Greenhouse Computer by Colin Meikle
-----------------------------------
** updated 28/10/98

Everyday Practical Electronics July/ August 1998

Now you can pamper your plants using this microcontroller-
based project, which controls the heating and watering of a
greenhouse, conservatory or similar.

Features:

* AT89C2051-based microcontroller
* Two separate channels for temperature monitoring
* Present, min and max temperature display
* 2-level thermostatic heater control
* Automatic plant watering, via relay outputs
* Monitoring of water reservoir level
* Optional 418MHz radio-link to remote display unit
* 2 line 20 char l.c.d.

The radio link interface uses ready-constructed DTI
approved modules for ease of construction. The source code for the
microcontroller is available free from the EPE FTP site - please
fetch the file greenhse.zip located in this directory.

Professionally-designed PCB available from the EPE PCB service
which can be purchased on-line via our Secure Server.

The author's E-mail address is colin.meikle@virgin.net

Please check the EPE web site for details of subscriptions,
Back issues etc.  http://www.epemag.wimborne.co.uk.

The latest version of this file is available from
ftp://ftp.epemag.wimborne.co.uk/pub/8051/Greenhouse

Last updated 28th October 1998