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| Buyer advice | Preparing AI insights | |
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| Overview | ||
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| Price | $2.95 | £1.48 |
| Availability | In stock | In stock |
| CockpitSquare overview | A CD74HC4067-based breakout board that multiplexes or demultiplexes up to 16 bidirectional analog or digital channels. It is intended for DIY electronics projects requiring sensor, TTL serial, I2C, SPI, or similar signal routing. | A printed circuit board intended for use inside 737DIYSIM’s Replica Dual Colour Korry Annunciators. It provides connections for two tactile LED switches and separate ground, button, top-LED, and bottom-LED lines. |
| Aircraft | Not specified | Not specified |
| Aviation category | Universal / Generic | Universal / Generic |
| Compatibility & connections | ||
| Supported simulators | Not specified | Not specified |
| Connections | Not specified | Not specified |
| Software requirements | Not specified | Not specified |
| Physical requirements | Supply voltage: 2V to 6V operation | Required tactile LED switches: 2 tactile LED switches; top and bottom switches may use different colours. Required header pins: 4 male header pins. Required mounting screws: 2 M2.5x5 mm dome-head screws. LED resistors: An appropriate resistor is required for each LED colour. |
| Hardware compatibility | Not specified | Compatible annunciator enclosure: 737DIYSIM Replica Dual Colour Korry Annunciators. Header pin functions: GND, Button/SW, Top LED, Bottom LED. |
| Simulator add-on compatibility | Not specified | Not specified |
| Dimensions & details | ||
| Product dimensions | Not specified | Not specified |
| Product weight | Not specified | Not specified |
| Additional factual details | Multiplexer channels: 16 channels; routes the common signal pin to one of 16 channel pins Signal types: Supports analog and digital signals; signal voltage must not exceed VCC Control interface: Uses four digital address-select inputs, S0-S3; up to 16 sensors can be connected using five pins Signal routing: Bidirectional switching; suitable for TTL-level serial data and potentially I2C or SPI arrangements On resistance: 70 Ohms at 4.5V Switching behavior: 6ns break-before-make at 4.5V Operating temperature: -55C to 125C Enable control: Enable pin can disconnect the common pin when driven high Package contents: One CD74HC4067 16-channel analog/digital MUX breakout board | LED voltage guidance: Orange LED: 1.9 V; yellow LED: 2.1 V; green LED: 3 V; white LED: 3.2 V. SKU: AL23DKPV1A-L2B Listed price: £1.48 |