We need electronic components to build our testing, for instance, Resistor, LED, sensor devices and etc. I recommend you can buy electronic component kit. We can use electronics kit from Arduino to be developed on OpenMV. The following is a list of electronics kit which can be used in our case.
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Store website: .
You can buy Fritzing Starter Kit with Arduino UNO or Fritzing Starter Kit with Arduino Mega.
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You also can find this kit on this online store.
Another option, you can buy this kit on Seeedstudio, .
DFRobot provides Arduino kit too. You can buy it on the following website.