I²C Address Space
The following tables lists BigClown I²C address space. All addresses are listed in 7-bit format.
| Address | Chip | BigClown Device | Remark |
|---|---|---|---|
| 0x00 | (reserved) | I²C reserved address | |
| 0x01 | (reserved) | I²C reserved address | |
| 0x02 | (reserved) | I²C reserved address | |
| 0x03 | (reserved) | I²C reserved address | |
| 0x04 | (reserved) | I²C reserved address | |
| 0x05 | (reserved) | I²C reserved address | |
| 0x06 | (reserved) | I²C reserved address | |
| 0x07 | (reserved) | I²C reserved address | |
| 0x08 | NT3H2011 | NFC Tag | Changed from default to avoid collision |
| 0x19 | LIS2DH12 | Core Module | Connected to I²C bus 0 |
| 0x38 | TCA9534A | CO2 Module | |
| 0x39 | TCA9534A | LCD Module | |
| 0x3B | TCA9534A | Relay Module | Default address |
| 0x3F | TCA9534A | Relay Module | Alternate address |
| 0x40 | HDC2080 | Humidity Tag (R2.x+) | Default address |
| 0x41 | HDC2080 | Humidity Tag (R2.x+) | Alternate address |
| 0x44 | OPT3001 | Lux Meter Tag | Default address |
| 0x45 | OPT3001 | Lux Meter Tag | Alternate address |
| 0x48 | TMP112 | Temperature Tag | Default address |
| 0x49 | TMP112 | Temperature Tag | Alternate address |
| 0x49 | TMP112 | Core Module | Connected to I²C bus 0 |
| 0x50 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x51 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x52 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x53 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x54 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x55 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x56 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x57 | (reserved) | Bridge Module | FT260 EEPROM search |
| 0x5F | HTS221 | Humidity Tag (R1.x) | |
| 0x60 | MPL3115A2 | Barometer Tag | |
| 0x64 | ATSHA204A | Core Module | Connected to I²C bus 0 |
| 0x70 | FT260 | Bridge Module | |
| 0x78 | (reserved) | I²C reserved address | |
| 0x79 | (reserved) | I²C reserved address | |
| 0x7A | (reserved) | I²C reserved address | |
| 0x7B | (reserved) | I²C reserved address | |
| 0x7C | (reserved) | I²C reserved address | |
| 0x7D | (reserved) | I²C reserved address | |
| 0x7E | (reserved) | I²C reserved address | |
| 0x7F | (reserved) | I²C reserved address |