feat(hx711): add hx711 load cell amp

* Adds HX711 Issue wokwi#101

* Changes from PR comments

* Fixes more `Hx711Element` case to `HX711Element`

* Adds Load sensors and Gauge Pressure sensors to board HX711 board

* Updates HX711 so it resizes when different sensors are active

* HX711 Element, removes unused code and makes width and height not user selectable.

* HX711 Element changes text to not be selectable.

* HX711 Element, Removes more unused code

* HX711 Element, changed default type to 50kg

* HX711 Element changes width/height to number

* HX711 Element, extracts sensor type to function with default.

Co-authored-by: Chris Wilson <>

Author: yepher

src/hx711-element.stories.ts

@@ -0,0 +1,19 @@
+import { html } from 'lit';
+import './hx711-element';
+
+export default {
+  title: 'HX711',
+  component: 'wokwi-hx711',
+};
+
+const Template = ({ width, height, type = '50kg' }) =>
+  html`<wokwi-hx711 .type=${type} .width=${width} .height=${height}></wokwi-hx711>`;
+
+export const loadCell50kg = Template.bind({});
+loadCell50kg.args = { type: '50kg', width: 580, height: 430 };
+
+export const loadCell5kg = Template.bind({});
+loadCell5kg.args = { type: '5kg', width: 507, height: 269 };
+
+export const gaugePressure = Template.bind({});
+gaugePressure.args = { type: 'gauge', width: 509, height: 200 };