A number of apartments nowadays are still implementing a master – meteredform of billing in which the allocation of the pa...
Input                Process           Output  KEY                                          LCD BUTTON SENSOR             ...
Keypad Pic to picsimulation
Pic to picElectricity Level                           simulation   Indicator               Main line               connector
ROOM 1                         Electric    Switch                 Relay    Meter                                          ...
COIN   Room           SLOT  Numbers     OK          Cancel                /Change  UserInterface             Balance     S...
•   The developed coin slot prepayment system for household electricity can be a good    limiter for electricity usage bec...
•   The developed coin slot prepayment system for household electricity will    improve if the future researcher will used...
A development of a coin slot prepayment system
A development of a coin slot prepayment system
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A development of a coin slot prepayment system

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design project 1: dijie's

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A development of a coin slot prepayment system

  1. 1. A number of apartments nowadays are still implementing a master – meteredform of billing in which the allocation of the payment is divided by the number ofapartment units. With this kind of set up, all consumers pay an exactly the same amountregardless of consumer’s income, capability to pay and level of consumption. Thus, theconsumers are not aware of their daily consumption regarding the amount of electricityusage and its associated equivalent monetary cost. This may probably result overconsumption of electricity leading to unpaid bills and debts. An added burden is the costof disconnections and reconnections which, basically, is high.
  2. 2. Input Process Output KEY LCD BUTTON SENSOR PIC16F84A RELAY [ROOM1] [ROOM1] PIC16F877A SENSOR PIC16F84A RELAY [ROOM2] [ROOM2] SENSOR RELAY [ROOM3] PIC16F84A [ROOM3]COIN SLOT
  3. 3. Keypad Pic to picsimulation
  4. 4. Pic to picElectricity Level simulation Indicator Main line connector
  5. 5. ROOM 1 Electric Switch Relay Meter B ROOM 2Main BreakerLine Electric Switch Relay Meter B ROOM 3 Electric Switch B Relay Meter
  6. 6. COIN Room SLOT Numbers OK Cancel /Change UserInterface Balance Start
  7. 7. • The developed coin slot prepayment system for household electricity can be a good limiter for electricity usage because you can’t have electricity if you will not pay for it first.• The developed coin slot prepayment system for household electricity can give the end user an accurate amount of electricity depending on the equivalent amount value of money that is fed by the end user to the machine.• The developed coin slot prepayment system for household electricity will help it’s tenant in paying the electricity bills on time, since electricity is paid off before it is used and the tenant can withdraw the money anytime from the machine.
  8. 8. • The developed coin slot prepayment system for household electricity will improve if the future researcher will used Programmable Logic Controller (PLC) in exchange of using Peripheral Interface Controller (PIC).• For further research improvement, the coin slot prepayment system for household electricity may be utilized for a larger number of rooms.• The proponents recommend that a portable digital type of electric meter will be used in counting the electricity consumption.
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