I have always had to clear the space before writing to my display. I normally use the 2x16 lcd displays. You don't have to clear space if your new val...

@stevenbennett When you download the software there is documentation for the libraries which there are two. HAL and LL The LL libraries really ...

So you have a -5v to +5 signal that you want to change to 0 to +5volt signal so it can be read by a analog input ? A digital signal only has two st...

I have spent a lot of time programming the nucleo boards and using the CubeIDE environment which includes CubeMX. My hats off to ST they have done a w...

You can charge a battery with a power supply as long as you can monitor the current and adjust the voltage. I do that with lithium-ion batteries. Us...

@tellurian I think you are making the right move. It took me a couple of tries to finally get away from Windows. I still have a Windows box to run a c...

Does the rf work in the box when the esp32 is off ?

This may not be the answer but you can give it a try As far as loading programs you have to be part of the group dialout for access to serial ports....

@draziw My bad, I didn't see that response from you and thought you just asked the second question without responding to anyone who answered the your ...

Positive is located in LiquidCrystal_i2c.h around line 162 for my h file /* PCF8574 backlight controls */typedef enum : uint8_t{POSITIVE = 0x01,...

You haven't so good about responding to responses to your first post that I am not inclined to keep this thread going.

@michaeldk Yes, use copper wire 8.6 cm long for 868 MHz.

Welcome Rick, You have a good head start with your background. I am thinking about getting a 3D printer at some point. I have been using Design Spar...

I use a battery pack I made to be a mobile charger for my 5 volt devices. Since covid I have not been toomobile so I ended up using it to power my pro...

I have a couple of those modules and for testing just used a straight piece of wire cut to length for 915 MHz. Eventually I will use the u.fl connect...