atm-environment-alarm-system #27
Updated by Carsten Poulsen 9 days ago
Note: ALL PINS can be rearranged. The current reflects so only the test system. | Type | GPIO | Descr | | remark | Output |---------|------|-------------------------------------|---|----------| | Output | 2 | * Green Lamp | | | = GPIO02 | Output | 4 | * Amber Lamp | | | = GPIO04 | Output | 5 | * Red Lamp | | | = GPIO05 | Output | 12 | * Sounder | | | = GPIO12 | Output | 13 | * Filter | | | = GPIO13 | Output | 14 | Closed-Circuit | | | * Closed Circuit Relay = GPIO14 Input | Input | 15 | * Sounder Reset Filter/Sounder WiFi Provision | | | Button = GPIO15 | Input | 18 | * Activate Filter | | conflict | filter = GPIO18 <- conflicting I2C SPS30 uses I2C * SCL_GPIO=18 * SDA_GPIO=17 |_. head1 |_. head 2 |_. head foo | I2C:SCL bar | 18 | SPS30 SCL | | conflict | | I2C:SDA foo | 17 | SPS30 SDA bar | | baz |