Ci-dessous, les différences entre deux révisions de la page.
| Prochaine révision | Révision précédente | ||
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materiel:mcp3008:accueil [2016/12/02 16:41] resonance créée |
materiel:mcp3008:accueil [2018/01/25 23:12] (Version actuelle) resonance ancienne révision (2017/10/10 11:47) restaurée |
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| Ligne 8: | Ligne 8: | ||
| * {{: | * {{: | ||
| + | |||
| + | {{: | ||
| ===== Connection ===== | ===== Connection ===== | ||
| Connections SPI (logiciel) : | Connections SPI (logiciel) : | ||
| - | * MCP3008 VDD to Raspberry Pi 3.3V | ||
| - | * MCP3008 VREF to Raspberry Pi 3.3V | ||
| - | * MCP3008 AGND to Raspberry Pi GND | ||
| - | * MCP3008 DGND to Raspberry Pi GND | ||
| - | * MCP3008 CLK to Raspberry Pi pin 18 | ||
| - | * MCP3008 DOUT to Raspberry Pi pin 23 | ||
| - | * MCP3008 DIN to Raspberry Pi pin 24 | ||
| - | * MCP3008 CS/SHDN to Raspberry Pi pin 25 | ||
| - | Autres connections possibles | + | {{ : |
| + | |||
| + | |||
| + | ^ MCP3008 pins ^ Raspberry-pi pins ^ | ||
| + | | VDD | 5V ou 3.3v | | ||
| + | | VREF | 5V ou 3.3v | | ||
| + | | AGND | GND | | ||
| + | | DGND | GND | | ||
| + | | CLK | gpio12 | ||
| + | | DOUT | gpio16 | ||
| + | | DIN | gpio20 | ||
| + | | CS/ | ||
| + | |||
| + | |||
| + | On peut se brancher sur n' | ||
| + | On peut brancher le dispositif a chaud sur le raspberry pi. | ||
| ===== Installation ===== | ===== Installation ===== | ||
| Ligne 40: | Ligne 50: | ||
| ===== Code ===== | ===== Code ===== | ||
| + | |||
| + | Code pour recevoir via python dans pdextended les valeurs analogiques du MCP3008 | ||
| * {{: | * {{: | ||
| Ligne 56: | Ligne 68: | ||
| # Software SPI configuration: | # Software SPI configuration: | ||
| - | CLK = 18 | + | CLK = 12 |
| - | MISO = 23 | + | MISO = 16 |
| - | MOSI = 24 | + | MOSI = 20 |
| - | CS | + | CS |
| SECONDS = 0.02 | SECONDS = 0.02 | ||