>incubatotor that uses a micro controller that will maintain temperture with >in one degree farenhite Perhaps you can loosen your specifications on the temperature precission. The hens cannot achieve 1F stability and chicken still hatch. The temperature will also differ in different places inside the incubator unless you include a fan to equalize the temperature distribution. Josef ====================================================================== Electronical devices for chemical laboratory, custom electonics design ---------------------------------------------------------------------- Snail Instruments Josef Hanzal Vojanova 615 phone/fax: +420-311-24433 266 01 Beroun e-mail: snail@iol.cz Czech Republic URL: http://www.vitrum.cz/snail/ ======================================================================