diff --git a/conf/rpms_and_flags.lua b/conf/rpms_and_flags.lua
index eb4474f..936582d 100644
--- a/conf/rpms_and_flags.lua
+++ b/conf/rpms_and_flags.lua
@@ -10,8 +10,6 @@
  --   SIMAPI_FLAG_BLACK_ORANGE     = 8,
  --   SIMAPI_FLAG_ORANGE           = 9
 
-led_clear_all()
-
 if simdata.rpm > 0 and simdata.maxrpm > 0 then
     rpmmargin = .05*simdata.maxrpm;
     rpminterval = (simdata.maxrpm-rpmmargin) / 6;
@@ -30,7 +28,16 @@ if simdata.rpm > 0 and simdata.maxrpm > 0 then
     if litleds >= 6 then
         color = RED
     end
-    set_led_range_to_color(1, litleds, color)
+    if litleds >=  6 then
+
+        if simdata.mtick % 2 == 0 then
+            set_led_range_to_color(1, litleds, color)
+        else
+            led_clear_all()
+        end
+    else
+        set_led_range_to_color(1, litleds, color)
+    end
 end
 
 if simdata.playerflag == 0 then
diff --git a/conf/rpms_and_radar.lua b/conf/rpms_and_radar.lua
new file mode 100644
index 0000000..4337c51
--- /dev/null
+++ b/conf/rpms_and_radar.lua
@@ -0,0 +1,91 @@
+-- configuration
+-- set these accordingly
+right_leds_start = 7
+right_num_leds = 42
+left_leds_start = 49
+left_num_leds = 42
+--
+
+max_radius = 10 -- radius is hardcoded in simapi
+proxcars = simdata.proxcars -- also hard coded in simapi
+
+rightsideset = false
+leftsideset = false
+
+-- right side
+litleds = 0
+i = 1
+while(i <= proxcars and rightsideset == false) do
+    if simdata.pd[i].theta > 40 and simdata.pd[i].theta < 130 then
+        dist = math.abs(90 - simdata.pd[i].theta)
+        perct = (90 - dist)/90
+        litleds = math.ceil(perct * right_num_leds)
+
+        color_perct = simdata.pd[i].radius/10
+        yellow = math.floor(color_perct * 255)
+        local rgb = (255 << 16) | (yellow << 8) | (0 << 0)
+        if simdata.pd[1].theta >= 90 then
+            -- car is behind
+            set_led_range_to_rgb_color(right_leds_start, right_leds_start + litleds, rgb)
+        else
+            set_led_range_to_rgb_color(right_leds_start + (right_num_leds - litleds), right_leds_start + right_num_leds, rgb)
+        end
+        rightsideset = true
+    end
+    i = i + 1
+end
+
+-- left side
+litleds = 0
+i = 1
+while(i <= proxcars and leftsideset == false) do
+    if simdata.pd[i].theta > 230 and simdata.pd[i].theta < 320 then
+        dist = math.abs(270 - simdata.pd[1].theta)
+        perct = (90 - dist)/90
+        litleds = math.ceil(perct * left_num_leds)
+
+        color_perct = simdata.pd[i].radius/10
+        yellow = math.floor(color_perct * 255)
+        local rgb = (255 << 16) | (yellow << 8) | (0 << 0)
+        if simdata.pd[1].theta <= 270 then
+            -- car is behind
+            set_led_range_to_rgb_color(left_leds_start, left_leds_start + litleds, rgb)
+        else
+            set_led_range_to_rgb_color(left_leds_start + (left_num_leds - litleds), left_leds_start + left_num_leds, rgb)
+        end
+        leftsideset = true
+    end
+    i = i + 1
+end
+
+
+-- rpm stuff
+if simdata.rpm > 0 and simdata.maxrpm > 0 then
+    rpmmargin = .05*simdata.maxrpm;
+    rpminterval = (simdata.maxrpm-rpmmargin) / 6;
+
+    litleds = 0
+    for i = 1,6 do
+        if simdata.rpm >= (rpminterval * i) then
+            litleds = i;
+        end
+    end
+
+    color = GREEN
+    if litleds > 3 and litleds < 6 then
+        color = YELLOW
+    end
+    if litleds >= 6 then
+        color = RED
+    end
+    if litleds >=  6 then
+
+        if simdata.mtick % 2 == 0 then
+            set_led_range_to_color(1, litleds, color)
+        else
+            led_clear_all()
+        end
+    else
+        set_led_range_to_color(1, litleds, color)
+    end
+end
diff --git a/src/monocoque/devices/serial/arduinoledlua.c b/src/monocoque/devices/serial/arduinoledlua.c
index 09f5199..76b7b97 100644
--- a/src/monocoque/devices/serial/arduinoledlua.c
+++ b/src/monocoque/devices/serial/arduinoledlua.c
@@ -3,14 +3,29 @@
 #include <stdlib.h>
 #include <string.h>
 #include <math.h>
+#include <sys/time.h>
 
 #include "arduinoledlua.h"
 #include "arduino.h"
 
 #include "../../slog/slog.h"
 
+long long ledTimeInMilliseconds(void) {
+    struct timeval tv;
+
+    gettimeofday(&tv,NULL);
+    return (((long long)tv.tv_sec)*1000)+(tv.tv_usec/1000);
+}
+
 
 int simdata_to_lua(lua_State *L, SimData* simdata) {
+
+    // make the time up now if we are running in test mode
+    if(simdata->mtick == 0)
+    {
+        simdata->mtick = ledTimeInMilliseconds();
+    }
+
     lua_newtable(L);
 
     lua_pushinteger(L, simdata->playerflag);
@@ -19,6 +34,9 @@ int simdata_to_lua(lua_State *L, SimData* simdata) {
     lua_pushinteger(L, simdata->rpms);
     lua_setfield(L, -2, "rpm");
 
+    lua_pushinteger(L, simdata->mtick);
+    lua_setfield(L, -2, "mtick");
+
     lua_pushinteger(L, simdata->maxrpm);
     lua_setfield(L, -2, "maxrpm");
 
diff --git a/src/monocoque/gameloop/gameloop.c b/src/monocoque/gameloop/gameloop.c
index be6b786..8c8a4bb 100644
--- a/src/monocoque/gameloop/gameloop.c
+++ b/src/monocoque/gameloop/gameloop.c
@@ -878,6 +878,16 @@ int tester(SimDevice* devices, int numdevices)
             devices[x].update(&devices[x], simdata);
         }
     }
+    for(int x = 0; x < 100; x++)
+    {
+        for (int x = 0; x < numdevices; x++)
+        {
+            if (devices[x].initialized == true)
+            {
+                devices[x].update(&devices[x], simdata);
+            }
+        }
+    }
     sleep(3);
 
     simdata->velocity = 0;
diff --git a/src/monocoque/simulatorapi/simapi b/src/monocoque/simulatorapi/simapi
index 735c7d3..64f1ed8 160000
--- a/src/monocoque/simulatorapi/simapi
+++ b/src/monocoque/simulatorapi/simapi
@@ -1 +1 @@
-Subproject commit 735c7d3b889810eabb42c728ae961f7c73b1c947
+Subproject commit 64f1ed8b2672e31556e63eb63ae62f717237b6a6