anchor.diff:    {lblx_receive_values,  "receive_values",  "Receive values from other nodes"},
     {lblx_rotary_encoder,  "rotary_encoder",  "Rotary encoder with optional switch"},
     {lblx_rpi_led,         "rpi_led",         "Control Raspi on-board LED"},
  +  {lblx_sample_hold,     "sample_hold",     "Read input values until hold input is true"},
     {lblx_select_bin,      "select_bin",      "Binary Input Selects the True or False Input Value"},
     {lblx_select_n,        "select_n",        "Integer Input Selects 1 of N Inputs"},
     {lblx_select_pri,      "select_pri",      "Select Highest Priority Active Input Value"},
     {lblx_select_tri,      "select_tri",      "Trinary Select True, False, or Null Input Value"},
     {lblx_send_values,     "send_values",     "Send Values to other nodes"},
     {lblx_template,        "template",        "Short description of block function"},
  -  {lblx_timer_min_on,    "timer_min_on",    "Output remain on for minimum specified time"}
  +  {lblx_timer_min_on,    "timer_min_on",    "Output remain on for minimum specified time"},
  +  {lblx_timestamp,       "timestamp",       "Output value is last time block was executed"}
   ].
   
   
  
positive.code:   {gpio_pin_phase_A,  "gpio_pin_phase_A", "GPIO Pin number of encoder Phase A output"}, 
    {gpio_pin_phase_B,  "gpio_pin_phase_B", "GPIO Pin number of encoder Phase B output"}, 
    {gpio_pin_switch,   "gpio_pin_switch", "GPIO Pin number of encoder switch"}, 
    {high_limit,        "high_limit", "High limit value"}, 
    {humid,             "humid", "Relative humidity %"},
    {humid_mode,        "humid_mode", "Humidity Mode"},
    {humid_offset,      "humid_offset", "Humidity Offset"},
  
negative.code:   {not_active_str,    "not_active_str", "String to display when input is null"}, 
    {null_input,        "null_input", "Output value for null select input value"}, 
    {number_base,       "number_base", "Number base to display integer"}, 
    {num_of_digits,     "num_of_digits", "Quantity of digits in display"}, 
    {num_of_inputs,     "num_of_inputs", "Quantity of Input attributes"}, 
    {num_of_nodes,      "num_of_nodes", "Quantity of nodes to send values"}, 
    {num_of_pubs,       "num_of_pubs", "MQTT quantity of topics to publish"},
    {num_of_subs,       "num_of_subs", "MQTT quantity of topics to subscribe to"},
    {num_of_values,     "num_of_values", "Quantity of values"},
    {outputs,           "outputs", "Array of output values"},
    {password,          "password", "MQTT Password"}, 
    {phase_int_edge,    "phase_int_edge", "Interrupt edge to read for phase input"}, 
    {port,              "port",      "MQTT server port number"},
  