Seeed Studio XIAO ESP32C6-2.4 GHz WiFi 6, Bluetooth 5.3, Zigbee, Thread (802.15.4), ESP Rain Maker, AWS IoT, Support Microsoft Azure, Smart Home

Cute little board. Expect to write C and not C++ in Arduino to get full functionality. Arduino IDE works but it's sketchy

Every XIAO I've purchased from Seeed Studio has been perfect. This company makes excellent products and this has been no exception so far. yes, the XIAO may not have all the GPIO exposed but that is not the point. They are meant to be very small and excel at their purpose. They have just enough pins exposed and the quality is better than just about any other brand out there.

Amazing little gadget. This has a well-built-out ecosystem for programming. It will take some reading, but if you do much with VS Code you can get this working pretty well. I have one doing WiFi scans and it works quite well. Note: you may have to do some soldering to use it w/o the USB, and to put connectable pins on it. The pins will work with breadboards. But you will not need a special programming device--just your computer.

Update 5/1/25: The little flex antenna doesn’t work any better than the ceramic one and the higher gain antennas I have found do not improve bluetooth performance at all. In fact the 8db gain antennas I bought are *extremely* directional to bluetooth signals to the point that they don’t get anything from 10ft away if not aligned very precisely, though they do improve wifi signaling mightily in every orientation I tried. I upgraded the cores when I made a new pi4 build platform but it did not fix one glaring issue with these - the pin numbers in the tooling does not match the silkscreening on the part. For example with pin 2 designated as an output the signal appears on pin 0. 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.

I grabbed a standard ESP32C6 and unlike the module with the camera, it doesn't have any heat issues. It works beautifully, is very affordable, and includes a built-in ceramic antenna so you don't need to attach an external. It's fast, responsive, and powerful. Very easy to use. It connects to my wifi with no issue. Admittedly, I haven't tried Bluetooth, but I'd imagine it works just as well.

Easy to setup and works well. Great project kit!

This is not for serious projects (I am reviewing the ESP32C6, although the other boards also have most of these flaws). This product may have gotten a lot of positive reviews, but I suspect most of these reviews are from casual users who many have played with this a bit and are impressed with its small size and good wireless functionality, but haven't really utilized it for a serious project. I made the mistake of choosing this for my project and now I can identify for you all of the major design flaws: 1) The battery connects not by standard pins but by small pads on the bottom. This is problematic for many reasons. First, the pads are very small and can burn off when trying to solder them (see the photo) rendering the product useless. 2) Further, having the battery connectors using pads on the bottom of the product instead of standard pins means that this is very difficult to attach to a printed circuit board. I understand they want to save space, but the designers could have also used regular pins for the battery (and taken away one digital pin of which there are many). If you are using this for a serious project then you will eventually be connecting this to a printed circuit board and you will then see the problems this design causes. I've already destroyed many of these XIAO devices trying to connect the battery pads to a PCB. 3) The ESP32C6 has a RESET button and a BOOT button, but these buttons are so incredibly tiny they are almost impossible to find and press. And if the header pins are attached to the ESP32C6 then it is IMPOSSIBLE to grip these buttons. Again, this product is not for serious projects. If you want to buy one of these and tinker around a little, have fun. But a serious project uses a PCB and does not have loose battery wires soldered to the bottom of the dev board.

My application was a device to announce ship bell time. There is an MP3 audio board and OLED display. Products does the job but doesn't work out of the box. It wouldn't program after a few times. Any help from a search was useless. Remedy was to use a USB isolator. The program worked when connected to a PC but hung up when connecting just to a power dongle. Remedy was to us a watchdog function. Only watchdog that worked or was easy to use was the Adafruit Sleepydog function. The reset and boot switches are too tiny for fingers. I used a chopstick to push the buttons. Holding boot and applying power was easier if I unplugged and plugged the USB cable at the PC.

Prodotto di una versatilità unica, l'ho usato per un multi relè con protocollo zigbee eccezionale

This is a solid but low cost ESP32 based micro controller for your projects

A bit pricey but otherwise quite good

Quick buy, nice value, awesome for esphome programming!

Seeed studio esp32c6 is the best! no issues at all. runs 1st time and every time. No power issue, No code compatibility issue, No bluetooth issue! Ok, 1 limitation though, can't define more than 4 characteristics per service. But got around it by declaring more Services anyway so just a minor issue. Overall performance, 9/10.