this is to control the time of USB device . and it can set up the value you would like your customer to pay.
Chowhe Electronics timer board CH-18
this is used for power supply time control .
can be used with a coin acceptor or other devices that can output pulse signals.
the time can be set by seconds.
maximum time : 99:00 (minutes:seconds) or (hours:minutes)
specification
1. Controls electrical devices power
2. AC 1250W DC 500Watt electrical relay capacity.
3. Suitable for public place location
4. Digital timer: rate adjustable by owner through two simple push button switch;
size :54.30 mm × 91.0 mm
manual:
1.power wire : yellow wire +12V , black wire 0V(ground).
2.signal input : white wire connect to coin acceptor's output or other devices output .
3.connect USB wires to USB devices.
4.set up the time and price for machine to work by pushing buttons s1(+), s2(-), and s3(setup).
Setup process:
- Press S3 , into time setup mode , then use s1(+), s2(-), buttons to set up time as you need.
- Press S3 for 5 seconds , into price setup mode , then use s1(+), s2(-) to setup up the price value as you need.
For example , If you are using 10cent , 20cent and 50cent coins .you can setup with coin acceptor output as 1 , 2 and 5 pulses . then set up the time (say 10 minutes) and price (say value 5 ) , then when you insert coins and reach total amount 50 cents , the timer board will allow your machine to run for 10 minutes.