Project:Tool Access Control/ACNode-cl
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Objective
- Get an reduced functionality acnode out there ASAP and add improvements incrementally as they are developed/needed.
- Have a platform that's fexible enough to do other things (power metering, display driving, etc)
Updates
- 5-OCT-2014: Switching to a PN532 chipset reader, had to write a library for energia. issue with not enough current to drive the SSR relay being looked into by tgreer
- 12-AUG-2014: Problem discovered with support for mifare classic cards (old oyster, barclaycard)
- 11-AUG-2014: Ready for integration with the Lulzbot
Specs
Minimal implemnentation.
Based on:
- TI Connected Launchpad ~ £15
RC522PN532 chipset ~ £10- Solid state relays for equipment control ~ £2 (http://www.ebay.co.uk/itm/Solid-State-Relay-For-PID-Temperature-Controller-Output-24V-380V-25A-SSR-25-DA-/191296681130?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item2c8a2bb4aa)
- uln2003 Darlington array or similar to switch 5V from Connect Launchpad for relay ~ priceless
Cost: <£30