Entex Baseball 2 Chip labeled MP0923 MS ^ 7923 die labeled MP0923 7 buttons: Batter, Steal, Slider, Curve, Fast Ball, Change Up, Knuckler/Steal Defense 1 switch: Auto/Man 3 7-segment LEDs 38 LEDs Piezo buzzer TMS1000 pinout 1 R8 - LED matrix 2 R9 - LED matrix 3 R10 - Piezo 4 VDD 5 K1 - Knuckler/Steal Defense button 6 K2 - Auto/Man and Steal buttons 7 K4 - Fast Ball, Change Up, Curve, Slider buttons 8 K8 - Batter button 9 INIT - resistor/cap/diode 10 O7 - LED matrix 11 O6 - 7-segment G / LED matrix 12 O5 - 7-segment F / LED matrix 13 O4 - 7-segment E / LED matrix 14 O3 - 7-segment D / LED matrix 15 O2 - 7-segment C / LED matrix 16 O1 - 7-segment B / LED matrix 17 O0 - 7-segment A / LED matrix 18 OSC1 - OSC2 and 47 cap to VSS, 47K resistor to VDD 19 OSC2 - OSCa and cap and resistor 20 VSS 21 R0 - LED matrix 22 R1 - LED matrix 23 R2 - LED matrix 24 R3 - Fast Ball, Batter, Auto/Man buttons and LED matrix 25 R4 - Change Up and Steal buttons and LED matrix 26 R5 - Slider button and LED matrix 27 R6 - Curve and Knuckler/Steal Defense Buttons and LED matrix 28 R7 - LED matrix button matrix K1 K2 K4 K8 R3 Auto/Man Fast Ball Batter R4 Steal Change Up R5 Slider R6 Knuckler Curve LED numbering 37 38 33 34 30 31 32 35 36 28 29 25 24 26 21 23 27 20 16 22 15 17 14 18 01 13 19 02 03 04 05 06 07 08 09 10 11 12 LED Matrix O0 O1 O2 O3 O4 O5 O6 O7 R0 D1-A D1-B D1-C D1-D D1-E D1-F D1-G L2 R1 D2-A D2-B D2-C D2-D D2-E D2-F D2-G L3 R2 D3-A D3-B D3-C D3-D D3-E D3-F D3-G L4 R3 L36 L35 L38 L37 -- -- -- -- R4 L33 L34 L28 L29 -- -- -- -- R5 L30 L31 L32 L1 -- -- -- -- R6 L19 L16 L13 L8 -- -- -- -- R7 L14 L15 L17 L18 L20 L21 -- -- R8 L22 L23 L24 L25 L26 L27 -- -- R9 L6 L9 L12 L11 L10 L7 -- L5 Power On LED 37 on LED 1 flashing 7-segments show 1 0 0 In auto mode, 3.7 seconds to pitch