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| Buyer advice | Preparing AI insights | |
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| Overview | ||
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| Price | $2.95 | €149.00 |
| 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 USB circuit board for driving analogue cockpit gauge inputs. It provides frequency and voltage outputs configurable through software lookup tables, including dedicated examples for 737 Classic engine and fuel-flow instruments. |
| Aircraft | Not specified | 737 |
| Aviation category | Universal / Generic | Airliners |
| Compatibility & connections | ||
| Supported simulators | Not specified | Not specified |
| Connections | Not specified | Interface: USB |
| Software requirements | Not specified | Configuration: Software selects a data source and connects it to an output through a lookup table. |
| Physical requirements | Supply voltage: 2V to 6V operation | Input loading: Outputs are intended for high-impedance inputs and may only be loaded up to a few mA. |
| Hardware compatibility | Not specified | Not specified |
| 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 | Frequency outputs: Two frequency outputs: 50–3500 Hz and 0 to ±5 V. Combined outputs: Two combined outputs on channels 3 and 4, with 0 to ±5 V output. Example aircraft instruments: Frequency outputs can control 737 Classic N1/N2 instruments; channels 3 and 4 can control a 737 Classic Fuel Flow Instrument. Output adjustment: Output voltage can be set between 0 and ±5 V using a trimmer. Calibration: Lookup tables support calibration of uneven dials. Price: 149.00 EUR including VAT. |