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TXB0108 8-Bit Bidirectional Voltage-Level Translator

The TXB0108 8 Channel Bi-directional Logic Level Converter is useful for interfacing sensors or 3.3v logic components with 5v logic level microcontrollers. This unit will do the level shifting required to allow theses device to communicate without any damage occuring to the devices. On the right side Vb is the input voltage reference of 5v, whereas Va and OE is the input reference of 3.3v. The common ground is applied to GND and B1 to B8 will serve as digital input 5v to be converted into 3.3v from A1 to A8 or vice versa.…

Electronic component tester

I recently was browsing electronic kits on various websites and noticed that there seemed to be a few component testers that can be bought, some are assembled and others need assembled. I purchased some and will show some of the features and results from testing a few components. The first one is the following tester It is described as a Multifunctional transistor tester for the automatic recognition of NPN and PNP transistors, N-channel and P-channel MOSFETs, diodes, thyristors, resistors, capacitors or other means.…