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0.5X barlow lens RF4
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A 5v relay is an automatic switch that is commonly used in an automatic control circuit and to control a high-current using a low-current signal. The input voltage of the relay signal ranges from 0 to 5V.
The Arduino Mega 2560 is a microcontroller board based on the ATmega2560. It has 54 digital input/output pins (of which 15 can be used as PWM outputs), 16 analog inputs, 4 UARTs (hardware serial ports), a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and a reset button.
- Magnification: Up to 1000X for fine details.
- LCD Screen: Large 4.3-inch screen for clear viewing.
- Resolution: 10MP for sharp, detailed images.
- LED Light: Built-in light for better visibility.
- Versatile: Ideal for observing various samples.
Ardess Digital Mini Thermometer with cable allows you to easily and fast know the environment temperature around you anywhere
The thermometer comes with 1m cable metal sensor probe, perfect for use in refrigerator, aquarium tank, fish tank,pet cage, kitchens,3D printer, solar system, cellar,humidors, incubator or any other places that require monitoring of temperature.
Shaft support diameter 16 mm – SK16
The shaft can be tightened with an M5 screw provided.
Transceiver module based on an NRF24L01 allowing a 2.4 GHz wireless connection. This module communicates with an Arduino or compatible microcontroller via the SPI bus.
This is 125K RFID Tag. The RFID technology is used for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications.
Operating on a frequency of 125kHz, these tokens are all pre-programmed with unique ID numbers to communicate wirelessly with RFID Readers over distances of around 10cm or less. This means you can attach it to vehicles or items, keyrings or even pets’ collars to keep track of the location via an array of readers in the office, warehouse or home.
The MQ3 analog gas sensor is suitable for detecting alcohol; this sensor can be used in a breathalyzer.
It has high sensitivity to alcohol and low sensitivity to gasoline.
The sensitivity can be adjusted using a potentiometer.
3S 20A Li-ion 18650 BMS Lithium Battery Protection Board is a Battery Management System (BMS) designed for 3-cell 18650 Li-ion battery packs. It offers overcharge, over-discharge, short-circuit, and overcurrent protection to ensure the safe operation and longevity of your battery packs.
The SG90 servo motor is a type of continuous rotation motor controlled by a digital signal. It is used in projects such as robotics, position control systems, and DIY projects.
