TF Cards 2-In-1 Dual System Switcher for Raspberry Pi 1940 It is useful for logging

It is useful for logging sensor data

coin-cell replacements 350–500 mAh GPS trackers

0mm x 65mm -7 colors each 3 total of 21 pcs

Easy Assembly — Installs in seconds

Compact size: 3

TF Cards 2-In-1 Dual System Switcher for Raspberry Pi 1940 It is useful for loggingThis 2IN1 Two TF cards commutator is specially designed for Raspberry pi B+ 2B 3B with double switch systems. You could enjoy the convenience of using two TF cards at the same time to transfer to different systems for playing at the poking of the switch. Moreover if you could change the dial switch to Arduino or SCM GPIO controlled, it could help you realize wireless remote infrared remote control system etc. Note: It should be used when off power or