Hello, i bought the proximity trinkey (Adafruit Proximity Trinkey - USB APDS9960 Sensor Dev Board) :
https://www.adafruit.com/product/5022 a couple of days ago and i also bought the MDBT50Q-RX board the both comes with uf2 bootloader button the MDBT50Q-RX bootloader working but i have problem with proximity trinkey when i plug it in without the pressing the button it activate the light sensors but when plug it in pressing the bootloader button it just doesn't show up at all i don't know if iam doing something wrong or what im completely new to using trinkies so please help