Pencil-on-Paper-Based Touchpad for Ecofriendly and Reusable Human–Machine Interface

Zulfiqar, Muhammad Hamza; Hassan, M.; Zubair, Muhammad; Mehmood, Muhammad Qasim; Riaz, Kashif

doi:10.1109/lsens.2021.3073055

Cited by 24 publications

(13 citation statements)

References 27 publications

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“…Technological advancements are rapidly changing the world security prospect because of the immense use of electronic devices like cameras, mobile phones, Bluetooth and Wi-Fi-controlled locks, human-machine interfaces (HMIs), and IoT devices [ [3] , [4] , [5] , [6] , [7] ]. However, this increase in the use of electronic devices is causing an exponential increase in the amount of electronic waste (e-waste).…”

Section: Introductionmentioning

confidence: 99%

“…However, this increase in the use of electronic devices is causing an exponential increase in the amount of electronic waste (e-waste). This e-waste is causing severe environmental problems [ 4 ]. It's estimated that the Waste Electrical and Electronic Equipment (WEEE) and e-waste generated in 2021 was 57.5 million metric tons (Mt) [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

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Invisible touch sensors-based smart and disposable door locking system for security applications

Mehmood¹,

Malik²,

Zulfiqar³

et al. 2023

Heliyon

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Invisible touch sensors-based smart and disposable door locking system for security applications

Mehmood¹,

Malik²,

Zulfiqar³

et al. 2023

Heliyon

Self Cite

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“…HMIs enable the end-user to interact with the electronic devices in a facile way [ 1 , 2 , 3 , 4 , 5 ]. Market-available, plastic, button-based HMIs are neither environmentally friendly nor disposable.…”

Section: Introductionmentioning

confidence: 99%

Facile Pressure-Sensitive Capacitive Touch Keypad for a Green Intelligent Human–Machine Interface

Malik

Zulfiqar

Khan

et al. 2022

Sensors

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There is a great demand for human–machine interfaces (HMIs) in emerging electronics applications. However, commercially available plastic-based HMIs are primarily rigid, application-specific, and hard to recycle and dispose of due to their non-biodegradability. This results in electronic and plastic waste, potentially damaging the environment by ending up in landfills and water resources. This work presents a green, capacitive pressure-sensitive (CPS), touch sensor-based keypad as a disposable, wireless, and intelligent HMI to mitigate these problems. The CPS touch keypads were fabricated through a facile green fabrication process by direct writing of graphite-on-paper, using readily available materials such as paper and pencils, etc. The interdigitated capacitive (IDC) touch sensors were optimized by analyzing the number of electrode fingers, dimensions, and spacing between the electrode fingers. The CPS touch keypad was customized to wirelessly control a robotic arm’s movements based on the touch input. A low-pressure touch allows slow-speed robotic arm movement for precision movements, and a high-pressure touch allows high-speed robotic arm movement to cover the large movements quickly. The green CPS touch keypad, as a disposable wireless HMI, has the potential to enforce a circular economy by mitigating electronic and plastic waste, which supports the vision of a sustainable and green world.

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“…Technological advancements are rapidly changing the world security prospect because of the immense use of electronic devices like cameras, mobile phones, Bluetooth and Wi-Fi-controlled locks, human-machine interfaces (HMIs), and IoT devices [3][4][5][6][7]. However, this increase in the use of electronic devices is causing an exponential increase in the amount of electronic waste (e-waste).…”

Section: Introductionmentioning

confidence: 99%

“…Alternate substrate materials, especially cellulose-based printing paper, is getting attention due to their biodegradability, flexibility and easy availability [18]. Paper substrate-based studies have been reported for a wide range of applications including gas sensors [19], HMIs [4], glucose sensors [20], humidity sensors [21], supercapacitors [22], transistors [23], touch sensors [11,24], and solar cells [25]. Along with the substrate, the development process of conductive inks involves solvents and chemical-based costly and hazardous procedures.…”

Section: Introductionmentioning

confidence: 99%

Invisible Touch Sensors-Based Smart and Disposable Door Locking System for Security Applications

et al. 2022

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Pencil-on-Paper-Based Touchpad for Ecofriendly and Reusable Human–Machine Interface

Cited by 24 publications

References 27 publications

Invisible touch sensors-based smart and disposable door locking system for security applications

Invisible touch sensors-based smart and disposable door locking system for security applications

Facile Pressure-Sensitive Capacitive Touch Keypad for a Green Intelligent Human–Machine Interface

Invisible Touch Sensors-Based Smart and Disposable Door Locking System for Security Applications

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