The original Hw 131 was manufactured by several Chinese OEMs (no single “official” brand). However, a compiled technical datasheet is available from:
Do not exceed 12V input, as this can damage the regulators.
| Pin | Signal | Description | |----|--------|-------------| | 1 | VIN | Unregulated input voltage (passed through) | | 2 | NC | Not connected | | 3 | +5V | 5V regulated output | | 4 | +3.3V | 3.3V regulated output | | 5 | GND | Common ground | | 6 | GND | Common ground | | 7 | GND | Common ground | | 8 | GND | Common ground |
The original Hw 131 was manufactured by several Chinese OEMs (no single “official” brand). However, a compiled technical datasheet is available from:
Do not exceed 12V input, as this can damage the regulators.
| Pin | Signal | Description | |----|--------|-------------| | 1 | VIN | Unregulated input voltage (passed through) | | 2 | NC | Not connected | | 3 | +5V | 5V regulated output | | 4 | +3.3V | 3.3V regulated output | | 5 | GND | Common ground | | 6 | GND | Common ground | | 7 | GND | Common ground | | 8 | GND | Common ground |
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