Ergonomic keyboard

An ergonomic keyboard, which is placed on a flat surface and comprises:

• a first key area;
• a second key area;
• and
• an adjustment module pivotally connected between the first key area and the second key area, the adjustment module comprising:
• a first bearing pivotally connected to the first key area by a first connecting shaft;
• a second bearing pivotally connected to the first bearing and pivotally connected to the second key area by a second connecting shaft;
• the first bearing and the second bearing can rotate relative to each other for adjustment of an included angle between the first key area and the second key area;
• a rotary knob;
• an adjustment screw fixedly connected to the rotatory knob to rotate together with the rotatory knob;
• and
• a supporting base supported on the flat surface;
• the supporting base has an internal thread, and the internal thread is screwed with the adjustment screw, wherein the supporting base and the adjustment screw are inserted through a central hole of the first bearing and the second bearing, wherein when the rotary knob rotates, the adjustment screw rotates together with the internal thread of the supporting base for adjustment of an inclination angle of the first and the second key areas with reference to the flat surface.