This article goes through the steps required to photo etch your own copper clad circuit boards. There is a relatively small amount of hardware that is required and the steps are quite simple. If you have done the toner transfer method in the past why not move to the next level? If you are thinking of making your own circuit boards there are a few option: * The easiest is
By using the internal motion sensor you can do some neat things! “Turns out, the laptop has a built-in motion sensor. Nominally, it’s there to protect the internal hard drive. The basic idea is this: If the accelerometer suddenly notices that the gravitational pull of earth is no longer present, the most likely explanation is that the laptop, sensor and all, is currently accelerating at 9.81 m/s² towards said earth.
If you are thinking of growing some plants indoors LEDs might be what you are looking for. BVnursery has built some LED panels for growing plants and has had some great results. “The target of the project is to develop an inexpensive, effective method of providing light to plants using only leds. This unit is designed to light standard horticultural starter trays measuing 10 x 20″. The logic follows several
