From 9308b59445e54409c8fb32f23bb7c55d656f36dc Mon Sep 17 00:00:00 2001
From: mrfaptastic <12006953+mrfaptastic@users.noreply.github.com>
Date: Sat, 18 Mar 2023 12:17:41 +0000
Subject: Update README.md

Added SM1620B to unsupported list.
---
 README.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8cd3a49..c28ae41 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,8 @@ Due to the high-speed optimized nature of this library, only specific panels are
 * FM6126A AKA ICN2038S, [FM6124](https://datasheet4u.com/datasheet-pdf/FINEMADELECTRONICS/FM6124/pdf.php?id=1309677) (Refer to [PatternPlasma](/examples/2_PatternPlasma) example on how to use.)
 * SM5266P 
 
-## Unsupported Panels
+## Unsupported chips
+* [SM1620B](https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-DMA/issues/416)
 * RUL5358 / SHIFTREG_ABC_BIN_DE based panels are not supported.
 * ICN2053 / FM6353 based panels - Refer to [this library](https://github.com/LAutour/ESP32-HUB75-MatrixPanel-DMA-ICN2053), which is a fork of this library ( [discussion link](https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-DMA/discussions/324)).
 * Any other panel not listed above.
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