The 7-segment FeatherWing can easily add a 4-digit display with a decimal point, and even be used to make the "second colon dot" of a clock.
The LED itself is not connected to the Feather. On the contrary, the matrix driver chip (HT16K33) will perform multiplexing for you.
Feather only needs to send the i2c command to the chip, telling it which LEDs to light up, and it will handle it for you. This reduces a significant amount of work and pin requirements for Feather.
Since it only uses I2C for control, it can be used with any Feather and can share I2C pins with other sensors or displays.
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وصف
1.Description:
The 7-segment FeatherWing can easily add a 4-digit display with a decimal point, and even be used to make the "second colon dot" of a clock. The LED itself is not connected to the Feather. On the contrary, the matrix driver chip (HT16K33) will perform multiplexing for you. Feather only needs to send the i2c command to the chip, telling it which LEDs to light up, and it will handle it for you. This reduces a significant amount of work and pin requirements for Feather. Since it only uses I2C for control, it can be used with any Feather and can share I2C pins with other sensors or displays.
2.Feature:
1>.IIC address can be set by A0/A1/A2: 0x70-0x77
2>.Double row input/output GIPO terminal block
3>.0.56in 4-Digit 7-Segment Display Screen
3.Parameter:
1>.Work Voltage: DC 3.3V-5V
2>.Size: 51*23mm