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  • Auto DC-DC step up / down converter power module
  • DC 5V fix output voltage
  • Output voltage remian constant even input voltage change
  • 1.2MHz switching frequency
  • Up to 600mA load
  • Good to stabilize inconsistent voltage source like battery, solar panel and wind generator
RM4.80
  • Connetor Type: Dupont 1p Female to Female
  • Pitch: 2.54mm
  • Jumper Length: 30cm
  • Number of point: 40x1p
RM3.30
  • The is super strong magnet
  • Very useful for DIY projects
  • Rating: N35
  • Size: 5(D)x5(T) mm
  • Weight: 1g
RM0.70
  • Can be used to prevent reverse polarity problem
  • Protect Power electronic switches that are operating with high switching frequency.
  • Half Wave and Full Wave rectifiers
  • Used as a protection device
  • Current flow regulators
RM1.00
  • Good quality desoldering braid with unique no-clean flux
  • Pure oxygen-free copper wire
  • Excellent thermal transfer for faster, safer desoldering using lower temperature irons
  • High efficiency and save the electric repairing time
  • Increase the speed of cleaning the PCB pad
RM2.50
  • Three series of lithium battery protection board.
  • Automatically cancel protection after protection conditions restore.
  • With function of overcharge protection, over discharge protection, short circuit protection, over-current protection.
  • Suitable for lithium battery pack of 11.1V, 12V, 12.6V.
  • Quiescent current < 30uA, so power consumption is small.
RM8.90
  • Open-source
  • Interactive
  • Programmable
  • WI-FI enabled
  • USB-TTL included, plug&play
  • 10 GPIO, every GPIO can be PWM, I2C, 1-wire
  • FCC CERTIFIED WI-FI module(Coming soon)
  • PCB antenna
RM19.80
  • Operating Voltage: 5V.
  • PCF8574T Driver
  • Disable Backlight by jumper
  • Compatible with Arduino Board or other controller board with I2C bus.
  • Interface to HD44780 compatible LCD Modules with various screen size.
  • I2C Address:0x20-0x27(0x20 default).
  • Interface: I2C to 4bits LCD data and control lines.
  • Adjustable contrast.
RM3.40
  • Display Formate: 16 Character x 2 Line
  • Viewing Direction: 6 O’Clock
  • Input Data: 4-Bits or 8-Bits interface available
  • Display Font : 5 x 8 Dots
  • Power Supply : Single Power Supply (5V±10%)
  • Backlight: Blue
  • Controller: SPLC780C or equivalent
RM8.40
  • 100% brand new and high quality.
  • Can select cooling or heating working mode.
  • Set highest/ lowest upper limit temp to avoid accident.
  • Automatically start cooling or heating for constant temperature.
  • Temperature calibration, you can calibrate temp according to requirement.
  • High temp alarm, when measure temp reach to the setting temp, controller will alarm.
RM20.80
  • Glass cartridge
  • Fast Blow Type
  • Anti-surge
  • Low Breaking
RM1.50
  • Compatible with Arduino/Genuino UNO, Leonardo, Mega, 101 (Intel Curie), Micro, Nano, Mini
  • I2C Address:0x20-0x27(0x20 default)
  • Back lit (Blue with white char color)
  • Supply voltage: 5V
  • Interface:I2C/TWI x1,Gadgeteer interface x2
  • Adjustable contrast
  • Size:82x35x18 mm (3.2x1.4x0.7 in)
RM11.90
  • Size(approx.):40 x 40 x 12mm/40 x 80 x 12mm
  • Pagoda faucet diameter 9mm
  • Nozzle Length: 15mm
  • Weight(approx.):35g/50g
  • Internal fin thickness(approx.): 0.5MM
  • Internal flow channel extrusion forming
  • The leak rate of less than 5X10-6 mbar.l/s parts
  • Brazing parts into a whole
  • Processing: vacuum aluminum brazing
  • Surface treatment: silver oxidation
  • Applicable to 12706 Peltier computer CPU water, industrial inverter driver, head cooling, industrial control cabinet cooling.
  • Color: Silver
  • Material: Aluminum
RM10.60
  • The is super strong magnet
  • Very useful for DIY projects
  • Rating: N35
  • Size: 10(D)x10(T) mm
  • Weight: 6g
RM2.30
  • Type: Multilayer ceramic capacitor
  • Value available: 20pF, 22pF, 200pF, 220pF, 2.2nF, 22nF, 220nF, 2.2uF (Select in option)
  • Rated voltage: 50V
  • Contact pin pitch: 5.08mm
RM1.00