Created
September 29, 2018 10:37
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Partlist
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| C2 100nF (on bottom!) | |
| IC1 4066N (on bottom!) | |
| C1 470uF | |
| R1 1k | |
| D1 1N4004 | |
| R2,R3,R4 100R | |
| ZENER 5.1V | |
| R6 6k8 | |
| R5 3k3 | |
| HU 2x5 header | |
| 12V 1x2 header | |
| NANO Arduino Nano (USB port to the PCB edge) | |
| BT Bluetooth Module CSR8645 with 12V regulator (regulator "on top") | |
| Careful with the 12V header, space is a bit tight to the HU header. | |
| Pin Out HU Header | |
| Numbering is non-default (sorry): | |
| ___ | |
| [1] 2 =3= 4 5 | |
| 6 7 8 9 10 | |
| PCB MELBUS | |
| 1 Gnd Shield | |
| 2 Audio Gnd 2 | |
| 3 Busy 5 | |
| 4 Audio Left 6 | |
| 5 NC - | |
| 6 NC - | |
| 7 V_Run (12V) 3 (optional) | |
| 8 Clock 1 | |
| 9 Data 4 | |
| 10 Audio Right 7 | |
| The 12V pin header: | |
| The marked pin (outer pin) is connected to the Arduino Nano and the bluetooth module. | |
| The unmarked inner pin is connected to V_Run. | |
| Either connect the outer pin to an external 12V source (e.g. cigarette ligher), or connect the inner to the outer pin. |
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