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Serial I/O Board |
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Rear View |
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Serial I/O Board |
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Front View |
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Serial I/O |
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The Protype |
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Designed for control and sensing applications, this board provides 16 relay outputs, 4 optically isolated digital inputs and 4 analog inputs. It can be used in various applications to control and monitor (ham) equipment. It is controlled via a serial port connection using simple text commands. After command is sent to Serial I/O board the computer may be powered down without affecting the state of the relays. A PC is used to send commands and monitor the inputs.
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Click on photo to enlarge.
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| Schematic Sheet 1 | Commands Set | Port Setting | |||||||||||||||||
| Schematic Sheet 2 | Bits per second :9600 | ||||||||||||||||||
| Schematic Sheet 3 | Data bits :8 | ||||||||||||||||||
| Assembly Drawing | Parity :None | ||||||||||||||||||
| Composite Drawing | Stop bits :1 | ||||||||||||||||||
| Flow control :None | |||||||||||||||||||