Even worse, the precious Magic Smoke was released from the board’s Allwinner A33 ARM SoC when a pin only rated for 2.75 V was inadvertently fed 3.3 V. Now before you get too excited, we should probably say that the prototypes didn’t actually work. But we had a hunch that was tenacious enough see the project through to reality, and now less than two months later, we’re happy to report that not only have the first prototype PCBs been assembled, but a community of like minded individuals is being built up around this exciting open source project. In fact, the whole thing was little more than an idea. When we last checked in on the WiFiWart, an ambitious project to scratch-build a Linux powered penetration testing drop box small enough to be disguised as a standard phone charger, it was still in the early planning phases. Posted in hardware, Linux Hacks Tagged Embedded Linux, open hardware, oshw, pentesting, SBC, u-boot, WiFiWart This will certainly be the most challenging aspect of the project, but with a growing community of hackers and engineers lending their expertise to the cause, we’re confident the WiFiWart will soon be a reality.
ALLWINNER A33 BENCHMARK SOFTWARE
With the software and hardware now largely locked in, says his attention will be turned towards getting everything small enough to fit into the final form factor. As mentioned in the previous post, the plan is currently to put the PSU on its own board, which will allow more effective use of the charger’s internal volume.
ALLWINNER A33 BENCHMARK FULL
Even at full tilt, this larger board doesn’t go over 500 mA at 5 VDC so if he designs the power supply with a maximum output of 1 A, he should have a nice safety margin. While the two WiFi modules are currently hanging off the board’s full-sized USB ports, they will eventually be integrated into the PCB.Ĭritically, this prototype board is also allowing to get an idea of what the energy consumption of the final hardware might be. A memory benchmark confirmed the finicky DDR3 RAM was working as expected, and he was able to load the kernel modules for the dual RTL8188 interfaces and connect to a network. Once the board was booted into Linux, started testing out different aspects of the system. From the single missing resistor that caused U-Boot to throw up an error to the finer points of compiling the kernel for an embedded board, the latest blog post he’s written up about his progress provides fascinating insight into the little gotchas of bringing up a SBC from scratch. Today we’re happy to report that has gotten the first version of the board booted into Linux, though as you might expect given a project of this complexity, there were a few bumps along the way. Of course, we don’t need to tell Hackaday readers that there’s plenty of other things you can do with such a tiny open hardware Linux SBC. Developer says the goal is to create an easily concealable “drop box” for penetration testing, giving security researchers a valuable foothold inside a target network from which to preform reconnaissance or launch attacks.
Over the last few months we’ve been keeping an eye on WiFiWart, an ambitious project to develop a Linux single-board computer (SBC) small enough to fit inside a USB wall charger.
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