KAMA-LABS ELENA IV-11-4v8 User manual

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WWW.KAMA-LABS.COM
ASSEMBLY MANUAL
FOR
ELENA
IV-11-4v8 CLOCK
Be very careful with
static electricity. If clock
not work after build its
mean that clock been
damaged by static
electricity in process of assemble.
Check resistance between +3.3 and
GND pins of XS2. The resistance
should be more thank 1kOhm.

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1) You have a PCB with ICs:
2) Place all resistors vertical:

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3) Place diodes according marking on PCB:

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4) Place all electrolytic capacitors. Be careful with polarity!

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5) Install transistors and 3.3v voltage stabilizer IC7:

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6) Place ceramic capacitors. Polarity is not matter:
7) Install 3 buttons:

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8) Place photoresistor. The high should be equal of buttons.

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9) Place inductor:
10) Place socket for power supply:

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11) Install LEDs to bottom side of PCB. Be careful with polarity! The
long pin of led –plus.

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12) Install temperature sensor IC1 DS18B20 on BOTTOM side of
PCB: