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At just 21 x 17.5mm, XIAO ESP32S3 is designed with the classic thumb-sized form factor, making it perfect for wearable devices. Its breadboard-friendly and surface-mount design makes it ideal for production, with all SMD components on a single-sided board for ease of mass production.
XIAO ESP32S3 is a high-performance board powered by Expressif ESP32-S3R8 chip. With support for 2.4GHz WiFi and low-power Bluetooth BLE 5.0 dual-mode wireless communication, this board is perfect for high-performance, low-power IoT applications.
When connected with the U.FL antenna, the remote communication distance and reach up to 100m.
Equipped with a powerful Xtensa 32-bit LX7 dual-core processor running at up to 240MHz, 8MB PSRAM, and 8MB Flash, XIAO ESP32S3 is designed to handle multi demanding tasks with ease.
Tiny ESP32-S3 WiFi 4 and BLE 5.0 module for IoT, AI, and robotics
Additionally, ESP32S3 supports lithium battery charging management and allows for deep sleep mode with power consumption as low as 14μA. With 4 adjustable power modes, XIAO can balance communication distance, data rate, and power consumption to meet the needs of various application scenarios.
Holokai
Reviewed in Germany on February 17, 2025
Habe es als Webcam für meinen Prusa Mini+ verwendet. Funktioniert gut mit den vorhandenen Bibliotheken (XIAO). Das einzige was mich etwas stört sind die sehr hohen Temperaturen (Kühlkörper werden mit geliefert).
Kronny
Reviewed in the United States on February 12, 2025
The microcontroller works great and comes with the antenna! The only thing I had trouble with was Pin D9 would only work as an output for me. I read pin D9 is linked to the boot button. Maybe there is a way to configure that, but I haven't figured it out. I am using mine for a Bluetooth keypad, and I do have enough GPIO, but I had to resolder to another one and change the code for my project to work.
Bryan
Reviewed in the United States on January 4, 2025
I have nothing to say about these, they are built very well. The boards and solder look perfect and they come packaged very nicely. The range on them is solid and if I need more esp32 in a short time I will 100% be buying more of these. Cases can be found to print easily.
ziomauri
Reviewed in Italy on January 25, 2025
Nonostante abbia pochi ingressi, è utilissimo in progetti che prevedano un uso con batteria, perché può gestire una LiPo senza altre schede aggiuntive. Questo per una scheda davvero micro è un grosso vantaggio.
Luiblonc
Reviewed in the United States on January 24, 2025
“I couldn’t be happier with this purchase! The quality is outstanding, and it’s clear a lot of thought went into the design and functionality. This product has exceeded my expectations in every way, offering a perfect balance of performance, durability, and style.What truly sets this product apart is how well it delivers on its promises. It’s incredibly easy to use, and you can tell it’s built to last. Whether you’re looking for something reliable for everyday use or a high-performing option for special occasions, this is it.On top of all that, the value for the price is unbeatable. It feels like a premium product without the hefty price tag. If you’re on the fence about getting this, don’t hesitate—trust me, you won’t regret it. This is one of those rare finds that ticks every box!”
BGB
Reviewed in the United States on January 22, 2025
Really impressed with this thing. There are so many things you can do with it (sensors, write data to micro-sd, take photos, streaming video with a webserver, get it on Meshtastic with another peripheral, etc.) in either C (Arduino) or Python. So tiny, so much, so neat! (and hot!).
ntf
Reviewed in the United States on January 12, 2025
What I like - easy to use and setup. Network capable - webserver, client and other protocols possible. Has all major communications functionality, digital IO, ADC etc.What I dislike- program memory is limited, and no DAC output
P. Meyer
Reviewed in the United States on June 2, 2024
Update:The 3.0.0 cores I updated to are dev, not stable. The Serial2 port doesn’t work on any esp32 core unless you explicitly declare a new hardwareserial object, for wroom do the begin call with the pin number parameters provided and those are rx=16 and tx=17 iirc. For c3 and c6 both accept the begin call with only the baud rate parameter iirc.Original:I have some BLE code running on wroom boards and tried converting to the c6 with little success, could be my methodology.I build using arduino-cli on headless Libre ROC boards. I upgraded the cores and added the XIAO ESP32C6 which was quite painful and then made some slight changes to my existing code to accommodate some slight refactoring done in the newer BLE libraries. That code runs fine on the old wroom boards built with the new core updates.Building for the c6 was not much trouble but the code didn’t work at all. I built a simple blink sketch and it did work but the serial.print statements never appear. No idea what is causing that but the led did blink as expected.It was probably wishful thinking that the change over would be simple. I don’t need any feature of the c6 so I’m going to try Seeeds c3 version.
Oscar Tonatiuh
Reviewed in Mexico on June 19, 2024
Estuvo funcionando por un 1 mes sin problemas, de repente ya no me dejaba sobreescribir la memoria, el micro sigue vivo, ya que me da informacion del ultimo programa que le cargue y le puedo realizar pruebas pero ya no permite reescribir, compre otra pero ocurrio lo mismo. >:(
Jim O'Quinn
Reviewed in the United States on December 22, 2024
Used this with a small GPS and OLED display to build myself a device for tracking my runs. Works like a champ. Used them in a couple other project as well; connected to a ultrasonic transponder to measure distance to the top of the water in a water tank, run WLED on three of these, blew up a couple by futzing up the wiring (they don't like 36VDC), but that is 100% my fault, intend to connect one to the Blue's Starnote to complete the a build for a tracking device that uses satellites, cell data, and wifi.
Mark Pires
Reviewed in Canada on December 19, 2024
So I built a windvane / anemometer for my sailboat using a standard esp32. It worked well, but I couldn't help but focus on the size of the esp32 as I wanted to fit this microcontroller into my project. After some searching I came across this Seed Studio Xiao esp32c3 and gave it a try. It passed all its tests and I am happily using this on my sailboat. You might not have as many IO pins as a full size esp32, but if your projects don't require that many, your in luck. The wifi antenna that comes with this seems to have better range the the stock antenna on a standard esp32.
Yikes Cyborg Run!
Reviewed in the United States on November 24, 2024
I love this little camera. It's been very fun to tinker around with. It was very easy using the Arduino IDE to upload a quick example and get going. I can confirm that you need to hold the boot button down before you connect USB to CPU before attempting to upload a sketch. At least I needed to. Also, check to make sure your type-c cable is good. Some type-c cables won't work when uploading sketches. I ran into this problem using a shoddy cable. Once I used a proper cable and held the boot button while connecting all was good, and I was able to obtain an IP address to view the camera output. Also, some reviews have mentioned the heat. When connected to a CPU, the device will indeed start to heat up. HOWEVER -- I have connected it to a little solar charger component I had sitting around, using a 3.7V 1200 mAh lipoly battery. There is absolutely zero heat. None whatsoever. I need to say that the camera doesn't pick up all to much in low light. But that's a very fair trade-off for the price and the size. The stream is a little laggy with higher resolutions. Still, I have walked around in my yard with this and have been able to easily stream around 150 feet away from my base without losing connection or having too much lag. I'm very happy with this little guy, I recommend, and will definitely be purchasing more.
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