RCEXL Ignition Mini TachometerDesigned specifically for use with RCEXL ignition systems, this compact Mini Tachometer provides accurate real-time RPM readings without the need for batteries. Powered directly from your ignition unit, it features a P1C16F628A microcontroller and a high-brightness LED digital display, capable of measuring up to 30,000 RPM.With a standard Futaba plug connector and lightweight design, this mini tachometer is easy to install using a Y-wire connection between your ignition and Hall sensor. Its durable, vibration-resistant wiring setup ensures reliable data during flight.Key Features: Microcontroller: P1C16F628A for precise RPM calculation Battery-free operation, powered by ignition voltage (3.5V–8.4V input) Standard Futaba plug wiring (Black: Negative, Red: Positive, White: Signal) High-brightness LED digital display shows RPM up to 30,000 (Actual RPM = Display × 10) Compact size: 41mm (L) × 17mm (W) × 12mm (H), weight: 8.5g Easy Y-wire installation between Hall sensor and ignition Recommended to remove after flight to prevent wiring issues Designed to avoid signal interference by routing wires away from ignition high-voltage cables Installation Instructions: Connect the Y-wire in tandem between the Hall sensor and ignition unit. Plug the tachometer connector into the Y-wire. Power comes from the ignition supply, and the tachometer displays RPM automatically. Important Notes: Secure connections to prevent vibration-related disconnections. Keep Hall sensor and tachometer wires away from high-voltage ignition wires by at least 30cm. If your ignition has a dedicated tachometer pinout, connect the tachometer signal wire directly to it. It is recommended to disconnect the tachometer after use to avoid sensor signal interference.
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