USB-Serial adapter/microcontroller CP2104, 5V/3.3V, digital I/O, Micro-USB
Silicon Labs CP210x device Driver v.6.7.4.261 download for Windows - deviceinbox.com
Silabs CP2104 USB UART modules - XTL :: Blog
CP2104 USB 2.0 to TTL UART 6PIN Module Serial Converter STC PRGMR Replace CP2102 With Dupont Cables|Instrument Parts & Accessories| - AliExpress
ESP8266 Wemos D1 mini PRO v1 – CP2104 USB driver
Pololu - CP2104 USB-to-Serial Adapter Carrier
Pololu - CP2104 USB-to-Serial Adapter Carrier
Buy CP2104 USB 2.0 To TTL UART 6PIN Module Serial Converter STC PRGMR Replace CP2102 at affordable prices — free shipping, real reviews with photos — Joom