COMPLETE PROJECT WITH A CHEAP ELECTRONIC PARTS
COIN ACEPTOR (USED FROM OLD MACHINE)
RELAY 12 V
MECHANICAL COIL FROM DING DONG MECHANICAL BELL
SIMPLE SCHEMATIC WITH A FEW ELECTRONIC PARTS.
Step 2: INSIDE PICTURE
COIN ACEPTOR ,ARDUINO,MECHANICAL PART, POWER SUPPLY 12 V D.C 1A
Step 3: COIN ACCEPTOR MONEYCONTROL SR-3
MANUAL PROGRAMING COIN ACEPTOR FOR 6 COINS:
iNSTRUCTION MANUAL HOW TO PROGRAM FOR LOCAL COINS (LEARNING MODE):
Step 4: DING DONG MECHANICAL BELL
After all my thinking how to make mechanical part I found suddenly in local store !
Step 5: ARDUINO CODE
Code is very simple but I had some problems in some unpredictable problems.Adding external PULL UP resistors and adding parallel capacitor to the ding dong bell because coil sends some obstruction to the electronics (cost me 2 days).
If somebody like this contact me on firstname.lastname@example.org for the source code.
Step 6: VENDING MACHINE AT WORK!
Usefull for cigarettes,medical mariujana and other things like sweets,condoms e.t.c.
and also for piggy bank savings.