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The SX1308 step-up converter allows the input voltage to be stepped up from 2V to 24V to an output voltage in the range 2V to 28V, with a maximum current of up to 2A. Convenient voltage adjustment is provided by a built-in potentiometer. It is a functional solution for powering various types of devices.

The LM2596S Step-Down converter supports an input voltage of 3 - 40V and an output voltage of 1.5 - 35V. It features stepless voltage and current adjustment via a multi-turn potentiometer and LED indication. The maximum output current is 3A. Its efficiency is ~90% and the fixed switching frequency is 150 kHz. Dimensions - 43 x 21 x 13 mm.

Seeedstudio introduces its compact development board, powered by the advanced Nordic nRF52840 ARM Cortex M4 chip, running at 64 MHz. This versatile board provides wireless connectivity through Bluetooth 5.0 with built-in antenna, NFC and ZigBee, enabling innovative projects in the IoT area. It also features a BQ25101 battery charging circuit and a variety of communication interfaces, opening the door to creating mobile, wireless solutions. Additionally, the board is suitable for developing artificial intelligence applications using TinyML, offering a wide range of possibilities for engineers and hobbyists.

Atmel's UNO R3 ATMEGA328P-PU 16MHz is a fully compatible clone of one of the most popular modules on the market. It communicates seamlessly with sensors, displays and Arduino devices. It finds application in complex projects. It can be programmed in the Arduino IDE environment. The microcontroller is clocked at 16MHz, has 54 digital inputs/outputs, 16 analogue inputs, a DC power socket, a USB connector with ATMEL MEGA16U2 communication, a reset button and UART pins (used to connect the AVR), the BLINK LED 13 program and a bootloader are preloaded into the module.