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Bluetooth Remote Control

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Bluetooth Remote Control
Bluetooth is a huge commercial success but so far hobbyists and lab workers have been barred from access to ready-made modules for this wonderful new medium. The reason is simple: manufacturers like to treat their products as black boxes and are only interested in their 100-k/day production lines in the Far East or China. We oppose this attitude by publishing this article, written using the motto: Bluetooth modules for everyone! A tracking robot does the trick.Flick through any electronics magazine – professional or hobbyist – and you will see a wide range of single-board computers and microcontroller boards. For many applications, they make product development so much simpler than it used to be, say, 5 or 10 years ago. Attach a few auxiliary components and a control panel, write the computer program, and you’re finished.
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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.

R1 = 2kOhm 2
C1,C2 = 100nF
C3 = 47µF 40V radial
C4 = 1µF 25V radial
D1 = LED, red, low current
IC1 = Basic Stamp (BS2, BS2sx, BS2e or BS2p) (Parallax Inc, Milford Instruments)
IC2 = LM2940T-5.0
K1 = 2-way PCB terminal block, lead pitch 5mm
K2 = 9-way sub- D socket (female) angled pins, PCB mount
K7,K8 = 17-way SIL connector (header or socket)
K9 = 10-way SIL socket
S1 = pushbutton, 1 make contact, PCB mount, e.g., D6R
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