diff --git a/addons/board/static/src/js/dashboard.js b/addons/board/static/src/js/dashboard.js
index 855dc03d..5fce73ae 100644
--- a/addons/board/static/src/js/dashboard.js
+++ b/addons/board/static/src/js/dashboard.js
@@ -131,6 +131,9 @@ FormRenderer.include({
         'click .oe_dashboard_link_change_layout': '_onChangeLayout',
         'click .oe_dashboard_column .oe_close': '_onCloseAction',
     }),
+    custom_events: _.extend({}, FormRenderer.prototype.custom_events, {
+        switch_view: '_onSwitchView',
+    }),
 
     /**
      * @override
@@ -140,6 +143,7 @@ FormRenderer.include({
         this.noContentHelp = params.noContentHelp;
         this.actionsDescr = {};
         this._boardSubcontrollers = []; // for board: controllers of subviews
+        this._boardFormViewIDs = {}; // for board: mapping subview controller to form view id
     },
     /**
      * Call `on_attach_callback` for each subview
@@ -266,6 +270,11 @@ FormRenderer.include({
                         hasSelectors: false,
                     });
                     return view.getController(self).then(function (controller) {
+                        self._boardFormViewIDs[controller.handle] = _.first(
+                            _.find(action.views, function (descr) {
+                                return descr[1] === 'form';
+                            })
+                        );
                         self._boardSubcontrollers.push(controller);
                         return controller.appendTo(params.$node);
                     });
@@ -384,6 +393,16 @@ FormRenderer.include({
         $action.find('.oe_content').toggle();
         this.trigger_up('save_dashboard');
     },
+    /**
+     * Let FormController know which form view it should display based on the
+     * window action of the sub controller that is switching view
+     *
+     * @private
+     * @param {OdooEvent} event
+     */
+    _onSwitchView: function (event) {
+        event.data.formViewID = this._boardFormViewIDs[event.target.handle];
+    },
 });
 
 });
diff --git a/addons/board/static/tests/dashboard_tests.js b/addons/board/static/tests/dashboard_tests.js
index 5b9e05cc..b6910c7c 100644
--- a/addons/board/static/tests/dashboard_tests.js
+++ b/addons/board/static/tests/dashboard_tests.js
@@ -272,6 +272,51 @@ QUnit.test('can open a record', function (assert) {
     form.destroy();
 });
 
+QUnit.test('can open record using action form view', function (assert) {
+    assert.expect(1);
+
+    var form = createView({
+        View: FormView,
+        model: 'board',
+        data: this.data,
+        arch: '<form string="My Dashboard">' +
+                '<board style="2-1">' +
+                    '<column>' +
+                        '<action context="{}" view_mode="list" string="ABC" name="51" domain="[]"></action>' +
+                    '</column>' +
+                '</board>' +
+            '</form>',
+        mockRPC: function (route) {
+            if (route === '/web/action/load') {
+                return $.when({
+                    res_model: 'partner',
+                    views: [[4, 'list'], [5, 'form']],
+                });
+            }
+            return this._super.apply(this, arguments);
+        },
+        archs: {
+            'partner,4,list':
+                '<tree string="Partner"><field name="foo"/></tree>',
+            'partner,5,form':
+                '<form string="Partner"><field name="display_name"/></form>',
+        },
+        intercepts: {
+            do_action: function (event) {
+                assert.deepEqual(event.data.action, {
+                    res_id: 1,
+                    res_model: 'partner',
+                    type: 'ir.actions.act_window',
+                    views: [[5, 'form']],
+                }, "should do a do_action with correct parameters");
+            },
+        },
+    });
+
+    form.$('tr.o_data_row td:contains(yop)').click();
+    form.destroy();
+});
+
 QUnit.test('can drag and drop a view', function (assert) {
     assert.expect(4);
 
diff --git a/addons/hw_proxy/controllers/main.py b/addons/hw_proxy/controllers/main.py
index 7c7020e1..64e7b009 100644
--- a/addons/hw_proxy/controllers/main.py
+++ b/addons/hw_proxy/controllers/main.py
@@ -21,6 +21,8 @@ BANNED_DEVICES = {
     "0424:9514",    # Standard Microsystem Corp. Builtin Ethernet module
     "1d6b:0002",    # Linux Foundation 2.0 root hub
     "0424:ec00",    # Standard Microsystem Corp. Other Builtin Ethernet module
+    "0424:2514",    # Standard Microsystems Corp. USB 2.0 Hub (rpi3b+)
+    "0424:7800",    # Standard Microsystems Corp. (rpi3b+)
 }
 
 
@@ -100,15 +102,16 @@ class Proxy(http.Controller):
         """
         if debug is None:
             resp += """(<a href="/hw_proxy/status?debug">debug version</a>)"""
-        devices = subprocess.check_output("lsusb").split('\n')
+        devices = subprocess.check_output("lsusb").decode('utf-8').split('\n')
         count   = 0
         resp += "<div class='devices'>\n"
         for device in devices:
             device_name = device[device.find('ID')+2:]
-            device_id   = device_name.split()[0]
-            if not (device_id in BANNED_DEVICES):
-                resp += "<div class='device' data-device='"+device+"'>"+device_name+"</div>\n"
-                count += 1
+            if device_name: # to avoid last empty line
+                device_id   = device_name.split()[0]
+                if not (device_id in BANNED_DEVICES):
+                    resp += "<div class='device' data-device='"+device+"'>"+device_name+"</div>\n"
+                    count += 1
 
         if count == 0:
             resp += "<div class='device'>No USB Device Found</div>"
@@ -124,7 +127,7 @@ class Proxy(http.Controller):
                 %s
                 </pre>
 
-            """ % subprocess.check_output('lsusb -v', shell=True)
+            """ % subprocess.check_output('lsusb -v', shell=True).decode('utf-8')
 
         return request.make_response(resp,{
             'Cache-Control': 'no-cache',
diff --git a/addons/hw_scale/controllers/main.py b/addons/hw_scale/controllers/main.py
index 6d1a4e7d..8fdb6c6e 100644
--- a/addons/hw_scale/controllers/main.py
+++ b/addons/hw_scale/controllers/main.py
@@ -28,7 +28,7 @@ except ImportError:
 def _toledo8217StatusParse(status):
     """ Parse a scale's status, returning a `(weight, weight_info)` pair. """
     weight, weight_info = None, None
-    stat = ord(status[status.index('?') + 1])
+    stat = status[status.index(b'?') + 1]
     if stat == 0:
         weight_info = 'ok'
     else:
@@ -68,17 +68,17 @@ Toledo8217Protocol = ScaleProtocol(
     parity=serial.PARITY_EVEN,
     timeout=1,
     writeTimeout=1,
-    weightRegexp="\x02\\s*([0-9.]+)N?\\r",
-    statusRegexp="\x02\\s*(\\?.)\\r",
+    weightRegexp=b"\x02\\s*([0-9.]+)N?\\r",
+    statusRegexp=b"\x02\\s*(\\?.)\\r",
     statusParse=_toledo8217StatusParse,
     commandDelay=0.2,
     weightDelay=0.5,
     newWeightDelay=0.2,
-    commandTerminator='',
-    weightCommand='W',
-    zeroCommand='Z',
-    tareCommand='T',
-    clearCommand='C',
+    commandTerminator=b'',
+    weightCommand=b'W',
+    zeroCommand=b'Z',
+    tareCommand=b'T',
+    clearCommand=b'C',
     emptyAnswerValid=False,
     autoResetWeight=False,
 )
@@ -98,15 +98,15 @@ ADAMEquipmentProtocol = ScaleProtocol(
     weightRegexp=r"\s*([0-9.]+)kg", # LABEL format 3 + KG in the scale settings, but Label 1/2 should work
     statusRegexp=None,
     statusParse=None,
-    commandTerminator="\r\n",
+    commandTerminator=b"\r\n",
     commandDelay=0.2,
     weightDelay=0.5,
     newWeightDelay=5,  # AZExtra beeps every time you ask for a weight that was previously returned!
                        # Adding an extra delay gives the operator a chance to remove the products
                        # before the scale starts beeping. Could not find a way to disable the beeps.
-    weightCommand='P',
-    zeroCommand='Z',
-    tareCommand='T',
+    weightCommand=b'P',
+    zeroCommand=b'Z',
+    tareCommand=b'T',
     clearCommand=None, # No clear command -> Tare again
     emptyAnswerValid=True, # AZExtra does not answer unless a new non-zero weight has been detected
     autoResetWeight=True,  # AZExtra will not return 0 after removing products
@@ -165,8 +165,8 @@ class Scale(Thread):
             if not char:
                 break
             else:
-                answer.append(char)
-        return ''.join(answer)
+                answer.append(bytes(char))
+        return b''.join(answer)
 
     def _parse_weight_answer(self, protocol, answer):
         """ Parse a scale's answer to a weighing request, returning