diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ded8e80..0217c29 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,5 +43,5 @@ jobs:
     - name: Test Installed Package
       working-directory: ${{github.workspace}}/examples
       run: |
-        grcc Heron_Receive.grc
-        xvfb-run --auto-servernum timeout --preserve-status 10s python3 Heron_Receive.py
+        grcc frame_deframe.grc
+        { sleep 3; echo \n; } | python frame_deframe.py
diff --git a/examples/Heron_Receive.grc b/examples/Heron_Receive.grc
deleted file mode 100644
index 257deda..0000000
--- a/examples/Heron_Receive.grc
+++ /dev/null
@@ -1,240 +0,0 @@
-options:
-  parameters:
-    author: swarnava
-    catch_exceptions: 'True'
-    category: '[GRC Hier Blocks]'
-    cmake_opt: ''
-    comment: ''
-    copyright: ''
-    description: ''
-    gen_cmake: 'On'
-    gen_linking: dynamic
-    generate_options: qt_gui
-    hier_block_src_path: '.:'
-    id: Heron_Receive
-    max_nouts: '0'
-    output_language: python
-    placement: (0,0)
-    qt_qss_theme: ''
-    realtime_scheduling: ''
-    run: 'True'
-    run_command: '{python} -u {filename}'
-    run_options: prompt
-    sizing_mode: fixed
-    thread_safe_setters: ''
-    title: Not titled yet
-    window_size: (1000,1000)
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [8, 8]
-    rotation: 0
-    state: enabled
-
-blocks:
-- name: samp_rate
-  id: variable
-  parameters:
-    comment: ''
-    value: 1e6
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [184, 12]
-    rotation: 0
-    state: enabled
-- name: UTAT_HERON_heron_rx_bb_0
-  id: UTAT_HERON_heron_rx_bb
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    maxoutbuf: '0'
-    minoutbuf: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [768, 288.0]
-    rotation: 0
-    state: true
-- name: blocks_throttle_0
-  id: blocks_throttle
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    ignoretag: 'True'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    samples_per_second: samp_rate
-    type: byte
-    vlen: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [416, 280.0]
-    rotation: 0
-    state: true
-- name: blocks_uchar_to_float_0
-  id: blocks_uchar_to_float
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    maxoutbuf: '0'
-    minoutbuf: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [936, 288.0]
-    rotation: 0
-    state: true
-- name: blocks_unpack_k_bits_bb_0
-  id: blocks_unpack_k_bits_bb
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    k: '8'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [600, 280.0]
-    rotation: 0
-    state: true
-- name: blocks_vector_source_x_0
-  id: blocks_vector_source_x
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    repeat: 'True'
-    tags: '[]'
-    type: byte
-    vector: (0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0x7E,0x0A,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0A,0x1B,0x79)
-    vlen: '1'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [176, 260.0]
-    rotation: 0
-    state: true
-- name: qtgui_time_sink_x_0
-  id: qtgui_time_sink_x
-  parameters:
-    affinity: ''
-    alias: ''
-    alpha1: '1.0'
-    alpha10: '1.0'
-    alpha2: '1.0'
-    alpha3: '1.0'
-    alpha4: '1.0'
-    alpha5: '1.0'
-    alpha6: '1.0'
-    alpha7: '1.0'
-    alpha8: '1.0'
-    alpha9: '1.0'
-    autoscale: 'False'
-    axislabels: 'True'
-    color1: blue
-    color10: dark blue
-    color2: red
-    color3: green
-    color4: black
-    color5: cyan
-    color6: magenta
-    color7: yellow
-    color8: dark red
-    color9: dark green
-    comment: ''
-    ctrlpanel: 'True'
-    entags: 'True'
-    grid: 'False'
-    gui_hint: ''
-    label1: Signal 1
-    label10: Signal 10
-    label2: Signal 2
-    label3: Signal 3
-    label4: Signal 4
-    label5: Signal 5
-    label6: Signal 6
-    label7: Signal 7
-    label8: Signal 8
-    label9: Signal 9
-    legend: 'True'
-    marker1: '-1'
-    marker10: '-1'
-    marker2: '-1'
-    marker3: '-1'
-    marker4: '-1'
-    marker5: '-1'
-    marker6: '-1'
-    marker7: '-1'
-    marker8: '-1'
-    marker9: '-1'
-    name: '""'
-    nconnections: '1'
-    size: '1024'
-    srate: samp_rate
-    stemplot: 'False'
-    style1: '1'
-    style10: '1'
-    style2: '1'
-    style3: '1'
-    style4: '1'
-    style5: '1'
-    style6: '1'
-    style7: '1'
-    style8: '1'
-    style9: '1'
-    tr_chan: '0'
-    tr_delay: '0'
-    tr_level: '0.0'
-    tr_mode: qtgui.TRIG_MODE_FREE
-    tr_slope: qtgui.TRIG_SLOPE_POS
-    tr_tag: '""'
-    type: float
-    update_time: '0.10'
-    width1: '1'
-    width10: '1'
-    width2: '1'
-    width3: '1'
-    width4: '1'
-    width5: '1'
-    width6: '1'
-    width7: '1'
-    width8: '1'
-    width9: '1'
-    ylabel: Amplitude
-    ymax: '14'
-    ymin: '0'
-    yunit: '""'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1104, 260.0]
-    rotation: 0
-    state: true
-
-connections:
-- [UTAT_HERON_heron_rx_bb_0, '0', blocks_uchar_to_float_0, '0']
-- [blocks_throttle_0, '0', blocks_unpack_k_bits_bb_0, '0']
-- [blocks_uchar_to_float_0, '0', qtgui_time_sink_x_0, '0']
-- [blocks_unpack_k_bits_bb_0, '0', UTAT_HERON_heron_rx_bb_0, '0']
-- [blocks_vector_source_x_0, '0', blocks_throttle_0, '0']
-
-metadata:
-  file_format: 1
-  grc_version: 3.10.5.0
diff --git a/examples/frame_deframe.grc b/examples/frame_deframe.grc
new file mode 100644
index 0000000..9b9a3b0
--- /dev/null
+++ b/examples/frame_deframe.grc
@@ -0,0 +1,217 @@
+options:
+  parameters:
+    author: Swarnava Ghosh
+    catch_exceptions: 'True'
+    category: '[GRC Hier Blocks]'
+    cmake_opt: ''
+    comment: ''
+    copyright: Swarnava Ghosh
+    description: ''
+    gen_cmake: 'On'
+    gen_linking: dynamic
+    generate_options: no_gui
+    hier_block_src_path: '.:'
+    id: frame_deframe
+    max_nouts: '0'
+    output_language: python
+    placement: (0,0)
+    qt_qss_theme: ''
+    realtime_scheduling: ''
+    run: 'True'
+    run_command: '{python} -u {filename}'
+    run_options: prompt
+    sizing_mode: fixed
+    thread_safe_setters: ''
+    title: Frame/Deframe
+    window_size: (1000,1000)
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [8, 8]
+    rotation: 0
+    state: enabled
+
+blocks:
+- name: samp_rate
+  id: variable
+  parameters:
+    comment: ''
+    value: '32000'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [160, 8.0]
+    rotation: 0
+    state: enabled
+- name: UTAT_HERON_esttc_deframer_0
+  id: UTAT_HERON_esttc_deframer
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    samp_rate: samp_rate
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1128, 232.0]
+    rotation: 0
+    state: enabled
+- name: UTAT_HERON_esttc_framer_0
+  id: UTAT_HERON_esttc_framer
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [336, 248.0]
+    rotation: 0
+    state: enabled
+- name: blocks_message_debug_0
+  id: blocks_message_debug
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    en_uvec: 'True'
+    log_level: info
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [1368, 248.0]
+    rotation: 0
+    state: enabled
+- name: blocks_message_strobe_0
+  id: blocks_message_strobe
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    msg: pmt.cons(pmt.PMT_NIL, pmt.init_u8vector(4, [1,2,3,4]))
+    period: '1000'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [72, 232.0]
+    rotation: 0
+    state: enabled
+- name: blocks_null_source_0
+  id: blocks_null_source
+  parameters:
+    affinity: ''
+    alias: ''
+    bus_structure_source: '[[0,],]'
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_outputs: '1'
+    type: complex
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [312, 120.0]
+    rotation: 0
+    state: enabled
+- name: blocks_packed_to_unpacked_xx_0
+  id: blocks_packed_to_unpacked_xx
+  parameters:
+    affinity: ''
+    alias: ''
+    bits_per_chunk: '1'
+    comment: ''
+    endianness: gr.GR_MSB_FIRST
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    num_ports: '1'
+    type: byte
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [768, 232.0]
+    rotation: 0
+    state: enabled
+- name: blocks_tag_gate_0
+  id: blocks_tag_gate
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    propagate_tags: 'False'
+    single_key: '""'
+    type: byte
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [952, 232.0]
+    rotation: 0
+    state: enabled
+- name: blocks_throttle_0
+  id: blocks_throttle
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    ignoretag: 'True'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    samples_per_second: samp_rate
+    type: complex
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [456, 112.0]
+    rotation: 0
+    state: enabled
+- name: pdu_pdu_to_tagged_stream_0
+  id: pdu_pdu_to_tagged_stream
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    tag: packet_len
+    type: byte
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [544, 240.0]
+    rotation: 0
+    state: enabled
+
+connections:
+- [UTAT_HERON_esttc_deframer_0, crc_fail, blocks_message_debug_0, log]
+- [UTAT_HERON_esttc_deframer_0, crc_ok, blocks_message_debug_0, log]
+- [UTAT_HERON_esttc_framer_0, pdu_out, pdu_pdu_to_tagged_stream_0, pdus]
+- [blocks_message_strobe_0, strobe, UTAT_HERON_esttc_framer_0, pdu_in]
+- [blocks_null_source_0, '0', blocks_throttle_0, '0']
+- [blocks_packed_to_unpacked_xx_0, '0', blocks_tag_gate_0, '0']
+- [blocks_tag_gate_0, '0', UTAT_HERON_esttc_deframer_0, '0']
+- [pdu_pdu_to_tagged_stream_0, '0', blocks_packed_to_unpacked_xx_0, '0']
+
+metadata:
+  file_format: 1
+  grc_version: 3.10.10.0