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About Richard Lowe

A driven connoisseur of electron flow and all that consumes them. "If you didn't get it, you didn't want it that bad"

Say it with a CAN Bus and a Raspberry Pi

By |2018-09-04T10:01:46+02:0031/08/2017|Categories: Coding, Education|Tags: , , |

Introduction A minimal Modis Lock system consists of a Host Controller that houses a Raspberry Pi Compute Module 3 and a Reader unit with an ARM microcontroller.  The Host Controller is the ‘brain’ of digital access control and the reader unit receives remote inputs.  Even though the Host Controller has a powerful quad-core BCM2837 Broadcom [...]

How to interface a Microcontroller with a Raspberry Pi through UART

By |2018-09-04T10:01:56+02:0023/07/2017|Categories: Coding, Education|Tags: , , , , , , |

The main engine of the Modis Lock host module is a Raspberry Pi Compute Module 3.  The CM3 module also uses an ARM core microcontroller to facilitate reliable communication with its remote reader modules.     Setting up an interface between a Raspberry Pi and a remote peripheral is pretty straight forward with the [...]

Separation of Services for a Better Night Sleep

By |2018-05-17T20:57:26+02:0021/07/2017|Categories: Security|

Whenever someone in the IT department is asked “how secure” their system is, it’s always just the right answer for the asking party. Reality is another answer, one that can’t be answered with exactness. Kind of like that time you asked your priest where heaven was and what the gates were made of. The answer [...]