Flatbed scanner eliminates the perils of macro photography

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If you have ever played around with macro photography, you'll know how hard it is to get a focused image of something that isn't two-dimensional. For virtually every 3D object, you'll have to deal with the depth of field - the small region where things are actually in focus. [David] came up with a neat homebrew solution for making sure everything in his macro photos is in focus using a discarded … [Read more...]

Raspberry Pi and R

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[Stephen] picked up a Raspberry Pi to do a little hardware hacking and add a blinking LED to the many feathers in his software development hat. He picked up an analog to digital converter and a temperature sensor that would serve him well in a few projects he wanted to put together, including a weather station and a small Pi-controlled home brewing setup. He ended up not liking Python, and … [Read more...]

A better template for your STM32 F3 dev board

If you've picked up one of those really cool STM32 ARM dev boards, you've probably poked around looking for a good toolchain. No fear, then, because [Matt] has your back. He put together a template for the ARM Cortex-M4 powered STM32 board. [Matt] had been using a template for the STM32 F4 we'd covered before, but found the implementation a bit lacking. Wanting to exploit the functionality of … [Read more...]