Elastic Sheep

Because elasticdog was already taken

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Entries from June 28th, 2012

Bluetooth module firmware dump

June 28th, 2012 · 1 Comment · Uncategorized

With a parallel-SPI adapter and the BlueSuite tools you can dump the firmware of your Bluetooth module. Firmware dump Firmware dump is done with the BlueFlash utility. Stop the processor: if the connection with the module is successful, information about the device will be displayed. Click Firmware ID to display the loader and stack version. [...]

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Bluetooth module parallel-SPI interface

June 28th, 2012 · 5 Comments · Uncategorized

The BC417143-based module can be programmed through its SPI interface using a simple parallel port interface. I am using the circuit published on Byron’s blog. The SPI protocol is bit-banged on the parallel port of the PC. The 5V to 3.3V level adaptation is done using resistor dividers. The SPI pins are accessed through a [...]

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New toy

June 18th, 2012 · 2 Comments · Uncategorized

I have been interested by the FPGA technology for some time so finally here is a new toy that joins my workbench: a DE0-Nano board from Terasic. Smaller than an Arduino but with the same spirit of a platform opened to experimentation and not constrained by too much pre-wired peripherals. It’s up to you what [...]

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