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Here is a motor speed sensor module, the major goal is to check the rate of an electric motor. The module can be used in association with a microcontroller for motor speed detection, pulse count, position limit, etc. In principle, any rate meter simply measures the rate at which some event occurs. Usually this is done by counting the events for a given period of time (integration interval) and then simply dividing the number of events by the time to get the rate. -
This is a 12V 1-Channel Relay interface board which can be controlled directly by a wide range of micro controllers such as Arduino, AVR, PIC, ARM, 8051 and so on. It can control both AC and DC appliances such as Solenoids, Motors, lights, fans, etc High quality screw terminals (Terminal Block) provided (C, NC , NO) for quick and easy connection LED Status indicators to indicate the relay ON/OFF status. -
The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year information. Only three wires are required to communicate with the clock/RAM: CE, I/O (data line), and SCLK (serial clock). Data can be transferred to and from the clock/RAM 1 byte at a time or in a burst of up to 31 bytes. The DS1302 is designed to operate on very low power and retain data and clock information on less than 1μW. The DS1302 has dual power pins, one for primary and another for backup. -
- Input: DC 3V to 40V (input voltage must be higher than the output voltage to 1.5v above can not boost)
- Output: DC 1.5V to 35V voltage continuously adjustable, high-efficiency maximum output current of 3A.
- Features: All solid capacitors, the 36u thickening circuit boards, high-Q inductance with output value of high-power LED indicator
- Dimensions: 45 (L) * 20 (W) * 14 (H) mm (with potentiometer)
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he 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation, and oscillator applications. The 555 can be used to provide time delays, as an oscillator, and as a flip-flop element. Derivatives provide up to four timing circuits in one package. Introduced in 1971 by Signetics, the 555 is still in widespread use due to its ease of use, low price, and stability. It is now made by many companies in the original bipolar and also in low-power CMOS types. This module is use as a square-wave signal generator. It generates square wave signals used for experimental development. It also generates square wave signal driving motor drive. With adjustable pulses generated for use by the MCU and adjustable pulse control related circuits. -
- Can detect flame or wavelength of light source within 760nm~1100nm.
- Lighter flame detect distance 80cm.
- Greater the flame, farther the test distance.
- Detect angle: 60 degree, very sensitive with flame spectrum.
- The sensitivity is adjustable.
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The DS1990A serial number IButton is a rugged data carrier that serves as an electronic registration number for automatic identification. Data is transferred serially through the 1-Wire protocol, which requires only a single data lead and a ground return. Every DS1990A is factory lasered with a guaranteed unique 64-bit registration number that allows for absolute traceability. The durable stainless-steel iButton package is highly resistant to environmental hazards such as dirt, moisture, and shock. Its compact coin-shaped profile is selfaligning with mating receptacles, allowing the DS1990A to be used easily by human operators. -
A basic 16 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to 'scan' the 8 output pins to see which of the 16 buttons is being pressed.Description
- Weight: 10 grams
- Keypad dimensions: 50mm x 44mm x 1.6mm
- 8-pin 0.1" pitch connector
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The KY017 is a mercury tilt switch that allows you to detect the tilt of your object so that you can take the appropriate action. It is a nice low cost alternative to a 6 axis accelerometer. When strategically adjusted or situated, it can be very sensitive. The key to using this switch successfully is in understanding the two operational states. -
Just like a joystick on game console. you can control x, y and z dimensions input by this joystick module. It can be considered as combination of potentiometers and one button. Data type of the x, y dimensions are analog input signals and z dimension is digital input signal. thus the x and y ports connect to analog pins of Sensor Shield, while z port connects to digital pin. When using, it can connect with Arduino sensor shield,and connect Arduino corresponding pins through Arduino sensor cables. -
Description: -Color: red. -Main chip: LM393. -Operating voltage: DC 5V. -Light weight design. -With single channel signal output. -Low level output signal used for human body touch sensor alarm. -Compatible with Arduino. -
Highlights:The whole network smallest adjustable boost module can be easily installed in a variety of small equipment.The module supports MicroUSB input,using a USB charger or mobile power supply can easily get the voltage of 9V, 12V, 15V, 18V, 24V.It easy to use.Wide input and output voltage range and high conversion efficiency.Features:1. Maximum output current: 2A (recommended for using within 1A).2.Input voltage: 2 v ~ 24 v.3. Maximum output voltage:> 28 v (recommended for using within 26V).4. Efficiency:> 93%.5. Size: 30mm * 17mm * 14mm (L * W * H). -
Specification: -Voltage: 3.3V. -It's for 8 Pin NRF24L01 Module. -A simple socket board which is for NRF24L01 wireless module. -On-board AMS1117-3.3 chip. -It can be used with NRF24L01 wireless module. -Dimension: 26 x 19 x 12mm. -
In = 2-24V / Out = 5-28V @ 2A Switching Regulator (Boost = Output Voltage has to be higher than input voltage), Good for getting stable 3.3V or 5V output from 1xAA or 2xAA or Li-ion batteries. Specifications: -2V to 24V input voltage with output boost 5V to 28V adjustable. -Maximum output current: 2A. -Input voltage: 2V ~ 24V. -Maximum output voltage: > 5V - 28V. -Efficiency: > 93%. -Input voltage should not exceed the maximum input voltage. -Peak current output current should not more than 2A. -Output voltage should always be higher than Input voltage. -PCB Size: 36 mm * 17 mm * 14 mm. -
Feature: *Operating voltage: 5V. *On-board MAX485 chip. *A low power consumption for the RS-485 communication. *Slew-rate limited transceiver. *5.08mm pitch 2P terminal. *Convenient RS-485 communication wiring. *All pins of chip have been lead to can be controlled through the microcontroller. *Board size: 44 x 14mm. -
Dry reed pipe needs and magnet is used together, in the induction to have certain magnetic, a conducting state, module output low level, no magnetic, is off state, output high level, dry reed pipe and magnetic induction distance within in 1.5 cm beyond insensitive or will not trigger phenomenon. Module DO output end of the single chip microcomputer can I/O port directly connected, through the single chip microcomputer can detect dry reed pipe state trigger. Module DO output end and relay IN end connected to form high power dry reed pipe switch, direct control high voltage.
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