hello 7 inch composite monitor with resolution 1024x600 are available which can be powered from usb port but they are as expensive as the one with the HDMI interface and overall the display sharpness of a composite monitor is not as good as one with the HDMI interface that why we do not promote larg...
Hello below is the plug n play rfid reader for raspebrry pi it plugs on to the usb port and do not need any drivers to be installed (power is also drawn from the usb port) it is a HID interface so the rfid card number will be emulated as a keyboard inputs to your application http://www.neosecsolutio...
hello you can look at below models and see if it can meet your requirement http://www.neosecsolutions.com//products.php?28&cPath=17 the below product is specially for pi zero as it do not have any header , but you need to do some wiring http://www.neosecsolutions.com//products.php?95&cPath=28 regard...