4x 18650 3.7V Parallel Lithium Battery

2x Insulation Tapes PVC Yellow and Green 10m x 15mm x 0.13mm features:
- PVC insulating tape with adhesive
- Thickness of 0.13 mm
- Measures 10m x 15mm
- Quantity: 2 units
- Heat resistance: 80°C

TP4056 Lithium Battery Charger Module 5V mini USB features:
- Based on TP4056ES regulator
- Lipo mini USB Li-Ion charger
- Input Voltage: 4.5V - 5.5 VDC
- Full charge voltage: 4.2V +/- 1.5%
- Max Output Current: 1A
- Indicator LED: charging red, charging green
- Operating temperature: -10ºC to + 85ºC
- IN + and IN- connection for electronic circuits
- Battery protection against over-discharge voltage: 2.5V - Protection against over current battery: 3A
- Measurements: 25x19x5 mm
- Ideal for 18650 batteries

It allows controlling up to 2 direct current motors or a bipolar stepper motor. It also allows to control a unipolar stepper motor configured as bipolar.
Ideal for projects with ARDUINO.
You can use it with PIC, AVR, STM32.
L298N Motor Drive Controller Board Module Dual H Bridge DC features:
- Minimum operating voltage: 5 V
- Maximum operating voltage: 35 V
- Maximum current: ± 2 A
- Logic voltage: 5V
- PWM signal inputs for speed control
- Outputs: for 2 DC motors or for a bipolar stepper motor
- Measures: 43x43x24 mm
Helpful Links:
Operation of the robot by Infrared / Operation of the robot by Bluetooth / Automatic operation with detection of obstacles

Descent module.
Use a multimeter to check the output voltage and adjust the potentiometer.
Control of voltage and current.
DC Step-Down Converter 5A 4-38v to 1.25-36v XL4015 LED LiPo features:
- Input voltage: 4-38V
- Output voltage: 1.25-36V
- Current output: adjustable, 4.5A (max 5A)
- Output power: 75W maximum
- Operating temperature: -40 to + 85 ºC
- Operating frequency: 180KHz
- Efficiency conversion: up to 96%
- Short circuit protection: Yes (limited current 8A)
- Protection over temperature: the output switches off automatically
- Size: 62mm x 26mm x 14mm
Principal functions:
- Step-down converter with overcurrent protection
- Li-Po battery charger, Li-Ion

DC 15V Analog Panel Voltmeter 0 to 15V features:
- DC 15V 0-15V analog voltage meter
- Type: Analog voltage meter
- Range of scale: DC 0-15V
- Accuracy: Class 2.5
- Complete with screws for simple DIY installation

- Immerse the probe in the fish tank to measure the water temperature Digital Thermometer with External Temperature Probe features:
- Cable length: 1m
- LCD screen
- Temperature range: -50 C ~ + 70C
- Powered by 2 batteries x LR44 / AG13 button (included)
- Cable length: approx.100cm
- External Dimensions: 48 x 28.5 x 15.2 mm
- Dimension LCD screen: 35 x 16 mm
- Color: Black
- Used to measure the temperature in: the rooms, the aquarium, terrarium in the heating system, in the car, fridge, freezer

Heat Shrinkable Tube 5 Colors 3 Meters Package features:
- Heat shrink tubing is used to connect electrical cables, isolate resistor and capacitor points, mark and protect cables Electrical, protect metal bars or tubes against corrosion and protect antennas.
- These heat shrink tubes are very flexible and of high quality. Made in EU
- Different sizes of 20 cm each are delivered:
* 1,6mm: black, brown, red, yellow, orange
* 2,4mm: black, brown , red, yellow, blue
* 3,2mm: black, brown, red, yellow, blue
- Quantity: 15 units
- Material: polyolefin
- Shrinkage ratio: 2: 1 (maximum reduce to 1/2 of its supplied diameter)
- Minimum shrinkage temperature: 115 ° C maximum 200 ° C

The Raspberry Pi High Definition (HD) camera board connects to any Raspberry Pi or Compute Module to create HD photos and video.