Start by soldering a nine volt
battery snap to the piezo alarm
leads and cover the soldered
connections with heat shrink
tubing. Then, use a pair of small
bolts and nylocks to attach the
piezo alarm to the boom.
The battery wire enters into the
lunch box through a hole, so find a
location for this hole in a corner of
the lunch box and near the antenna
boom. Cut the hole just large
enough for the nine volt battery
snap to push through.
Protect the alarm wires from
getting snagged or pulled on by
using a couple of nylon zip ties to
hold the wires against the antenna
Mount the antenna to the
other side of the antenna boom.
I strongly encourage the use of an
antenna plate, and then bolting this
■ FIGURE 5.
One side of
two of the
with every prototype order
authenticate, track & protect
Call Tyler: 1 707 447 7744
PCB-POOL® is a registered trademark of
March 2013 71