Large momentary button with a diameter of 100 mm with LED backlight. It was based on a limit switch. The housing is black

C/CS mount lens with adapter. Allows a zoom of up to 100X, making it suitable as a microscope lens. Designed for use with the Raspberry Pi HQ camera. Waveshare 100X Microscope Lens for Pi

7-segment LED display, 1 digit 13.20 mm, black background green (630nm), 10 ucd (10mA), common anode, red (630nm), 6 mcd (10mA), common anode. Pb-free. LED1-AS-B-05219BMRMG

Recognizes the distance of an object away from the sensor up to about 10 inches (~25cm) and the location of the object from side to side across the sensor in about a 6 inch (~15cm) span. You will be able to use I2C or UART to communicate with the ZX Sensor via an Arduino-based microcontroller as well as a computer. SEN-12780

Bluetooth 2.1+EDR module for mounting in SMD technology with a fully configurable UART interface (transfer speed up to 2 Mb/s). SparkFun WRL-12575

BMS protection module designed for 7 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

BMS protection module designed for 13 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

Step-Down converter with input voltage up to 36 V which effectively reduces it to 3.3 V, while maintaining current up to 500 mA. Pololu 2842

The compact (0.4″ × 0.5″) D24V5F6 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 6 V while allowing for a maximum output current of 500 mA. Pololu 2844

The AM2301A temperature and humidity sensor is designed to measure in a variety of environmental conditions. It offers a measuring range of temperature from -40 to +80 °C and humidity from 0 to 100%RH. AM2301A

The SanDisk High Endurance microSDXC 256GB V30 Memory Card with Adapter is a rugged and reliable storage solution designed for heavy use in harsh environments, ideal for video surveillance, drones, action cameras, professional cameras and telemetry systems, offering fast data storage and high capacity

32-bit microcontroller from the STM32F4 family with ARM Cortex-M4 core, 256kB Flash, 128KB SRAM, I2C, HDMI-CEC, Irda, LIN, SPI, UART / USART, USB, DMA, PWM, 1.7 ... 3.6V, LQFP-100

32-bit microcontroller from the STM32F4 family with ARM Cortex-M4 core, 512kB Flash, 128KB SRAM, I2C, HDMI-CEC, Irda, LIN, SPI, UART / USART, USB, DMA, PWM, 1.7 ... 3.6V, LQFP-100

An offline speech recognition module that enables recognition and interpretation of user spoken commands without access to an external pattern database. It is equipped with 121 commonly used fixed command words and the ability to learn up to 17 new customised instructions. DFRobot SEN0539-EN

32-bit microcontroller from the STM32F4 family with ARM Cortex-M4 core, 256kB Flash, 128KB SRAM, I2C, HDMI-CEC, Irda, LIN, SPI, UART / USART, USB, DMA, PWM, 1.7 ... 3.6V, LQFP-144

32-bit microcontroller from the STM32F4 family with ARM Cortex-M4 core, 512kB Flash, 128KB SRAM, I2C, HDMI-CEC, Irda, LIN, SPI, UART / USART, USB, DMA, PWM, 1.7 ... 3.6V, LQFP-144

Cable (adapter) from BNC connector to banana plug. Allows convenient connection of a device, e.g. to an oscilloscope

32-bit microcontroller from the STM32F4 family with ARM Cortex-M4 core, 512kB Flash, 128KB SRAM, I2C, HDMI-CEC, Irda, LIN, SPI, UART / USART, USB, DMA, PWM, 1.7 ... 3.6V, 64-LQFP

32-bit microcontroller from the STM32F4 family with ARM Cortex-M4 core, 256kB Flash, 128KB SRAM, I2C, HDMI-CEC, Irda, LIN, SPI, UART / USART, USB, DMA, PWM, 1.7 ... 3.6V, 64-LQFP

Quadruple programmable frequency generator by Silicon Labs in the range of 5 to 350MHz. Communication with the system can take place via the I2C bus. The system is housed in the QFN24 housing