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CONVERTOR BOARD

CP2102 USB TO TTL Convertor Module

CP2102 USB TO TTL Convertor Module

Approx. Rs 175 / Piece

The CP2102 is a highly-integrated USB-to-UART Bridge Controller providing a simple solution for updating RS-232designs to USB using a minimum of components and PCB space. The CP2102 includes a USB 2.0 full-speed function controller, USB transceiver, oscillator, EEPROM, and asynchronous serial data bus (UART) with full modem control signals in a compact 5 x 5 mm MLP-28 package.The CP2102 UART interface implements all RS-232 signals, including control and handshaking signals, so existing system firmware does not need to be modified. In many existing RS-232 designs, all that is required to update the design from RS-232 to USB is to replace the RS-232 level-translator with the CP2102.

Features of CP2102

FT232RL USB TO TTL 5V 3.3V Convertor

FT232RL USB TO TTL 5V 3.3V Convertor

Approx. Rs 250 / Piece


FT232RL USB TO TTL 5V 3.3V Convertor

The FT232RL is a USB to serial UART interface IC with the following advanced features:

Features of FT232RL USB TO TTL 5V 3.3V Convertor


NOTE: PC Interfacing Cable is not provided with this module

PL2303 USB To RS232 TTL Converter Adapter Module

PL2303 USB To RS232 TTL Converter Adapter Module

Approx. Rs 100 / Piece

Description
Features

CP2102 Based USB To Serial Convertor

CP2102 Based USB To Serial Convertor

Approx. Rs 275 / Piece


Description: This is a simple to use USB to Serial Converter. It outputs RS232 level signals on the TX and the RX line. Unlike the cheap converters available in the market, which rarely work, if at all, this converter is highly reliable and can be used on all major operating systems, computers and laptops.

This converter is USB powered and needs no external power. It can provide the USB port's 5V power supply to an external circuit.You can also get TTL level RX and TX signals from the header pins on the board. The board has standard 3 mm mounting holes for easy mounting.
When connected to USB port this converter sets up a virtual serial port which can be used and interfaced just like any normal serial port. You can use this board with all our development boards to do serial communication through USB. You can also program our development boards, which support serial bootloading, through USB using this converter.

This USB to Serial converter uses the popular CP2102 IC from Silicon Labs for the USB conversion. This board can be used on all major operating systems.

Serial Rs232 To TTL Max3232 Convertor

Serial Rs232 To TTL Max3232 Convertor

Approx. Rs 90 / Piece


Descriptions :-

A Serial RS232 to TTL converter. It converts serial Tx and Rx from RS232 to TTL voltage signals and vice-versa. You can use to interface a robot or a microcontroller with serial interface with a computer with a RS232 Port. The board needs to be powered externally with 5V during use.

MAX485 RS-485 Module TTL to RS-485 Module

MAX485 RS-485 Module TTL to RS-485 Module

Approx. Rs 90 / Piece

The modules makes it simple to use with microcontroller's UART to to create bidirectional RS485 networks.

Specifications

Typical Connections between MCU and MAX485

MCUMAX485Details
TX-OUT-UARTDI - Data Input
RX-IN-UARTRO - Receive Output
TX_ENRE-DE combined pins called as TX_ENWhen MCU Wants to Transmit it makes TE_EN high, else LOW

USB to RS485 USB-485 Converter

USB to RS485 USB-485 Converter

Approx. Rs 125 / Piece


Specification:

Driver Available at following Direct download link

 

RS232 To RS485 Serial Converter Adapter

RS232 To RS485 Serial Converter Adapter

Approx. Rs 400 / Number

Specifications:

 

Description:

In order to carry through remote digital communication between computers with various standard series interfaces converter facilities or intelligent instruments, it needs inter exchange of standard series interface converter of compatible RS-232C and RS-485/422 standard is able to convert mono-end RS-232 signal to balance difference RS-485/422 signal and extend the communication distance to 1.2km. No external power but adopts a particular
RS-232 charge pump to drive the system, and gains electricity without initializing the RS-232 series interface. An internal zero delay auto transceiver and particular I/O circuit automatically control the data stream direction in stead of an handshake signal (for example  RTS,DTR etc).There by in guarantees the function under RS-485/422 without changing the program compiled under RS-232 Full-duplex mode and assures the adaptation to current operation software and interface hardware. The transmission rate of 300-115.2kbps. Is capable of applying between host computers, host computer and is extensions or external equipment and forms point-to-point or point-to-multipoint remote and multi-communication network, It implements multi-machine response communication and commonly used in systems of industrial automation control all-one-card. Door safe, car parking, ATM, bus charge, eatery sell out, staff attendance management, and toll highway etc.

Connector an signal:
RS-232C bay-line distribution

DB9 Female(PIN)

RS-232C Interface Signal

1

Protective

2

RXD SIN

3

TXD SOUT

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

9

RI

 

 

RS-485/422 data output   connector and bay-line distribution

DB9 Male(PIN)

Data Output

RS-422 Full-Duplex

1

T/R+

(A+)

2

T/R-

(B-)

3

RXD+

(A+)

4

RXD-

(B-)

5

GND

Ground Wire

6

VCC

+5V Standby Power input


PCF8591-ADC-DAC Analog Digital Converter Module

PCF8591-ADC-DAC Analog Digital Converter Module

Approx. Rs 150 / Piece


This particular module is suitable for tutorial use and perhaps for some hobbyists. Its drawback is that its I2C address is hard-wired to all zeros. (Note that I2C is a very effective 2-wire communications standard that is used by many small semiconductor devices such as microcontrollers and sensor peripherals.) If the address lines could be jumpered high or low, then several identical modules could be placed on the same I2C lines. I would therefore recommend the alternative module named the Mini PCF8591 AD DA Shell Module because it has that capability. It is also at least three times the price.

The IC permits only 8 bit data allowing only 256 steps in the analog output value or the digital output value. This is likely borderline for hobbyists who may want to build instrumentation or test equipment.

My tests show another frustration: A lower than expected analog output voltage. For a 4.88 volt supply the output is only 4.17 volts (85%) at maximum value setting. Since the maximum supply voltage is 8 volts, increasing the supply to 6 volts may get a 5 volt result. I did not remove the green LED and related resistor to see if the problem was simply an excess current drain from the IC’s AOUT.

Reference: PCF8591 8-bit A/D and D/A converter Product Specification, 2003-01-27, Philips Semiconductor.

 

PCF8591 Module YL-40

The module is composed of:

I2C Logic Level Converter 4 Channel Bi- Directional Module

I2C Logic Level Converter 4 Channel Bi- Directional Module

Approx. Rs 90 / Piece

The level converter is very easy to use. The board needs to be powered from the two voltages sources (high voltage and low voltage) that your system is using. High voltage (5V for example) to the HV' pin, low voltage (3.3V for example) to LV', and ground from the system to the GND pin.

Features:

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