United Kingdom
Freelance Consultant | AB Open
Open source (hardware and software!) advocate, Treasurer and Director of the Free and Open Source Silicon Foundation, organiser of Wuthering Bytes technology festival and founder of the Open Source Hardware User Group.
DS Level
276
DS member
Earned 03/01/2018
Community spirit 50
Earned 30/05/2018
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Author 25
Earned 03/01/2018
All star profile
Earned 03/01/2018
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Pioneer
Earned 03/01/2018
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Published Content
3 weeks ago
Raspberry Pi 4 Personal Datacentre Part 3: A Self-hosted IoT Data Platform
Setting up a self-hosted IoT data platform on a Raspberry Pi 4 with Mosquitto, Node-Red, InfluxDB and Grafana.
1 month ago
Connecting a Real IBM 3270 Terminal to an Emulated Mainframe with OEC
Building the Open Establishment Controller interface and using this to connect a 3270 terminal to an emulated IBM mainframe running VM/370.
1 month ago
Building an Amplifier Test Set with Analog Discovery 2 and Raspberry Pi 4 Part 2: Software
Using the multifunction instrument together with a Raspberry Pi 4 to create a standalone programmable audio amplifier test set.
1 month ago
A Fresh Look at IBM 3270 Information Display System
Classic mainframe display system from the past that was in many ways ahead of its time.
2 months ago
Building an Amplifier Test Set with Analog Discovery 2 and Raspberry Pi 4 Part 1: Introduction
Using the multifunction instrument together with a Raspberry Pi 4 to create a standalone programmable audio amplifier test set.
2 months ago
Building a Cosmic Ray Detector Part 3: Completion and Testing
Final assembly of the CosmicWatch detector and Raspberry Pi configuration.
2 months ago
Restoring a Sun SPARCstation IPX Part 3: SCSI2SD, Solaris install and Expansion
Fitting a SCSI-to-SD storage converter, installing the O/S and looking at expansion.
3 months ago
Using Modbus with the Brainboxes BB-400 Neuron Edge Controller
Reading a single-phase Modbus energy meter with the Pi-powered PLC and much more.
3 months ago
Constructing a High Current 28V DC Power Supply
This post takes a look at assembling a high current DC power supply that is rated at over 60A, for use with military surplus and other electronics which would typically be vehicle-powered.
4 months ago
Caught Short with Cat 6a
A tale of Ethernet cabling woe and a reassuring resolution courtesy of Telegartner VM-Pro Connection Modules.
4 months ago
Building a Cosmic Ray Detector Part 2: Assembly and Initial Testing
CosmicWatch theory of operation, and assembling and testing the main PCB.
5 months ago
Building a Cosmic Ray Detector Part 1: Introduction and Planning
Constructing the CosmicWatch desktop muon detector.