LED Matrix Design RP2040
Allocate additional RP2040 pins for controlling XLAT, BLANK, and GSCLK signals to the TLC5940.
422 days
0:29
Below is a suggested pin allocation for the additional control signals:
Table
| RP2040 Signal | RP2040 Pin | Function |
|---|---|---|
| XLAT | GP20 | Latch signal to load the shift register data across the chain. |
| BLANK | GP21 | Controls output blanking (disables/enables LED outputs). |
| GSCLK | GP22 | Provides the grayscale clock for PWM brightness control. |
This allocation ensures dedicated digital outputs from the RP2040 for controlling the daisy-chained TLC5940 devices in your 16×16 LED matrix design.
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422 days
C1
Capacitance
0.1uF
U1
IC1
Reviews
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