diff --git a/pyrelacs/dataio/buffer.py b/pyrelacs/dataio/buffer.py
new file mode 100644
index 0000000..157105e
--- /dev/null
+++ b/pyrelacs/dataio/buffer.py
@@ -0,0 +1,15 @@
+from collections import deque
+
+from pyrelacs.util.logging import config_logging
+
+log = config_logging()
+
+
+class DataBuffer:
+    def __init__(self, channels, samples):
+        self.channels = channels
+        self.samples = samples
+
+    def create_buffer(self):
+        max_len_buffer = self.channels * self.samples
+        self.buffer = deque(maxlen=max_len_buffer)