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RS232 ttl converter/adapter kit MAX232 for avr/pic/gps
RS232 to TTL Signal Converter Kit
This Converter is designed to be used by plug into a breadboard directly or by flier wires connect to your target board.
The small RS232 Converter provides Rx/Tx pins and 2 control pins for either DSR/DTR or CTS/RTS handshake signals. The handshaking options (Jumper configurable) can be configured as a null modem with no handshaking (4-wire), or with DSR/DTR handshaking or with CTS/RTS handshaking (6-wire).
It has a standard DB9 female RS232 connector and can be connected to a standard PC COM port or any other terminal with a straight thru extension cable. The 6-pin header connects to any micro controller board that requires serial I/O. The micro controller board provides operating voltage (5 volts) to the adapter.
This module works with Microchip PICs, Basic Stamps, Atoms, and any other microchip and microcontroller and anywhere you need TTL to communicate via RS232.
It can be used as a bootloader interface; with a support of a bootloader chip then you can program the microcontroller in-circuit program, such as PIC using the C6, C7 hardware serial port. Can use it for bootloading with handshaking signal.
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(Capacitors color may be different as picture)
Schematics (Click here for larger view )
Request To Send (RTS) or Data Terminal Ready (DTR)
Clear To Send (CTS) or Data Set Ready (DSR)
1. Null modem (handshake loopback) 1-2 and 5-6
2. CTS/RTS handshake 2-4 and 1-3
3. DTR/DSR handshake 3-5 and 4-6
* RS-232 Bus-Pin ESD Protection Exceeds 15 kV Using Human-Body Model (HBM)
* Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
* Operates With 5V VCC Supply
* Low Supply Current . . . 300 uA Typical
* Five capacitors enclosed noise filtering
* Configurable handshaking signal for RTS/CTS and DST /DTR
* High quality double sided printed circuit board with silk-screen and two mounting holes
* Small and compact in size 1.25 x 1.375 inches
* Directly plug in the breadboard
* Set your Real Time Clock project via RS-232
* Read values and send them to the PC
* Turn your PC into a thermometer or voltmeter using Visual Basic or other software.
* Control a motor, lights, sensors or what ever with your PC.
* As a microcontroller bootloader interface
Capacitors (color may be different as picture and no-polarity)
