Cheese Fridge project

Wow, almost six months since my last post! Yes, I’ve been busy. I’ve recently started making cheese. Generally you start off making soft cheeses like Brie & Camembert. After a little while these cheeses no longer do it…

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Petit Studio Raspberry Pi HDMI extender cheap cable fix

Note: This fix is NOT due to a fault of the Petit Studio Raspberry Pi Camera extension kit, it’s due to the use of cheap HDMI leads. I brought some Petit Studio Raspberry Pi HDMI camera extenders from…

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EP Solar MPPT Tracer charge controller serial code

Following on from my previous post working out the EP Solar Tracer serial protocol, I’ve got code working on a Raspberry Pi. It’s even validating the CRC checksum.

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EP Solar MPPT Tracer charge controller serial interface

I’m currently involved in a project to set up a solar powered wireless station and wanted to remotely monitor the battery charge process. I looked into a number of charge controllers to see if any of them could…

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dump1090 binary built for Raspberry Pi / Arm

If you’re after a binary of dump1090 for the Raspberry Pi without having to build it, here’s a compiled binary for you. I built it on Arch linux, but it also works on Raspbian, or likely any other…

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Pulsecounter PCB’s have arrived

I posted recently about detecting power loss in an AVR and quickly writing values to EEPROM before power is lost completely and have since received the PCB’s I ordered from oshpark. This is the first time I have…

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This website is now exclusively SSL

Google have announced (Ironically via a non SSL website) that they will now take into account whether sites use secure, encrypted connections as a component of their ranking algorithm. On this announcement I’ve switched my website to exclusively…

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AVR – Detecting loss of power and writing to EEPROM

No Picture

As part of a recent AVR project, I wanted a way to increment a counter and store it even if the power was lost. This could be done with an external flash memory device, but I wanted to…

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Huawei HG630B. Inspecting the firmware

My previous posts on hacking the HG630B didn’t result in me getting root/console access to the router, so it’s time to look into the firmware. I downloaded the latest version of the firmware. These are the details of…

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Huawei HG630B. Connecting to the UART

In my previous post I guessed that a five pad header on the rear of the PCB could be a UART of some type. I quickly soldered a header to the pads, connected my Saleae logic analyzer up,…

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