Do you worry about electromagnetic pollution? Wireless is cool, especially because it works without wires. On the other hand, Wi-Fi, Bluetooth, Zigbee, broadcast radio & TV transmitters, mobile phones and a plethora of electronic gadgets and instruments with base stations on every roof are polluting the electromagnetic environment in which we live. Is this pollution harmful for living organisms or not? Nobody really knows. Does this worry you? Do you wonder how dirty the ether that surrounds you really is? Then the Elektor Tapir is what you need. A tapir is a large browsing mammal, similar in shape to a pig, with a short, prehensile snout. The Elektor Tapir is a small electronic device, similar in shape to a cigarette lighter with an antenna. It comes as a complete kit including two types of electromagnetic detectors and earphones. Sturdy and easy to build, the Elektor Tapir will sniff electro smog of almost any frequency. The following components are present in the kit: - 1 PCB panel - 1 headset (ear buds) - 1 plastic bag with all electronic components - 1 length of wire (approximately 40 cm) The plastic bag contains the following items: - 2 small bags with small parts - 1 coil - 2 Cinch plugs - 1 Cinch panel-mount connector The small bags contain the following components: Bag 1: - 1 resistor 1 k* (R5) - 2 resistors 10 k* (R2, R3) - 1 transistor BSR17 (T1) - 2 transistors BC847B (T2, T3) - 1 capacitor 10 nF (C1) - 2 standoffs M2x6 - 2 screws M2x6 Bag 2: - 2 resistors 100 k* (R1, R4) - 3 capacitors 10 3F (C2, C3, C4) - 1 diode BAT54S (D1) - 1 switch - 1 3.5 mm audio jack - 1 spring for battery
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