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مميزات خاصة
The chip used in this module is TM1638, which integrates common peripheral circuits of single chip microcomputer
Its biggest feature is that it only needs to occupy three IO ports of the single chip computer to drive scanning detection and display, saving MCU resources
Equipped with digital interface, data latches, keyboard scanning circuit, etc
After practical application, the key sensitivity display effect is good
Simple design, practical using, giving you great convenience
وصف
Characteristic
Adopt power CMOS technology
Display mode 10 segments × 8 bits
Key scan (8 × 3bit)
Brightness adjustment circuit (duty cycle 8 adjustable)
Serial interface (CLK, STB, DIO)
Oscillation mode: RC oscillation (450KHz+5%)
Built-in power-on reset circuit
SOP28 packaging
Connection method: VCC GND is connected to the 5V power supply, and the STB CLK DIO is connected to the IO port of the MCU
Sizes: 7.50X5.00X1.30cm
Shipping list:
Key digital LED display module 4 pieceC