Mounting Bracket for Nema Engine 17 42mm

For connecting Arduino modules or boards.
Ideal for your electronic projects, arduino, but can also be used with other microcontrollers. 2x Cable Female - Female 4 Pins 4 Colors features:
- No soldering required
- Circuits can be easily modified or revised
- Quantity: 2 cables of 4 pins, female - female connector
- Colors: red, black, blue, green
- Pin pitch: 2.54mm
- Cable lengths: 70cm For one rapid construction of a prototype of an electronic circuit.

Power supply fixing to chassis with 2.4 mm central PIN.
Characteristic:
- Contact resistance 50 mOhm
- Insulation resistance 100 MOhm at 500 V DC
- Welding heat resistance 260ºC ± 5ºC ± 3 seconds
- Duration 5,000 cycles (25 x minute)
- Insulation dielectric strength 260 V ~ / 1 minute
- Material PBT 15% PV - UL94-V0
- Flammability UL94 V-0
- Fixed contact material, tin plated brass
- Flexible contact material, tin plated brass
- Central pin material, tin plated brass - Center contact diameter 2'4 mm - Quantity: 1.

Resistor 4,7K Ohm 5% 0,25W 1/4W features:
- 4.7K Ohm
-Type: Carbon film
-Tolerance: ±5%
-Power: 0.25W
-Dimensions: 2x7mm

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

It allows controlling many different types of engines: - Up to 4 bidirectional current motors
- Up to 2 stepper motors (unipolar or bipolar) In addition it is provided with two connectors for servos.                   L293D Motor Drive Shield Expansion Board features:
- Minimum operating voltage: 4.5 V
- Maximum operating voltage: 36 V
- Maximum current: ± 1.2 A (650mA)
- Logic voltage: 5V
- Controller L293D
- Measures: 70x55x20 mm L293D controller consists of 4 H bridges with 650 mA current with thermal protection.
Pull-down resistors keep the motors off during startup.

10x Photoresistor 5mm GL5516 LDR 5-10k for Arduino.
Photoresistor is a resistor whose resistance decreases when increasing the intensity of the light that falls on it. 10x Photoresistor GL5516 LDR features:
- Model: GL5516
- Spectral peak: 540nm
- Maximum DC voltage: 150V
- Maximum power: 90mW.
- Resistance with light (10lux): 5-10KΩ
- Resistance with darkness (0lux): 0.5MΩ
- Response time: 20ms
- Operating temperature: -30ºC - 70ºC

5x Push Switch Button B3F Omron Blue Key 12mm features:

- 5x Push Buttons B3F Omron Key
- Maximum current: 50 mA
- Tension DC: 24V
- Operating force: 1.27N
- Switch terminals: weldable
- Contact: SPST-NO
- Contact resistance: 100M Ohm
- Type of action: Superficial
- Measures: 12x12x7.3mm

LM35 Temperature Sensor LM35DZ TO92 features:
- The output is linear and each degree Celsius equals 10 mV
- Power supply from 4 to 30 Vdc
- Connection through analog input
- Temperature range from 0ºC to 100ºC
- Linearity +10 mV / ºC
- Quantity: 1 unit