Hemanga Bhatta
Published © GPL3+

Touch-less Doorbell for the Current Pandemic Situation

Touchless doorbells using IR proximity sensing, that can replace traditional doorbells, and thus prevent the spread of contagious disease.

IntermediateFull instructions provided76
Touch-less Doorbell for the Current Pandemic Situation

Things used in this project

Hardware components

9V battery (generic)
9V battery (generic)
×1
IR transmitter (generic)
×1
IR receiver (generic)
×1
Resistor 220 ohm
Resistor 220 ohm
×1
Resistor 100 ohm
Resistor 100 ohm
×1
Resistor 10k ohm
Resistor 10k ohm
×2
Single Turn Potentiometer- 10k ohms
Single Turn Potentiometer- 10k ohms
×1
General Purpose Dual Op-Amp
Texas Instruments General Purpose Dual Op-Amp
×1
LED (generic)
LED (generic)
×1
General Purpose Transistor NPN
General Purpose Transistor NPN
×1
1N4007 – High Voltage, High Current Rated Diode
1N4007 – High Voltage, High Current Rated Diode
×1
Signal Relay, 9 VDC
Signal Relay, 9 VDC
×1

Hand tools and fabrication machines

Wire Stripper & Cutter, 32-20 AWG / 0.05-0.5mm² Solid & Stranded Wires
Wire Stripper & Cutter, 32-20 AWG / 0.05-0.5mm² Solid & Stranded Wires
Soldering iron (generic)
Soldering iron (generic)

Story

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Custom parts and enclosures

Gerber files for Touch-less Doorbell

Schematics

Schematic for Touch-less Doorbell

Credits

Hemanga Bhatta

Hemanga Bhatta

1 project • 0 followers

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