Electronic chess board

The utility model provides an electronic chess board, including piece detection circuitry, piece detection circuitry is the criss -cross matrix type circuit of ranks, each of matrix type circuit listsand is provided with first diode, and the positive pole of first diode is connected with the source phase through first resistance respectively, each ranks cross section of matrix type circuit is provided with second diode and magnetic reed switch, the magnetic reed switch is connected with the positive pole of second diode, and the negative pole of second diode passes through second resistance and is connected with the source phase. The utility model discloses the ranks cross section that sets up the matrix type circuit on the chess board has set up diode and magnetic reed switch, and it canonly be according to the problem of next button to have solved among the prior art every line, and " terrible key " problem, and practical magnetic reed switch promptly, mode through strong magneticattraction make the switch