Progress in Heterocyclic Chemistry Volume 22

The VARTA Recharge Accu Recycled AAA 550 mAh Solar battery is a sustainable, pre-charged Ni-MH cell perfect for energy-efficient, solar-powered devices and everyday AAA electronics.

Industrial IoT gateway and controller with integrated Raspberry Pi CM4 module (4 GB RAM, 32 GB eMMC), featuring a quad-core Cortex-A72 1.5 GHz processor and support for Raspbian, Ubuntu and Debian. Design supports 9–36 V DC power input and PoE (IEEE 802.3af), providing a wide range of interfaces including Gigabit Ethernet, USB 2.0, HDMI 2.0, isolated RS485 and RS232, digital inputs/outputs, as well as M.2 NVMe and microSD slots. Expansion options include wireless connectivity (Wi-Fi, BLE, 4G, LoRa, Zigbee) and additional modules such as TPM 2.0 or UPS, with operation in -30°C to 70°C range in a fanless IP40 enclosure for DIN rail mounting. Seeed Studio 113991334

The Yato YT-44861 2.0 mm drill bit with 1/4" hex shank is a durable and precise tool for drilling in stainless steel, structural steel, and cast iron, made from high-performance HSS 6542 steel.

The SUNON 80x80x15mm axial fan powered by 12V DC provides an efficiency of 62.86m³/h at a low noise level of 34.7dBA and a rotational speed of 3000 rpm (±10%). Thanks to the Vapo bearing and brushless motor with an auto restart function, it offers quiet and reliable operation in demanding conditions. Made of durable thermoplastic and compliant with UL94V-0 and ECE R-118 standards, it is ideal for industrial and automotive applications. Sunon ME80151V1-000U-A99

Korad KA3005DS laboratory power supply, which offers stabilized voltage from 0 V to 30 V and current up to 5 A with precise measurement to three decimal places, ideal for amateur and professional applications. Thanks to the ability to store five configurations and OVP and OCP protection, KA3005DS is a reliable tool in laboratories and during electronic repairs. KORAD KA3005DS

Portable antenna analyzer with a working range from 50 kHz to 3 GHz, ideal for testing 50 Ohm installations and analyzing filters and S-parameters. Equipped with a 4-inch touchscreen, 3000 mAh battery and support for Windows, Linux and macOS, it offers high precision and portability for hobbyists and professionals. NanoVNA SAA2N

Advanced brushless DC (BLDC) motor controller offering precise motion control with closed-loop FOC. Equipped with an OLED display, 360° slip ring, and CAN and Grove interfaces, it provides flexibility in integration and mounting, ideal for industrial applications, automation, educational and visual projects. M5stack U188

The BLOW PR-160 30 m extension cord with a single grounded socket provides reliable long-distance power supply for home, garden, or workshop use.

The SUNON PE60252B1-000U-A99 is a reliable 24 VDC axial fan delivering 61.16 m³/h airflow with ball bearings and auto-restart, ideal for compact and high-efficiency electronic cooling solutions

Hour meter with tachometer function enables precise tracking of operating time for combustion engines and monitoring of RPM, supporting ongoing machine maintenance and service planning. The waterproof and shock-resistant design, wide measurement range, and compatibility with 2-stroke and 4-stroke engines make the device useful for a wide range of workshop, agricultural, and recreational applications.

Blow Adapter WT.PL / GN.UK, USA is a practical and reliable solution for travelers or users of electrical devices imported from abroad. It allows safe connection of a wide range of equipment to European sockets, maintaining full functionality and ease of use. Suitable for both home and travel use.

XL830L XTREME Multimeter is a functional measuring tool offering a wide range of features while maintaining a compact form and intuitive operation. Thanks to the large backlit display and built-in stand, it allows for comfortable use in various conditions. It is suitable for home repairs as well as professional service or educational applications.

TUYA V3 is a compact black Wi-Fi socket with energy consumption monitoring, scheduling capabilities, and remote control via a mobile app. Rated for loads up to 3600 W, it is ideal for everyday automation of household devices and smart home systems.

The BLOW E27 15W LED bulb emits neutral white light at 4000 K with 1200 lm brightness, offering an energy-efficient and durable lighting solution for home and commercial use.

Car charger G50D is a practical solution for users looking for an efficient and safe power source while traveling. Thanks to fast charging, a multi-port design, and compatibility with 12 V and 24 V voltage, it works well in both passenger and commercial vehicles. Its aesthetic and compact design makes the charger not only look good but also meet the expectations of even the most demanding users.

Blow QC 20 W charger with USB-A and USB-C ports is a versatile and efficient power source for modern mobile devices. It allows simultaneous charging of two devices, offering fast charging in the Power Delivery standard and solid protection. Ideal for everyday use at home, at work and while travelling.