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-rw-r--r--hwdef-Noctigon_KR4.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/hwdef-Noctigon_KR4.h b/hwdef-Noctigon_KR4.h
index f624e64..4eec585 100644
--- a/hwdef-Noctigon_KR4.h
+++ b/hwdef-Noctigon_KR4.h
@@ -80,7 +80,7 @@
// REFS[1:0] = 1, 0 for internal 1.1V reference
// other bits reserved
#define ADMUX_VOLTAGE_DIVIDER 0b10000110
-#define ADC_PRSCL 0x06 // clk/64
+#define ADC_PRSCL 0x07 // clk/128
// TODO: calibrate this
// Raw ADC readings at 4.4V and 2.2V