Design for Analogue Temperature-Controller PCB
I want someone to design a complete, affordable analogue temperature-controller PCB for an 800-egg forced-air chicken incubator. Use my attached photograp…
Offer description
I want someone to design a complete, affordable analogue temperature-controller PCB for an 800-egg forced-air chicken incubator. Use my attached photographs of an old controller that was working good as a reference, but do not assume the original circuit is correct. Requirements: * Temperature adjustment: 30-40°C * Accuracy target: ±0.1°C * Precision waterproof NTC thermistor on 1.5m lead * LM393 comparator-based control or similar * External 10-turn temperature-adjustment potentiometer for accurate adjustments * Two independent 600 W heating stages * Four 300 W air-heating elements in total * 220–240 V AC mains input on the PCB as per sample and 220v AC output for heaters and pilot light * Isolated 5 V PCB-mounted power supply * Two separate solid-state relay ou...
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