3pcs TM1637 6-Bits Tube LED Display Key Scan Module DC 3.3V To 5V Digital IIC Interface Geekcreit for Arduino - products

Description The TM1637 is a dedicated LED drive control circuit with a keyboard scan interface It integrates MCU digital interface data latch LED high voltage drive keyboard scan and other circuits Mainly used in display drive of induction cooker microwave oven and small household appliances Product Parameters Digital tube size six in one 0 36 inchesDriver chip TM1637Voltage DC 3 3V 5VCurrent about 30maService life 50 000 hoursCable length 30cmDrive mode I2C protocolWorking temperature 40C 85CPackage form DIP SOP2OSize 43 7mmX28 5mmX18mm Features 1 It is easy to connect with only four wires 2 Only occupy two IO ports of the single chip microcomputer greatly reducing the IO port of the single chip microcomputer3 Eight levels of gray can be adjusted can be adjusted by writing the value of the register4 No need for the main program of the MCU to dynamically scan which greatly saves the CPU usage of the MCU5 Convenient connection with various MCU control boards for display and parameter setting adjustment6 The interface adopts white high quality plug which is convenient for plugging and unplugging and convenient for wiring 7 Widely used can be used for the circuit board of the MCU control board that needs to expand the display etc 8 Four fixing holes 3mm for customers to install equipment panel Usage For counters delays frequency meters stopwatches voltage and current displays etc Also available with our relay control board for time