This USB to Serial UART (TTL level) adapter allows you to connect your computer through USB port and use it as a regular serial communication. All USB protocol is handled within this adapter. There is no other device or programming required.
![Pin en 1](https://www.gearmo.com/wp-content/uploads/2013/04/GM-TTL5VT-UART-Pinout.jpg)
Gearmo USB to 3.3v TTL Pin Header Cable Adapter
![Pin en 1](https://teamgloomy.github.io/images/btt_octopus_1.1_pins.png)
BTT Octopus v1.1 F429 Version Pin Names in Firmware
![Pin en 1](https://i.imgur.com/NoaRCr1.png)
GUIDE] Flash BIOS with CH341A programmer - BIOS Modding Guides and Problems - Win-Raid Forum
![Pin en 1](https://farm5.static.flickr.com/4065/4422309618_697b3e6dc5.jpg)
Basics: Finding pin 1 Evil Mad Scientist Laboratories
ATmega328 pin mapping with the Arduino Uno board.
![Pin en 1](https://www.protoexpress.com/wp-content/uploads/2022/04/polarity-check-for-an-ic-2.jpg)
Component Orientation and Polarity
![Pin en 1](https://how2electronics.com/wp-content/uploads/2022/08/L293D-Motor-Driver-IC-780x439.jpg)
L293D Dual H-Bridge Motor Driver IC Pins, Circuit, Working
The Pin 1 Problem Revisited - ProSoundWeb
![Pin en 1](https://www.fasteners.eu/img/products/din-1.jpg)
DIN 1 - Taper Pins
![Pin en 1](https://www.pokemoncenter.com/images/DAMRoot/Full-Size/10000/P8226_710-29979_01.jpg)
Pokémon Giant Pins: Arceus Oversize Pin