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PhiLOCK bluetooth bike lock & share

Friend of mine who's always forgetting his keys asked for a way to unlock his bike, key-less code-less // Arduino, BT, CNC

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PhiLOCK is a bike lock designed to work Key-Less with no Code.
It just senses the Bluetooth from your smartphone and when it recognizes you it unlocks the cable.
From there, if it's your smartphone, it could be your friend's and thus enabling sharing your bike. Or it could be someone you want to rent your bike to!

We Now have a website WWW.PHILOCK.NET
(and quite neat shots at www.philock.net/press )

AND a KICKSTARTER Page !! https://www.kickstarter.com/projects/philock-share/philock

One year ago my friend asked me to work on the electronics and mechanics of his lock whose design and casing had been made by a designer friend of him.

I made a proof of concept with the guts of a rc toy, a battery laying around and a small reduction gear .
the lock itself was CNC-Machined out of plexiglass scrap, a few bits of unknown gray plastic, and small chucks of aluminium.

there is a worm gear from a dvd drive that moves a centre piece which pushes locks against the cable.

CNC route for plexiglass milling of the locking mechanism (2 sides of a small enclosure)

Electronics proof of concept. the atmega328 and the bluetooth RS232 TTL HC-05 module are small enough to fit into the metal case. they were controlled in a first place by Ardudroid by Techbitar to enable pin13 to which is attached the motor driver.


  • 1 × Pro Mini atmega328 3.3V
  • 1 × Bluetooth module RS232 TTL HC-05
  • 1 × MPU-6050 Module 3 Axis Gyroscope+Accelerometer
  • 1 × 5V Micro USB 1A 18650 Lithium Battery Charging Board Charger Module
  • 1 × RC TOY radio

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