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JL-AD3W-HT-V3 – Everything You Need to Know About This AC-DC Power Supply Module

The JL-AD3W-HT-V3 is a compact AC-to-DC power supply module commonly found in low-cost embedded electronics, IoT devices, and DIY projects. It converts mains voltage directly into a regulated low-voltage DC output, typically 5 V, making it a popular alternative to bulky wall adapters or external power bricks. This article covers the JL-AD3W-HT-V3 as a hardware component: what it is, how it

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The Ultimate Guide to the BL0942 Energy Meter IC

The BL0942 is a highly integrated, calibration-free single-phase energy metering IC designed for smart plugs, smart sockets, power strips, and energy-aware appliances. It provides accurate measurement of active power, voltage RMS, current RMS, line frequency, and zero-crossing information, while supporting both pulse output and register-based digital interfaces. Often compared with the popular BL0937, the BL0942 is not merely a pin-compatible refresh, but a more capable, register-driven metering IC intended

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ESP32 – Power Plug with Energy Meter

For many years, the Dutch retailer Action has sold affordable smart‑home devices under the LSC Smart Connect brand. These products are extremely popular due to their low price point, but internally the hardware is often far more capable than expected. Earlier generations frequently used ESP8266 modules, which made reflashing and custom firmware relatively easy. Newer hardware revisions, however, increasingly rely

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The Ultimate Guide to the BL0937 Energy Meter IC

The BL0937 is a highly integrated, cost-effective single-phase energy metering IC designed for modern smart sockets, power strips, and intelligent appliances. Engineered for accuracy, stability, and simplicity, it enables precise measurement of active power, voltage RMS, and current RMS using only a handful of external components. Whether you are a hobbyist building a smart plug

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esp32 – Power plug

For years, the Dutch retailer Action has offered affordable smart-home devices under the brand LSC Smart Connect. These products are extremely popular because of their low price—but under the hood, they often use hardware that is surprisingly capable. In earlier generations, many LSC products were based on ESP8266 chips that could easily be reprogrammed. However, newer revisions increasingly

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The Ultimate Guide to the ESPC2-02 Pinout

The ESPC2-02 is a compact, powerful Wi-Fi and Bluetooth 5.0 module built around Espressif’s ESP8684/ESP32-C2 SoC. Designed for low-power connected devices, it delivers impressive performance in a remarkably small form factor. Whether you’re designing smart lighting, wireless sensors, mesh networks, or industrial IoT systems, the ESPC2-02 provides a feature set that rivals larger modules—while remaining cost-effective and

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esp32 – smart connect plug

For years, the Dutch retailer Action has offered affordable smart-home devices under the brand LSC Smart Connect. These products are extremely popular because of their low price—but under the hood, they often use hardware that is surprisingly capable. In earlier generations, many LSC products were based on ESP8266 chips that could easily be reprogrammed. However, newer revisions increasingly

esp32 – smart connect plug Read More »

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