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Photo Interrupter GP1A57HRJ00F Breakout Board
$2.35  
4 pc(s)
A simple breakout PCB for the GP1A57HR photo interrupter. This PCB has three connections for PWR, GND, and Signal. When the gate is clear, SIG will be high (>4.9V). When the gate is blocked by a finger, writing utensil, food pellet, or anything else - SIG will go low (<0.4V)....
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-20%
RFID Tag - 125kHz
$2.35 $2.95  
19 pc(s)
RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different applications. This basic RFID tag works in the 125kHz RF range and comes with a unique 40-bit ID. It is not re-programmable. This blank, smooth, and mildly...
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ESP8266 WiFi Module Breakout Board
$2.40  
30 pc(s)
This ESP8266 WiFi Module Breakout Board allows you to take the dual row header of the ESP-01 and make it breadboard friendly. This board comes with the header and decoupling capacitor presoldered, but requires you to solder on the male pins. NOTE : ESP8266 WiFi Module not included.
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25mm Delrin Plastic Ball Bearings For Jetbot
$2.45  
35 pc(s)
Delrin ball bearings are made of a composite material well-suited for low- to moderate-load applications. This 25mm ball bearings is specially sourced for the Nvidia Jetbot. Dimensions: 25mm diameter
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DC Barrel Jack Adapter - Male
$2.50  
36 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution.
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Photo Interrupter Module (T-Shape)
$2.50  
5 pc(s)
This Photo Interrupter Module is widely used in motor speed detection, pulse count, the position limit, etc. It will trigger a signal when light between the sensor's gap is blocked. It works with 3.3V to 5VDC, and gives a HIGH on DO pin when the beam is blocked, and a LOW output when...
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-31%
Illuminated Capacitive Switch Module - Red
$2.50 $3.60  
1 pc(s)
This Illuminated Capacitive Switch Module feature an innovative method of combining the benefits of capacitive switching with colour back lighting. The backlit switching solution allows makers to prototype and evaluate HMI designs without the need to develop custom capacitive sensors and back...
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USB mini-B Cable - 30cm
$2.50  
4 pc(s)
This is the standard A-miniB USB cable, for USB 1.1 or 2.0. Perfect for connecting a PC to your USB Hubs, FTDI Breakout Board and USB Lipo charger w/Mini B connector, among other things. Dimensions: 30cm
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DC Barrel Jack Adapter - Female
$2.50  
4 pc(s)
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.
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Rotary Encoder Breakout
$2.50  
Out-of-stock
The rotary encoder is a rotary input device that provides an indication of how much and in which direction the encoder has been turned. This 20-pulse Rotary Encoder Breakout has a nice 'clicking' feel and also has a push-button built into it so you can press onto the knob to close a separate...
Out-of-stock
3-Blade Nylon Boat Propeller - 40mm Diameter
$2.50  
11 pc(s)
Small fiber reinforced nylon propeller for boat, 3 blades and 40mm in diameter. It push fits directly onto our toy DC motor . Dimensions : Ø40 x 18.5mm Center bore：1.9 mm
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Water Sensor - Large
$2.50  
2 pc(s)
This water sensor is designed to detect water, which can be used to sense water level and leakage. It works by using exposed copper traces to detect the presence of water droplets. The sensor board has a sensing area of 47 x 36mm. The on-board potentiometer is used to set the threshold for...
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