diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
new file mode 100644
index 00000000..e09a8120
--- /dev/null
+++ b/cubesatsim/cubesatsim.h
@@ -0,0 +1,155 @@
+//#include <fcntl.h>
+#include <stdlib.h>
+#include <stdio.h>
+//#include <unistd.h>
+#include <string.h>
+//#include "afsk/status.h"
+//#include "afsk/ax5043.h"
+//#include "afsk/ax25.h"
+//#include "ax5043/spi/ax5043spi.h"
+//#include <wiringPiI2C.h>
+//#include <wiringPi.h>
+//#include <wiringSerial.h>
+#include <time.h>
+#include <math.h>
+//#include "TelemEncoding.h"
+//#include <sys/socket.h>
+//#include <stdlib.h>
+//#include <netinet/in.h>
+#include <string.h>
+//#include <arpa/inet.h>
+//#include <errno.h>
+
+#define PORT 8080
+#define FREQUENCY_OFFSET 0
+#define TRUE 1
+#define FALSE 0
+
+#define A 1
+#define B 2
+#define C 3
+#define D 4
+#define PLUS_X 0
+#define PLUS_Y 1
+#define BAT 2
+#define BUS 3
+#define MINUS_X 4
+#define MINUS_Y 5
+#define PLUS_Z 6
+#define MINUS_Z 7
+#define TEMP 2
+#define PRES 3
+#define ALT 4
+#define HUMI 5
+#define GYRO_X 7
+#define GYRO_Y 8
+#define GYRO_Z 9
+#define ACCEL_X 10
+#define ACCEL_Y 11
+#define ACCEL_Z 12
+#define XS1 14
+#define XS2 15
+#define XS3 16
+
+#define RSSI 0
+#define IHU_TEMP 2
+#define SPIN 1
+
+#define OFF - 1
+#define ON 1
+
+uint32_t tx_freq_hz = 434900000 + FREQUENCY_OFFSET;
+uint8_t data[1024];
+uint32_t tx_channel = 0;
+
+//ax5043_conf_t hax5043;
+//ax25_conf_t hax25;
+
+int twosToInt(int val, int len);
+float toAprsFormat(float input);
+float rnd_float(double min, double max);
+void get_tlm();
+void get_tlm_fox();
+int encodeA(short int * b, int index, int val);
+int encodeB(short int * b, int index, int val);
+void config_x25();
+void trans_x25();
+int upper_digit(int number);
+int lower_digit(int number);
+void update_rs(unsigned char parity[32], unsigned char c);
+void write_little_endian(unsigned int word, int num_bytes, FILE *wav_file);
+static int init_rf();
+extern int Encode_8b10b[][256];
+
+int socket_open = 0;
+int sock = 0;
+int loop = -1, loop_count = 0;
+int firstTime = ON; // 0;
+long start;
+int testCount = 0;
+long time_start;
+char cmdbuffer[1000];
+FILE * file1;
+short int buffer[2336400]; // max size for 10 frames count of BPSK
+FILE *sopen(const char *program);
+
+#define S_RATE	(48000) // (44100)
+
+#define AFSK 1
+#define FSK 2
+#define BPSK 3
+#define SSTV 4
+#define CW 5
+
+int rpitxStatus = -1;
+
+float amplitude; // = ; // 20000; // 32767/(10%amp+5%amp+100%amp)
+float freq_Hz = 3000; // 1200
+short int sin_samples;
+short int sin_map[16];
+int STEMBoardFailure = 1;
+
+int smaller;
+int flip_ctr = 0;
+int phase = 1;
+int ctr = 0;
+int rd = 0;
+int nrd;
+void write_to_buffer(int i, int symbol, int val);
+void write_wave(int i, short int * buffer);
+int uart_fd;
+
+int reset_count = 0;
+float uptime_sec = 0;
+long int uptime;
+char call[5];
+char sim_yes[10];
+
+int bitRate, mode, bufLen, rsFrames, payloads, rsFrameLen, dataLen, headerLen, syncBits, syncWord, parityLen, samples, frameCnt, samplePeriod;
+float sleepTime;
+unsigned int sampleTime = 0;
+int frames_sent = 0;
+int cw_id = ON;
+int vB4 = FALSE, vB5 = FALSE, vB3 = FALSE, ax5043 = FALSE, transmit = FALSE, onLed, onLedOn, onLedOff, txLed, txLedOn, txLedOff, payload = OFF;
+float voltageThreshold = 3.5, batteryVoltage = 4.5, batteryCurrent = 0, currentThreshold = 100;
+float latitude = 39.027702f, longitude = -77.078064f;
+float lat_file, long_file;
+double cpuTemp;
+int frameTime;
+
+float axis[3], angle[3], volts_max[3], amps_max[3], batt, speed, period, tempS, temp_max, temp_min, eclipse;
+int i2c_bus0 = OFF, i2c_bus1 = OFF, i2c_bus3 = OFF, camera = OFF, sim_mode = FALSE, SafeMode = FALSE, rxAntennaDeployed = 0, txAntennaDeployed = 0;
+double eclipse_time;
+
+float voltage[9], current[9], sensor[17], other[3];
+char sensor_payload[500];
+
+int test_i2c_bus(int bus);
+
+//const char pythonCmd[] = "python3 -u /home/pi/CubeSatSim/python/voltcurrent.py ";
+const char pythonCmd[] = "python3 -u /home/pi/CubeSatSim/ina219.py ";
+char pythonStr[100], pythonConfigStr[100], busStr[10];
+int map[8] = {0, 1, 2, 3, 4, 5, 6, 7};
+char src_addr[5] = "";
+char dest_addr[5] = "APCSS";
+float voltage_min[9], current_min[9], voltage_max[9], current_max[9], sensor_max[17], sensor_min[17], other_max[3], other_min[3];