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.

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.

SmartElex MSGEQ7 Audio Analyzer Module for Arduino – 7 Band Audio Spectrum Analyzer Board The SmartElex Audio Analyzer Module is a compact and powerful tool that helps you visualize sound in real time. Built around the MSGEQ7 chip, it splits audio input into seven different frequency bands, allowing you to create dynamic light and sound projects with ease. This 7-band audio spectrum analyzer module is perfect for hobbyists and makers who want to build sound-reactive LEDs, music visualizers, or equalizer displays. It works seamlessly with Arduino and other microcontrollers, letting you capture and display audio frequencies in a creative way. Whether you’re designing a sound visualiser module for microcontroller projects or adding a unique visual element to your DIY audio system, this board makes it simple and fun. With its easy setup and accurate response, it’s an excellent choice for audio enthusiasts and electronics learners alike. Features: 7 Frequency Bands: Built around the MSGEQ7 chip, it divides the audio signal into seven distinct frequency ranges for accurate analysis. Real-Time Audio Visualization: Ideal for building sound visualiser modules for microcontrollers and music-reactive projects. Compatible with Arduino and Other Boards: Works easily with Arduino, ESP32, and other microcontrollers for quick integration. Simple Input and Output Design: Just connect an audio input and read analog outputs from each frequency band. Compact and Ready to Use: Comes pre-assembled, making it beginner-friendly for DIY audio and electronic enthusiasts. Versatile Applications: Perfect for 7-band audio spectrum analyzer modules, LED equalizers, sound displays, and interactive art projects.

SmartElex TMP117 Temperature Sensor Module - I2C Interface for Accurate Thermal Measurement The SmartElex TMP117 High Precision Temperature Sensor is a compact digital sensor that delivers exceptionally accurate temperature readings with a precision of up to 0.1°C. Designed for reliability and ease of use, it operates over a wide range of -55°C to +150°C, making it suitable for both industrial and hobby projects. With its low power consumption and I2C interface, this temperature sensor is ideal for energy-efficient applications and precise environmental monitoring. Whether you’re developing smart devices, weather stations, or embedded systems, this sensor module ensures accurate data and simple integration without soldering. Features: Equipped with the TMP117 sensor offering ±0.1°C precision from 20°C to 50°C. Operates across a wide temperature range from -55°C to +150°C. Communicates using an easy-to-use I2C interface with four selectable addresses. Offers 16-bit resolution (0.0078°C) for fine-grained temperature measurements. Extremely low power consumption – just 3.5µA in active mode and 150nA in shutdown. Includes programmable temperature limits and digital offset for calibration-free accuracy. Compact, breadboard-friendly breakout board for seamless prototyping and integration.

ST-LINK/V2 Debugger and Programmer USB The ST-Link V2 debugger and programmer is designed for STM8 and STM32 and is manufactured with PCB installed inside of aluminum alloy U disk shell. This factory firmware has been upgraded to support the full-range STM32 SWD and a full-range STM8 SWIM. This ST-Link programmer is equipped with a 500MA internal resettable fuse that provides complete protection for your expensive computer motherboard. This programmer has a programming speed rate of 9.7 Kbytes/s in low speed and 12.8 Kbytes/s in high speed. It has a red and blue LED indicator that allows users to observe the working condition of the Programmer. The ST-Link device can be used to send program code to the 32-bit STM32 ARM Cortex or 8-bit STM8 microcontrollers. It contains connections for 5V, 3.3V, SWCLK, SWDIO, SWIM, Reset (RST/NRST), and GND. With the help of the USB connector, it can connected to a computer. Note: This ST-Link Programmer will not get detected in the STM32CubeIDE as they are clones. Click here to download the Drivers.

ST-Link/V2 Programmer and Debugger ST-LINK/V2 is an in-circuit debugger and programmer for the STM8 and STM32 microcontroller families. The single wire interface module (SWIM) and JTAG/serial wire debugging (SWD) interfaces are used to communicate with any STM8 or STM32 microcontroller located on an application board. STM8 applications use the USB full-speed interface to communicate with ST Visual Develop (STVD) or ST Visual Program (STVP) software. STM32 applications use the USB full-speed interface to communicate with Atollic, IAR, Keil or TASKING integrated development environments. In addition, to provide the same functionalities as the ST-LINK/V2, the ST-LINK/V2-ISOL features digital isolation between the PC and the target application board. It also withstands voltages of up to 1000 Vrms. Note: This ST-Link Programmer will not get detected in the STM32CubeIDE as they are clones. Check out our entire range of Universal Programmer Applications: Automotive Communications Equipment Computers and Peripherals IoT Applications Personal Electronics

USB 2.0 to TTL RS485 Serial Converter The USB 2.0 to TTL RS485 Serial Converter can be used in industrial-grade applications and features an excellent speed anti-jamming capability and is very suitable for industrial control field, individual applications. With the help of RS485 interface, it can be used in a surveillance camera, video capture, fingerprint attendance machine, program-controlled switches and CNC machine.

Vero Board (2x3 Inch) Vero Board is basically a general-purpose printed circuit board (PCB), also known as veroboard or DOT PCB. It is a thin rigid copper sheet with holes pre-drilled at standard intervals across a grid with 2.54mm (0.1-inch) spacing between holes. Each hole is encircled by a round or square copper pad so that component lead can be inserted into the hole and soldered around the pad without short-circuiting the nearby pads and other leads. For connecting the lead of component with another lead, solder these together or join these using a suitable conducting wire. Application: Hold electronic components Develop prototypes of electronic circuits

WT32-ETH01 Embedded Serial Network Module – ESP32 WiFi + Bluetooth 2-in-1 Gateway with Ethernet Port The WT32-ETH01 Embedded Serial Network Module is a versatile gateway solution that integrates both Wi-Fi and Bluetooth functionalities using the powerful ESP32 chipset. Designed for reliable and efficient network communication, it simplifies the connection of embedded devices to the internet or local networks through its built-in Ethernet port. The module supports various networking modes including Station, SoftAP, and P2P, and allows for seamless TCP/UDP data transmission, making it ideal for IoT applications, smart devices, and industrial automation. With its compact form factor, the WT32-ETH01 supports both half-pad and through-hole connections for flexible mounting. It features high RF performance, low power consumption, and supports remote firmware updates (OTA). Whether you are building smart home systems, connected sensors, or data logging networks, this 2-in-1 Bluetooth and Wi-Fi module provides a reliable and developer-friendly solution for stable wireless communication and easy integration. Features: Dual connectivity support with built-in Wi-Fi (802.11 b/g/n/e/i) and Bluetooth v4.2 BR/EDR + BLE. Ethernet interface (RJ45, 10/100 Mbps) for reliable wired network communication. Supports multiple transmission modes: TCP Server, TCP Client, UDP Server, and UDP Client. Compact and flexible design with half-pad and through-hole connectors for easy integration. High-performance ESP32 chipset offering excellent RF stability and ultra-low power consumption. Supports remote OTA firmware updates via network connection. Operates at 5V or 3.3V, compatible with a wide range of embedded systems. Ideal for IoT, smart home, and industrial automation applications.