From 31f4cbe9011e030e07a45fe97288a78c5e390496 Mon Sep 17 00:00:00 2001
From: Lionkk <Lion_yan@outlook.com>
Date: Mon, 6 Jan 2020 15:17:23 +0800
Subject: [PATCH] Update sonarbit.ts

---
 sonarbit.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sonarbit.ts b/sonarbit.ts
index b881e85..01ca8a3 100644
--- a/sonarbit.ts
+++ b/sonarbit.ts
@@ -41,7 +41,7 @@ namespace sonarbit {
         let d = pins.pulseIn(pin, PulseValue.High, 25000)  // 8 / 340 = 
         let distance = d * 9 / 6 / 58
 
-        if (distance > 4000) {
+        if (distance > 400) {
             distance = 0
         }