PYTHON SENSOR ARRAY

import numpy as np
from datetime import datetime
from dataclasses import dataclass

@dataclass
class BatchParameters:
    ph_target: float = 6.2
    ph_tolerance: float = 0.1
    temp_target: float = 4.0
    temp_tolerance: float = 0.3
    humidity_target: float = 97.0
    humidity_tolerance: float = 2.0

class SensorArrayValidator:
    def __init__(self, node_count: int = 12):
        self.nodes = [Node(i) for i in range(node_count)]
        self.batch_manifest = None
        
    def validate_batch(self, batch_id: str) -> bool:
        # Aggregate readings from all nodes
        readings = self._collect_all_readings()
        params = BatchParameters()
        
        # Check pH stability across array
        ph_variance = np.var([r.ph for r in readings])
        if ph_variance > (params.ph_tolerance ** 2):
            self._trigger_alarm("PH variance exceeds tolerance", batch_id)
            return False
            
        # Validate temperature envelope
        temp_min, temp_max = min(r.temp for r in readings), max(r.temp for r in readings)
        if (temp_max - temp_min) > (2 * params.temp_tolerance):
            self._trigger_alarm("Thermal gradient breach", batch_id)
            return False
            
        # Commit to manifest
        self.batch_manifest = {
            'batch_id': batch_id,
            'timestamp': datetime.now().isoformat(),
            'nodes_validated': len(self.nodes),
            'status': 'GREEN_LIGHT'
        }
        return True
    
    def _collect_all_readings(self):
        # Serial handshake with each node
        return [node.sample() for node in self.nodes]
    
    def _trigger_alarm(self, message: str, batch_id: str):
        # Wake-up protocol: SMS + siren + dashboard flash
        logger.critical(f"[{batch_id}] {message}")
        sms_gateway.send(+17155551234, f"ALARM: {message}")