C172 PCB for Bendix type radios

Control for the following inputs and outputs:

• OMI leds
• Audio panel (with COMM1, COMM2, COMM3, NAV1, NAV2, MKR, DME, ADF, AUX and MONI buttons)
• COMM1 radio with dual shafts
• NAV1 and NAV2 radios with dual shafts
• ADF radio with dual shafts
• DME display (NAV1 / NAV2)
• Transponder radio (with VFR and IDT buttons)
• Autopilot section (with AP, HDG, NAV, FD, ALT, APP, BC and V/S buttons)

Needed components (optional):

• 10 spacers, 30 mm male-female
• 9 spacers, 30 mm female-female
• 13 3 mm plastic washers
• 9 M3x10 bolts
• 4 M3x15 bolts
• 10 tactile switches, 12x12 mm
• 10 tactile switches, 6x6 mm
• 13 encoders (4 of them with slotted shaft)
• 1 12-positions rotary switch with chamfered shaft
• 1 pin strip
• 16 polarized connectors, 2 pins, male
• 21 polarized connectors, 2 pins, female
• 26 connectors for ribbon cable, 20 pins (male + female)
• 9 connectors for ribbon cable, 40 pins (male + female)
• 13 sets of 6 7-segments displays and 13 printed circuit boards
• 13 470 ohms resistors
• 2 4K3 ohms resistors
• 1 ON-OFF toggle switch
• 4 black push buttons
• 6 amber leds, 3 mm
• 6 green leds, 3 mm
• 1 white led, 5 mm
• 1 amber led, 5 mm
• 1 blue led, 5 mm
• 4 shafts, diameter 8 mm, lenght 75 mm + accesories
• 6 shafts, diameter 6 mm
• 4 shafts, diameter 4 mm, lenght 100 mm
• 6 linking pieces for 6 mm shafts
• 20 plastic bars, 3x3x85 mm

Assembly instructionos here.