I copy this great card 
to my lovelace config. Everything OK but I need inf, min_battery… For this I add part in the script. Problem is how make min battery 8%. If I tray 8% all batteries less 80% make red.
/* plant-card - version: v0.2.0 */
class PlantCard extends HTMLElement {
constructor() {
super();
this.attachShadow({ mode: ‘open’ });
this.sensors = {
moisture: 'hass:water',
temperature: 'hass:thermometer',
intensity: 'hass:white-balance-sunny',
conductivity: 'hass:emoticon-poop',
battery: 'hass:battery'
};
}
_computeIcon(sensor, state) {
const icon = this.sensors[sensor];
if (sensor === ‘battery’) {
if (state < 10) {
return ${icon}-alert;
} else if (state < 95) {
return ${icon}-${Math.round((state / 10) - 0.01) * 10};
}
}
return icon;
}
_click(entity) {
this._fire(‘hass-more-info’, { entityId: entity });
}
_fire(type, detail) {
const event = new Event(type, {
bubbles: true,
cancelable: false,
composed: true
});
event.detail = detail || {};
this.shadowRoot.dispatchEvent(event);
return event;
}
//Home Assistant will set the hass property when the state of Home Assistant changes (frequent).
set hass(hass) {
const config = this.config;
var _maxMoisture = config.max_moisture;
var _minMoisture = config.min_moisture;
var _minConductivity = config.min_conductivity;
var _minTemperature = config.min_termperature;
var _minBattery = config.min_battery;
var _sensors = [];
for (var i=0; i < config.entities.length; i++) {
_sensors.push(config.entities[i].split(":")); // Split name away from sensor id
}
this.shadowRoot.getElementById('container').innerHTML = `
<div class="content">
<div id="sensors"></div>
</div>
`;
for (var i=0; i < _sensors.length; i++) {
var _name = _sensors[i][0];
var _sensor = _sensors[i][1];
var _state = hass.states[_sensor].state || "Invalid State";
var _uom = hass.states[_sensor].attributes.unit_of_measurement || "";
var _icon = this._computeIcon(_name, _state);
var _alertStyle = '';
var _alertIcon = '';
if (_name == 'moisture') {
if (_state > _maxMoisture) {
_alertStyle = ';color:red; font-weight: bold';
_alertIcon = '▲ '
} else if (_state < _minMoisture) {
_alertStyle = ';color:red; font-weight: bold';
_alertIcon = '▼ '
}
}
if (_name == 'conductivity') {
if (_state < _minConductivity) {
_alertStyle = ';color:red; font-weight: bold';
_alertIcon = '▼ ';
}
}
if (_name == 'termperature') {
if (_state < _minTemperature) {
_alertStyle = ';color:red; font-weight: bold';
_alertIcon = '▼ ';
}
}
if (_name == 'battery') {
if (_state < _minBattery) {
_alertStyle = ';color:red; font-weight: bold';
_alertIcon = '▼ ';
}
}
this.shadowRoot.getElementById('sensors').innerHTML += `
<div id="sensor${i}" class="sensor">
<div class="icon"><ha-icon icon="${_icon}"></ha-icon></div>
<div>${_name}</div>
<div style="float:right${_alertStyle}">${_alertIcon}${_state}${_uom}</div>
</div>
`
}
for (var i=0; i < _sensors.length; i++) {
this.shadowRoot.getElementById('sensor'+[i]).onclick = this._click.bind(this, _sensors[i][1]);
}
}
// Home Assistant will call setConfig(config) when the configuration changes (rare).
setConfig(config) {
if (!config.entities) {
throw new Error(‘Please define an entity’);
}
const root = this.shadowRoot;
if (root.lastChild) root.removeChild(root.lastChild);
this.config = config;
const card = document.createElement('ha-card');
const content = document.createElement('div');
const style = document.createElement('style');
style.textContent = `
ha-card {
position: relative;
padding: 0;
color: white;
text-shadow: 2px 2px black;
background-size: 100%;
background-image: url(/local/${config.image});
}
ha-card .header {
width: 100%;
color: black;
background:rgba(0, 0, 0, var(--dark-secondary-opacity));
}
.uom {
color: var(--secondary-text-color);
}
.icon {
color: var(--paper-item-icon-color);
margin-bottom: 8px;
}
.content {
justify-content: space-between;
padding: 4px 8px;
font-size: 16px;
background-color: rgba(0, 0, 0, 0.3);
}
.sensor {
cursor: pointer;
}
.sensor div {
text-align: center;
display: inline;
}
`;
content.id = "container";
card.header = config.title;
card.appendChild(content);
card.appendChild(style);
root.appendChild(card);
}
// The height of your card. Home Assistant uses this to automatically
// distribute all cards over the available columns.
getCardSize() {
return 2;
}
}
customElements.define(‘plant-card’, PlantCard);Preformatted text
edit: Solved. Value must by with out %.
