Boardoza CH340 USB-C to TTL Converter Breakout Board

Boardoza CH340 USB-C to Serial Breakout is an easy-to-use USB-to-Serial adapter based on the CH340C and takes advantage of the handy USB-C connector.

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Converts USB port to TTL serial port.
CH340G integrated is used.
It can work with 3.3V or 5V. VCC selection is made with jumper.
Type C USB.
There are 6 Pin TTL connector output pins. These pins are GND, RXD, TXD, 3.3V, EN and I0.
Working voltage can be adjusted to 5V or 3.3V.
It easily communicates with an MCU with TTL outputs.

PIN Number	PIN Name	Description
1	RX	Serial Data Input, set up controlled pull-up and
2	TX	Serial Data Output (opposite phasic output of CH340R)
3	IO0	Programming and run modes
4	EN	Programming and rund modes
5	3V3/5V	Power Supply
6	GND	GROUND

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