Who made the first Cav patch?

Who made the first Cav patch? Designed by Col. And Mrs. Ben Dorsey, while serving as the commander of the 7th Cavalry Regiment at Fort Bliss, Texas, the design reflects the history and traditions of the cavalry. The patch is shaped as a triangular Norman shield, with yellow, the traditional color of the cavalry, as […]

How do I use ISD 1820?

How do I use ISD 1820? How to Operate ISD1820 Voice Recorder Module? Connect small 8Ω Speaker at the output of the Module i.e. across SP+ and SP-pins. Push the record button (REC) on the module and the module starts recording. Continue to push the button until you record the complete message (about 10 Seconds, […]

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