Battery holder 4x AAA 6V

140x Jumper Wire Kit features:
-Quantity: 140 pieces of different lengths and colors in small box compartments
-Box measures: 170x55x15mm

Protoboard Breadboard 9x15cm features:
-PCB dimension: 9x15cm
-Hole diameter: 1mm
-Pitch: 2.54mm
-Bakelite with copper fields

IR Remote Control + IR Infrared Receiver VS1838 features:
- The test distance is about 5-8 meters, but practical application depends on environmental factors (such as diaphragm, glass , obstructions or other material blockage) - The CHQ1838 / HX1838 receiver receives the 38kHz signal
- Vcc supply: 3.3V-5V
- IN digital output to connect to the port Arduino I / O
- Remote measurements 85x 40x 5mm
- Includes battery
Useful links for Arduino / Raspberry programming and projects with Arduino boards / Raspberry:
Send / Receive information via IR
- Wiring of the IR Remote control + Infrared IR Receiver VS1838 with the UNO module
- Light a 3mm red LED by Infrared

Characteristic:
- Channels: 4 (independent protected by Optocouplers)
- Supply Voltage: 5V
- Output Current: 10A
- Relay activation current: 15mA ~ 20mA
- Isolation: Yes
- Indicator LED: For each channel
- Dimensions: 54x 72mm
- 5V Optocoupled 4-Channel Relay Module
- This module can be directly controlled by the microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL)
Useful links for Arduino / Raspberry programming and projects with Arduino / Raspberry boards:
User manual for the remote control + 4-channel 315 MHz IC2262 receiver:
- Relay Module Programming 5V 10A 4 Channel with remote control + 4 channel receiver

Universal Battery Tester AA AAA 1.5V 9V features:
- Type: Household battery tester
- You accept:
* Button batteries
* 1.5 V: AAA, HP16, MN2400, AA R03, HP7, MN1500, UM3 C, HP11, MN1400, SP11, LR14, UM2 D, HP2, MN1300, SP2, R20
* 9 V: PP3, 6F22, MN1604, 006P
* Dimensions: 5.5 x 5.2 cm

For Arduino, Smart Car, Robotics.
Small electric motor magnet for direct current (DC). Micro Motor 3V 5V 6V DC DIY Arduino UNO Mega Robotics features:
- Operating voltage: 1.5V to 6V
- DC current: 350mA
- Torque max.: 15g / cm
- Max speed: 12000rpm
- Weight: 16.5 g

Buzzer alarm to convert electrical signals into intermittent acoustic signals in robotic devices and Arduino projects

A buzzer with a pulsating tone generator, after connecting the supply voltage (DC) in the range of 3V -24V, the buzzer generates an intermittent signal with a frequency of approximately 1 Hz. Application example: as a reverse alarm system for a car. 

Characteristic:
-10k OHM kΩ - linear potentiometer 10k Arduino
-Tolerance: +/- 20%
- Power: 0.125W