Keep talking game in real life

This project recreates the bomb from "Keep talking and nobody explodes" (https://keeptalkinggame.com/) using two pi pico's.

Generic code

The code for each module is in "./common", which can easily* be reused in other projects. Available modules:

• Timer
• Simple wires
• Complicated wires
• Button
• Keypad

Alongside the modules there is also an indicator, which flashes a red LED when a mistake is made, and illumiates a green LED when a module is defused.

To see examples of the generic code being used, see the project specific code.

* Some types of static variables will have to be changed depending on the pins used, but these are separated into type definitions in the respective module.
* Some modules rely on custom globals in common to delaying for a certain time, these can either be replaced with custom code, or make use of the "wait" module in common.

Timer

The timer module makes use of a tm1637 4 digit seven segment display to show the time remaining. Information about this display can be found by searching "tm1637 4 digit seven segment display".
Reference Image

Wires

The wire modules do not require any specific hardware. Just wires and a resistor.

An example configuration can be found documented at the wire struct in wires.rs.

Button & Keypad

The button and keypad both require switches that have been "debounced", as there is no software support for switch debounce.

I used cherry MX switches, as i managed to get 10 switches for relatively cheap, but any switches will do.

Both the button and keypad modules require the same physical configuration

VCC -> Resistor -> Switch -> GPIO Pin

The placement of the resistor and switch can be swapped, but a resistor is needed at somepoint.

Project specific code

The source code for each pi is in "./pi_1" and "./pi_2".

Multiple pi's were used, as more GPIO pins were needed than available on a single pi pico. At the time of making buying another pi was cheaper than a GPIO extender, so i went with another pi. Pi 2 communicates with Pi 1 to inform Pi 1 of mistakes made and when modules are defused. Pi 1 is the "brains" of the operation, with Pi 2 reporting information to it.

Pi 1

Pi 1 was used to control the:

• Timer
• Buzzer
• Button Module
• Keypad Module

Pi 2

Pi 2 was used to control:

• 2x Simple Wires
• 1x Complicated Wires

How to use

This project was based on: https://github.com/rp-rs/rp2040-project-template (Thank you for the hard work!)

Refer to that repository for getting started and working with pi pico's in general.