sensors Archives - Simple Metal Detectors

Connecting atmospheric pressure sensor BMP585 to STM32

Barometric pressure sensors are key components in wearable devices such as fitness trackers and other applications, accurately measuring altitude. The BMP585 barometric pressure sensor is the latest generation sensor from Bosch Sensors. It boasts superior accuracy and ultra-low power consumption, making it suitable for various environments including fitness trackers and indoor positioning, providing exceptional accuracy for altitude …

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Connectin the ADXL326 accelerometer sensor to Arduino

Arduino projects

Common accelerometer output signals are divided into digital output and analog output. The ADXL326 is a small, low-power triaxial analog output accelerometer from Analog Devices (ADI). This product has a minimum full-scale range of ±16g for measuring acceleration. In this post, we will mainly introduce how to use the ADXL326 module on the Arduino UNO …

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Connecting BMI270 inertial Measurement Sensor to Arduino

Arduino projects

In recent years, smart wearable devices have become increasingly integrated into the lives of ordinary people, with products such as smart bracelets, smartwatches, and smart headphones gradually becoming part of our daily routines. These devices offer powerful functions through data interaction and cloud-based communication, significantly transforming our lives and perceptions. MEMS sensors in wearable devices …

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Audio transmission and reception using ESP32 and MAX98357A

ESP32 Projects

Audio transmission and reception using ESP32 and MAX98357A The I2S protocol, short for Inter-IC Sound , is primarily used for transmitting or receiving audio data in a synchronous serial port between two devices. Many digital devices require audio communication, such as adding a microphone or speaker output to play audio. There are several audio protocols available for …

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Connecting UDA1334A I2S stereo decoder module to ESP32

ESP32 Projects

Connecting UDA1334A I2S stereo decoder module to ESP32 In smart home devices such as smart speakers and smart audio systems, Hi-Fi level is often used to describe their audio performance. These devices typically feature high-quality audio decoders, audio amplifiers, and high-fidelity audio components, providing a more realistic, clear, and detailed music performance, resulting in a …

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Arduino and nitrogen, phosphorus, and potassium sensor to measure soil nutrient content

Arduino projects, Sensors

In this article, we will introduce how to connect a soil nitrogen, phosphorus, and potassium (NPK) sensor to an Arduino and build an Arduino soil NPK meter. Using a soil NPK sensor and an Arduino, you can easily measure soil nutrient content. Measuring soil N (nitrogen), P (phosphorus), and K (potassium) content is essential for …

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Golden Sensitivity 3D Ground Scanner

3D Ground Scanner, Underground imaging devices

Golden Sensitivity 3D Ground Scanner The term “Golden Sensitivity 3D Ground Scanner” refers to a class of advanced metal detection and subsurface imaging devices that use sophisticated magnetic field sensors to create three-dimensional visualizations of buried objects and underground structures. These scanners are specifically designed for treasure hunting, archaeological exploration, and locating deeply buried metallic …

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Build a High-Precision coil for FLC100 Sensor

3D Ground Scanner, Underground imaging devices

In the world of high-end hardware hacking, we often assume that precision components—like the specialized coils required for a FLC100 sensor—demand industrial-grade manufacturing. But if you’ve spent enough time at a cluttered workbench, you know that the most elegant solutions are often found in the scrap bin. The bottleneck for many DIY electromagnetic projects isn’t …

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Inside the FLC100: 5 Surprising Secrets of the World’s Most Popular Magnetic Sensor

3D Ground Scanner, Underground imaging devices

The FLC100 magnetic sensor has become a ubiquitous staple in both the hobbyist and professional detection worlds. To the casual observer, it’s just a simple green circuit board—a collection of surface-mount components that somehow translates the invisible pull of the Earth into precise data. But how does this humble arrangement of silicon and copper perform …

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DIY Professional Sensors: From Schematic to 10-Meter Range

3D Ground Scanner, Underground imaging devices

For many electronics hobbyists, the internal workings of professional-grade commercial sensors often feel like a “black box”—proprietary, complex, and frustratingly out of reach for the home workshop. However, that barrier is rapidly dissolving. High-end hardware like the FLC 100 or the industry-benchmark FG3 Plus are no longer shrouded in mystery. With access to the right …

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