Bestsellers
- Model: HC-SR04
- Color: Blue + Silver
- Working voltage : 5V(DC)
- Static current: Less than 2mA.
- Output signal: Electric frequency signal, high level 5V, low level 0V.
- Sensor angle: Not more than 15 degrees.
- Detection distance: 2cm~450cm.
- High precision: Up to 3mm
RM3.40
- Microcontroller: Atmel ATmega328
- Operating Voltage (logic level): 5 V
- Input Voltage (recommended): 7-12 V
- Input Voltage (limits): 6-20 V
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- Analog Input Pins: 8
- DC Current per I/O Pin: 40 mA
- Flash Memory: 32 KB (ATmega328) of which 2 KB used by bootloader
RM10.90
- 830 Tie Point
- Self adhesive
- Can be interlocked for larger projects
- 2 power lanes
- Horizontal: 1-60
- Vertical: A-J
- Dimensions: 15.5cm x 5.5cm
RM5.80
- 14 digital I/O pins (six of which provide PWM output)
- 3.3 V supply generated by an on-board regulator
- Six analog input pins
- 32 KB of flash memory
- Can supply 40 mA of DC current per pin
- 16 MHz clock speed
- Code example from Arduino website to help get started
RM24.90
- Based on ESP-12E ESP8266 wifi board
- All I/Os output
- No need to press reset/flash for pgoramming
- Lolin NodeMCU V3 version has CH340 USB-TTL converter
- Larger current support
- Supports windows 7/8/10 by CH340, and supports ESPlorer
RM20.50
- High-quality Plastic Holder
- Small size, easy to carry
- Embossed battery polarity marks
- Mounting screw point
RM1.50
- Dimension: 23×12.2x29mm
- Stall torque: 1.8kg/cm(4.8v)
- Gear type: POM gear set
- Operating speed: 0.1sec/60degree(4.8v)
- Operating voltage: 4.8v
- Temperature range: 0?_ 55?
- Dead band width: 1us
- Weight: 9g
RM5.90
- Add two rows of the holes for the pins. So it can be connected with normal Dubond line.
- Add 3 rows of the holes for wiring.
- Change the in-line package of ATMEGA328P to flat package.
- CH340G Replace ATmega16U2
- Plug UNO development board, the driver will be automatically installed.
- select the board UNO inside the die.
- R3 Shield Compatible
RM16.90
- Color: Black, White, Red, Yellow, Blue, Green
- 170 Tie Point
- Self adhesive
- Can be interlocked for larger projects
- Horizontal: 1-17
- Vertical: A-J
- Dimensions: 3.5cm x 4.7cm
RM1.90
- 5mm round head general use LED
- Class A grade
- Constant luminous
- Available in red, yellow, blue, green, white, purple color
- Can direct drive by Arduino
RM1.00
- Connetor Type: Dupont 1p Male to Male
- Pitch: 2.54mm
- Jumper Length: 10cm
- Number of point: 40x1p
RM3.80
- 400 Tie Point
- Self adhesive
- Can be interlocked for larger projects
- 2 power lanes
- Horizontal: 1-30
- Vertical: A-J
- Dimensions: 8.2cm x 6.2 cm (3.2in x 2 in)
RM3.40
- Connetor Type: Dupont 1p Male to Male
- Pitch: 2.54mm
- Jumper Length: 20cm
- Number of point: 40x1p
RM3.90
- High speed high torque DC motor
- Build-in cooling fin for self cooling
- At DC 24V, speed can reach 8000rpm & 2kg-cm
- Can use to build mini electric motorcycle, mini drill or cutting saw project
RM24.90
- High-quality Plastic Holder
- Small size, easy to carry
- Embossed battery polarity marks
- Mounting screw point
RM0.60