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RS-232 Serial / Modbus Module for Arduino, Raspberry Pi and Intel Galileo [XBee Socket]

17 €17.00

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The RS-232 Serial / Modbus Module allows to connect console ports and special purpose equipment.

This product is compatible with Arduino, Raspberry Pi and Intel Galileo boards.

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Description

The RS-232 standard was first introduced in 1962 by the Radio Sector of the EIA. The original DTEs (data terminal equipment) were electromechanical teletypewriters, and the original DCEs (data circuit-terminating equipment) were usually modems. For many years, an RS-232-compatible port was a standard feature for serial communications, such as modem connections, on many computers. The RS-232 standard is still used to connect industrial equipment (such as PLCs), console ports and special purpose equipment.

The IEEE RS-232 standard defines electrical, signal timing, and size connectors. Use of a common ground, limits RS-232 to applications with relatively short cables. RS-232 connection consisting only of transmit data, receive data, and ground. RS-232 protocol uses bipolar signal. Valid signals are ±3 to +15 volts, the ±3V range is not a valid RS-232 level. Data signals between -3V and -15V represents a logic 1. The logic 0 is represented by a voltage of between +3V and +15V.

RS-232
Standard TIA-232-F
Cabling Single ended
Connector DB9
Network Topology Point-to-point
Maximum Speed 115200 bps
Signaling Unbalanced
Mark(1) -5...-15
Space(0) +5...+15
Signals Full Duplex (Rx, TX)

Related Tutorials

The RS-232 standard was first introduced in 1962 by the Radio Sector of the EIA. The original DTEs (data terminal equipment) were electromechanical teletypewriters, and the original DCEs (data circuit-terminating equipment) were usually modems.

For many years, an RS-232-compatible port was a standard feature for serial communications, such as modem connections, on many computers. The RS-232 standard is still used to connect industrial equipment (such as PLCs), console ports and special purpose equipment.

Modbus allows communication between many devices connected to the same network, for example a system that measures temperature and humidity and communicates the results to a computer

Many of the data types are named from its use in driving relays: a single-bit physical output is called a coil, and a single-bit physical input is called a discrete input or a contact.

The Multiprotocol Radio Shield is an interconnection shield for Arduino, and was designed to connect two communication modules at the same time. This that means a lot of possibilities and applications can be made using the cooking-hacks modules.

The Multiprotocol Radio Shield includes the SPI bus connections that allows the use of the RS-485 and CAN Bus modules, but also is compatible with the rest of the cooking-hacks modules as RFID, XBee and Bluetooth.

The current tutorial explains how to take the most of the Galileo board by using on it the Arduino and Raspberry Pi shields and modules designed by Cooking Hacks

Galileo comes with a single-core 32-bit, 400MHz Quark SoC X1000 processor, supports 3.3 or 5 volt shields and has an Ethernet and USB port. Compatible with Windows, Mac OS and Linux, the software of Galileo also has support for the Arduino shield ecosystem.

The idea behind the Raspberry Pi to Arduino shields connection bridge is to allow to use any of the shields, boards and modules designed for Arduino in Raspberry Pi.

It includes also the possibility of connecting digital and analog sensors, using the same pinout of Arduino but with the power and capabilities of Raspberry.

If you are interested in Internet of Things (IoT) or M2M projects check our open source sensor platform Waspmote which counts with more than 100 sensors available to use 'off the shelf', a complete API with hundreds of ready to use codes and a low consumption mode of just 0.7µA to ensure years of battery life.

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