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my custom marker is draggable and located in my current location.

However, I need to change my position first before I could see my custom marker so that I could drag it to wherever I want to put it.

Is there a way my custom marker pins in front of me or beside me as long as I see them immediately.

I am learning how to control P10 Led matrix 64x32 with NodeModule MCU ESP8266, I google and found this library https://github.com/2dom/PxMatrix and this tutorial https://www.instructables.com/RGB-LED-Matrix-With-an-ESP8266/. I believed that I wire between P10 and ESP8266 in true way in the tutorial, but that P10 led does not display as the example:

The true result will be:

This is my wire diagram:

This is my code:

I realy hope im not the only one having this problem (i deleted my previous Question because it seems kinda missleading so heres my secont attempt)

I try to use the Rasbpery pi 4b GPIO Pins using a Uno app:

my setup:

i tried it before with a consol APP and it works:

Console APP Code:

I am building a VB.NET Win Forms app that is reading the serial output of an Arduino and I want the VB.Net app to do something based on what it reads from the Arduino. The problem I am encountering is that even though I can read from the Arduino I can't seem to write it into an if statement.

The Arduino is a simple 3 button schematic. A red, yellow, and green button attached to digital pins 2,3, and 4. When one button is pressed the Arduino outputs the text "Red Button On", "Yellow Button On", or "Green Button On" depending on which button is pressed.

In the VB.Net app I have a label named lblHintRequest. I can load the arduino serial output onto this label. However, once I load the arduino serial output onto this label I can't seem to do anything with it. What I need is an if statement that will read which button is pressed and then do something depending on the button pressed. I have also tried adding a timer that ticks ever 500 ms that would read the label and this still did not work. The vb.net app just keeps skipping over the if statement.

The last thing I can think of trying is to use a textbox instead of a label and maybe that would help? But I really want this to be a label.

I have a system collection and want to display on ListView two columns dateForecast and levelForecast from IEnumerable.

This is my ListView and GoogleFormMap:

I have CustomMapRenderer class in my android project in which when you press a marker on the map the list is filling from database with this code:

I have a TTGO T-CALL ESP32+Sim800L board and I want to send accelerometer data to Firebase. I am using the TinyGSM library which supports SSL/https connections for Sim800L. I am currently sending dummy data to see if it works but it is giving me a failed flag. Why is it not sending data to Firebase?

I have a BeagleBone Black board and I'm using the below-mentioned image file. https://debian.beagleboard.org/images/bone-debian-10.3-iot-armhf-2020-04-06-4gb.img.xz

I aim to operate GPIO pins of this board with the c programming language.

To do so, I've gone through this link: https://beagleboard.org/static/librobotcontrol/installation.html

And after following all the steps according to this link the result I achieved is the same as mentioned in the checking functionality step [the last step] of this document.

Furthermore, I follow this document for c language setup: https://github.com/beagleboard/librobotcontrol/blob/master/docs/src/project_template.dox

and run this source code: https://beagleboard.org/static/librobotcontrol/rc_test_leds_8c-example.html

All these processes were completed without any error.

################################## Now I want to access the GPIO pins of the board. For that, I've prepared a basic code.

Let's take a pin P8_10 / GPIO2[4] for an example. So for that my code will be:

I am running a main python program on a Windows PC that is hooked to equipment that cannot be ran on an Raspberry pi. At a certain point in the main program, I want to call/execute a Rpi program to run. I need the GPIO pins from the Rpi to turn on a relay/s. Is there a way to wirelessly(or serially) open and run the program on the raspberry pi from the main program already running on the Windows PC?

Maybe I am not thinking of something, is there an easier and just as cheap solution to turn on a relay from the Windows PC program?

Any points in the right direction would be greatly appreciated.