[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...

A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

This article will help you build a simple Arduino-based DCC system. Growing up in the 1980s I was living the dream. I had an HO layout on a 4 x 8 sheet of plywood in my parents' basement in Reading, ...

[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap ...

Makers, hobbyists and electronic enthusiasts searching for a project to keep them busy this weekend may be interested in a new DIY custom mechanical keypad complete with TFT LCD display, which has ...

Your in luck! Cheese @ Bit-Tech has come up with a neat 'piggy-back' device that will allow each of your GPO's to support 32W @ 12V. Click here to check it out. Why did you go for a PCB based approach ...

Premier LCDL from Texecom is a large screen LCD keypad. It has 2 additional zones, extension speaker and is Premier series compatible. It also has touchtone keys and backlighting. Premier LCDL from ...