Red Laser Line Module Generator 650nm 5mW

3A DC Converter 1,25-32V Adjustable LM2596 Step Down Module features:

- Based on the LM2596S-ADJ regulator
- Rectification: Asynchronous
- Output Voltage: 1.25v - 32v DC (adjustable)
- Voltage of Input: 3.2v - 35v DC
- Max Output Current: 3A (with heat sink)
- Ripple at output voltage: 30mV
- Frequency: 150KHz
- Max Conversion Efficiency: 92%
- Load Regulation: ± 0.5%
- Voltage Regulation: ± 2.5%
- Operating Temperature: -40ºC to + 85ºC
- Measurements 43x 21x 14 mm

Mini ESP8266 ESP12E CH340 WiFi Development
NodeMcu module based on ESP8266 controller and programming in Lua language
NodeMcu it is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC
It works as a standard WiFi 802.11 b / g / n 2.4 GHz
Wemos D1 Mini ESP8266 ESP12E CH340 WiFi Wireless Development features:

- Compatible with Arduino, programming with the Arduino IDE
- Power supply voltage: 5V
- LOGICAL LEVELS: 3.3V
- 11 input / output pins
- 1 ADC (input: 0-3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz - Band: 2400 (MHz)
- Wi-Fi Direct (P2p), Soft Access Point
- Integrated TCP / IP stack
- PLL, regulators and power management units Integrated

Ideal for projects with ARDUINO, Smart Car
Detects transparent and translucent obstacles
E18-D80NK Infrared Obstacle Avoidance Sensor Module 3-80cm Smart Car features:
- Current consumption: up to 100 mA
- Supply voltage 5V
- Current consumption <25mA
- Response time of 2 ms
- Measured distance: 3-80cm 15st angle
- Screw to adjust the sensitivity, the back
- Output status led indicator
- Operating temperature: -25°C - + 55°C
- Material: high-strength plastic
- Type of output: normally open, NPN
- Dimensions: 18 mm in diameter, Length 45 mm
- Cable length 55cm
- Departures:
      - Brown: +
      - Blue: -
      - Black: OUT

Load cell Load Cell 20kg features:
- Load range: 20kg
- Operating voltage: 3VDC ~ 14 VDC
- Nominal output: 1.0 ± 0.15mV / V
- Repeatability: 0.03% FS
- Effect of the temperature at the outlet: 0.01% F.S /°C
- Effect of temperature on zero: 0.05% F.S /°C
- Zero: ± 0.1000 mV / V
- Input impedance: 1115 + -10% Ω
- Output impedance: 1000 + - 10% Ω
- Insulation resistance:> = 1000 MΩ
- Safe Overload Rate: 150% FS
- Final overload rate: 200% FS
- Temperature range: -20 - 60 °C
- Material: Aluminum alloy
- Degree of protection: IP65
- Cable length: 25 cm
- Size: 75 x 12.7 x 12.7 mm
- Wiring:
* Red: Feeding +
* Black: Source -
* Green: Sign +
* White: Signal -

Arduino UNO is the best board to start your experience with electronics and programming. If this is your first experience with the platform, UNO is the most robust board you can start with. UNO is the most widely used and documented board in the entire Arduino family. Its power ensures ATmega 328p microcontroller, the board is equipped with 14 digital pins, and 6 analog

NodeMcu module based on ESP8266 controller and programming in Lua language.
NodeMcu is equipped with 10 GPIO, PWM, I2C, 1-wire and ADC.
ESP8266-12E is an improved version of ESP8266-12.
It works as a standard WiFi 802.11 b / g / n 2.4 GHz.
USB communication - the CH340 chip. Characteristics of ESP 12E:
- Supply voltage: 3.3V (LOGICAL LEVELS: 3.3V)
- Supported protocols: 802.11 b / g / n
- Network support: 2.4 GHz
- Band: 2400 (MHz)
- Wi-Fi Direct (P2p), Soft Access Point
- TCP Stack / Integrated IP
- PLLs, Regulators and Integrated Power Management Units
- Output Power: 0.15 (W); + 19.5dBm in 802.11b mode

Includes a switch to output the voltage built into the case itself.
It has a cover for protect the batteries.
The cover has perforation in case you want to secure it with a screw (not included).
Characteristic:
- Cable 12cm long
- Measures 70x 65x 18mm
- Battery length max 50mm
- Compatible batteries (LR06, R06, MN1500, AM3, UM3, HP7)