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ESP32-SDR vs RTL-SDR vs HackRF: Which Low-Cost SDR Should You Buy in 2026?
The ESP32 can now capture raw IQ for the price of a dev board — but it does not replace every cheap SDR. An honest comparison of frequency coverage, sample rates, transmit capability and cost, plus which board to buy for your use case.
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What Can You Actually Do With an ESP32 SDR? 7 Real Applications
Raw IQ capture unlocks far more than a spectrum view: localising Bluetooth and Zigbee, catching LTE and 5G NR near 2.6 GHz, eight-channel phased arrays, Wi-Fi sensing through walls and low-cost RF site surveys for industrial IoT.
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ESP32 Is Now a Software-Defined Radio: Inside the Undocumented Raw IQ Mode
Researchers found an undocumented mode in the ESP32 that streams raw IQ baseband samples straight from the modem ADC — turning a commodity chip into a low-cost SDR for the 2.4 GHz band. Here is how it works, what it captures, and how to try it in your browser.
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Giải Pháp IoT Giám Sát Nước & Thoát Nước Thông Minh Cho Đô Thị Và Khu Công Nghiệp
Giải pháp IoT giám sát nước toàn diện cho đô thị thông minh và khu công nghiệp — từ cảm biến lưu lượng nước Doppler, radar mực nước, chống ngập đến giám sát nắp hầm. Phát hiện sự cố dưới 5 phút, cảnh báo tự động, giảm chi phí 40-60%.
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Chuyển Đổi Kho Hàng Thông Minh Bằng AI: Ba Xu Hướng Định Hình Ngành Logistics Tương Lai
Khám phá ba xu hướng đột phá đang định hình kho logistics thế giới: AIWMS (quản lý kho bằng AI), DPP (hộ chiếu sản phẩm số) và tokenization tài sản kho — giải pháp toàn diện giúp doanh nghiệp tăng hiệu quả 40%, giảm chi phí và đáp ứng tiêu chuẩn EU.
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ESP32-C6 vs ESP32-C5: Lựa chọn nào tốt nhất cho Home Assistant?
Phân tích chi tiết ESP32-C5 vs ESP32-C6 cho Home Assistant: Khi nào nên dùng C5, khi nào cần nâng cấp C6. Tầm quan trọng của Wi-Fi 5 GHz trong smart home IoT.
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Số Hóa Nhà Máy & Chuyển Đổi Số Với IoT: Giải Pháp Toàn Diện Từ TDLOGY
Số hóa nhà máy không còn là xu hướng — đó là điều kiện sống còn. Khám phá giải pháp chuyển đổi số IoT toàn diện từ TDLOGY giúp tiết kiệm 15-30% chi phí năng lượng, giảm 60% thời gian dừng máy đột xuất.
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Power Supply Design & Manufacturing Service OEM
At TDLOGY, we know that reliable, efficient power is the heart of every great electronic product. For over a decade, we’ve partnered with innovators worldwide to deliver custom power solutions that don’t just meet specifications — they exceed expectations. Cutting-Edge Technologies We Master 🚀 GaN (Gallium Nitride) Power Solutions 🔥 SiC (Silicon Carbide) Power Solutions…
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BLE 6.0 and GPS Tracking with nRF54L15
New motion tracking project, this is 2nd project that we are using new SoC Wireless nRF54L15 from Nordic Semiconductor together with multiple motion sensor, enviroment sense, GPS tracking by Ai-Thinker and powered by solar charging. Size only 2x from coin cell #nordicdesign#NRF#nrf54l15#TrackingDevices#MotionTracking#OEMFactory If you have any project or demand regarding to similar product, feel free…
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Custom PCB Design Service Workflow
1. 📞 Client Requirement Intake 2. 📊 Technical Analysis & Consultation 3. 🧩 Schematic Design 4. 🧭 PCB Layout Design 5. 📦 Design Package Delivery Client receives: 6. 🧪 Prototype Fabrication & Assembly (optional) 7. 🔁 Feedback Loop & Finalization ✅ Summary of Deliverables Deliverable Purpose Schematic (.SCH/.PDF) Circuit understanding PCB Layout (.Gerber) Manufacturing the…
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Wi-Fi HaLow – The Future of IoT Connectivity
Wi-Fi HaLow is an advanced wireless networking technology based on the IEEE 802.11ah standard, introduced in 2017 by the Wi-Fi Alliance. Operating in the sub-1 GHz frequency band (typically 900 MHz), it offers a longer range and lower power consumption compared to traditional Wi-Fi networks operating at 2.4 GHz, 5 GHz, and 6 GHz. With…
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Why Your Bulk Capacitor Might Be Sabotaging Conductive Emissions Compliance
In EMC testing, we often focus on common mode filtering—especially on power cables. It’s a good start, but let’s be honest: even solid filtering doesn’t always get you past CE compliance. That’s when labs suggest adding low-frequency ferrites, like Fair-Rite’s Material 31. Sometimes it works. But not always. Here’s the real issue: a design mistake…
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Common mode coupling mechanism on AC/DC converter EMI
when we design our own AC/DC converters. Based on some of the comments that I have received, it seems clear that for some people, the mechanism for coupling the common mode current was not clear to them as to how it worked. In this article, I would like to try to clarify a few points.…
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