PicoFeedback_Hub

Meet PicoFeedback Hub : A compact feedback machine with a 16x2 LCD, 3 buttons, and a Raspberry Pi Pico—simple, portable, and efficient!"

BeginnerFull instructions provided1 hour146

Things used in this project

Hardware components

Raspberry Pi Pico

Adafruit RGB Backlight LCD - 16x2

SparkFun Pushbutton switch 12mm

Jumper wires (generic)

Breadboard (generic)

Software apps and online services

Wokwi

Application use to make a virtual prototype

Thonny

Application use to interface with pico physically

Story

PicoFeedbackHub: A Compact Feedback Solution

Introduction and Aim :

In a world driven by data and user insights, feedback collection plays a crucial role in decision-making and improving user experiences. However, traditional feedback systems can often be bulky, expensive, or overly complicated. Enter the PicoFeedbackHub – a simple, affordable, and portable solution designed to streamline feedback collection. Powered by the versatile Raspberry Pi Pico, this device is built with a 16x2 LCD display and three push buttons. The aim of the PicoFeedback Hub is to provide an accessible and efficient way to gather real-time feedback in various settings, such as customer satisfaction surveys, event evaluations, or employee opinions.

How It Works :

The PicoFeedbackHub is designed to be intuitive and user-friendly. Here's how it functions:

Setup and Configuration: The Raspberry Pi Pico serves as the brain of the device. The 16x2 LCD display is programmed to show questions or prompts, while the three push buttons represent pre-defined responses (e.g., Yes/No/Neutral or Happy/Neutral/Unhappy).
Feedback Collection: Users interact with the device by reading the question displayed on the LCD and pressing one of the buttons corresponding to their response. The simplicity of the interface ensures users can provide feedback quickly and easily.
Data Processing and Storage: Each button press is recorded and logged by the Raspberry Pi Pico. The collected data can be saved on an SD card, transmitted wirelessly if an add-on module is included, or transferred to a connected device for further analysis.
Customizable Prompts: The system is highly customizable, allowing different questions or prompts to be displayed based on the event or context. The questions can be updated easily through a simple code modification or an external interface.

Merits of the PicoFeedbackHub

Portability: The compact size of the device makes it easy to deploy in a variety of settings, from retail counters to conference tables.
Affordability: By leveraging the cost-effective Raspberry Pi Pico and minimal components, the PicoFeedback Hub is an economical solution suitable for small businesses, researchers, and hobbyists.
Ease of Use: The straightforward design ensures users of all ages and technical expertise can interact with the device without confusion.
Customizability: The system’s code and hardware can be modified to suit various needs, such as adding more buttons, integrating wireless connectivity, or including additional sensors.
Energy Efficiency: The Raspberry Pi Pico's low power consumption ensures the device can operate for extended periods, even on battery power.
Data-Driven Insights: By collecting real-time feedback, organizations can make informed decisions, improving customer satisfaction, operational efficiency, or event success.

Applications :

The PicoFeedback Hub is versatile and can be applied in numerous scenarios:

Retail: Collect customer feedback on products or service quality at checkout counters.
Events: Gauge attendee satisfaction during conferences, trade shows, or workshops.
Workplaces: Gather employee feedback on policies, meetings, or overall satisfaction.
Education: Use it in classrooms to quickly assess student understanding or gather opinions.
Public Spaces: Deploy it in libraries, museums, or parks to measure visitor experience.

Conclusion :

The PicoFeedbackHub bridges the gap between technology and user insights by providing a simple, portable, and affordable feedback collection tool. Its ease of use, customizability, and low cost make it an invaluable resource for businesses, educators, event organizers, and researchers. Whether you need quick opinions or detailed insights, the PicoFeedbackHub is your reliable companion for all things feedback. By embracing this innovative solution, you’re not just collecting responses; you’re fostering engagement and driving meaningful change.

Building a Feedback Control System with Raspberry Pi Pico | Real-Time Monitoring & Automation

CODE

from machine import Pin
from gpio_lcd import GpioLcd
import time 
RS = 0
En = 1
D4 = 2
D5 = 3
D6 = 4
D7 = 5
Button1 = machine.Pin(6 , machine.Pin.IN , machine.Pin.PULL_UP)
Button2 = machine.Pin(7 , machine.Pin.IN , machine.Pin.PULL_UP)
Button3 = machine.Pin(8 , machine.Pin.IN , machine.Pin.PULL_UP)
BJP = 0
CONG = 0
AAP = 0
lcd = GpioLcd(rs_pin=Pin(RS),
              enable_pin=Pin(En),
              d4_pin=Pin(D4),
              d5_pin=Pin(D5),
              d6_pin=Pin(D6),
              d7_pin=Pin(D7),
              num_lines=2,
              num_columns=16)
lcd.move_to(0,0)
lcd.putstr("Good")
lcd.move_to(6 , 0)
lcd.putstr("Modr")
lcd.move_to(13,0)
lcd.putstr("Bad")
while True :
    if Button1.value() == 0:
        BJP += 1
        bjp = str(BJP)
        lcd.move_to(0,1)
        lcd.putstr(bjp)

    elif Button2.value() == 0:
        CONG += 1
        cong = str(CONG)
        lcd.move_to(7,1)
        lcd.putstr(cong)

    elif Button3.value() == 0:
        AAP += 1
        aap = str(AAP)
        lcd.move_to(14 ,1)
        lcd.putstr(aap)
    time.cleep(0.20)