DC-DC adjustable regulated power supply modules 1.Top quality 2.In stock product 3.Reliable supplier 4.Fast delivery DC-DC adjustable regulated power supply modules & upgraded version of the LM2596 voltage regulator module & blue voltmeter 1. Voltmeter error of ± 0.1V, range 0-36V (more than 36V HHH prompted voltage too high), (Note: To ensure the accuracy of the voltmeter, please ensure that the ...