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Modules
compatible w/ Bluetooth 3.0/2.1
$6.10
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voltage adjustable
 
(1)
$2.32
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measurement range: DC 2.5~30V
 
(156)
$1.79
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Arduino compatible
$2.88
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PCB size 37.3mm*15mm / 4-8V / mini-USB port
 
(78)
$0.85
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works w/ official Arduino boards
 
(10)
$2.85
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5V input / over-discharge / over-current protection
 
(23)
$0.88
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DC 2.4-30V / red LED light
 
(3)
$5.35 5-pk
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3.3V TTL / bluetooth low energy / HM-10
 
(3)
$4.12
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$2.62
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1.5" LCD / DC 0-100V/0-10A measuring range
$6.24
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authentic / 0.5A / aging resistance / for mobile power testing
$1.69
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4Mbps serial / 8-pin connection / blue backlight
 
(3)
$2.42
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blue backlight / green board
 
(6)
$3.41
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AC 70-500V measuring range / green LED light / reverse polarity protection
$2.85
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37.9KHz frequency / 18m receiving range
 
(1)
$2.51 5-pk
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works w/ official Arduino boards
$2.81
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for DIY laser engraver / 12V / w/ case
$28.20
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authentic / blue LED light
$4.83
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decode function
 
(1)
$29.94
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DC 0-100V measuring range / red/yellow/blue/green LED light / ships one of each color
$4.89 4-pk
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compatible w/ Creality CR-10/CR-10 Mini/Ender 3/Ender 3 Pro/Ender 5 3D Printer
$4.82
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Galaxy w/ fan 25W / adjustable constant current / blue LED power indicator
$9.99
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3.3-5.5V input / voice prompt
 
(1)
$5.06
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1 channel
$5.40 10-pk
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0.96'' OLED display / 1*18650 / compatible w/ Arduino/NodeMCU
$11.96
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Arduino compatible / integrated dual-mode Bluetooth / supports sniffer+station+softAP+Wifi direct mode / 150Mbps data rate
$13.85
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w/ shell / work precise / power memory / alarm function
$10.03
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authentic
$99.70
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max. 10m transmission distance / dual channel output / can drive 4/6/8/10ohm speakers / DC 10~24V
$7.87
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authentic / 3.5mm AUX / micro-USB / support microSD card / Bluetooth V3.0/4.0/4.1
 
(1)
$5.35
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heart monitor + electrode wire + 3*electrode / 3.5mm jack
$11.74
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DC 2.4-30V
 
(1)
$5.04 3-pk
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bule backlight / green board
 
(4)
$6.62
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w/ microSD card slot for Arduino
$6.65
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