thehardwarestore.ai

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bird-sanctuary/bluejay ★ 514 73 APPLICATION

Bluejay is embedded firmware for Electronic Speed Controllers (ESCs) that control brushless motors in multirotor drones. It processes DShot digital signals (150/300/600) to regulate motor speed, provides bidirectional DShot telemetry for RPM data, and implements motor commutation, power management, and safety features. The architecture is a monolithic 8051 assembly program built for SiLabs EFM8 BB2/BB51 MCUs, using a superloop design with interrupt handlers for real-time signal processing. Key components include DShot decoding/encoding, six-step motor commutation, and a cooperative scheduler for background tasks like telemetry transmission and temperature monitoring.

RATING: 8.7/10 MAINT: active DRIFT: low
#esc-firmware #bldc-control #dshot-protocol #embedded-systems #motor-control #telemetry #8051-assembly #multirotor
▸ 3 reusable components found
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