SEQURE specializes in portable electronics tools and RC components, including intelligent soldering irons, hot tweezers, electric screwdrivers, and FPV drone flight controllers.
SEQURE is a manufacturer of precision electronics tools and hobbyist components, widely recognized for its portable soldering solutions and remote-control vehicle accessories. The brand offers a range of smart tools such as the SQ-001 and S99 soldering irons, HT140 hot tweezers, and motion-control electric screwdrivers, all designed for DIY enthusiasts and professionals requiring mobile repair capabilities.
In addition to maintenance equipment, SEQURE produces high-performance electronic speed controllers (ESCs), flight stacks, and GPS modules for FPV racing drones and RC models. The company emphasizes community-driven development, frequently offering firmware upgrades and customizable settings for their devices.
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To upgrade firmware, connect the device to a computer via USB-C while holding the specified button (usually Button A) to enter DFU mode. A virtual disk will appear on your computer; copy the firmware (.hex) file downloaded from the SEQURE website to this disk. If the extension changes to .RDY or the screen says 'YES', the upgrade is successful.
SEQURE soldering irons typically support a wide voltage range (e.g., DC 12V-24V) via a DC5525 interface or USB-C PD/QC protocols. Check your specific model's manual for the exact voltage limits to ensure optimal heating performance.
Enter the calibration menu (Calib). Clean the tips and apply solder. Use an external thermometer to measure the actual tip temperature. Adjust the T1-T4 parameters in the menu to match the thermometer reading until the values align.
These warnings indicate the input voltage is outside the safe operating range. 'High-V' means the voltage is too high for the device, while 'Low-V' means the battery or power source is below the set threshold. Adjust your power source or cutoff settings accordingly.