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-rw-r--r--converter/adb_usb/matrix.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/converter/adb_usb/matrix.c b/converter/adb_usb/matrix.c
index ee17f655f2..566592c93f 100644
--- a/converter/adb_usb/matrix.c
+++ b/converter/adb_usb/matrix.c
@@ -85,6 +85,7 @@ uint8_t matrix_scan(void)
uint8_t key0, key1;
is_modified = false;
+ _delay_ms(16); // delay for preventing overload of poor ADB keyboard controller
codes = adb_host_kbd_recv();
key0 = codes>>8;
key1 = codes&0xFF;