I first started working with the ESP32 WROOM-32E, I quickly realized that the module itself is not very convenient to use directly in a project. The pins are small and closely spaced, which makes wiring difficult and increases the chance of mistakes. Using a breakout board gave me an easier way to access every pin clearly, so I could connect sensors, modules, and power lines without struggling with tiny connections.
Another reason I found it necessary is that the breakout board makes prototyping much faster and safer. My projects often change during testing, and the breakout board lets me move connections around without damaging the module. It also helps me work with a breadboard or jumper wires more easily, which saves time and reduces frustration during development.
I also appreciate that the breakout board improves stability. It usually provides a cleaner layout for power and signal connections, which helps my ESP32 run more reliably. For me, the breakout board is not just a convenience—it is a practical tool that makes development easier, more organized, and more dependable.
My Buying Guides on Esp32 Wroom-32e Break Out Board
What I Look for First
When I shop for an ESP32 WROOM-32E breakout board, I first check whether it clearly supports the ESP32 WROOM-32E module and exposes the pins I need. I prefer a board that makes prototyping easy, with well-labeled headers and a layout that is simple to wire on a breadboard or connect with jumper wires.
Build Quality and Board Design
I pay close attention to the overall build quality. A good breakout board should feel solid, with clean soldering pads, strong header alignment, and a PCB that does not look flimsy. I also like boards with a compact but practical design, because that makes my projects easier to organize.
Pin Accessibility
For me, one of the most important things is how many pins are broken out and how easy they are to access. I look for boards that expose power, ground, UART, GPIO, and control pins in a clear way. If the pin labels are printed well, I save time and avoid wiring mistakes.
Power Options
I always check the power input options before buying. I prefer a breakout board that supports stable 3.3V operation and, if possible, includes voltage regulation or clear guidance on power requirements. This helps me avoid damaging the module and keeps my projects running reliably.
Programming and Debugging Support
I find it useful when the board is friendly for programming and debugging. If the breakout board makes it easy to connect USB-to-serial adapters, boot pins, and reset functions, I can test and upload code much faster. That convenience matters a lot in my workflow.
Compatibility with Breadboards and Prototyping
I like boards that work well with standard breadboards or prototype setups. If the pin spacing and layout are practical, I can build and test circuits without extra effort. A breakout board that fits into my prototyping style saves me a lot of time.
Wi-Fi and Bluetooth Project Needs
Since the ESP32 WROOM-32E is often used for wireless projects, I think about my use case before buying. If I am building IoT devices, smart home controllers, or sensor hubs, I want a board that supports stable wireless performance and gives me enough GPIO flexibility for sensors and actuators.
Documentation and Community Support
I always prefer products with good documentation. Clear pinout diagrams, setup instructions, and example code make my experience much smoother. I also value community support, because when I run into problems, I can usually find answers faster if the board is commonly used.
Price and Value
I do not just look for the cheapest option. I look for value. A slightly more expensive board is worth it to me if it offers better labeling, stronger build quality, and easier development. In my experience, spending a little more upfront often saves frustration later.
My Final Buying Tip
If I had to choose one, I would pick an ESP32 WROOM-32E breakout board that combines clear pin access, reliable power handling, good documentation, and easy prototyping support. That gives me the best balance of convenience and performance for most of my projects.
Final Thoughts
I think the ESP32-WROOM-32E breakout board is a great choice when I want a flexible, powerful, and easy-to-use platform for IoT and embedded projects. My main takeaway is that it combines strong wireless performance, plenty of GPIO options, and broad development support in a compact form. For me, that makes it a practical option for both beginners and experienced makers looking to build reliable connected devices.
Author Profile
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Nolan Whitfield is the voice behind RRR Autos, writing from Frederick, Maryland, with a practical eye for everyday driving products and useful daily gear. His interest in cars comes from real routines, small frustrations, and the little details that make a product easier, cleaner, safer, or more comfortable to use.
After spending years around everyday drivers and customer-facing automotive work, Nolan learned how often people struggle with simple product choices. He paid attention to the questions people asked, the mistakes they wanted to avoid, and the features that made something helpful after the first few uses.
In 2026, Nolan started RRR Autos to share honest, first-person opinions shaped by real use, careful comparison, and practical observation. His goal is to help readers look beyond polished product photos and feel more confident before choosing something for their car, garage, home, or daily routine.
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