• on Miscellaneous Electronics
  • Published in issue 5/2014 on page 8
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3D Pad:Touchless Gesture Control interface

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3D Pad:Touchless Gesture Control interface
You can easily produce a Touchless Gesture Control interface that’s capable of reliably providing 3-dimensional co-ordinates (X, Y, and Z axes). This simple, experimental device, designed in collaboration with the Elektor Labs team, consists of a sandwich made up of a PCB called an electrode plane, an Arduino Uno, and a shield, with control software.
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Gerber file

CAM/CAD data for the PCB referred to in this article is available as a Gerber file. Elektor Members can exclusively download these files for free as part of their Membership. Gerber files allow a PCB to be produced on an appropriate device available locally, or through an online PCB manufacturing service. Elektor recommends its business partner Eurocircuits as the company of choice for its own prototypes and volume production in selected cases.

Download the BOM list
The BOM (Bill of Materials) is the technically exhaustive listing of parts and other hardware items used to produce the working and tested prototype of any Elektor Labs project. The BOM file contains deeper information than the Component List published for the same project in Elektor Magazine. If required the BOM gets updated directly by our lab engineers. As a reader, you can download the list here.
Want to learn more about our BOM list? Read the BOM list article for extra information.
Component List
3D-Pad Arduino shield
SMD 0805, 0.125 W)
R1, R6, R7 = 10kOhm
R2, R8 = 18kOhm
R3 = 1MOhm
R9,R12 = 47kOhm
R4 = 120kOhm
R5 = 470kOhm
R10,R13 = 82kOhm
R11,R14 = 22kOhm
R15,R16 = 470Ohm
default: SMD 0805
C1 = 2.2nF
C2 = 220pF
C3,C4,C6,C7,C8,C9,C10,C11,C15,C16,C17,C18 = 100nF
C5 = 4.7µF 16V (pitch 2mm)
C12 = 100µF 16V (pitch 3.5mm)
C13, C14 = not fitted
IC1 = HEF4046BT
IC2 = CD74HC4024M
IC3 = DAC8311 ou AD5641AKSZ
IC4 = CD4504BM
IC5 = 78L09 (SOT-89)
IC6, IC8 = HEF4011BT
IC7 = HEF4081BT
IC9 = CD74HC4050M
T1 = 2N7002
K5, K6 = 8-pin pinheader*
K3, K4 = 6-pin pinheader *
K1, K2 = 4-pin pinheader *
K7, K8 = 2-pin pinheader
Electrode Plane
LED1,LED2 = LED, green, SMD, Kingbright type KPT-2012SGC
K1,K2 = 4-pin pinheader*
K3, K4 = 2-pin pinheader*
PCB # 130508-21
* 0.1’’ pitch

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