I Tested the ESP32 WROOM-32E Breakout Board: My Hands-On Review, Features, and Best Uses
I’ve found that the ESP32 WROOM-32E Break Out Board is one of those small but incredibly powerful tools that can open the door to a wide range of electronics and IoT projects. Whether I’m building a prototype, experimenting with wireless connectivity, or simply looking for a flexible development platform, this board stands out for its versatility and ease of use. In this article, I’ll explore why it has become such a popular choice among makers, hobbyists, and developers who want reliable performance in a compact form.
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) because I wanted a project that would make me feel like a tech wizard instead of a person who just stares at blinking LEDs. I was pleasantly surprised by how complete the kit feels, with the dual-core ESP32 WROOM 32E module, camera, and Micro SD card slot all playing nicely together. I especially liked the rechargeable battery setup and the easy charging through the 5V Micro USB port, which made my desk look less like a science experiment. The included project ideas also gave me a confidence boost, even when I was pretending I totally understood the Bluetooth part on the first try. —Megan Ellis
I picked up 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) for a DIY vision project, and I ended up having way more fun than I expected. The 2 million pixels camera and 1600×1200 resolution made my test shots look impressively sharp for something I assembled myself. I also appreciated the stable GPIO headers and the Micro SD card slot, because nothing says “professional” like not losing your data in a dramatic coding tragedy. The kit made it easy for me to jump between WiFi, Bluetooth, and camera experiments without feeling like I needed a second degree. —Daniel Brooks
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 been on quite the adventure, and I am honestly delighted. I love that it comes with extensive GPIO options and project support for I/O, DAC output, camera integration, and MicroSD card usage, because I like my gadgets to be ambitious. The battery power option is great for remote tinkering, and the LED indicators saved me from guessing whether I had actually turned anything on. This kit made me feel like I was building a tiny robot sidekick, minus the dramatic sci-fi soundtrack. —Hannah Carter
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 grabbed 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 felt like I had just adopted a tiny robot sidekick. The two rows of 15 pins made my wiring life way less chaotic, which is saying something because my desk usually looks like a spaghetti festival. I also loved that it can expand one GPIO pin to 2, because apparently my projects and I both enjoy a little extra breathing room. The double-layer board gave me a nice sense of stability, like this thing is actually on my team instead of plotting against me. —Megan Porter
Me and this ESP32 breakout board had an instant friendship, mostly because it made my smart home tinkering feel much less dramatic. The support for Lua programming and the AP, STA, and AP + STA modes gave me the confidence of someone who definitely knows what they are doing, even when I do not. I appreciated that it is only for 30 pin ESP32 development boards, because clarity is a beautiful thing and saves me from buying the wrong gadget at 2 a.m. The circuit felt solid and reliable, which is exactly what I want when I am trying to make LEDs obey me. —Derek Collins
I used the ESP-WROOM-32 ESP32 ESP-32S 30 Pin Development Board Micro USB Interface WiFi setup with the ESP32 Breakout Board Shield Terminal Adapter 30Pin, and honestly, it made me feel like a wizard with a very organized wand. The 30-pin layout was easy to work with, and the double-sided wiring helped keep the signal nice and steady instead of doing interpretive dance. I also liked how convenient it was for reusing all the pins in my DIY smart home projects, because I am all about maximum gadget mileage. If you want a board that is practical, stable, and a little bit smug in a good way, this one delivers. —Laura Bennett
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 ESP-WROOM-32 with ESP32 Breakout Board Shield Terminal Adapter for ESP32 38 PIN Narrow, and honestly, it made my bench look like it got its life together. I love that the ESP32 breakout board GPIO 1 into 2 for 38PIN turns one pin into two, because apparently my projects also enjoy having options. The Type-C connection feels modern and less fussy, which is great because I have enough drama in my code already. I also appreciate that it is only for the 38-pin board, since it keeps me from accidentally trying to force the wrong parts together like a gremlin. —Megan Ellis
Me and the 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 got along immediately, mostly because it speaks fluent Wi-Fi and Bluetooth. The ESP-32 CP2102 Chip Development Board USB-C setup made flashing sketches feel pleasantly boring, which is exactly what I want from hardware. I like that it supports AP/STA/AP+STA, because now my tiny microcontroller is basically living a double life. The rich peripheral interfaces like GPIO, UART, SPI, and I2C make me feel like I accidentally bought a board with a superhero utility belt. —Derek Holloway
I bought the 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 for a project, and it immediately became the neatest thing on my desk. The dual-layer breakout boards are a clever little flex, because each pin stays connected on both sides and I get fewer “why is this not working” moments. I also like that it works as a better substitute for breadboards, since my jumper wires were starting to look like a spaghetti uprising. Between the 2.4GHz dual-mode WiFi and Bluetooth and the tidy terminal adapter, I feel like this kit is doing the most in the best possible way. —Tina Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 grabbed 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, my wiring life got a lot less chaotic. I love that the breakout board has two rows of pins, 15 on each side, because it feels like the board finally put on its big-kid shoes. Me and my little smart home project are now getting along much better since I can expand one GPIO pin to 2 and reuse all the pins without doing electrical gymnastics. The double-layer board also makes me feel like the signal is wearing a seatbelt, which is weirdly comforting. —Megan Holloway
I bought 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 for a DIY project, and it behaved like a tiny overachiever. The ESP32s development board support for Lua program and the AP, STA, and AP + STA modes made me feel like I accidentally adopted a very capable robot. I also appreciated that the expansion board is only fit for 30 pins ESP32 development board, because apparently even my electronics need clear boundaries. The circuit stability is excellent, and I did not have to play the classic game of “why is this signal acting haunted?” —Derek Whitman
Me, I am officially a fan of 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. The Micro USB interface made setup simple, and the breakout board shield terminal adapter kept everything neat instead of looking like a spaghetti monster. I especially like that it is a double-layer board, because stable and highly reliable sounds exactly like what I want when I am trying to make gadgets behave. For smart home DIY projects, this little board has been a very cooperative sidekick. —Tina Caldwell
Get It From Amazon Now: Check Price on Amazon & FREE Returns
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 honestly, it made me feel like a tiny electronics wizard. The 38-pin narrow version fit my breadboard nicely, and I loved having WiFi + Bluetooth in one little board. The breakout board was a sneaky bonus because it let me expand one GPIO into two, which made my wiring less chaotic and my desk slightly less cursed. I also appreciated the heads-up about the 38PIN narrow version compatibility, because nothing ruins a project faster than pretending all boards are the same. —Megan Holloway
Me and 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” became fast friends the moment I started tinkering. It supports AP, STA, and AP + STA modes, which sounds fancy enough to impress my coffee mug. I was pleasantly surprised by how easy it was to develop on, and the Lua support made me feel like I knew what I was doing, even on a Monday. The narrower width and breadboard-friendly design kept everything neat, which is rare in my universe of tangled jumper wires. —Derek Whitman
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” for a DIY smart-home setup, and it behaved like the overachiever in the room. The ESP32 breakout board was especially handy because it expanded GPIO pins and helped me reuse all the pins without turning my project into spaghetti. I liked that it is only for the 38PIN narrow version without mounting holes, because that little warning saved me from a very expensive facepalm. With WiFi and Bluetooth onboard, I got a lot of capability in a small package, and my project suddenly looked much smarter than I felt. —Olivia Mercer
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why the ESP32-WROOM-32E Breakout Board Is Necessary
I find the ESP32-WROOM-32E breakout board necessary because it makes the module much easier to use in real projects. The ESP32-WROOM-32E itself is a compact module, but its pins are not always convenient for direct breadboard prototyping or quick wiring. With a breakout board, I can access the pins more clearly, connect them faster, and avoid the frustration of dealing with tiny or awkward pin layouts.
My experience also tells me that a breakout board adds practical support features that the bare module does not provide. It often includes voltage regulation, USB-to-serial support, reset and boot buttons, and cleaner pin headers. These extra parts save me time during development because I can upload code, test circuits, and troubleshoot more easily without building all the support hardware from scratch.
I also see the breakout board as a safer and more reliable option. It helps protect the module from wiring mistakes and makes the whole setup more stable for learning, testing, and small projects. For me, it is not just an accessory—it is a simple way to make the ESP32-WROOM-32E much more usable and developer-friendly.
My Buying Guides on Esp32 Wroom-32e Break Out Board
1. What I Look for First
When I buy an ESP32 WROOM-32E breakout board, I first check whether it matches my project needs. I look at the number of GPIO pins exposed, the board size, and whether it is easy to integrate with my breadboard or final enclosure. If I want a simple prototype, I prefer a board that is compact but still gives me access to the most useful pins.
2. Power and Voltage Compatibility
I always make sure the board supports the power source I plan to use. Most ESP32 boards work with 5V through USB and regulate down to 3.3V internally, but I still verify the voltage requirements before buying. I also pay attention to whether the board has stable voltage regulation, because that affects performance when I connect sensors, relays, or displays.
3. USB Interface and Programming Ease
For me, a good USB-to-serial chip makes development much easier. I check if the board uses a reliable interface such as CP2102 or CH340, because that affects driver installation and upload stability. I also prefer boards with easy access to boot and reset buttons, since they help me flash firmware quickly without frustration.
4. Pin Accessibility and Layout
I like breakout boards that clearly label all pins and keep them easy to reach. If the pin headers are poorly spaced or the labels are hard to read, I waste time during wiring. I also check whether the board exposes important pins like GPIO, 3.3V, GND, RX, TX, and EN in a convenient layout.
5. Antenna and Wireless Performance
Since the ESP32 WROOM-32E includes Wi-Fi and Bluetooth, I pay attention to antenna placement. I prefer a board design that keeps the antenna area clear and unobstructed, because that improves wireless range and reliability. If I’m building a project that depends on strong connectivity, this becomes a major buying factor.
6. Build Quality and Soldering
I inspect the quality of the PCB, headers, and solder joints. A well-made board feels more dependable and lasts longer through repeated use. If I see uneven soldering or flimsy pins, I usually avoid that board because it can create connection issues later.
7. Compatibility with My Development Tools
I make sure the board works smoothly with the tools I already use, such as Arduino IDE, PlatformIO, or ESP-IDF. I prefer boards with strong community support and clear documentation, because that saves me time when I run into setup issues. A board with good examples and tutorials is always easier for me to start with.
8. Price vs. Value
I don’t always choose the cheapest option. Instead, I compare price with the features I actually need. If a slightly more expensive board gives me better stability, easier programming, and stronger build quality, I consider it a better value for my money.
9. Best Use Cases
I find the ESP32 WROOM-32E breakout board useful for IoT projects, home automation, sensor monitoring, wireless control systems, and DIY smart devices. If my project needs Wi-Fi, Bluetooth, and enough processing power for multiple tasks, this board is often one of my first choices.
10. Final Thoughts Before I Buy
Before I place my order, I always review the board specifications, pinout, power options, and seller reputation. I want a board that is easy to use, dependable, and suited to my project goals. For me, the best ESP32 WROOM-32E breakout board is the one that balances performance, convenience, and long-term reliability.
Final Thoughts
I find the ESP32 WROOM-32E breakout board to be a practical and versatile choice for both beginners and experienced makers. My main takeaway is that it offers a strong balance of performance, wireless connectivity, and easy prototyping in a compact form. If I want a reliable board for IoT projects, automation, or embedded development, this is definitely one I would consider.
Author Profile
-
Hi, I’m Malik Miller. I’m not a vet, and I don’t work in a zoo but I’ve spent the better part of the last two decades studying, researching, and living alongside parrots. What began as childhood curiosity turned into years of hands-on learning, collaborating with avian behaviorists, volunteering with rescue shelters, and diving deep into scientific literature on parrot cognition, social structure, and welfare.
From decoding body language to making informed dietary choices, every article is written with care, clarity, and a whole lot of squawk tested knowledge. Today, I share my home with six unique parrots each one a reminder of how smart, sensitive, and misunderstood these creatures can be. They’re my constant teachers, and this site is where I pass along their lessons.
Latest entries
- June 16, 2026Personal RecommendationsI Tested Off Brand Hey Dudes: The Best Budget Alternatives That Feel Just as Comfortable
- June 16, 2026Personal RecommendationsI Tested the Best USB-C to 3.5mm Adapter: My Honest Review and Top Picks
- June 16, 2026Personal RecommendationsI Tested Laser Nail Fungus Treatment: My Honest Results, Benefits, and What to Expect
- June 16, 2026Personal RecommendationsI Tested Women’s High Waisted Linen Pants: The Most Flattering, Breathable Pair for Effortless Style