HI Lorren, >Try Steve at Small Bear Electronics, http://www.smallbearelec.com Thanks for that link! not only does he have the chips, he has better stuff too! Marvellous! Now to brush up on my "mad electronix skillz" :-) Cheers, Robin. ==================================================================== The contents and any attachments of this electronic mail message are confidential and intended only for the named addressees. Dissemination, forwarding, publication or other use of the message or attachments by any unauthorised person is strictly prohibited. Unless stated to the contrary, any opinions expressed in this message are personal and may not be attributed to AXA Sun Life or any member of the AXA Group of Companies. Internet e-mails are not necessarily secure. AXA Group does not accept responsibility for changes made to this message after it was sent.