SHT41 16bit I2C Digital Humidity and Temperature Sensor Probe -7Semi The SHT41 16bit I2C Digital Humidity and Temperature Sensor Probe by 7Semi is a cutting-edge solution for high-accuracy environmental monitoring. Engineered for precision, it offers outstanding temperature and humidity readings with an accuracy of ±0.2°C and ±1.8% RH respectively. Designed for durability, it features a stainless-steel porous housing and a waterproof yet breathable membrane that achieves an IP65 rating—ensuring protection without sacrificing measurement integrity. The sensor communicates via a low-power I2C interface (default address 0x44), making it suitable for embedded and battery-operated applications. With built-in NIST traceability, full calibration, and variable power heating, the SHT41 excels even in harsh environments like condensing, high-pressure, or corrosive conditions. It’s the ideal choice for HVAC systems, weather stations, industrial automation, and sensitive medical-grade equipment. Features: Exceptional measurement Accuracy: ±0.2°C temperature and ±1.8% RH humidity provides consistent results in diverse situations. Wide Operating Range: Supports 0-100% relative humidity and temperatures ranging from -40°C to +125°C, making it appropriate for tough environmental applications. Advanced Protective Housing: The stainless-steel porous shell has pore diameters ranging from 5 to 120 microns, ensuring great filtering efficiency and durability. Integrated Heater with Variable Power Levels: Improves reliability in high humidity or condensation-prone environments. Waterproof and Breathable Membrane: Allows air and humidity to move through while preventing liquid ingress—ideal for high-moisture conditions. Digital I2C Interface (Address: 0x44): Provides rapid and stable communication with microcontrollers and embedded devices. Low power consumption: Suitable for portable and battery-powered solutions, with a typical 3.3V (1.7-3.6V range). NIST Traceable and Fully Calibrated: Each sensor is individually factory calibrated and tested, with a unique serial number tracing. Corrosion and High-Temperature Resistance: Works well in acidic, alkaline, dusty, and high-pressure conditions (up to 150 bar). Long-Term Stability and Durability: Performs consistently over time in severe and demanding situations. Seamless Integration: The Mini Round Shell (MRS) connector, combined with a 1-meter cable, allows for simple and dependable installation across multiple platforms.

SHT45 Digital Humidity and Temperature Sensor Probe - 7Semi The 7Semi SHT45 Digital Humidity and Temperature Sensor Probe is a high-precision sensor designed for accurate environmental monitoring in demanding conditions. It offers a temperature accuracy of ±0.1°C and a humidity accuracy of ±1% RH, making it ideal for applications in HVAC systems, weather stations, automation, medical instrumentation, and industrial processes. The sensor operates with a 16-bit digital output via I²C interface (address 0x44) and features a corrosion-resistant stainless-steel housing with a breathable membrane to protect against dust and moisture. Additionally, it includes a power-trimmed internal heater with three adjustable levels to ensure reliable performance in high humidity and condensing environments. Digital Humidity and Temperature Sensor Probe I2C Interfacing with MCU Circuit Diagram Features: High Accuracy: ±0.1°C temperature and ±1% RH humidity Wide Operating Range: Temperature: -40°C to +125°C; Humidity: 0–100% RH Low Power Consumption: Ideal for battery-powered applications I²C Interface: Pre-configured address 0x44 for easy integration Durable Design: Corrosion-resistant stainless-steel housing with breathable membrane Internal Heater: Three adjustable levels for operation in high humidity and condensing conditions Calibration: Factory calibrated with individual serial numbers for traceability

Si5351A Clock Signal Generator Module The Si5351A clock generator is an I2C controller clock generator. It uses the onboard precision clock to drive multiple PLLs and clock dividers using I2C instructions. By setting up the PLL and dividers you can create precise and arbitrary frequencies. Outputs are 3Vpp, either through a breadboard-friendly header or, for RF work, an optional SMA connector. Pinout: Pinout Si5351A Clock Signal Generator Module Applications : HDTV, DVD/Blu-ray, set-top box Audio/video equipment, gaming Printers, scanners, projectors Residential gateways Networking/communication Servers, storage XO replacement

SID60A Soldron 230VAc 60W Professional Digital Temperature Adjustable Soldering Iron The 230V 60W Soldron Professional Adjustable Soldering Iron is a lightweight, easy-to-use tool for soldering. It features a digital temperature monitor and advanced heating technology that heats up quickly and keeps the temperature stable, saving time and energy. This soldering iron is designed to reduce heat loss, allowing you to work for long hours without getting tired. With adjustable temperature control, it's ideal for both professional and hobbyist soldering tasks. Features: Microcontrolled LCD display on the handle for easy temperature monitoring. Fast heat-up and quick thermal recovery for high-quality soldering. Ergonomic, fatigue-free design for long, continuous use. Advanced temperature control for soldering both lead and lead-free solders. Clear display showing set and run modes without backlight.

SIM 800A GSM Modem with SMA Antenna The SIM800A Dual-Band GSM/GPRS Module with RS232 Interface is a complete solution for Dualband GSM/GPRS communication. With the SIM800A GSM module, you can transmit voice, texts, and data over mobile carriers and communicate with it using protocols such as RS232, UART, and I2C. This GSM module can be easily configured using AT commands, making it an ideal choice for interfacing with various microcontrollers and/or PCs. It also has a built-in SIM slot and can connect to networks operating at the supported frequency, providing you with a new channel of communication through voice, SMS texts, and data. The SIM800A module includes an SMA connector and antenna, ensuring reliable signal strength to the network. Connection Details: The module has to be powered through the onboard DC jack with an input voltage between 9-12V The module can be connected to the microcontroller via the onboard UART or I2C pins. The module also contains an onboard RS232 connector, to connect to other devices via RS232 protocol. Connections with Microcontroller: Micro-controller SIM800A 5V VCC (not required if powered externally GND GND Tx Rx Rx Tx Features: Quad-band GSM/GPRS module Frequencies supported: GSM 850MHz, EGSM 900MHz, DCS 1800MHz, and PCS 1900MHz Supports GPRS multi-slot class 12/ class 10 (optional) GPRS coding schemes supported: CS-1, CS-2, CS-3, and CS-4 SMA antenna connector RS232 interface for communication UART and I2C breakouts for easy connection with a computer or laptop Inbuilt powerful TCP/IP protocol stack for internet data transfer over GPRS Low power consumption Operating temperature range: -40°C to +85°C Some models may support Bluetooth function Programmable general-purpose input and output (GPIO) Power supply voltage: 12V Dual-band frequency range: 900/1800MHz Applications: Remote Data Monitor and Control. IoT Applications AMR (automatic meter reading). Power station monitoring and control. Remote POS (point of sale) terminals. Traffic signals monitor and control. Fleet management. Vending machine. Traffic info guidance. Parking meter and Taxi Monitor. Telecom equipment supervision (Mobile base station, microwave or optical relay station)

Sim 800C GSM Modem with Battery The SIM800C GSM Modem with Battery is a versatile and powerful modem that can be used for a variety of applications, including data and SMS. It is compatible with a wide range of networks and features a built-in battery for long-term operation. Features : Quad-band GSM/GPRS support Built-in battery Low power consumption Wide temperature range Compatible with a variety of networks Easy to use Applications : Data SMS IoT Robotics Automation Smart home And more The SIM800C GSM Modem with Battery is a powerful and versatile tool that can be used for a variety of applications. It is easy to use and compatible with a wide range of networks. If you are looking for a reliable and powerful modem, the SIM800C is a great option.

SIM 800C GSM Modem with SMA Antenna This is SIM 800C GSM Modem with SMA Antenna, The baud rate range of the GSM Module can be easily configured using AT commands, allowing you to set it anywhere between 9600 and 115200. This versatile GSM GPRS Modem incorporates an internal TCP/IP stack, enabling seamless internet connectivity through GPRS. Its capabilities make it a perfect choice for M2M interface applications that involve SMS, voice, and data transfer. One of the standout features of this modem is its onboard regulated power supply, which offers compatibility with a wide range of unregulated power sources. This means you can connect the modem to various power inputs without any hassle. With this modem at your disposal, you can effortlessly perform numerous tasks such as making audio calls, sending and receiving SMS, reading SMS, and accessing the internet using simple AT commands. The modem utilizes the highly reliable Quad-Band GSM/GPRS engine SIM800C, manufactured by SIMCOM, which operates on frequencies ranging from 850 MHz to 1900 MHz. To establish a direct connection with a computer or any other RS232 compatible devices, the modem features a convenient DB9 female connector. The necessary RS232 level conversion is seamlessly achieved through the use of the reliable MAX3232 module from MAXIM Semiconductor. To power the modem, a 5-12V DC power supply is required, and you have the option to provide it either through the onboard 2-pin RMC connector or the DC jack. To effectively handle situations where high surge currents (up to 2A) may be encountered, the modem is equipped with a robust high current low dropout linear voltage regulator. Connection Details: The module has to be powered through the onboard DC jack with an input voltage between 9-12V The module can be connected to the microcontroller via the onboard UART or I2C pins. The module also contains an onboard RS232 connector, to connect to other devices via RS232 protocol. Micro-controller SIM800C 5V VCC (not required if powered externally) GND GND Tx Rx Rx Tx Features: Quad-Band 850/900/1800/1900MHz. RS232 interface for direct communication with computer or MCU kit. Configurable baud rate. ESD Compliance. With slid in SIM a card tray. With a Stub antenna and SMA connector. High-quality PCB FR4 Grade with FPT Certified. Applications: Remote Data Monitor and Control. IoT Applications AMR (automatic meter reading). Power station monitoring and control. Remote POS (point of sale) terminals. Traffic signals monitor and control. Fleet management. Vending machine. Traffic info guidance. Parking meter and Taxi Monitor. Telecom equipment supervision (Mobile base station, microwave, or optical relay station)

SIM A7670C 4G LTE Development Board with 4G Antennaneeds Need a boost for your LTE projects? Check out the SIM A7670C 4G LTE Development Board with 4G Antenna! This board gives you fast LTE speeds—up to 10Mbps down and 5Mbps up. It’s compact and easy to connect to your computer with USB or TTL converters. Also, it is need very little power when in sleep mode, which is ideal for battery-powered applications. The included 4G antenna provides a stronger signal and connects effortlessly via the UFL connector. If you're working on routers, surveillance systems, or other remote settings, this combination keeps everything going smoothly.

SIM7670C 4G LM137 with Antenna(GSM 4G Foldable)- ADIY The ADIY 4G LTE modem is equipped with a SIM card socket, an SMA antenna connector, a DC power jack, and an RS232 interface. It supports various wireless communication modes including LTE-TDD, LTE-FDD, GSM, GPRS, and EDGE. This board is centered around the SIMCOM A7670C LTE module and is furnished with an RS232 interface. The RS232 interface allows for effortless connectivity to a computer or laptop using a USB to Serial connector, or to a microcontroller using an RS232 to TTL converter. Additionally, a 3-pin header provides access to a 1.8V level UART interface, enabling direct interfacing with microcontrollers. Communication with the A7670C module is achieved through the utilization of AT commands. Pinout: Pinout Of SIM7670C 4G LM137 Features: Serial interface Based on the SIMCOM A7670C LTE modem Supports LTE-FDD, LTE-TDD, and GSM frequency bands Controlled via AT commands SIM card holder included SMA antenna connector DC power jack RS232 interface Suitable for LTE and GSM networks Maximum downlink rate of 10Mbps Abundant software functions such as FOTA, LBS, and SSL RS232 DB9 Connector interface SMA connector for external antenna 1.8V UART header

SIM800 GSM Modem module board with SMA Antenna The SIM800 GSM Modem Module Board with SMA Antenna is a quad-band GSM/GPRS module that works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz. SIM800 features GPRS multi-slot class 12/ class 10 (optional) and supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4. Features : Quad-band GSM/GPRS module Works on frequencies GSM 850MHz, EGSM 900MHz, DCS 1800MHz and PCS 1900MHz GPRS multi-slot class 12/ class 10 (optional) Supports the GPRS coding schemes CS-1, CS-2, CS-3 and CS-4 Support Bluetooth function Programmable general purpose input and output Power supply voltage of board: 12V TTL connector for Arduino and Raspberry Pi board interface AT command support PPP internet mode support Applications : IoT devices Smart home devices Industrial automation Asset tracking Vehicle telematics Security systems And more! The SIM800 GSM Modem Module Board with SMA Antenna is a versatile and powerful tool that can be used in a wide variety of applications. With its quad-band GSM/GPRS capabilities and support for Bluetooth, it is ideal for a variety of IoT and M2M applications. The module is also easy to use and can be interfaced with a variety of microcontrollers and development boards.