B737 PCB cargo fire (v 1.1)

Consisting on the following elements:

• 1 printed circuit board

Control for the following inputs:

• DET FWD and DET AFT selectors
• TEST button
• ARMED FWD, ARMED AFT and DISCH switches

and outputs:

• EXT leds
• Annunciator
• Leds for ARMED FWD, ARMED AFT and DISCH switches
• Leds for SELCAL panel

Needed components (optional):

• 2 3 mm red leds
• 3 3 mm yellow leds
• 3 3 mm white leds
• 2 5 mm green leds
• 13 470-ohms resistors
• 1 black push button
• 2 12-positions rotary switches
• 2 20-pin connectors for ribbon cable (male + female)
• 10 2 pin female polarized connectors
• 6 2 pin male polarized connectors
• 3 3 pin female polarized connectors
• 1 6 pin polarized connector (male+female)
• 36 pins for previous connectors
• 1 pin strip
• 3 metallic spacers, 30 mm male-female
• 3 metallic spacers, 30 mm female-female
• 3 M3x12 button head bolts
• 3 M3x10 bolts
• 3 acrylic washers 3 mm
• 4 led strip (12 leds)
• 2 6 mm acrylic shafts (5 cm lenght) with linking piece for rotary switches

Assembly instructions here.