arduino italy

 Key Features :

• • • Model: DRV8825
    • Supply Voltage: 8.2 – 42 VDC.
    • Current Capacity : 2.2A max(24V).
    • Continuous current per phase: 1.5 A.
    • Minimum Logic voltage: 2.5V.
    • Maximum Logic Voltage: 5V.
    • Microstep resolutions: full, 1/2, 1/4, 1/8, 1/16, and 1/32.
    • Dimensions : 15 x 20 mm.
    • Weight: 4 gm.
    • Microstep resolutions: full, 1/2, 1/4, 1/8, 1/16, and 1/32.
    • Simple step and direction control interface
    • Six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step
    • Adjustable current control lets you set the maximum current output with a potentiometer. Hence lets you use voltages above your stepper motor’s rated voltage to achieve higher step rates
    • Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay)
    • 45 V maximum supply voltage
    • Built-in regulator (no external logic voltage supply needed)
    • Can interface directly with 3.3 V and 5 V systems
    • Over-temperature thermal shutdown, over-current shutdown, and under-voltage lockout
    • Short-to-ground and shorted-load protection
    • 4-layer, 2 oz copper PCB for improved heat dissipation
    • Exposed solderable ground pad below the driver IC on the bottom of the PCB

 Key Features :

1. • Two-wire I2C interface
   • Hour: Minutes: Seconds AM/PM
   • Leap year compensation
   • Accurate calendar up to the year 2100
   • Consumes Less than 500nA in Battery-Backup
   • 1Hz output pin
   • 56 Bytes of Non-volatile memory available to the user
   • 4KB of serial electrically erasable and programmable read-only memory (EEPROM)
   • Embed DS18B20 temperature sensor interface with the pull-up resistor.

 Key Features :

• • 100% brand new and high quality.
  • ESP32 is already integrated antenna and RF balun,power amplifier,low-noise amplifiers,filters,and power management module.
  • The entire solution takes up the least amount of printed circuit board area.
  • This board is used with 2.4 GHz dual-mode Wi-Fi and Bluetooth chips by TSMC 40nm low power technology,power and RF properties best,which is safe,reliable,and scalable to a variety of applications.
  • High performance-price ratio.
  • Small volume,easily embeded to other products.
  • Strong function with support LWIP protocol,Freertos.
  • Supporting three modes:AP,STA,and AP+STA.
  • Supporting Lua program,easily to develop.

 Key Features :

• • • Uses CH340G instead of CP2102.
    • Wireless 802.11 b/g/n standard
    • WiFi at 2.4GHz, support WPA / WPA2 security mode
    • Support STA/AP/STA + AP three operating modes
    • Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX)
    • Support UART / GPIO data communication interface
    • Remote firmware upgrade (OTA)
    • Support Smart Link Smart Networking
    • Don’t need to download resetting
    • A great set of tools to develop NODEMCU
    • Lowest cost WI-FI
    • FOR Arduino like hardware IO
    • Greatly speed up your IOT application developing process
    • Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled
    • WI-FI MCU ESP12E integrated and easy to the prototyping development kit.
    • We provide the best platform for IoT application development at the lowest cost.
    • NodeMCU has built-in USB-TTL serial with super reliable industrial strength CH340G for superior stability on all supported platforms.
    • Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
    • Event-driven API for network applications, which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style.

 Key Features :

• • • Works with any USB Bluetooth adapters.
    • Default Baud Rate: 9600,8,1,n.
    • Built in antenna.
    • Coverage up to 30ft.
    • Bluetooth version: V2.0+EDR
    • Operating voltage: 3.3V
    • Default Baud Rate: 9600,8,1,n.
    • Signal coverage: 30ft
    • Item size: 4.3 * 1.6 * 0.7cm
    • Item weight: 3g
    • Package size: 9 * 3 * 1cm
    • Package weight: 8g
    • Commercial Series: Bluetooth module board Series
    • With LED indicator light, use 150mA and 3.3V regulation chip.
    • With VCC.GND.TXD.RXD foot for the Bluetooth
    • With “Re-seach” button(ON/OFF/WAKE foot for it , external MCU outinput “High level” can control module to re-seach)
    • Compatible with bluetooth master module”.slave module”or master-slave(whole) module.
    • Input voltage: 3.3~6V
    • Size: 1.55cm*3.98cm

 Key Features :

1. Infrared Sensor with Control Circuit Board
2. The Sensitivity and Holding Time Can be Adjusted
3. Blockade time: 2.5s (Default)
4. Sensitive Setting: Turn to Right, Distance Increases (About 7M); Turn to Left, Distance Reduce (About 3M)
5. Time Setting: Turn to Right, Time Increases (About 200S); Turn to Left, Time Reduce (About 5S).

 Key Features :

1. Temperature and Humidity displayed in HUGE 1″ high numbers.
2. MAX / MIN Humidity & Temperature are recorded automatically and can be reset by the user
3. Fahrenheit or Celsius readout (changeable by selecting F or C on the back)
4. 12 or 24 hour time modes (changeable by using MODE & ADJ button to set)
5. ALARM function
6. MONTH & DAY display available by pushing ADJ button
7. Integrated back stand for desktop or table use OR hanging hole for wall mounting
8. Power: ONE standard AAA 1 .5v Battery
9. Time, and Temperature display, Humidity display; With the calendar, alarm clock and the maximum or minimum value of humiture memory functions; the convert of temperature and degree Fahrenheit, Talkclock.

 Key Features :

1. Operating Voltage: 3.3 ~ 5.5 VDC
2. Output Voltage: 0 ~ 3.0VDC
3. Interface: PH2.0-3P
4. Dimension: 98mm * 23mm (3.86in x 0.905in)
5. Supports Gravity 3-Pin interface
6. Analog output

 Key Features :

1. Mechanical structure, easy to install.
2. This car has tachometer encoder
3. With 4 cell AA battery holder and power switch.
4. Can be used for distance measurement, velocity.
5. Can use with other devices to realize the function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.
6. Gear Motor reduction radio: 1:48.
7. Size: 22cm x 14.7cm, wheel size: 7cm x 7cm x 2.6cm.
8. Note: motor power supply is 3V~6V.

 Key Features :

1. Simple mechanical structure, easy for installation.
2. Adopts 4 DC motors for better power, speed and load capacity.
3. Large and stable Chassis, easy for expansion.
4. Easy interface with Arduino development platform.
5. Enormous space between middle & bottom chassis.
6. This kit is great for DIY Learning, Academic Research, Hobby Projects and Robot Competitions.

 Key Features :

• • • Current Sense for each motor
    • Heatsink for better performance
    • Power-On LED indicator
    • Dual H Bridge Motor Driver
    • L298N motor driver IC
    • Drives up to 2 bidirectional DC motors
    • Integrated 5V power regulator
    • 5V – 35V drive voltage
    • 2A max drive current

 Key Features :

1. Voltage: 3.0 V – 5 V.
2. Output: red laser straightly(650nm).
3. Driver: APC circuit.
4. Size: Φ 12.0 x35mm.
5. Line length: about 135 mm.
6. Transmit power: 58mW.
7. Operating Current: 40mA.
8. Operating temperature: -36 ~ 65◦C.
9. Pot size: 15 meters spot for φ10 mm ~ φ15.
10. Outer diameter: 6 mm.

 Key Features :

1. Dimensions: 33 x 115 x 8(L x W x H ) mm.
2. Weight: 4gm.
3. main chip: LM393.
4. working voltage: DC 3-5V
5. Signal output indicator light.
6. LDR module 4 PIN
7. Operating voltage 3.3V-5V
8. Able to detect ambient brightness and light intensity Adjustable sensitivity (via blue digital potentiometer adjustment)
9. Output: DO digital switch output (0 and 1), AO analog voltage output Compatible with Arduino, Raspberry and other microcontroller board.

 Key Features :

1. 1. 1. Independent interface:
         • The light-emitting module controls the red, yellow, and green lights separately, a total of four independent interfaces.
      2. Fast response:
         • The light-emitting module can respond super fast, with strong anti-interference ability and high-cost performance.
      3. Good performance:
         • The light-emitting module has ultra-low energy consumption, long transmission distance, and is very reliable.