USB-Serial adapter CP2104, 5V/3.3V, digital I/O, Micro-USB

USB-Serial adapter CP2104, 5V/3.3V, digital I/O, Micro-USB

Marsoni

M251S

$122.50

Get it in 3 business days with 1 day shipping. Friday, May 29

USB-Serial adapter CP2104, 5V/3.3V, digital I/O, Micro-USBThis USB to UART Bridge is a module, base on Silicon Labs CP2104 UART bridge, and it is a good solution for connecting micro controllers and other digital serial devices to PC. For connecting to PC used micro USB socket. The device also features up to four GPIO signals that can be user defined for status and control information. Direct access driver support is available through the Silicon Labs USBXpress driver set. See www. siliconlabs. com for the

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Didn't really believe the hype. Did a little research and watched Project Farm and decided to try. Im not a snake oil guy....but I will say my 2013 common rail TDI is quieter and I get a tad more fuel mileage. Does it pay for itself? Well, it does get better mpg, but I feel the reduction in noise most likely relates to less wear and tear and thats good enough for me. Im only using 1oz per fill up (about 14 gallons) so it lasts a very long time. I get 40mpg and im not light footed.

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Reviewed in the United States on April 2, 2026

Verified Purchase

James Jay

Cuba, US

★★★★★ 5

It's a spark plug

What i needwd

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Reviewed in the United States on May 27, 2026

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Pawtucket, US