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Programming an LPC flash with an AVR and “flashrom”
I had a dead motherboard that had been kicking around for a while after a failed BIOS update. The flash part on there was the Winbond W39V040B, which is 3.3V only and has an LPC interface. The device...
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Hacking Wireless Radiator Valves with Gnuradio
I have an ongoing project to improve the performance and automation of the heating system in our house, given the ever-rising cost of energy. As part of this project I am planning to zone the central...
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Implementing the ELV FHT Protocol with an RFM23
Over the last few weeks I have been helping out the guys over at OpenTRV with an implementation of the FHT protocol for use with HopeRF RFM22B and RFM23B modules. My as-yet unreleased sensor modules...
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Turn a TI Launchpad into a GoodFET with just a Serial Cable
The TI MSP430 Launchpad is a cheap MSP430 development board – about £3 when they first came out, although a bit more now. I think mine was a freebie from a distie. Although I quite like the MSP430 I...
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Bridging Texecom’s Alarm Signalling Protocol to MQTT
Texecom makes a nice range of alarm systems called Premier Elite, with products suited for everything from high-end domestic up to large commercial deployments. The range includes two IP-based...
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