“Very good little RP2040 board here. I opted for the additional memory for additional circuit python libraries. I was also hoping to be able to use this in the Arduino IDE but I couldnt find a board available for it at the time. Very easy to use in circuit python handy to know the "dir(board)" command to show the pin names too. I would have liked to see a bit more documentation on this board. NB the RGB led is frosted/diffused so its not very bright and to activate you pull the pins low.”
“Currently. I'm using a BME280, DHT-22 (outdoor setting) and RTC3231. The next step is to use it for an amateur radio grid locator with GNSS. I have also completed the 5V external power supply test (VBUS). This product can be miniaturized. From Tokyo / Akiyama”
