PC interface studio

PS2 keyboard module (20 keys)

Code: 813 Name: tecps2

Diagram

Using this module you can implement an auxiliar PS2 keyboard to your projects. The module includes a pair of minidin connectors: one that support up to 20 keys and in the other you can attach a normal keyboard.

This is the set of supported characters: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, BS, Enter, F1, F2, F3, F4, F5, F6, F7, F8

By request another characters can be added to the module.

RS232 port tester

Code: 812 Name: test232

The test232 module lets you test quickly the RS232 ports of your PC or any other device. Because of its simple operation this tool is perfect to verify the state of the serial ports of your computer. Complex software or electronics knowledge is not needed to operate this module.

• Power supply: 9V DC Includes power adaptor 127V AC /9V CD
• Port: RS232 female DB9. Cable included to plug a PC
• Indicator leds: Tx and Rx

RS232 interface 8 I/O (5 input/3 output)

Code: 811 Name: inter5i-3or

Characteristics:

• Inputs: 5 digital inputs (resistance -5V DC)
• Outputs: 3 UPDT 10A relay outputs
• Interface: RS232 8N1 (2400 bauds)
• Power supply: 9V AC/DC

Programmable parallel interface

Code: 801 Name: ppi8255

Instructions (10Kb)

Provides 24 input/output lines (3 ports of 8 bits) for a PC. Intended for data acquisition and/or control of electronic devices.

Programmable with simple commands through languages like BASIC, Liberty BASIC, etc.

Hardware: Insertable board for PC slot. Flat cable 26 lines. Integrated circuits: 74HC688 and PPI8255.

Software: Floppy disk containing user manual also available in this site.

RS232 to RS485 Transmitter Half Duplex

Code: 809 Name: 232A485

With this board you can control up to 32 devices from your personal computer. In the RS232 port you can plug only one device at a time. Turn the port to a MULTIDROPING one and with a pair of cables in diferential mode you can transmit at one kilometer of distance.

Technical data: Power Supply: 9V AC/DC Indicator led: Tx, Rx, DTR/RTS Cables: 2 A,B and ground.

RS232 to RS485 Transmitter Full Duplex

Code: 810 Name: 485FD

With this board, you can control up to 32 devices using your PC. Full Duplex.

In the RS232 port you can plug only one device at a time. Turn the port to a MULTIDROPING one and with a pair of cables in diferential mode you can transmit at one kilometer of distance.

Technical data: Power Supply: 9V AC/DC, Indicator led: Tx, Rx, DTR/RTS Calbes: four Tx A, Tx B, Rx A, Rx B and ground.

RS232 Transmitter

Code: 803 Name: ComRS232

Learn to make controls that communicate with the PC using the serial port of a computer, you can send commands and read the state of contacts, turn on lights, relays or send messages to the computer.

This card easily adapts to many modules of PICmicro® MCU Studio.

Technical data: Part Code: ComRS232 Integrated DS14C232 Power source: 12V DC Tips and cables.

Software: Floppy disk containing schematic, application examples and internet addresses.