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CH343P USB to Serial/TTL UART Module

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USB Interface Module for everyday users

The CH343P USB to Serial/TTL UART Module is a value-for-money usb interface module designed for everyday users. It features Item Type: USB to UART / USB to TTL Serial Converter Module and Model No. / Name: CH343P.

₹698
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Total: ₹698
Buying tip: A smart budget buy — solid performance without breaking the bank.
Estimated delivery: 18 Aug1 Sept
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Quick Specs

Item Type: USB to UART / USB to TTL Serial Converter Module
Model No. / Name: CH343P
Supply Voltage: 3.3V to 5V
Baud Rate (bps): 50 bps – 6 Mbps
Compatibility: USB V2.0
Data Bit: 5, 6, 7, 8

Ideal For

Electronics projectsArduino / Raspberry Pi buildsPrototyping
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SKU: robu-2696738Category: USB Interface Module

About This Product

The CH343P USB to Serial/TTL UART Module is a value-for-money usb interface module designed for everyday users. It delivers reliable performance at an accessible price.

Key Specifications

  • Item Type: USB to UART / USB to TTL Serial Converter Module
  • Model No. / Name: CH343P
  • Supply Voltage: 3.3V to 5V — works with standard household power
  • Baud Rate (bps): 50 bps – 6 Mbps
  • Compatibility: USB V2.0
  • Data Bit: 5, 6, 7, 8
  • Operating Voltage (V): USB : 5 / 3.3 — works with standard household power
  • UART I/O Voltage: 1.8V to 5V — works with standard household power

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

The CH343P USB to Serial Converter High-Speed Asynchronous Serial Module is a powerful and flexible USB-to-serial solution designed for modern development and industrial applications. Built around the CH343 chip, it allows seamless conversion between USB and high-speed UART communication with stable full-duplex performance up to 6 Mbps.

USB to Serial Converter With built-in firmware that emulates a standard serial port, it works smoothly with existing serial applications on Windows without any code changes. Supporting multiple voltage levels, MODEM control signals, RS485 direction control, and configurable EEPROM parameters, this module is ideal for upgrading MCUs, debugging embedded systems, and expanding serial connectivity via USB.


Features:

  1. USB 2.0 full-speed device interface
  2. Built-in firmware emulating a standard serial (COM) port
  3. Supports CDC class driver and high-rate VCP vendor driver
  4. Baud rate support from 50 bps to 6 Mbps
  5. Automatic baud rate recognition up to 115200 bps
  6. Full-duplex UART with independent TX/RX buffers
  7. Supports RTS, CTS, DTR, DSR, DCD, and RI signals

Package Includes:

1 x CH343P USB to Serial/TTL UART Module

Setup Guide

1
Identify the pins
Locate VCC (power), GND (ground), and data pins (SDA/SCL for I2C, MOSI/MISO for SPI, or TX/RX for UART). Refer to the pinout diagram on the product page.
2
Wire to your microcontroller
Connect VCC to 3.3V or 5V (check the module spec), GND to GND, and data pins to the appropriate GPIO pins on your Arduino or Raspberry Pi.
3
Install libraries
In Arduino IDE, go to Sketch → Include Library → Manage Libraries and search for the sensor library. Install the recommended version.
4
Upload example sketch
Open File → Examples → [library name] → Basic Example. Upload to your board and open Serial Monitor to view output.
5
Calibrate if needed
Some sensors (temperature, humidity, distance) may need a short warm-up period or calibration. Run the calibration sketch if provided.