Electronic circuits for the hobbyist
Tons of circuits to build and tutorials to check out here, there are also a few kits available – Link. Pictured here, the FM telephone transmitter. More: MAKE’s electronics archives – Link.
Technology
HOW TO – Make PCB reflow stencils
Here’s how to make a whole lot of PCBs (printed circuit boards) using solder paste, a screening stencil, a registration frame and reflow (toaster) oven – Link. Related: The $30 hot skillet reflow oven – Link. Solder surface mount parts with a toaster oven… – Link. HOW TO – Make a surface mount soldering iron […]
Robotic perception “kit”
Ever wanted to know what it’s like to be a robot? These googles / ear phones + robot lets you experience robo-life – “The kit was developed during Activités positives, a residency in Le Lieu, Québec City, Canada, in March 2006. It comprises two sets of goggles and helmets, plus a small robot. The helmets […]
HOW TO – Make a homemade nearly-free soldering iron stand
Jamie9999 writes – “Why pay megabucks for a fancy Soldering Iron stand when you can build one yourself with scrap? Or, why use that flimsy plastic stand that comes with your cheap pencil soldering iron, and risk burns, fire, or melted stuff?” – Link. More: Soldering and Desoldering. Step-by-step instructions for making (and unmaking) the […]
HOW TO – Make a 8×8 animated LED signboard
Here’s how to make a simple 8×8 animated LED signboard using a PIC (source included) – [via] – Link. Related: PIC microcontrollers – a beginner’s guide – Link.
Build an air conditioned tent, model rocket launcher / altimeter and a skateboard speedometer
Our pals at Design News have an awesome “Gadget Freak: Backyard Barbeque Bonanza” with 4 projects (all with full build instructions) – Air Conditioned Tent Be a happy camper and stay cool as a cucumber in the sweltering heat! This portable cooling device ensures complete climate control in even the most humble of tents. Plus […]
Alligator clip capacitor discharger
Remmelt writes – “This is a yellow lead with two alligator clips on the ends. It has a 15K Ohm 5W resistor in the middle, made somewhat pretty and lots more safe with shrinktube. It functions as a capacitor discharging line: one end on the + side, the other on the -. Wait, done. I […]