diff --git a/redpitaya/server/tests/test_dac_offsets.py b/redpitaya/server/tests/test_dac_offsets.py
new file mode 100755
index 0000000..837fd52
--- /dev/null
+++ b/redpitaya/server/tests/test_dac_offsets.py
@@ -0,0 +1,30 @@
+#!/usr/bin/env python
+import ctypes, argparse
+import liboscimp_fpga
+
+def parse():
+    parser = argparse.ArgumentParser(description = 'Set offsets to DAC1 and DAC2')
+    parser.add_argument('-of1',
+                        action='store',
+                        dest='of1',
+                        default=0,
+                        help='DAC1 offset (bits)')
+    parser.add_argument('-of2',
+                        action='store',
+                        dest='of2',
+                        default=0,
+                        help='DAC2 offset (bits)')
+    args = parser.parse_args()
+    return args
+
+def main():
+    args = parse()
+    of1 = int(args.of1)
+    of2 = int(args.of2)
+    liboscimp_fpga.add_const_set_offset("/dev/add_const_0", of1)
+    liboscimp_fpga.add_const_set_offset("/dev/add_const_1", of2)
+    print('offset DAC1 : %i'%of1)
+    print('offset DAC2 : %i'%of2)
+
+if __name__ == "__main__":
+    main()