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Is there anything specific to be done with the Esp32 DevKit V1 board, to use the nRF24L01+PA+LNA, because I've done it in several ways and didn't connect for anything?
Think about the locations where wifi is not available. This module supports 4G LTE. I have used it in some intermediate and advanced level projects. Check the esp32 playlist.
Nice work! Could you help me? Chinese calliper data reading pi pico micropyton is the few lines of code that do this! Unfortunately, I couldn't find a sample example of such a thing anywhere!
Nice work! Could you help me? Chinese calliper data reading pi pico micropyton is the few lines of code that do this! Unfortunately, I couldn't find a sample example of such a thing anywhere!
Great Video! Why did you isolate both, the EC and the PH Probe? I understand from a dfrobot video, it is sufficient to isolate one of them. As long as the two probes do not have common lines, one is fine. Also, did you experiment with switchen one probe off when testing with the other one? For me this worked well in one direction - switching PH Probe off, the EC Probe had proper values. The other way round it took a while (20 sec) waiting time for it to work
Hello Done all the steps, everything ok STM32 now the green LED flashes, but the end of the loading, gives me this writing in red? maple_loader v0.1 Resetting to bootloader via DTR pulse Reset via USB Serial Failed! Did you select the right serial port? Searching for DFU device [1EAF:0003]... Assuming the board is in perpetual bootloader mode and continuing to attempt dfu programming... dfu-util - (C) 2007-2008 by OpenMoko Inc. This program is Free Software and has ABSOLUTELY NO WARRANTY Couldn't find the DFU device: [1EAF:0003] timeout waiting for COM14 serial What does this writing mean?
I'm pretty sure the ground of the 12V-connector and the ground of the 7805 voltage regulator should be connected in the schematic at 9:21, right? Otherwise, I don't see how the circuit would ever receive power. Other than that, this video is a great source of information!
I am using this very same sensor like yours. I used 12v pump as well to maintain constant pressure however I am getting inaccurate readings. Should the sensor be above the pump? And is there any recommended distance from the pump to the sensor for a more accurate readings? Please advise me if you can 😊
Sir esprainmaker iot with esp32 working inbuilt RTC control relay without internet one time fetching schedule time from server and working without internet until power reset. I'm using battery for uninterrupted power supply to esp32 and working well without internet timer control relay
this is simple, you need to use if conditions to check the pH, TDS, etc and then accordingly control the pumps. the way i explained for the water level.
@@ElectroniClinic Thanks a lot for the reply but there is a challenge with controlling motors. The nutrient solution does not dissolve immedeately so by the time sensor reads the values it goes higher than expected.
