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This sensor is essentially a reed switch, encased in an ABS plastic shell. Normally the reed is 'open' (no connection between the two wires). The other half is a magnet. When the magnet is less than 13mm (0.5") away, the reed switch closes. They're often used to detect when a door or drawer is open, which is why they have mounting tabs and screws. You can also pick up some double-sided foam tape from a hardware store to mount these, that works well without needing screws.
+ GPS tracking, all in one? Oh yes! Introducing Adafruit FONA 808
Ring! Who's that callin'? It's your breadboard! Introducing Adafruit
is a great battery-backed real time clock (RTC) that allows your
Great for whenever you need to control medium to high-power electronics such as motors, solenoids, o..
2.5V rated maximum voltage. 630 Farads.
This datasheet covers the DL series, this is the ol..
This single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose micro switch..
When you need to amplify, filter, add, or otherwise manipulate analog signals you'll certainly want ..
Need to add analog inputs? This chip will add 8 channels of 10-bit analog input to your microcontrol..
As digital devices get smaller and faster, once ubiquitous 5 V logic has given way to ever lower-vol..
The MAX7219CNG is a compact, serial input/output common-cathode display driver that can interface mi..
These boost (step-up) voltage regulators generate higher output voltages from input voltage..
The compact (0.4″ × 0.5″) D24V5F6 synchronous buck voltage regulator takes an input voltage of up to..
These boost (step-up) voltage regulators generate higher output voltages from input voltages as low ..
This 5 V boost (step-up) voltage regulator generates higher output voltages from input vol..
D24V5Fx regulator family overview
These buck (step-down) voltage regulators generate lower output vo..
KWD 9.75 KWD 6.75
These boost (step-up) voltage regulators generate higher output
voltages from input volta..
These are good for reverse polarity protection (put it between your DC power jack and circuitry to ..
D24V5Fx regulator family overview
These buck (step-down) voltage regulators generate lower output v..
This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V ..
For more info checkout the datasheet:
To use, connect one side of the photo cell (either one, its symmetric) to power (for example 5V) and..
Description: Resistors are a good thing, in fact, they’re actually crucial in a lot of circuit desig..
KWD 4.75 KWD 3.75
The SN74HC595N is a simple 8-bit shift register IC. Simply put, this shift register is a device that..
Thermocouples are very sensitive, requiring a good amplifier with a cold-compensation reference. The..
KWD 21.00 KWD 18.00
The included power relay is an Omron G5LE-14-DC5 and is rated for up to 10 A under most conditions...
The Pololu basic 2-channel relay carrier modules make it easy to control two single-pole, double-thr..
These small single-pole, double-throw (SPDT) slide switches are rated for 300 mA at 50 VDC and have ..
The Pololu RC switch with Digital Output can be used with standard hobby radio control systems for r..
This RC relay enables easy control of large, electrically isolated loads in radio control (RC) syste..
Harnessing the power of the 8-core Propeller microcontroller is now easier than ever before. The bui..
This allows a microcontroller with an analog-to-digital converter (ADC), such as an Arduino&nbs..
Capacitance: 330 uFMaximum Voltage: 35 VHeight: 0.63" (16 mm)Diameter:..
This TI SN754410 motor driver features two H-bridges that can be used
for bidirectional control of ..
KWD 6.00 KWD 4.50
Pretty Standard copper-strip board for prototyping and general circuit soldering. 30 Lines with 48 h..
This single relay module can be used in interactive projects. This module uses SONGLE 5v high-qualit..
The DRV8825 stepper motor driver carrier is a breakout board for TI’s DRV8825 microstepping bipolar ..
This is a basic application module. You can simply plug it into an IO shield to have your first tast..
This sensor adopts TCS3200 programmable color light-to-frequency converter, it can be applied to col..
This latest IR remote control kit is comprised of mini super-thin IR remote control and 38HKz IR rec..
keyestudio JoyStick Shield adds an nRF24L01 RF interface and Nokia 5110 LCD interface, easy for game..
keyestudio CNC shield V3 is used as driving shield for engraving machines, fully compatible with UNO..
The DS3234 is a low-cost, extremely accurate SPI™ bus real-time clock (RTC) with an integrated tempe..
keyestudio GUVA-S12SD 3528 Ultraviolet Sensor is used to detect ultraviolet light. It includes GUVA-..
1. 5V Omron solid state relays 240V / 2A, output with resistive fuse 240V / 2A.2. Size: 57 * 55 * 23..
The AD8232 is an integrated front end for signal conditioning of cardiac bioelectrical signals to mo..
1. 5V Omron solid state relays 240V 2A, output with resistive fuse 240V 2A.2, the input power supply..
This miniature single-pole, double-throw (SPDT) momentary switch can be used as a general-purpose mi..
This breakout board will solve all your current-monitoring problems. Instead of struggling with a mu..
Lots of robot projects need joystick. This module provides an affordable solution. By simply connect..
Feature:1.Working Voltage : 5V(DC)2.Static current: Less than 2mA..
Using this device enables the use of Arduino code in a custom embedded project witho..
5x RED5x YELLOW5x BLUE5x GREEN..
The new generation 18 pin PICAXE microcontroller now has parallel tasking, touch sensors and more me..
PICAXE is a neat entry-level microcontroller system that is relatively cheap to get started with. Th..
PICAXE 28 pin microcontroller chip. Enhanced PICAXE28 chips with 8x memory and many additional featu..
This adjustable boost (step-up) voltage regulator generates higher output voltages (between 2 V..
The D24V22Fx family of step-down voltage regulators generates lower output voltages from input volta..
Input voltage: 4 V to 36 V for the version that outputs 3.3 VFixed 3.3 V, 5..
The SparkFun Load Sensor Combinator is a bare PCB that combines four load sensors into a standard fo..
An adjustable potentiometer can open up many interesting user interfaces. With this rotary potentiom..
A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control ..
KWD 3.00 KWD 2.50
KWD 0.75 KWD 0.45
This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons ar..
This is a 35mm concave momentary push button similar to the ones you find on arcade games. Simple sc..
Knobs are a great way to finish off your project and make it easier to adjust the level of your deat..
This is a standard 12mm square momentary button. What we really like is the large button head and go..
This single-pole, double-throw (SPDT) rocker switch makes a great on/off power switch. It is rated f..
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