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What will happen if the power adapter supply is insufficient? DFR0682 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Do the ORP probe need to be calibrated? How often? SEN0464 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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How long does the probe need to be calibrated? DFR0300-H DFR0300 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Motor won't spin despite power light? Check code, wiring, and driver circuit. ROB0148-EN-L FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Why the sensor init failed and the serial monitor printed "device not detected"? SEN0335 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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No output/wrong data? Check code, wiring, power & baud rate. SEN0497 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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The Led looks dim, and no flashing, why? TEL0107 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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What if getting DHCP fails? DFR0125 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Check power supply stability, recalibrate touchscreen, and verify grounding/shielding. DFR0524 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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There are two drives u8g2 and DFRobot_GDL are provided, should I install both of them? DFR0647 DFR0648 DFR0650 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Can the receiver directly control the relay?ha TEL0140 TEL0142 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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How long can ORP electrodes be used? SEN0464 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Why is there no touch response when HDMI signal is input, and the screen displays correctly? DFR1045 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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The module does not work when everything is fine, what should I do? DFR0627 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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No display/black screen, how? DFR0615 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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and the CONFIG.TXT file isn't automatically generated when the module is powered on. TEL0148 TEL0147 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Encountering I2C address conflicts? ROB0156-L SEN0536 TEL0157 DFR0998 TEL0124 MBT0012 TEL0110 MBT0021-EN FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Why does the button module sometimes not work after downloading the program? DFR0991 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Reduce power: sleep mode, low TX, and short duty cycle. TEL0140 TEL0142 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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Minimize power: sleep mode, lower TX duty cycle, efficient components. TEL0140 FAQ SEO FAQ Aftersales FAQ JaneYu 2026-02-14 08:57:25

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