diff --git a/Production/Firmware/chu_pico.uf2 b/Production/Firmware/chu_pico.uf2
index 8d162f6..2652006 100644
Binary files a/Production/Firmware/chu_pico.uf2 and b/Production/Firmware/chu_pico.uf2 differ
diff --git a/doc/cmd.png b/doc/cmd.png
index 991ec30..8efac07 100644
Binary files a/doc/cmd.png and b/doc/cmd.png differ
diff --git a/firmware/src/cmd.c b/firmware/src/cmd.c
index 6a80eaa..b7566d3 100644
--- a/firmware/src/cmd.c
+++ b/firmware/src/cmd.c
@@ -64,6 +64,8 @@ static int match_prefix(const char *str[], int num, const char *prefix)
 
 static void handle_help(int argc, char *argv[])
 {
+    printf("\n   << Chu Pico Controller >>\n");
+    printf(" https://github.com/whowechina\n\n");
     printf("Available commands:\n");
     for (int i = 0; i < num_commands; i++) {
         printf("%*s: %s\n", max_cmd_len + 2, commands[i], helps[i]);
@@ -183,6 +185,28 @@ static void handle_fps(int argc, char *argv[])
     printf("FPS: core 0: %d, core 1: %d\n", fps[0], fps[1]);
 }
 
+static void handle_stat(int argc, char *argv[])
+{
+    if (argc == 0) {
+        for (int col = 0; col < 4; col++) {
+            printf(" %2dA |", col * 4 + 1);
+            for (int i = 0; i < 4; i++) {
+                printf("%6u|", slider_count(col * 8 + i * 2));
+            }
+            printf("\n   B |");
+            for (int i = 0; i < 4; i++) {
+                printf("%6u|", slider_count(col * 8 + i * 2 + 1));
+            }
+            printf("\n");
+        }
+    } else if ((argc == 1) &&
+               (strncasecmp(argv[0], "reset", strlen(argv[0])) == 0)) {
+        slider_reset_stat();
+    } else {
+        printf("Usage: stat [reset]\n");
+    }
+}
+
 static void handle_hid(int argc, char *argv[])
 {
     const char *usage = "Usage: hid <joy|nkro|both>\n";
@@ -424,6 +448,7 @@ void cmd_init()
     register_command("?", handle_help, "Display this help message.");
     register_command("display", handle_display, "Display all config.");
     register_command("fps", handle_fps, "Display FPS.");
+    register_command("stat", handle_stat, "Display or reset statistics.");
     register_command("hid", handle_hid, "Set HID mode.");
     register_command("tof", handle_tof, "Set ToF config.");
     register_command("filter", handle_filter, "Set pre-filter config.");
diff --git a/firmware/src/slider.c b/firmware/src/slider.c
index d2ce142..ba55e29 100644
--- a/firmware/src/slider.c
+++ b/firmware/src/slider.c
@@ -22,11 +22,9 @@
 
 #define MPR121_ADDR 0x5A
 
-static uint16_t baseline[36];
-static int16_t error[36];
 static uint16_t readout[36];
-static bool touched[36];
 static uint16_t touch[3];
+static unsigned touch_count[36];
 
 void slider_init()
 {
@@ -44,9 +42,21 @@ void slider_init()
 
 void slider_update()
 {
+    static uint16_t last_touched[3];
+
     touch[0] = mpr121_touched(MPR121_ADDR);
     touch[1] = mpr121_touched(MPR121_ADDR + 1);
     touch[2] = mpr121_touched(MPR121_ADDR + 2);
+
+    for (int m = 0; m < 3; m++) {
+        uint16_t just_touched = touch[m] & ~last_touched[m];
+        last_touched[m] = touch[m];
+        for (int i = 0; i < 12; i++) {
+            if (just_touched & (1 << i)) {
+                touch_count[m * 12 + i]++;
+            }
+        }
+    }
 }
 
 const uint16_t *slider_raw()
@@ -65,6 +75,19 @@ bool slider_touched(unsigned key)
     return touch[key / 12] & (1 << (key % 12));
 }
 
+unsigned slider_count(unsigned key)
+{
+    if (key >= 32) {
+        return 0;
+    }
+    return touch_count[key];
+}
+
+void slider_reset_stat()
+{
+    memset(touch_count, 0, sizeof(touch_count));
+}
+
 void slider_update_config()
 {
     for (int m = 0; m < 3; m++) {
diff --git a/firmware/src/slider.h b/firmware/src/slider.h
index 75518dc..abce09b 100644
--- a/firmware/src/slider.h
+++ b/firmware/src/slider.h
@@ -14,5 +14,8 @@ void slider_update();
 bool slider_touched(unsigned key);
 const uint16_t *slider_raw();
 void slider_update_config();
+unsigned slider_count(unsigned key);
+void slider_reset_stat();
+
 
 #endif