StarTech Micro-USB Male to USB Female OTG Host Adapter (5", White) Continuous Lighting and both have a 1/4"-20

and both have a 1/4"-20 female threading

5 lb Box Dimensions (LxWxH) 4

The Arduino Pro Mini also works with the FTDI cable but the FTDI cable does not bring out the DTR pin so the auto-reset feature will not work

no external power required LED Power On

StarTech Micro-USB Male to USB Female OTG Host Adapter (5", White) Continuous Lighting and both have a 1/4"-20Supports USB OTG Capable Devices Aluminum Mylar Foil with Braided Shield Durable PVC Construction Nickel Connector Plating RoHS Compliant The 5" white Micro USB Male to USB Female OTG Host Adapter from StarTech lets you convert the Micro USB port on your smartphone or tablet into a USB host port that you can use to connect a USB peripheral device such as a thumb drive, mouse, or keyboard. The adapter cable features one Micro USB (B type) male