.. หัวเรื่อง: เครื่องมือสำรวจ WiFi มือถือ
.. slug: เครื่องมือสำรวจ wifi มือถือ
.. วันที่: 28-01-2026 12:00:00 UTC
.. tags: ระบบเครือข่าย, เครื่องคิดเลข, เครื่องมือ, wifi, rf, ไร้สาย, สำรวจ, มือถือ
.. หมวดหมู่:
.. ลิงค์:
.. คำอธิบาย: เครื่องมือสำรวจไซต์ WiFi ที่เหมาะกับอุปกรณ์พกพา - แตะตำแหน่งและเลือกแถบสัญญาณเพื่อสร้างแผนที่ความร้อนที่ครอบคลุม
.. ประเภท: ข้อความ
<meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" name="viewport"/>
<style>
/* Mobile WiFi Survey Tool Styles */
* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

.mobile-survey-container {
    position: relative;
    width: 100%;
    height: calc(100vh - 120px);
    min-height: 400px;
    background: #1a1a2e;
    overflow: hidden;
    touch-action: none;
}

/* Header */
.survey-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: #16213e;
    color: #fff;
    border-bottom: 1px solid #0f3460;
}

.survey-header h1 {
    font-size: 18px;
    margin: 0;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.header-btn {
    background: #0f3460;
    border: none;
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-btn:active {
    background: #1a4a7a;
}

/* Canvas Area */
.canvas-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

#surveyCanvas {
    display: block;
    background: #0f0f23;
}

/* Upload Overlay */
.upload-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(15, 15, 35, 0.95);
    color: #fff;
    z-index: 10;
}

.upload-overlay.hidden {
    display: none;
}

.upload-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.upload-text {
    font-size: 18px;
    margin-bottom: 10px;
}

.upload-hint {
    font-size: 14px;
    color: #888;
    margin-bottom: 20px;
}

.upload-btn {
    background: #4361ee;
    color: #fff;
    border: none;
    padding: 15px 30px;
    border-radius: 10px;
    font-size: 16px;
    cursor: pointer;
}

.upload-btn:active {
    background: #3651de;
}

/* Floating Controls */
.floating-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background: rgba(22, 33, 62, 0.95);
    padding: 10px 15px;
    border-radius: 25px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.floating-btn {
    background: #0f3460;
    border: none;
    color: #fff;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-btn:active {
    background: #1a4a7a;
}

.floating-btn.active {
    background: #4361ee;
}

.floating-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Status Bar */
.status-bar {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
}

.status-pill {
    background: rgba(22, 33, 62, 0.9);
    color: #fff;
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 12px;
    pointer-events: auto;
}

.status-pill.warning {
    background: rgba(255, 193, 7, 0.9);
    color: #000;
}

/* Signal Selector Modal */
.signal-modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100;
    align-items: flex-end;
    justify-content: center;
}

.signal-modal-overlay.active {
    display: flex;
}

.signal-modal {
    background: #16213e;
    width: 100%;
    max-width: 500px;
    border-radius: 20px 20px 0 0;
    padding: 20px;
    padding-bottom: max(20px, env(safe-area-inset-bottom));
    color: #fff;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

.signal-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.signal-modal-header h3 {
    margin: 0;
    font-size: 18px;
}

.modal-close-btn {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

/* WiFi Guide */
.wifi-guide {
    background: #0f3460;
    border-radius: 10px;
    padding: 12px;
    margin-bottom: 20px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.wifi-guide-icon {
    font-size: 32px;
}

.wifi-guide-text {
    flex: 1;
}

.wifi-guide-text strong {
    color: #4cc9f0;
}

/* Signal Buttons */
.signal-buttons {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 20px;
}

.signal-btn {
    flex: 1;
    aspect-ratio: 1;
    max-width: 70px;
    background: #0f3460;
    border: 3px solid transparent;
    border-radius: 12px;
    color: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    transition: all 0.2s;
}

.signal-btn:active {
    transform: scale(0.95);
}

.signal-btn.selected {
    border-color: #4361ee;
    background: #1a4a7a;
}

.signal-btn-icon {
    font-size: 24px;
}

.signal-btn-label {
    font-size: 11px;
    font-weight: 600;
}

.signal-btn[data-signal="3"] .signal-btn-icon { color: #4ade80; }
.signal-btn[data-signal="2"] .signal-btn-icon { color: #a3e635; }
.signal-btn[data-signal="1"] .signal-btn-icon { color: #facc15; }
.signal-btn[data-signal="0"] .signal-btn-icon { color: #fb923c; }
.signal-btn[data-signal="-1"] .signal-btn-icon { color: #f87171; }

/* Point Label Input */
.label-input-group {
    margin-bottom: 20px;
}

.label-input-group label {
    display: block;
    font-size: 13px;
    color: #888;
    margin-bottom: 8px;
}

.label-input {
    width: 100%;
    background: #0f3460;
    border: 1px solid #1a4a7a;
    border-radius: 10px;
    padding: 12px 15px;
    color: #fff;
    font-size: 16px;
}

.label-input:focus {
    outline: none;
    border-color: #4361ee;
}

.label-input::placeholder {
    color: #666;
}

/* Modal Actions */
.modal-actions {
    display: flex;
    gap: 10px;
}

.modal-btn {
    flex: 1;
    padding: 15px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.modal-btn.cancel {
    background: #0f3460;
    color: #fff;
}

.modal-btn.save {
    background: #4361ee;
    color: #fff;
}

.modal-btn.save:disabled {
    background: #333;
    color: #666;
    cursor: not-allowed;
}

/* Settings Panel */
.settings-panel {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.settings-panel.active {
    display: flex;
}

.settings-content {
    background: #16213e;
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    padding: 20px;
    color: #fff;
    max-height: 80vh;
    overflow-y: auto;
}

.settings-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #0f3460;
}

.settings-header h3 {
    margin: 0;
    font-size: 18px;
}

.settings-section {
    margin-bottom: 20px;
}

.settings-section-title {
    font-size: 14px;
    color: #888;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #0f3460;
}

.settings-row:last-child {
    border-bottom: none;
}

.settings-label {
    font-size: 14px;
}

.settings-value {
    font-size: 14px;
    color: #4cc9f0;
}

.settings-input {
    background: #0f3460;
    border: 1px solid #1a4a7a;
    border-radius: 8px;
    padding: 8px 12px;
    color: #fff;
    font-size: 14px;
    width: 100px;
    text-align: right;
}

.settings-select {
    background: #0f3460;
    border: 1px solid #1a4a7a;
    border-radius: 8px;
    padding: 8px 12px;
    color: #fff;
    font-size: 14px;
}

.settings-toggle {
    position: relative;
    width: 50px;
    height: 28px;
    background: #0f3460;
    border-radius: 14px;
    cursor: pointer;
    transition: background 0.3s;
}

.settings-toggle.active {
    background: #4361ee;
}

.settings-toggle::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.3s;
}

.settings-toggle.active::after {
    transform: translateX(22px);
}

.settings-btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    cursor: pointer;
    margin-bottom: 10px;
}

.settings-btn.primary {
    background: #4361ee;
    color: #fff;
}

.settings-btn.secondary {
    background: #0f3460;
    color: #fff;
}

.settings-btn.danger {
    background: #dc3545;
    color: #fff;
}

/* Points List Panel */
.points-panel {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 80vw;
    background: #16213e;
    z-index: 90;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.4);
    animation: slideIn 0.3s ease-out;
}

.points-panel.active {
    display: flex;
    flex-direction: column;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
    }
    to {
        transform: translateX(0);
    }
}

.points-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    border-bottom: 1px solid #0f3460;
    color: #fff;
}

.points-panel-header h3 {
    margin: 0;
    font-size: 16px;
}

.points-list {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.point-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #0f3460;
    border-radius: 8px;
    margin-bottom: 8px;
    color: #fff;
}

.point-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.point-info {
    flex: 1;
}

.point-label {
    font-size: 14px;
    font-weight: 500;
}

.point-signal {
    font-size: 12px;
    color: #888;
}

.point-delete {
    background: none;
    border: none;
    color: #f87171;
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
}

.points-empty {
    text-align: center;
    color: #666;
    padding: 30px;
    font-size: 14px;
}

/* Legend */
.legend {
    position: absolute;
    bottom: 80px;
    right: 10px;
    background: rgba(22, 33, 62, 0.95);
    padding: 10px;
    border-radius: 10px;
    font-size: 11px;
    color: #fff;
}

.legend.hidden {
    display: none;
}

.legend-title {
    font-weight: 600;
    margin-bottom: 6px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 3px;
}

.legend-color {
    width: 16px;
    height: 10px;
    border-radius: 2px;
}

/* Responsive adjustments */
@media (min-width: 768px) {
    .signal-modal {
        border-radius: 20px;
        margin-bottom: 20px;
    }

    .signal-btn {
        max-width: 80px;
    }
}

/* Hide on desktop suggestion */
@media (min-width: 1024px) {
    .mobile-survey-container::before {
        content: 'This tool is optimized for mobile devices. For desktop surveys, use the full WiFi Survey Tool.';
        position: absolute;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        background: rgba(67, 97, 238, 0.9);
        color: #fff;
        padding: 10px 20px;
        border-radius: 8px;
        font-size: 13px;
        z-index: 5;
        white-space: nowrap;
    }
}
</style>
<div class="mobile-survey-container" id="surveyContainer">
ส่วนหัว
<div class="survey-header">
<h1>แบบสำรวจ WiFi มือถือ</h1>
<div class="header-actions">
<button class="header-btn" id="pointsBtn" title="View Points">
<span id="pointsBadge">0</span>
</button>
<button class="header-btn" id="settingsBtn" title="Settings">
                ⚙
            </button>
</div>
</div>
พื้นที่ผ้าใบ
<div class="canvas-wrapper" id="canvasWrapper">
<canvas id="surveyCanvas"></canvas>
อัปโหลดภาพซ้อนทับ
<div class="upload-overlay" id="uploadOverlay">
<div class="upload-icon">🗺</div>
<div class="upload-text">อัปโหลดแผนผังชั้น</div>
<div class="upload-hint">รองรับ PNG, JPG</div>
<button class="upload-btn" id="uploadBtn">เลือกรูปภาพ</button>
<input accept="image/*" id="fileInput" style="display: none;" type="file"/>
</div>
แถบสถานะ
<div class="status-bar" id="statusBar">
<div class="status-pill" id="statusPill">แตะเพื่อเพิ่มคะแนน</div>
<div class="status-pill" id="zoomPill">100%</div>
</div>
ตำนาน
<div class="legend hidden" id="legend">
<div class="legend-title">ความแรงของสัญญาณ</div>
<div class="legend-item">
<div class="legend-color" style="background: #4ade80;"></div>
<span>ดีเยี่ยม (-50 dBm)</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #facc15;"></div>
<span>ดี (-65 dBm)</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #fb923c;"></div>
<span>ปานกลาง (-75 dBm)</span>
</div>
<div class="legend-item">
<div class="legend-color" style="background: #f87171;"></div>
<span>แย่ (-85 dBm)</span>
</div>
</div>
</div>
การควบคุมแบบลอยตัว
<div class="floating-controls" id="floatingControls">
<button class="floating-btn" id="zoomOutBtn" title="Zoom Out">-</button>
<button class="floating-btn" id="zoomInBtn" title="Zoom In">+</button>
<button class="floating-btn" id="heatmapBtn" title="Toggle Heatmap">🔥</button>
<button class="floating-btn" id="calibrateBtn" title="Calibrate Scale">📏</button>
<button class="floating-btn" id="resetBtn" title="Reset View">↺</button>
</div>
</div>
Modal ตัวเลือกสัญญาณ
<div class="signal-modal-overlay" id="signalModal">
<div class="signal-modal">
<div class="signal-modal-header">
<h3>เลือกความแรงของสัญญาณ</h3>
<button class="modal-close-btn" id="modalCloseBtn">×</button>
</div>
คู่มืออินเตอร์เน็ตไร้สาย
<div class="wifi-guide">
<div class="wifi-guide-icon">📶</div>
<div class="wifi-guide-text">ดูที่<strong>ไอคอนไวไฟ</strong>บนแถบสถานะของโทรศัพท์ ไม่ใช่แถบสัญญาณโทรศัพท์มือถือ</div>
</div>
ปุ่มสัญญาณ
<div class="signal-buttons" id="signalButtons">
<button class="signal-btn" data-signal="3">
<span class="signal-btn-icon">●●●</span>
<span class="signal-btn-label">เต็ม</span>
</button>
<button class="signal-btn" data-signal="2">
<span class="signal-btn-icon">●●○</span>
<span class="signal-btn-label">ดี</span>
</button>
<button class="signal-btn" data-signal="1">
<span class="signal-btn-icon">●○○</span>
<span class="signal-btn-label">อ่อนแอ</span>
</button>
<button class="signal-btn" data-signal="0">
<span class="signal-btn-icon">○○○</span>
<span class="signal-btn-label">ยากจน</span>
</button>
<button class="signal-btn" data-signal="-1">
<span class="signal-btn-icon">✕</span>
<span class="signal-btn-label">ไม่มี</span>
</button>
</div>
ป้ายจุด
<div class="label-input-group">
<label for="pointLabel">ป้ายกำกับจุด (ไม่จำเป็น)</label>
<input class="label-input" id="pointLabel" placeholder="e.g., Living Room, Hallway..." type="text"/>
</div>
การดำเนินการ
<div class="modal-actions">
<button class="modal-btn cancel" id="modalCancelBtn">ยกเลิก</button>
<button class="modal-btn save" disabled="" id="modalSaveBtn">เพิ่มจุด</button>
</div>
</div>
</div>
แผงการตั้งค่า
<div class="settings-panel" id="settingsPanel">
<div class="settings-content">
<div class="settings-header">
<h3>การตั้งค่า</h3>
<button class="modal-close-btn" id="settingsCloseBtn">×</button>
</div>
ส่วนการสอบเทียบ
<div class="settings-section">
<div class="settings-section-title">การสอบเทียบมาตราส่วน</div>
<div class="settings-row" id="calibrationStatus" style="display: none;">
<span class="settings-label">ขนาดปัจจุบัน</span>
<span class="settings-value" id="calibrationValue">ไม่ได้ปรับเทียบ</span>
</div>
<div class="settings-row">
<span class="settings-label">ระยะทางที่รู้จัก</span>
<input class="settings-input" id="calibrationDistance" min="0.1" placeholder="10" step="0.1" type="number"/>
</div>
<div class="settings-row">
<span class="settings-label">หน่วย</span>
<select class="settings-select" id="calibrationUnit">
<option value="feet">เท้า</option>
<option value="meters">เมตร</option>
</select>
</div>
<button class="settings-btn secondary" id="startCalibrationBtn">เริ่มการปรับเทียบ</button>
<button class="settings-btn secondary" id="clearCalibrationBtn" style="display: none;">ล้างการสอบเทียบ</button>
</div>
ส่วนแผนที่ความร้อน
<div class="settings-section">
<div class="settings-section-title">การตั้งค่าแผนที่ความร้อน</div>
<div class="settings-row">
<span class="settings-label">ความละเอียดของตาราง</span>
<input id="gridResolution" max="50" min="10" style="width: 100px;" type="range" value="20"/>
</div>
<div class="settings-row">
<span class="settings-label">แสดงตำนาน</span>
<div class="settings-toggle" id="showLegendToggle"></div>
</div>
</div>
ส่วนข้อมูล
<div class="settings-section">
<div class="settings-section-title">ข้อมูล</div>
<button class="settings-btn secondary" id="exportBtn">แบบสำรวจการส่งออก (JSON)</button>
<button class="settings-btn secondary" id="importBtn">แบบสำรวจการนำเข้า</button>
<input accept=".json" id="importInput" style="display: none;" type="file"/>
<button class="settings-btn danger" id="clearAllBtn">ล้างคะแนนทั้งหมด</button>
</div>
ส่วนแผนผังชั้น
<div class="settings-section">
<div class="settings-section-title">แผนผังชั้น</div>
<button class="settings-btn secondary" id="changeFloorPlanBtn">เปลี่ยนแผนผังชั้น</button>
</div>
</div>
</div>
แผงคะแนน
<div class="points-panel" id="pointsPanel">
<div class="points-panel-header">
<h3>จุดสำรวจ</h3>
<button class="modal-close-btn" id="pointsPanelCloseBtn">×</button>
</div>
<div class="points-list" id="pointsList">
<div class="points-empty">ยังไม่มีคะแนนเพิ่ม<br/>แตะบนแผนที่เพื่อเพิ่มจุดสำรวจ</div>
</div>
</div>
ฉากหลังสำหรับแผง
<div id="panelBackdrop" onclick="MobileWiFiSurvey.closePointsPanel()" style="display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,0.5); z-index: 85;"></div>
<script src="/assets/js/mobile-wifi-survey-tool.js"></script>