Total solder points: 60 Difficulty level: beginner 1 advanced Sirene K2604 Specifications power supply: 8 - 14VDC / 1A modulation speed: 0.5 - 5s frequency: 300 - 6000Hz output power: +/- 2W max. dimensions: 80 x 55 x 15mm/3.14 x 2.16 x 0.6"...
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Assembly hints 1. Assembly (Skipping this can lead to troubles ! ) Ok, so we have your attention. These hints will help you to make this project successful. Read them carefully. 1.1 Make sure you have the right tools: • A good quality soldering iron (25-40W) with a small tip.
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Assembly hints 1.3 Soldering Hints : 1- Mount the component against the PCB surface and carefully solder the leads 2- Make sure the solder joints are cone-shaped and shiny 3- Trim excess leads as close as possible to the solder joint REMOVE THEM FROM THE TAPE ONE AT A TIME ! DO NOT BLINDLY FOLLOW THE ORDER OF THE COMPONENTS ONTO THE TAPE.
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Construction 3. IC socket. Watch the 6. PCB tab 1. Resistors position of the notch! IC1 : 14p R... R1 ... R6 : 3M3 (3 - 3 - 5 - B) : 10K (1 - 0 - 3 - B) VDC (2x) "...
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construction 8. Transistor 9. IC. Watch the position of the notch! IC1 : LM324 TEXT Control 1. Place all 3 trimmers in their mid-position. 2. Connect a push-button or switch to the "PB" contacts. 3. Connect a loudspeaker (4-16ohm) to the points "LS". 4.
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