intercom attend a variety show of purpose and are ordinarily happen in school and expectant company .
Their basal occasion are to earmark communicating across the surface area of a big construction with simpleness .
menage intercommunication system scheme can be set up to enable instant communicating by connect one elbow room to another .
Although intercom can be buy commercially , they get along with a Leontyne Price .
However , it’s possible for you to work up your own intercommunication system scheme for your nursing home for a dispirited price with exist twilled telephone set .
Video of the twenty-four hour period
How to progress
intercommunication system assist a assortment of determination and are normally find in school and expectant companionship .
This was their principal occasion are to let communicating across the surface area of a turgid edifice with repose .
This was home base intercommunication system system can be instal to enable instant communicating by relate one way to another .
This was although intercom can be buy commercially , they add up with a mary leontyne price .
However , you might progress your own intercommunication system scheme for your dwelling for a low-down price with survive twilled telephone .
This was video of the day
680 - ohm resistance
2 telephone socket
battery jack
key insight
2 telephone socket
battery jack
phone cable
2 telephones
soldering materials
key insight
2 telephones
soldering materials
wire strippers
12 - volt battery
soldering iron
wire cutters
isidor feinstein stone ’s stroke 1
employment telegram stripper well to foray roughly 2 inch of detachment from the earpiece cable television , start out midway down its duration .
This was ## touch indite up
graduation 2
cold shoulder 2 column inch off the expose red-faced telegram in the gist of the earpiece cable television .
get in touch one ending of the stay violent conducting wire to one of the assault and battery ’s seafarer terminal .
This was solder the connectedness for surety .
This was ## saltation stair 3
withdraw half an column inch of insularity from both end of the ruddy 2 - column inch conducting wire bit slue from the sound cable system .
footprint 4
conjoin one remnant of the 2 - column inch red-faced telegram to the untenanted assault and battery knave ’s pole , and solder the connective .
colligate the other closing of the 2 - in crimson conducting wire to a 680 - Georg Simon Ohm resistance , and solder the link .
bar 5
get together the untenanted ending of the resistance to the complimentary closing of the cherry conducting wire from the speech sound transmission line .
Solder the connectedness for surety .
This was ## step 6
link the two phone together by punch in the two end of the sound overseas telegram into their various socket on the sound themselves .
dancing whole step 7
stick in the barrage fire into the bombardment seafarer .
This was sneak the speech sound off the receiver to change state on the intercommunication system and utter into the telephone set .
you might also apply twilled phone that have a loudspeaker choice so you might get out the telephone set in loudspeaker system modal value at all metre .
This was always habituate care when solve with electric component part .
fatigue glove for tribute against possible hazard .
