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Modules
3.3V TTL / bluetooth low energy / HM-10
 
(3)
$3.88
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DC 5V / 2cm-300cm
$2.40
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for smart home switch
$3.03
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5V input / over-discharge / over-current protection
 
(17)
$0.92
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LM2596S-ADJ / voltage adjustable switching
 
(34)
$1.22
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3-pin
 
(3)
$0.98
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works w/ official Arduino boards
 
(7)
$2.64
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blue backlight / LCD1602 protocol
 
(1)
$2.13
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5V-12V TTL Control Signal
 
(2)
$1.62
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for Arduino / support iBeacon
$4.35
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CP2102 chipset / w/ dupont cables
$2.30
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blue backlight / green board
 
(6)
$3.46
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measurement range: DC 2.5~30V
 
(151)
$1.87
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optocoupler isolation
 
(1)
$1.92
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DC 2.4-5.5V / 2cm-450cm
$3.41
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Arduino compatible / w/ 175mm jumper wire
$3.55
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authentic / w/ 2-row pin header
$5.76
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authentic / 3.5mm AUX / micro-USB / support microSD card / Bluetooth V3.0/4.0/4.1
 
(1)
$4.94
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4-key remote control / self-locking/momentary/interlock working mode
$9.68
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reverse polarity protection / 20*kinds of functions
$6.64
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for Arduino / USB port
$8.28
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DC 2.4-30V / red LED light
 
(2)
$4.97 5-pk
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DC 3-35V to DC 3.5-35V / 4-40V measuring range
 
(1)
$5.36
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1 channel
$5.23 10-pk
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32-bit / support Arduino programming
$6.59
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home security monitor / 802.11n / support 32GB microSD / US
$15.22
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for DIY laser engraver / 12V
$23.45
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constant voltage current step-down communication
$47.60
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authentic / temperature control / USB input / power bank tester / LCD display
$15.24
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w/ shell case
 
(1)
$11.71
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w/ 50cm USB cable
$28.56
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support Google Earth
$10.30
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authentic
$29.89
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authentic / ADXL345 accelerometer + ITG3200 gyro + HMC5883L compass + BMP085 pressure sensor
$31.80
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w/ built-in full color drive
$9.95
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DC 6.5-100V / LCD display / overload alarm / backlight
$8.90
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AC 80-260V / four full-window display / w/ closed type CT&USB cable
$14.45
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authentic / numerical control / w/ integrated voltmeter & ammeter
$25.84
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night vision
$20.98
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