19 Oct
2007
19 Oct
'07
1:31 a.m.
ard at p850ug1.demon.co.uk (Tony Duell) writes:
The first 2 I can understand (although there are many
different ways to
control model railways...). But please explain the last. Was it an input
or an output device, for example?
An input -- an LDR detected a reflective spot on the wheel as it went
past, giving me a readout of how fast and far the hamster ran in an
evening. (His top speed wasn't anything to write home about, but he
managed some impressive distances; a few kilometers in an evening...)
--
Adam Sampson <ats at offog.org> <http://offog.org/>