Month: February 2008

Backyard brewery

Backyard brewery

From the MAKE Flickr pool Member Knormie explains his blunt but effective home brewery – My homebrew setup. On the right is the Bike Pump Sparge System (BPSS – pat pend). Air is pumped into the Cornelius keg and 180 degree water is forced out and into the mash/lauter tun. Fresh wort then runs out […]

Compact standalone ECG

Compact standalone ECG

This ultra-compact electrocardiogram device was made using an ARM training/development unit – It is a STM32 Primer with two copper foils placed on each side of the front circle. These two metal foils are the ECG electrodes. User can place his/her both thumbs on the copper foil to start the operation. The ECG trace is […]

Simple FM transmitter

Simple FM transmitter

This is a single transistor FM transmitter that is about the size of a standard AA battery. The site has all the schematics and technical specifications needed to complete the project. Let the bugging begin! – Link Related: HOW TO – Make a telephone FM transmitter – Link HOW TO – Make a low power […]