Flexible dev module and lots of processing power. Good for prototyping or learning but for actual imbedded use I prefer the header not be pre-soldered.

The board came pressed onto a piece of foam with a 3 pin terminal block that can be soldered into the debug connector, and a micro USB power cord. The 3 pin terminal block is small, and easily lost, and comes in the same bag as the board, so take care when removing the board so you don’t lose it.It appears to be an authentic raspberry pi Pico 2W board with the header pins pre-soldered. The soldering on the board is good. The pins are labeled via silkscreen and the headers are colour coded pin connections to help identify what pins you want. At a quick glance the colour coding helps you ensure correct board orientation. Knowing where the analog pins are (the blue ones) is also nominally useful. Beyond that the labels are useful to get more details. Since the listing doesn’t mention it, red = power, black = ground, green = GPIO, blue = analog, yellow = system control.I loaded micropython onto it and used that to connect to my wifi network and serve a webpage from which I could control the LED and read the board temperature. It looks like it will be a useful, low power device, for adding wireless connectivity to various DIY projects.

Pros:- Decent build quality- Includes programming cable with micro-USB connector- Excellent online documentation- Easy installation process- Colour pre-soldered header matches the pinout diagram- Beginner-friendly- Worked well with Thonny on Windows 11Cons:- Onboard LED not workingThe UeeKKoo Pico 2 W with Colour Pre-Soldered Header Compatible with Raspberry Pi Pico 2 W RP2350 Microcontroller Board with 2.4GHz 802.11n Wifi 4 and BLE 5.2 has a decent build quality. This board adds wireless capabilities to the popular Pi Pico 2 board. A programming cable with a micro-USB connector is included. Before using the Pico 2W board, you need to install MicroPython by flashing it with a .uf2 file. It comes with great online documentation, and the link is included in the bootloader. The online documentation also tells you where to download the .uf2 file. This is so refreshing to see, as many MCU boards I have reviewed failed to include any documentation. It is really not that hard for the manufacturer to include an external documentation link in the bootloader as demonstrated by UeeKKoo. For beginners, the difference is day and night!After you download the .uf2 file, you can boot into the bootloader of the board by holding the "boot" button on the board before plugging it into the computer. Wait until a folder pops up before you release the button. Just drag the .uf2 file into this folder, and if everything is done right, the folder will close, and the board will reboot.I used Thonny to test the Pico 2W board under review. With the board already plugged into my Windows laptop, I opened Thonny and selected the proper COM port for the board in the lower-right corner. Then I ran a little MicroPython script, and everything appeared to work fine.from machine import Pinimport time# Set up GPIO pin 0 as an output because GP25 pin 25 does not turn on the LEDled = Pin(0, Pin.OUT)while True:led.value(1) # Turn on the LEDtime.sleep(3) # Wait for 3 secondled.value(0) # Turn off the LEDtime.sleep(1) # Wait for 1 secondBasically, I toggled the GP0 output pin for 3 seconds high and 1 second low repeatedly. I used my multimeter to measure the voltage on Pin 1 of the board and observed that the voltage stayed at 3.3V for 3 seconds and 0V for 1 second. So it appears the basic function of the board is working. I did not test the WiFi or Bluetooth wireless interfaces.The onboard LED, which is supposed to be on GP25 from the documentation, does not work. I am not sure why. That's why I needed to use a multimeter to measure the voltage on Pin 1 (GP0 output).Overall, the basic functions of the UeeKKoo Pico 2 W board appear to work well with Thonny on a Windows 11 laptop. I love the colour pre-soldered header since the colour matches exactly what is in the pinout diagram of the Pico 2W board. When I measured the voltage on Pin 1, it was easy for me to tell that Pin 3 was Ground because it is black in colour. It just makes the whole debugging process much easier when you reference the official pin-out diagram of the board. The colour-coded headers are nice touches! I love it! The fairly extensive online documentation provided just makes the product so much more beginner-user-friendly. Good job, UeeKKoo! A great acquisition for me!

Great little board, and the extra colour coding looks great & is super useful!

I am very pleased with this purchase. I’ve already tried a number of projects with it.If you want to started learning about microcontrollers, this is a good starting place. Combine this with a breadboard and a few LEDs, resisters, and switches and you can do a number of fun projects. Look up Pico on the Raspberry Pi website to get started.