Atari Combo Controller has what you need for any cartridge

atari-combo-controller

Retro gaming enthusiasts take note: this joystick is what you need to play any Atari game on the original console. It plugs right into the original console hardware and removes the need to choose the joystick, paddle, or keypad controller separately. You just leave this puppy hooked up and move your hands to the set of controls used on each … Read the rest

The Keypad Contest

Keypad

What can you do with ten buttons and ten lights? A lot.

[Andrew] and [Nathan] found a collection of Hale Research keypads being thrown out, and decided to host the Keypad Contest. The goal of the contest was to create something nifty using the ten buttons and ten lights on the keypad, and an ATtiny2313 that replaced the original … Read the rest

Brute force finds the lost password for an electronic safe

brute-force-an-electronic-safe

[Teatree] tells a sad, sad story about the lost password for his fire safe. The electronic keypad comes with a manufacturer’s code as well as a user selected combination. Somehow he managed to lose both of them, despite storing the user manual safely and sending the passwords to himself via email. He didn’t want to destroy the safe to get … Read the rest

Bending a home security control panel to your will

Does your home have a security system but you don’t subscribe to the monitoring service to make it work? Rip that baby off of the wall and do something with it, or just build your own system around it. If you have a DSC PC1500RK control panel [CaitSith2] shows us how easy it is to control the buttons, LEDs, and Read the rest

One wire reads the keypad from the APRS radio mic

[Shane Burrell] decided to spend some time learning how the keypad on the his Kenwood TM-710A APRS radio mic works. It uses a different technique than you might think. Normally a grid of buttons is scanned as a matrix to detect keypresses, but this hardware actually counts pulses on a serial wire to take each reading.

The stock radio … Read the rest

Buzzer project for classroom team games

Want to host a Jeopardy tournament with your friends? Looking to add a bit more fairness to your school’s knowledge bowl? Perhaps you should build some buzz-in hardware of your own.

Here you can see [Matt Hanson's] take on this idea. He used one Arduino to gather not just buzzer info, but also keypad data from four satellite controllers. … Read the rest

Full featured security lock demonstration

[Arshad Pathan] let us know about his latest project, a modular code lock that can be adapted to many different situations.

The user interface is made up of a character LCD screen and a 3×4 keypad. For this example [Arshad] is using a stepper motor as the locking mechanism. When the board is first powered up it runs the … Read the rest