E
Ed
Guest
I'm in need of a garage door alert so there is a small red light in
the house indicating it's open.
I bought one made by LiftMaster, but it's not quite right for my
situation. It consists of a battery
powered RF sender that you stick on the garage door and a receiver
that you stick on the wall inside.
There are two problems with it. First, the sender will report it the
door closed when it reaches about 50-60
degrees off horizontal. This would work OK for a roll-up door if
mounted on the uppermost segment, but
for a one-piece tilt-open door like mine it will report it closed when
the door is still partially open, such as
I sometimes leave it while my car is cooling down. The second problem
is the receiver is not what you would
call a decorator piece. It is a black plastic case about 3"x4" with a
floppy little 8" wire for an antenna and
a wall-wart power supply. If I put it out of prominence it won't be in
clear view and thus will not meet the basic need.
I'm thinking about building one. I could easily mount a limit switch
of some kind that opens or closes when the door
is really closed. Lead wires would connect to a small circuit project
box mounted on the garage wall, the other side of which is
the living room. I would drill through the wall and mount a tiny LED
on the inside wall. If done well, it would not
be conspicuous, except when it was on.
So, has anyone done something like this? Seems like it could be done
with a transistor (or relay), a resistor or two,
and a battery holder.
BTW, the LiftMAster 915LM is for sale!
TIA
Ed
the house indicating it's open.
I bought one made by LiftMaster, but it's not quite right for my
situation. It consists of a battery
powered RF sender that you stick on the garage door and a receiver
that you stick on the wall inside.
There are two problems with it. First, the sender will report it the
door closed when it reaches about 50-60
degrees off horizontal. This would work OK for a roll-up door if
mounted on the uppermost segment, but
for a one-piece tilt-open door like mine it will report it closed when
the door is still partially open, such as
I sometimes leave it while my car is cooling down. The second problem
is the receiver is not what you would
call a decorator piece. It is a black plastic case about 3"x4" with a
floppy little 8" wire for an antenna and
a wall-wart power supply. If I put it out of prominence it won't be in
clear view and thus will not meet the basic need.
I'm thinking about building one. I could easily mount a limit switch
of some kind that opens or closes when the door
is really closed. Lead wires would connect to a small circuit project
box mounted on the garage wall, the other side of which is
the living room. I would drill through the wall and mount a tiny LED
on the inside wall. If done well, it would not
be conspicuous, except when it was on.
So, has anyone done something like this? Seems like it could be done
with a transistor (or relay), a resistor or two,
and a battery holder.
BTW, the LiftMAster 915LM is for sale!
TIA
Ed