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cheapy 'Zero Delay' USB encoder
InfantSorrow:
--- Quote from: PL1 on February 24, 2014, 03:43:44 am ---The fact that it's erroring with just the ground connected is a troubling sign.
Try separating the two circuits.
On the ZD:
-What is the voltage difference between the button leads?
On the coin mech:
- What is the voltage difference between the coin mech coin wire and ground?
- What voltage is it when the zener diode is disconnected?
Unless the zener is damaged, it should only regulate voltages that exceed 5v, any voltage at or below 5v shouldn't be affected.
The only other option that comes to mind is that you bought a coin mech that is designed to connect to a 3.3v microcontroller.
The model number of the coin mech and a link to the page where you bought it may also prove helpful. ;D
Scott
EDIT: Most of the time, I'll read all the posts in Main/Project Announcements/Woodworking/Artwork/Forum Discussion/Wiki Discussion/Pinball before I notice a PM or e-mail -- just sayin'. ::)
--- End quote ---
Well, don't look at me like I'm freaken Frankenstein Scott.. give daddy a hug lol
- The voltage difference between working button leads is 4,5v
- Coin mech coin wire (NC) and ground is 3.74v (with diode)
- Coin mech coin wire (NC) and ground is 4.53v WITHOUT the diode??? Very strange.
I'm no electronics guru, but doesn't that mean I can connect the coin mech pulse wire to the usb encoder WITHOUT a diode? lol
Here is the coin mech I am using, bought it from these guys :
http://www.arcadespareparts.com/arcade_parts/coin_comparator_coin_validator/electronic_coin_comparator/13381.html
Find attached a pic of the supplied coin mech manual, not that it contains anything useful (I think)
Cheers,
The infant
InfantSorrow:
--- Quote from: BobA on February 24, 2014, 08:47:32 am ---Check to see you are using the actual ground wire on the zd. Colors do not matter the ground comes from the wire closest to the edge of the card.
--- End quote ---
Well, if I knew what the hell I was doing... lol haha. I'm a software developer, I leave the hardware to you guys!
Here are some pics though.
Thanks for trying Bob. Your inputs are appreciated.
BobA:
It looks like in the diagram you use the black wire from the ZD encoder input to connect to your ground. That is not a ground wire the other wire is. The one closest to your board edge or red if I am seeing colors correctly is the ground.
Reverse your connections.
JDFan:
--- Quote from: BobA on February 24, 2014, 11:59:40 am ---It looks like in the diagram you use the black wire from the ZD encoder input to connect to your ground. That is not a ground wire the other wire is. The one closest to your board edge or red if I am seeing colors correctly is the ground.
Reverse your connections.
--- End quote ---
^ THIS -- see pic below (click to enlarge)
InfantSorrow:
--- Quote from: BobA on February 24, 2014, 11:59:40 am ---It looks like in the diagram you use the black wire from the ZD encoder input to connect to your ground. That is not a ground wire the other wire is. The one closest to your board edge or red if I am seeing colors correctly is the ground.
Reverse your connections.
--- End quote ---
Hi Bob
Please take a look at the pic. Just to be clear, you want me to swap the black wire and the red wire from the button connectors around? (new config to be usb encoder black wire to pulse and usb encoder red wire to ground)
It wont mess up the encoder if the polarity is reversed?
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