On Apr 1, 2009, at 6:33 PM, Will Wright wrote:
Hello to the group,
I wonder if anyone would like to share a timing circuit and it's programming use with one of the URI I/O pins, lets say to control a fan to keep the transmitter cool on transmit and off when not in transmit. Thanks
I prefer mounting a thermal switch on the heat sink of the transmitter. This way, the fan is controlled by real need, not some imagined arbitrary need. When the ambient temp is cool, the fan runs very little. When the ambient temp is elevated, the fan runs longer. But the transmitter stays a comfortable temp. -- Randy Hammock KC6HUR http://kc6hur.net/~rhammock/ http://irlp.kc6hur.net/ If there are no horses in heaven, then when I die, I want to go where they went.