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CJMCU CP2102 USB to TTL Serial Port UART STC Downloader - Blue

SKU: 392391
  • US$3.59

    17 %

  • 2.97
  • Free shipping To

  • Handling Time: Ships within 2-4 Business Days
  • Dispatch: Ships within 4-7 business days
  • Form Color:


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CJMCU CP2102 USB to TTL Serial Port UART STC Downloader - Blue
CJMCU CP2102 USB to TTL Serial Port UART STC Downloader - Blue

CJMCU CP2102 USB to TTL Serial Port UART STC Downloader - Blue

US$2.97 US$3.59 17%OFF 5 (1 reviews)
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CJMCU-CP2102 its highly integrated, built-in USB2.0 full-speed function controller, USB transceiver, crystal oscillator, EEPROM and asynchronous serial data bus (UART), supports full-featured modem signal without any external USB devices. CJMCU-CP2102 works with other USB-UART adapter circuit similar to the driver through the PC's USB port to a virtual COM port expansion in order to achieve the purpose.

CJMCU- gesture communication module USB to TTL module 5V power output TTL level kernel CJMCU-CP2102 CP2102 is a highly integrated USB-UART bridge to provide a minimum of components and PCB space to achieve a simple USB RS232 converter to solve program. Simply put, it is this: the user CJMCU-CP2102 USB interface and RS232 interface will be able to convert each other.


Original CP2102 chip to generate COM port after installing the driver.

MICRO MINI-USB connection standard input connected to a computer USB interface cable with two power 3.3V and 5V voltage output

With a resettable fuse. In the event of accidental short, can effectively protect your downloads and computer USB port

Onboard status indicator lights transceiver, properly installed rear drive status indicator lit, receiving indicator flashes when communicating with LED running lights.

Supports baud rates from 300bps ~ 1Mbps between

USB Block MICRO MINI-USB interface for seat

SMD components for the regular company of welding, stable quality, beautiful appearance

With DTR trigger signal output can be directly  pro mini ATMEGA328P board download programs and other communication

Embedded USB transceiver, without external circuit device

Containing clock circuit, no external circuitry is

Contains power-on reset circuit

On-chip voltage regulator output voltage 3.3V

In line with USB2.0 specification requirements

SUSPEND pin supports USB Suspend state

Asynchronous serial data bus compatible with all handshakes and modulation controller interface signals

Supported data formats for 8 data bits, 1 stop bit and parity bits

Connotation 512 byte receive buffer and 512 byte transmit buffer

Support for hardware or X-ON / X-OFF handshake

Quantity1 piece
Form ColorBlue
MaterialCCL + electronic components
English Manual / SpecYes
Download Link
Dimensions & Weight
Dimensions 0.87 in x 0.63 in x 0.2 in (2.2 cm x 1.6 cm x 0.5 cm)
Weight 0.18 oz (5 g)
Packing List
1 x Module
1 x Pin

All packages from are sent without DX logo or any information indicating Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

To enable volume discounts on this site, use coupon code: BULKRATE during checkout. You will see a discount applied at the bottom of the shopping cart. Competitive pricing is available. Contact us for details.

Quantity 3+ units 5+ units 10+ units
Rate US$2.63 shipped US$2.62 shipped US$2.61 shipped

What is Bulk Rate? BulkRate is a semi-wholesale system with items priced separately from retail. When you use bulk rates, a flat $1.70 registered air mail fee will automatically be added to your cart to ensure delivery of package. While BulkRate's intention is to offer cheaper prices when you buy in bulk, because it is priced separately it on occassions show a higher than retail price. That's why we ask you to enter BULKRATE as a coupon code to manually activate the rates. You can always opt not to use the bulk rates. If you are looking for wholesale prices please feel free to contact us.

Customer's impression:
No drivers needed Flawless!
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Recent Customer Reviews

  • 8776072 Post on 12/27/2015

    I Love this module! i needed a usb serial module that was small and easy to embed, so i got this as part of my own ESP8266 dev board, Just plug it in and NO DRIVERS NEEDED :D! (on windows 10 atleast) This module does 3.3v... Read more

    Impression:No drivers needed, Flawless!

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