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STD Simple optocoupled biphase counter over Rs232
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Update time：
2021-04-12 07:32:03
Creation time：
2017-02-17 10:12:12
Description
This is a basic schematic and Arduino file for setting up a simple counter over a serial connection.
The input signal has a biphase logic (like incremental encoders).
Output is through RS232.
Send a * for resetting the counter.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | CON_ARDUINO | ARDUINO1 | CON_ARDUINO | 1 |
| 2 | 220 | R1 | AXIAL-0.3 | 1 |
| 3 | 4N35 | U1,U2 | DIP-6 | 2 |
| 4 | 1k | R2,R3 | AXIAL-0.3 | 2 |
| 5 | Header-Male-2.54_1x3 | P1 | HDR-3X1/2.54 | 1 |
| 6 | 204-10UYC/S530-A3 | LED1 | LED-3MM/2.54 | 1 |
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