COMPLETE PROJECT WITH A CHEAP ELECTRONIC PARTS
ARDUINO
COIN ACEPTOR (USED FROM OLD MACHINE)
POWER SUPPLY
6 RESISTORS
RELAY 12 V
MECHANICAL COIL FROM DING DONG MECHANICAL BELL
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 [email protected] for the source code.
Usefull for cigarettes,medical mariujana and other things like sweets,condoms e.t.c.
and also for piggy bank savings.