Do you mean that the sensor code file does not provide the above four commands, or do you mean that you have seen these four commands in other tutorials but cannot use them?If it is the former, our current library files do not provide these commands. If you have customized requirements, please send specific requirements and customized quantities to techsupport@dfrobot.comIf the latter, please send us a link so we can check.We are not native speakers of English, so we may encounter difficulties in communication, please respect and understand each other.

The following four instructions："getSensitivity""getRange""getLatency""getLedMode 1"，where do you find these?

Hi, Did you choose the correct port, please send us the corresponding output data and screenshots, thank you.

Hi, The sensor does not require manual calibration, but needs to be powered on for 24 hours before first use to ensure accurate readings. 

Hi, Only when the number of interruptions within 1S is greater than 1 will it be judged that the object is detected; when you use it, the sensor LED always outputs a high level or can it be monitored normally?

Hi, Sorry at present, the github platform technical support are really busy; therefore, if there is no timely reply, you can contact us in the Forum or technical support mailbox.

May I ask where you got these orders?

Hi, Try to use the serial port output to view the data output by the Hall sensor, and see if the chess pieces can output high and low levels normally when placed.

No, the sensor only detects moving objects within the set range.

Hi, Sorry, bluno cannot communicate with ibeacon for the time being, we have no corresponding library file

Hi, Could you please tell us the SKU or specific name of the module you are referring to?

Yes, the higher the security level, the lower the sensor recognition rate, the higher the rejection rate.

Yes, mega2560 supports multithreading

Hi, You can communicate with each other using a hard serial port (TX-RX RX-TX) or using a Bluetooth module.

Yes

Hi, The data were obtained through software fitting of a large number of samples.

Hi, have you download the libraries?

Hi, Sorry, this product can control the speed. It can control the rotation speed and direction of the steering gear through PWM, but it cannot control the Angle.

Please refer to step 4 of the calibration procedure in the wiki: Insert the pH electrode into the calibration solution with a pH of 4.00, wait one minute, and adjust the gain potentiometer so that the printed pH is as stable as possible around 4.00. At this point, the calibration of the acid section is complete and you can test the pH of the acid solution.

You can introduce three int variables acb, representing the number of recognition, the number of successful matches, and the number of failed matches. For each successful match or failed match, the total number of times and the number of results are increased by one. When the total number of times reaches 10, the statistical result is output.You can complete the project with the for() loop.

Hi, Are you using sample code? Please contact our technical support email at techsupport@dfrobot.com