V2 : Poultax climate controller

Main Controller Item Specification Model ESP32 Dual-Core Processor Xtensa LX6 @ 240 MHz RAM 520 KB SRAM Flash 4 MB Wireless Wi-Fi 802.11 b/g/n 2.4 GHz / Bluetooth 4.2 Ammonia Sensor (MQ-137) Item Specification Detection Range 5 – 500 ppm Operating Voltage 5V DC Response Time ≤ 30 seconds Preheat Time ≥ 24h (first use) / ≥ 1 min (normal start) Temp & Humidity (DHT22) Item Specification Temperature -40°C to +80°C (±0.5°C) Humidity 0–100% RH (±2%) Relay Module (JQC3F-05VDC-C) Item Specification Coil Voltage 5V DC Max Load 10A / 250VAC | 10A / 125VAC Certifications UL + CQC Power Supply Item Specification Input 220V AC / 50Hz Output 5V DC (via AC-DC converter module) 3. Relay & Exhaust Fan Wiring Warning: Wiring involves 220V AC. Must be performed by a qualified electrician. Component Device Pin Relay / Fan Pin Note Power 220V AC IN AC-DC Module 220V → 5V DC ESP32 (VCC) 5V Relay Coil + Coil: 5V DC ESP32 (GND) GND Relay Coil – Common GND ESP32 (Ctrl) GPIO Pin Relay IN (Signal) Control pin Exhaust Fan 220V AC COM → NO Max 10A/250VAC 4. Software Specifications — V2 Platform In this version the device connects to the syntax IoT cloud platform via the internet after providing us with the Wi-Fi network name and password. Installation and setup are performed by the syntax IoT team. Feature Description Live Dashboard Real-time readings on platform and browser Remote Monitoring Monitor data from anywhere via the syntax IoT platform Sensor Calibration Calibrate sensors via platform or web interface Day / Night Mode Auto-switch alert thresholds between day and night Engineer Log All changes logged on platform with engineer name & timestamp Excel Export Export reading logs as Excel from platform or browser Fan Control Auto or manual fan control — remote control available Alerts Platform alerts when thresholds are exceeded Connectivity Wi-Fi — device connects to syntax IoT platform via internet 5. V1 vs V2 Comparison Feature V1 — Web Server V2 — Platform Connectivity Local network only Internet + syntax platform Remote Monitoring Not available Available anywhere Notifications No Yes — on platform Local Dashboard Yes — browser Yes — browser + platform Excel Export Yes Yes Engineer Log Yes Yes Day/Night Mode Yes Yes Internet Required No Yes Installation Client connects directly syntax sends team 6. Installation Requirements — V2 Item Requirement Wi-Fi Network 2.4 GHz — network name and password required Internet Stable internet connection at installation site Installation Done by syntax IoT team after receiving network details Platform Account Created by syntax IoT upon delivery 7. Operating Conditions Item Specification Operating Temp -10°C to +60°C Humidity 5% – 90% RH (non-condensing) Altitude ≤ 2000m Environment Indoor Protection IP30