Digital Power Amplifier Board, TPA3116D2 chip, Dual 50W, high Definition Sound, 12-24V

7Semi MAX31865 PT1000 RTD 3-Wire Temperature Sensor Amplifier Breakout Board The 7Semi MAX31865 PT1000 RTD 3-Wire Temperature Sensor Amplifier Breakout Board is designed for highly accurate temperature measurement using PT1000 sensors. Equipped with the MAX31865 RTD to Digital Converter, it compensates for lead resistance and supports 2, 3, and 4-wire PT1000 configurations, ensuring precise readings. The board easily connects to microcontrollers via SPI and operates at both 3.3V and 5V, making it a versatile solution for industrial, laboratory, and advanced DIY temperature monitoring projects. Features: The PT1000 RTD, a cornerstone of industrial temperature monitoring, provides high accuracy and repeatability, outperforming thermocouples in harsh situations. MAX31865 RTD Amplifier: This specialized amplifier is designed to read the low resistance of PT1000 RTDs, resulting in optimal signal processing and error minimization. 3-Wire Compatibility: The breakout board offers 3-wire RTD connection combinations to meet your individual setup needs. excellent Accuracy Temperature Sensor: Temperature measurement with little drift and excellent resolution, ideal for applications requiring accuracy. MAX31865 SPI Interface: The breakout board seamlessly integrates with popular microcontrollers such as Arduino and Raspberry Pi, allowing for easy data collecting and control. PT1000 RTD Amplifier Calibration: The MAX31865 RTD amplifier has calibration capabilities, ensuring consistent and accurate readings throughout time. MAX31865 Fault Detection: Built-in fault detection procedures aid in the identification of issues such as sensor disconnections or over-temperature conditions, hence improving system reliability. Versatile Applications: Suitable for thermal cycling, industrial process control, laboratory investigations, and any scenario requiring precise temperature measurement. The 7Semi PT1000 RTD 3-Wire Temperature Sensor Amplifier Breakout Board - MAX31865 can help you optimize your temperature sensing capabilities. Elevate your projects with unrivaled precision and dependability.

7Semi MAX31855 K-Type Thermocouple Amplifier Breakout The 7Semi MAX31855 Thermocouple Amplifier Breakout is designed for creators, engineers, and industrial users who need reliable and highly accurate temperature readings from extreme environments. With its advanced MAX31855 converter IC, this breakout allows effortless digital temperature measurement using K-type thermocouples, making it a powerful choice for applications like 3D printing, HVAC monitoring, and high-heat industrial systems. The onboard cold-junction compensation ensures precision by automatically correcting any thermal offsets at the connector. Supporting temperatures from -270°C to +1372°C, it delivers 14-bit resolution with smooth 0.25°C read steps, providing dependable, noise-free readings for sensitive processes. Built-in fault detection helps identify open circuits or shorts, making the system easier to troubleshoot and safer for continuous operation. With its SPI-based digital interface and compatibility with 3.3V/5V logic microcontrollers, the module integrates cleanly with Arduino, ESP32, Raspberry Pi, and industrial controllers. Features: Supports a wide thermocouple measurement range from –270°C to +1372°C, making it suitable for extreme heat and cryogenic applications. Provides 14-bit high-resolution output with precise 0.25°C increments for accurate temperature monitoring. Includes built-in cold-junction compensation, ensuring reliable compensation for ambient temperature fluctuations. Offers a simple SPI digital interface, requiring minimal I/O pins for easy integration with most microcontrollers. Compatible with multiple thermocouple types including K, J, N, T, S, R, and E, providing versatility in system design. Features fault detection for open thermocouples and shorts to VCC/GND to enhance system safety. Supports both 3.3V and 5V logic levels, ensuring broad compatibility across development boards.

7Semi MAX31856 Universal Thermocouple Amplifier Breakout (ES-12229) The 7Semi MAX31856 Universal Thermocouple Amplifier Breakout is a versatile temperature sensing board designed to work with a wide range of thermocouple types. It allows you to measure temperatures accurately, from very low to extremely high ranges, making it suitable for both industrial and experimental applications. This breakout board converts the small voltage signals from a thermocouple into clear digital data that can be easily read by microcontrollers. With built-in cold-junction compensation and a simple digital interface, it reduces complexity and improves measurement reliability. Whether you’re working on monitoring systems, lab equipment, or advanced electronics projects, this module makes temperature measurement straightforward and dependable. Features: Supports multiple thermocouple types for universal temperature measurement High-accuracy temperature readings with built-in cold-junction compensation Digital interface for easy connection to microcontrollers Wide temperature measurement capability for low and high-temperature applications On-board signal amplification and noise filtering for stable output Compact breakout board suitable for industrial, lab, and DIY projects

SmartElex PAM8403 5V Two-Channel Stereo Mini Class-D Audio Amplifier The SmartElex PAM8403 5V Two-Channel Stereo Mini Class-D Audio Amplifier is a compact audio amplification module designed to deliver clear and efficient stereo sound from low-power audio sources. It solves the need for adding audio output to small electronic projects without bulky components or complex circuits. This module is suitable for students, makers, engineers, educators, and startups who want an easy way to integrate stereo audio into DIY electronics, learning kits, and embedded system prototypes. This stereo mini Class-D audio amplifier is commonly used in robotics, IoT devices, automation systems, and portable electronics that require lightweight and power-efficient audio output. It can be easily interfaced with platforms such as Arduino, Raspberry Pi, and ESP32 to drive small speakers in projects like voice alerts, sound feedback systems, and interactive devices. The simple design and stable performance make it easy to integrate into both prototype builds and finished products, enabling reliable audio output with minimal setup effort. Features: Two-channel stereo Class-D audio amplifier for clear sound output Operates on a 5V power supply, ideal for embedded projects High efficiency design with low heat generation Compact size suitable for space-constrained applications Drives small speakers for stereo audio output Compatible with Arduino, Raspberry Pi, ESP32, and other audio-enabled projects

7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board The 7Semi INA240 4-80V Bidirectional Current Sensor Amplifier Breakout Board features the renowned Texas Instruments INA240, delivering precise bidirectional current measurements with a 50 V/V gain across a wide voltage range of -4V to 80V. With superior PWM rejection, it maintains accurate readings even in electrically noisy conditions, making it perfect for motor drives, power monitoring, and advanced electronics applications. Compact, reliable, and easy to integrate, this INA240 Current Sensor breakout board is an essential tool for engineers, makers, and hobbyists seeking high-precision current sensing in their projects. Features: Wide Voltage Range (-4V to 80V): Measure current seamlessly throughout a wide common mode voltage range, including applications that operate below earth. Enhanced PWM Rejection: Maintain precision in the presence of significant common mode transients, ensuring reliable measurements in systems that use PWM signals. High-Precision Voltage Output: The INA240A2 onboard delivers a proportional voltage output that integrates well with your existing configuration. Compact and Convenient: The breakout board's design simplifies integration into your projects while providing easy access to critical pins and connections. Various Applications: Suitable for motor drives, solenoid control, battery management, power monitoring, and a variety of other tasks.

7Semi 5A Analog INA169 DC Current Sensor Breakout The 7Semi 5A Analog INA169 DC Current Sensor Breakout is a precision Analog DC current sensor designed for accurate current monitoring in electronic circuits. Powered by the trusted INA169 chip, it delivers consistent current readings up to 5A across a wide input range of 2.7V to 60V. Its low offset voltage and minimal quiescent current ensure reliable measurements, while adjustable gain and overcurrent protection add versatility for various applications. Compact and easy to integrate with microcontroller-based systems, this INA169 current sensor is perfect for IoT projects, battery management, power monitoring, and smart energy solutions, providing dependable performance for both hobbyists and professional engineers. Features: Wide Voltage Range Compatibility: Operates efficiently between 2.7V and 60V, making it suitable for both low and high-voltage applications. High-Side Current measuring: Enables unipolar high-side current measuring for safer and more accurate readings. Customizable Gain Control: Easily alter output sensitivity with a single resistor to meet your individual application requirements. Built-in Signal Amplifier: Provides clean and amplified output signals for accurate ADC conversion. Overcurrent detection protects connected components by detecting and responding to excessive current. Low Quiescent Current: Consumes only 60 µA, making it ideal for energy-sensitive projects. Microcontroller-Friendly: Fully compatible with Arduino, ESP32, STM32, Raspberry Pi, and other development boards. Compact Design: Small form factor excellent for embedded system integration and space constraints. Connection Diagram with Arduino:

SmartElex MAX98357A I2S Audio Breakout Amplifier for Raspberry Pi and Microcontrollers The SmartElex MAX98357A I2S Audio Breakout is a compact digital audio amplifier that delivers clear and powerful sound for your Raspberry Pi or microcontroller projects. It converts I2S digital signals directly into high-quality analog audio output, eliminating the need for a DAC. With up to 3.2W output power, adjustable gain settings, and efficient Class D amplification, this breakout board is perfect for portable and battery-powered audio setups. It’s a reliable choice for DIY audio enthusiasts looking for an easy-to-use breakout board or a high-performance USB to serial converter alternative in digital sound applications. Features: Powered by the MAX98357A Class D amplifier chip for superior sound clarity and efficiency. Supports I2S digital audio input without needing an MCLK signal. Provides up to 3.2W output power at 4Ω with 5V supply, ideal for small speakers. Adjustable gain levels from 3dB to 15dB for flexible volume control. Integrated click-and-pop suppression ensures clean, noise-free playback. Built-in thermal shutdown and short-circuit protection for safe operation. Compact and lightweight design makes it ideal for portable projects.

PAM 8403 Amplifier Module with Knob PAM8403 is a basic 5V input amplifier board that can drive two 3W + 3W stereo speakers. It’s a great option for anyone looking for a Class-D stereo audio amplifier with a tiny footprint. The user can get high-quality audio reproduction from a stereo input using this amplifier. It also has a unique function in that it can drive speakers directly from the output. . It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filter-less architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. With the same numbers of external components, the efficiency of the PAM8403 is much better than that of Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. This PAM8403 Amplifier module differs from the conventional PAM8403 Amplifier board in this module it allows us to have more control over the output provided by the IC. By control, we mean that this amplifier module board comes with a knob that allows you to adjust the output. The PAM8403 IC provides high-definition sound quality and highlights the benefits of digital chips. The circuit uses the most reasonable peripheral arrangement, and the power supply filter is increased to 470uf. read more : Types of Amplifiers with their Workings Note: Please make sure the power supply is not more than 5.5V and please don't do reverse polarity for "+" and "-", or else, it will burn the board. Applications: Bluetooth Stereo Audio hands free / headsets In robots that speak or generate sounds to indicate activities Portable Speakers LCD Monitors / TV Projectors Arduino or Raspberry Pi Game Machines Speaker Phones

PAM8610 Digital Amplifier Board This amplifier plate adopts the official standard circuit design. Chip selection used is the United States' imported Long Ding micro class D power amplifier chip. The PAM 8610 is a 15W (per channel) stereo Class-D audio amplifier with DC Volume Control which offers low THD+N (0.1%), low EMI, and good PSRR thus high-quality sound reproduction. The 32 steps DC volume control has a +32dB to -75dB range. The PAM 8610 runs on a 7V to 15V supply at a much higher efficiency than competitors’ ICs. The PAM8610 amplifier only requires very few external components, significantly saving cost and board space. This 2x15W Two-Channel Stereo Class-D Amplifier is available in a 40pin QFN 6 x 6 mm package. The power amplifier has a high efficiency, large power, in the case of 12V power supply and can provide an output 10W + 10W power.Also has overheat and over-current protection functions. PAM8610 Digital Amplifier Board Pinouts: Note: The power supply voltage limit is 16.5V, do not use more than this voltage. The power supply is recommended for 12v, 3A power supply filter better. 4-8 inch stereo speakers recommended. Do not short-circuit the audio output to each other or shorted to ground. Carefully check before electricity, ensure the wiring is correct before electricity. Applications: Portable Audio Player Mini Speaker Control System Music Systems Radio or TV Power Amplifier

AD8495 K-Type Analog Thermocouple Amplifier Breakout -7Semi The AD8495 K-Type Analog Thermocouple Amplifier Breakout by 7Semi is a high-performance module designed to simplify accurate temperature measurement using K-type thermocouples. Powered by the AD8495 precision instrumentation amplifier, this breakout board delivers a reliable analog output of 5 mV/°C, making it easy to interface with analog-to-digital converters or microcontrollers. It includes integrated cold junction compensation to ensure precise readings even with fluctuating ambient conditions. Operating on a wide voltage range of 2.7V to 36V, this compact and robust module is perfect for a wide array of applications, especially in industrial environments where accurate thermal monitoring and control are essential. Features: Optimized for K-Type Thermocouples: Provides precise temperature readings. Internal Cold Junction Compensation: Ensures consistent and reliable readings. Wide temperature range support: -250°C to +750°C with 5V power and -250°C to +410°C with 3.3V power. Easy Analog Output: With a simple calculation, you can quickly convert voltage to temperature. Durable and Versatile: Ideal for industrial, automotive, and consumer electronics applications.

SmartElex HX711 Load Cell Amplifier - High Precision Weight Sensor Module The SmartElex HX711 Load Cell Amplifier is a compact and efficient breakout board designed to interface load cells with microcontrollers. It allows you to easily measure weight and force by converting small resistance changes from the load cell into readable digital values. Perfect for building digital weighing scales, industrial automation systems, and DIY measurement projects, this load cell amplifier offers high accuracy and stability even in demanding environments. With separate analog and digital power supplies, integrated filtering components, and a simple two-wire communication interface, the HX711 breakout board ensures reliable and noise-free readings. Compatible with most microcontrollers like Arduino, ESP32, and Raspberry Pi, it provides an affordable and easy-to-use solution for any weight-sensing application. Whether you’re developing a custom scale or a smart monitoring system, this module makes precision measurement simpler than ever. Features: Uses HX711 24-bit precision ADC for accurate load cell readings. Operates between 2.7V–5V, suitable for 3.3V and 5V systems. Extremely low operating current of less than 1.5mA. Selectable 10SPS or 80SPS data output rates for flexible performance. Simultaneous rejection of 50Hz and 60Hz noise for stable readings. Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers. Includes analog-digital separation, filter capacitor, and inductor for improved signal quality.

XH-M120 PAM8610 Amplifier Board The PAM8610 amplifier board is an all-new efficient amplifier board equipped with a 15W dual channel class D audio amplifier. This XH-M120 PAM8610 amplifier board is much more efficient and performs better than the Class AB amplifier boards. This Pam8610 audio amplifier board helps save cost and PCB area by eliminating the need for a low-pass output filter. It also can extend the battery life and is ideal for portable applications. Features: Output Power: 2x15W (at 4? load), 2x10W (at 8? load) Power Supply: Operates on a 7V to 15V DC power supply (12V recommended) Efficiency: High efficiency (up to 90%) Volume Control: 32 steps DC volume control with a range from +32dB to -75dB Protection: Includes short-circuit, overheating, and over-current protection Frequency Response: 20Hz to 15kHz Size: 45mm x 48mm x 18mm Low THD+N: Total Harmonic Distortion plus Noise (THD+N) of 0.1% for high-quality sound reproduction Compact Design: Saves cost and board space by eliminating the need for a low-pass output filter Applications: DIY Audio Projects: Ideal for building custom audio systems and portable speakers. Portable Applications: High efficiency and compact size make it suitable for battery-powered devices. Home Audio Systems: Can be used to enhance home audio setups with high-quality sound. Educational Projects: Useful for electronics and audio engineering students to learn about amplifier circuits. Embedded Systems: Can be integrated into various embedded systems requiring audio amplification. Prototyping: Great for prototyping audio-related projects due to its ease of use and versatility Features of the XH-M120 PAM8610 Amplifier Board Model XH-M120 Number of Channels Dual Channel Amplifier Board Chip Used PAM8610 Output Power 15W * 2 Supply Volatge DC6 ~ 15V Work Class D Dimensions 43mm x 47mm Weight 15g

TDA 2030A Audio power Amplifier Module Want to increase the audio output capability of your project? Well, then this is the perfect module for you. This module is based on the famous TDA2030A Audio Amplifier Module which is capable of 18-watt power output with very low harmonic distortion. This TDA2030A audio amplifier circuit, often using V-5-pin single in-line plastic package structure. Also check the NE555 Multi-Channel Waveform Generator Module available on Iotcart. Priced at Rs. 465 with an 18% discount from the original Rs. 568, the module operates on a DC input of 6-12V. It features a color ring resistor with values of 1k?, 1m?, 4.7k?, 10k?, 15k?, and 100k?. The module can generate square waves, sawtooth waves, triangle waves, and sine waves, with the waveform output selected by a jumper. Also check TDA8932 digital power amplifier board . It is a compact and efficient board that can deliver 35W of mono audio. It is suitable for a variety of audio applications, including active speakers, DIY projects, and electro-acoustic projects.

3 Channel Digital Subwoofer Amplifier Board The 3 channel digital subwoofer amplifier board runs on two high-quality TPA3116D2 digital amplifier chips. It is powered at a DC supply voltage of 12-24V. The subwoofer amplifier board has very sound quality with great amplifying power. This amplifier board has 3 channels out of which there are two 50W channels and one 100W channel that works with high efficiency and produces low heat. Users can simply connect the power supply and loudspeaker box in order to enjoy pure digital music. Disclaimer: Please note that this 3-Channel Digital Subwoofer Amplifier Board uses a clone IC designed to offer similar functionality to TPA3116D2 digital amplifier chips. This product has been tested to ensure comparable performance and quality for compatible applications. Key Features: Utilizes two TPA3116D2 digital amplifier chips for excellent sound quality. Operates with a DC supply voltage range of 12V to 24V. Features two 50W channels for left and right speakers. 100W channel dedicated to the subwoofer. Minimizing heat generation even under high load conditions. Outputs are compatible with 4-8 ohm speaker configurations. Offers a frequency response range from 14Hz to 100kHz. Provides a high SNR of 100dB. Operates at a switching frequency of 1.2MHz.

PAM8403 Digital Power Amplifier The PAM8403 5V Two-channel Stereo is a 3W+3W, class-D audio amplifier , allowing it to achieve high-quality sound reproduction. The new filterless architecture allows the device to drive the speaker directly, requiring no low-pass output filters, thus saving system cost and PCB area. You can power the pam8403 amplifier board 5v using your mobile charger or can be by a computer USB plug. You can use two speakers 3/5 watts on both sides L and R. And connect the Audio cord to the LTR portion. With the same number of external components, the efficiency of the PAM 8403 is much better than that of its Class-AB cousins. It can extend the battery life, which makes it well-suited for portable applications. Note: Input audio should be via shielded wire for best performance. Use a proper filtered power supply with good filter capacitors. Take care not to short speaker wires else IC will get damaged. Make sure power supply never exceeds 5.5V else IC will get damaged. Use a regulated power supply. Applications: LCD Monitors / TV Projectors Notebook Computers Portable Speakers Portable DVD Players, Game Machines Cellular Phones/Speaker Phones Also check the 5V DC Mini Class D Pam8403 USB Power Amplifier Board available on Iotcart. It is a 3W, class-D audio amplifier with low Total Harmonic Distortion plus Noise (THD+N), enabling high-quality sound reproduction. The filterless architecture allows it to drive the speaker directly, eliminating the need for low-pass output filters and reducing system cost and PCB area. The amplifier operates on a 5V power supply and is designed for Bluetooth audio receiver module dedicated interfaces.