diff --git a/packages/project-editor/flow/components/actions/stream.tsx b/packages/project-editor/flow/components/actions/stream.tsx
index 7f41dec3..5d897918 100644
--- a/packages/project-editor/flow/components/actions/stream.tsx
+++ b/packages/project-editor/flow/components/actions/stream.tsx
@@ -41,13 +41,10 @@ registerActionComponents("Dashboard Specific", [
                     streamValue instanceof Readable ||
                     streamValue instanceof Duplex
                 ) {
-                    let accData = "";
-
                     context.startAsyncExecution();
 
                     streamValue.on("data", (data: Buffer) => {
-                        accData += data.toString();
-                        context.propagateValue("data", accData);
+                        context.propagateValue("data", data.toString());
                     });
 
                     let isDone = false;
diff --git a/packages/project-editor/flow/components/widgets/dashboard/terminal.tsx b/packages/project-editor/flow/components/widgets/dashboard/terminal.tsx
index 77aa6e07..80caf6bb 100644
--- a/packages/project-editor/flow/components/widgets/dashboard/terminal.tsx
+++ b/packages/project-editor/flow/components/widgets/dashboard/terminal.tsx
@@ -1,7 +1,7 @@
 import React from "react";
 import { Duplex, Readable } from "stream";
 
-import type { IDashboardComponentContext } from "eez-studio-types";
+import type { IDashboardComponentContext, ValueType } from "eez-studio-types";
 
 import {
     registerClass,
@@ -27,6 +27,7 @@ import { TERMINAL_WIDGET_ICON } from "project-editor/ui-components/icons";
 class ExecutionState {
     data: string = "";
     onData: ((value: string) => void) | undefined = undefined;
+    clear: (() => void) | undefined = undefined;
 }
 
 export class TerminalWidget extends Widget {
@@ -53,6 +54,18 @@ export class TerminalWidget extends Widget {
         execute: (context: IDashboardComponentContext) => {
             Widget.classInfo.execute!(context);
 
+            const clearTerminal = context.getInputValue("clear");
+            if (clearTerminal) {
+                context.clearInputValue("clear");
+
+                let executionState =
+                    context.getComponentExecutionState<ExecutionState>();
+                if (executionState && executionState.clear) {
+                    executionState.clear();
+                }
+                return;
+            }
+
             const data = context.evalProperty("data");
 
             if (typeof data === "string" && data.length > 0) {
@@ -87,6 +100,18 @@ export class TerminalWidget extends Widget {
         }
     });
 
+    getInputs() {
+        return [
+            {
+                name: "clear",
+                type: "any" as ValueType,
+                isSequenceInput: false,
+                isOptionalInput: true
+            },
+            ...super.getInputs()
+        ];
+    }
+
     getOutputs(): ComponentOutput[] {
         return [
             {
@@ -198,6 +223,9 @@ const TerminalElement = observer(
                     executionState.onData = data => {
                         this.terminal.write(data);
                     };
+                    executionState.clear = () => {
+                        this.terminal.clear();
+                    };
                     if (executionState.data) {
                         this.terminal.write(executionState.data);
                         executionState.data = "";