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Minicomputer with Allwinner H3 quad-core processor and 1 GB RAM. It has a WiFi and BT module, two Ethernet ports, 2 USB 2.0 ports and a microUSB and a microSD slot. FriendlyELEC NanoPi R1

XTREME DT830B multimeter enabling constant voltage measurement in the range of 200 mV - 500 V, alternating voltage 200 - 500 V, direct current 200 μA - 5 A and resistance 200 Ω - 2 MΩ

The 3-way waterproof twisted connector with a screw terminal is a universal, easy-to-install and weather-resistant element connecting three wires, ideal for difficult tasks such as garden lighting installation or outdoor electrical work

The SD3031 precision real-time clock (RTC) module. It has an integrated quartz resonator, on-board SRAM and communicates via an I2C interface. DFRobot DFR0998

Bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a rated voltage of 12 V and draws a current of 0.4 A per coil. 42BYGHW208

Bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a rated voltage of 12 V and draws a current of 1.2 A per coil. OK42HB40-1204A-TJ750

NEMA23 bipolar stepper motor. It has a resolution of 200 steps/rotation (1.8° per step), a voltage rating of 2.5 V and draws a current of 2.8 A per coil. 57BYG56-2804S

NEMA23 bipolar/unipolar stepper motor. It has a resolution of 200 steps/rotation (1.8° per step), a voltage rating of 36 V and draws a current of 5.6 A per coil. 57HS22

NEMA17 bipolar stepper motor. It has a resolution of 200 steps/rotation (1.8° per step), a voltage rating of 2 V and draws a current of 1.5 A per coil. 17HD40005-22B

NEMA17 bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a rated voltage of 12 V and draws a current of 1.8 A per coil. 17HS8401B

NEMA17 bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a voltage rating of 12 V and draws a current of 1.7 A per coil. 42HB34F08AB

NEMA23 bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a rated voltage of 12 V and draws a current of 2.8 A per coil. 57BYGH76

NEMA17 bipolar stepper motor. It has a resolution of 200 steps/revolution (1.8° per step), a rated voltage of 12 V and draws a current of 0.4 A per coil

NEMA17 bipolar stepper motor. It has a resolution of 200 steps/rotation (1.8° per step), a voltage rating of 4.1 V and draws a current of 0.7 A per coil. 17HS4023

The TU-230PA crimper is a high-quality, professional tool for precise crimping of ferrules for coaxial cable, equipped with an ergonomic, non-slip handle and replaceable crimping heads, ideal for electricians, telecommunications installers and hobbyists

SCD41 CO2, temperature and humidity sensor module. Equipped with a Gravity connector, it communicates via an I2C interface. DFRobot SEN0536

Module with 8 relays SSR G3MC202P with a load up to 2 A. The board is equipped with a Grove connector and communicates via I2C. Seeed Studio 103020136

Aluminum platform for building a mobile robot. Numerous holes were made in the plate to facilitate the assembly of motors and electronics. The set is equipped with 4 TT motors and 4 Mecanum multidirectional wheels with a diameter of 60 mm

The right Mecanum multi-directional wheel with a diameter of 48 mm, which consists of 9 rollers located around the circumference of the wheel. The wheel hub fits the popular TT motors