Medical arm sphygmomanometer standard plate

Series 1: 5V-USB powered/6VDC head/4 alkaline dry batteries

Series 2: 5V USB powered/3.7V lithium battery

Screen:

LCD: 4COM * 24SEG or 6COM * 22SEG, 1/3bias, 3.3V, gold finger spacing 0.6 * 0.6mm R-type LCD

Pressure module:

Compatible with various brands and full range resistive sensors on the market

Voice function:

MASK, OTP, FLASH unified SOP8 compatible packaging, can be compatible with multiple speech chips (40 seconds, 90 seconds, 170 seconds, 340 seconds, 600 seconds)

Key:

1-5 touch or touch buttons for selection

The standard board of medical arm sphygmomanometer is compatible with four key modes:

1) Normal IO status detection with 1-5 buttons (can be awakened by external interrupt)

2) 2 * 3 button scanning and 2 * 3 LED driving mode (both can be awakened by external interrupt)

3) 1-3 button IO type detection touch button (can be awakened by external interruption)