The invention relates to the technical field of machinery and
electronics, and provides a rotatable double-sided
electronic board. The rotatable double-sided
electronic board comprises a support plateprovided with a cavity, the front side of the support plate is provided with a display, the back side of the support plate is provided with a writing pad, a control module is arranged in the cavity of the support plate and comprises a memorizer, a
power module and a switch unit, wherein the memorizer, the
power module and the switch unit are connected with a
single chip microcomputer, and the display is connected with the
single chip microcomputer of the control module; and the support plate is provided with a round hole, and a rotating rod penetrates through the round hole and is fixed to the support plate by two clamping valves. The invention further provides an electronic
bulletin board. Through arrangement of the display on the front side of the support plate and the writing pad on the back side of the support plate, the
electronic board not only can meet a demand of
handwriting, but also meet a demand of electronic displaying; through the rotating rod, the support plate can rotate around the rotating rod, not only the writing pad, but also the display can face towards a reader, so that the reader can conduct convenient writing, pasting or reading of
electronic information, etc.