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JD Camera Recording

Hello,  I'm trying to record a video from JD's camera - I have tried to use :   "_camera.StartCamera" and then "_camera.AVIStartRecording" but it doesn't seem to work.. I'm not sure if it is the right way and what videoCaptureDevice argument should be?  Maybe someone have an example for recording a video?  Thank you, Orit

Ez-Arduino With L293

I used the L293 module connected to arduino, the ultrasonicsensor to make the rotbot automatically avoid obstructions, so when I turned the arduino into ez-b, I could connect it to L293, the ultrasonic sensor and do that project withez-cript similar to the code C++ II wrote and it doesn't seem to work?

Speech Delay BT Speaker

Sorry for all the questions. I try to test and research before asking. I have a issue that's bothering me and can't seem to figure it out. I'm using a Alfawise X5 from gearbest and a BT speaker. Whenever I use any kinda speech trough the BT speaker. There is a slight delay and the 1st word is not spoken. Iv'e tried setting the speaker as the...

Powering Mini PC

Looking for suggestions on powering on mini PC on a battery. Trying to keep it light weight. Would a 12V lead acid battery with a buck converter work? PC is 12V 1.5a draw

Hitec D845WP Servos Can't Move Slow And Smooth

I'm testing a new robot , using ezbv4 and hitec D845WP servos with lipo 7,4 V batteries. (I never used these servos and such high-current batteries before). These servos are very quick, expecially with lipo batteries. So, when I program an action, I can't get a smooth and and slow movement, no matter how  I set delay, step and speed in the action...

Getvoltage - Object Reference Not Set

Can anyone tell me why GetVoltage() in a script gives me the error "Object reference not set to an instance of an object" ? Regards BAW