diff --git a/ros_ws/src/rad_control/CMakeLists.txt b/ros_ws/src/rad_control/CMakeLists.txt
index e0f9938c..2cc2ade6 100644
--- a/ros_ws/src/rad_control/CMakeLists.txt
+++ b/ros_ws/src/rad_control/CMakeLists.txt
@@ -18,6 +18,7 @@ set(Targets
     rad_drive_controller
     rad_status
     rad_tool
+    rad_science_controller
     rad_calibration_init
     rover_steer_pos
     rover_arm_steer_pos
diff --git a/ros_ws/src/rad_control/src/rad_science_controller.cpp b/ros_ws/src/rad_control/src/rad_science_controller.cpp
new file mode 100644
index 00000000..58a3058a
--- /dev/null
+++ b/ros_ws/src/rad_control/src/rad_science_controller.cpp
@@ -0,0 +1,114 @@
+#include <thread>
+#include <chrono>
+#include <string>
+#include "rclcpp/rclcpp.hpp"
+#include "custom_interfaces/msg/ca_nraw.hpp"
+#include "rad_control/rad.hpp"
+
+using namespace std::chrono_literals;
+using namespace custom_interfaces::msg;
+using std::placeholders::_1;
+
+std::shared_ptr<rclcpp::Node> can_config;
+std::shared_ptr<rclcpp::Publisher<CANraw>> can_pub;
+std::shared_ptr<rclcpp::Subscription<CANraw>> can_sub;
+uint8_t rad_id, command_id;
+bool id_assigned = false;
+
+
+#define INPUT_CHECK(c) try {c} catch(...){RCLCPP_ERROR(can_config->get_logger(), "INVALID INPUT"); continue;}
+
+int main(int argc, char ** argv)
+{
+    (void) argc;
+    (void) argv;
+
+    rclcpp::init(argc, argv);
+
+    can_config = std::make_shared<rclcpp::Node>("rad_science_controller_node");
+    can_pub = can_config->create_publisher<CANraw>("/can/can_out", 10);
+
+    CANraw can_out_msg;
+    RAD rad{&can_out_msg};
+    rclcpp::WallRate loop_rate(500ms);
+
+    std::thread spin_thread([](){rclcpp::spin(can_config);});
+
+    std::string in;
+
+    
+
+    
+
+    while(true)
+    {
+
+        if (!id_assigned)
+        {
+            std::cout << "Enter Science Arm RAD ID (prefix h for hex #) => ";
+            std::getline (std::cin,in);
+            // Removing whitespace
+            in.erase(std::remove_if(in.begin(), in.end(), isspace), in.end());
+
+            int base = 10;
+
+            INPUT_CHECK(
+            if (in[0] == 'h')
+            {
+            base = 16;
+            in = in.substr(1);
+            }
+            rad_id = std::stoi(in, 0, base);
+            rad.set_can_id(rad_id);
+            )
+            
+            id_assigned = true;
+        }
+        std::cout << "Enter number of steps, prefaced by u (up) or d (down) (e.g. u600). q to quit=> ";
+        std::getline (std::cin,in);
+
+        in.erase(std::remove_if(in.begin(), in.end(), isspace), in.end());
+        if (in == "q" || std::cin.fail())
+            break;    
+
+        bool up = false;
+        int steps = 0;
+
+        INPUT_CHECK(
+        if (in[0] == 'u')
+        {
+            up = true;
+            in = in.substr(1);
+        }
+        else if (in[0] == 'd')
+        {
+            up = false;
+            in = in.substr(1);
+        }
+        else
+        {
+            std::cout << "Invalid input. Exiting";
+            break;
+        }
+
+        steps = std::stoi(in, 0, 10);
+        
+        )
+
+        if (!up)  //ADJUST THIS - CORRELATE EITHER UP OR DOWN TO NEGATIVE STEPS
+        {
+            steps = -1 * steps;
+        }
+
+        rad.pulse_stepper((float)steps);
+
+        can_pub->publish(can_out_msg);
+        RCLCPP_INFO(can_config->get_logger(), "SENT CAN FRAME 0x%x", can_out_msg.address);
+
+
+    }
+
+    spin_thread.~thread();
+    rclcpp::shutdown();
+
+}
\ No newline at end of file