USB to TTL Converter Module CH340 3.3V 5V
$3.00
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1- Module size: 4 x 2.2 cm / 1.57 x 0.86 inch2- Color: Golden3- Brand new CH340G original chip4- Switching Output TTL 3.3V / 5V (with bridge)5- 3.3V and 5V output voltage to provide programmed control6- With power LED PWR, TXD and RXD indicator light7- Used to update your device8- Used for various diagnostic9- Can be used for gas LPG ECU interface adjustments
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