- Product: Fluorescent oxygen sensor AOX4000
- Working Voltage (V): 4.75~5.25
- Oxygen Concentration Range: 0~25%
- Oxygen Partial Pressure Range: 0~300m bar
-18%
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3.5-5.5V Standard Active Buzzer Module For Arduino
A Standard Active Alarm Module for Arduino is an audio signaling device, which may be mechanical, electromechanical, or piezoelectric. This PCB Mounted Active Buzzer Module can produce a range of sound tones depending on the input frequency, i.e it can generate tones between 1.5 to 2.5 kHz by switching it on and off at different frequencies either using delays or PWM.An active buzzer rings out as long as it is electrified. Compared with a passive buzzer, it is a bit expensive but easier to control. Typical uses of buzzers include alarm devices, timers, and confirmation of user input such as a mouse click or keystroke.This module is ideally suited to adding noise to your project and is compatible with a pin pitch of 2.54mm while functioning with microcontrollers such as the Arduino. This module lets you respond to programmatic changes with a lovely annoying buzzer that can be altered over a range of frequencies to ensure maximum irritation. To operate the I/O pin must receive a square wave to trigger the buzzer. This can be produced within all popular microcontrollers.Specification:- Working voltage: 3.5-5.5V
- Working current: <25mA
- PCB Dimension: 1.85 x 1.5 cm (L x W)
Feature:
- An active buzzer with a concussion internal source- so long as it will be called an energized
- The program easy to control- SCM can let a high-low sound- while passive buzzer did not.
- The Transistor drive module uses 8550
- With fixed bolt hole- easy installation- 2.6mm aperture.
Package included:
1 x Standard Active Buzzer ModuleSKU: n/a -
DIY Learning and Robot Kits, Electronic Modules, Sensors
Arduino Uno with LCD and Keypad
Arduino UNO-based kit provides an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. It contains all of the essential components required to start programming with the Arduino Uno board.
This combo includes Arduino Uno with cable, 4×4 membrane keypad, 16×2 LCD Display, 3 types of Jumper Wires.
Arduino Uno R3 Compatible Board is a microcontroller board that is based on the ATmega328. Arduino Uno has 14 digital input or output pins(where 6 can be used as PWM outputs), 6 analog inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header, and a reset button. It has everything needed to support the microcontroller, you need to simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.
LCD1602 Parallel LCD Display provides a simple and cost-effective solution for adding a 16×2 White on RGB Liquid Crystal Display into your project. The display is 16 character by 2 line display that has a very clear and high contrast.
Matrix Keypad 4 X 4 has 16 buttons, arranged in a telephone-line 3×4 grid with a column of 4 characters (A, B, C, and D). The keys are connected into a matrix, hence only 8 microcontroller pins (4-columns and 4-rows) are required to scan the pad.
Applications:
- Security System
- Calculator
- Device Control
SKU: n/a -
Sensors
Infrared Obstacle Avoidance IR Sensor Module With LED Indicators – LM393 Chip – Proximity Sensor – Pack Of 3
-56%
SensorsInfrared Obstacle Avoidance IR Sensor Module With LED Indicators – LM393 Chip – Proximity Sensor – Pack Of 3
- Infrared Obstacle Avoidance IR Sensor Module (Active Low) contains a pair of infrared transmitting and receiving tubes. When the transmitted light waves are reflected back, the reflected IR waves will be received by the receiver tube. The onboard comparator circuitry does the processing and the green indicator LED comes to life.
- Mounting hole | Adjustable Range Detection | LED Indicators | Built-in Ambient Light Sensor | Infrared transmitting and receiving tubes | Onboard comparator circuitry | Easy to assemble | Easy to use
- LxWxH : 48 x 14 x 8 mm
- The IR sensor module can be widely used for robot obstacle avoidance, obstacle avoidance car assembly line count, black-and-white line tracking and many other occasions. This sensor module can be used for obstacle detection in autonomous robots and cars, in positional feedback for control system, industrial safety system, wheel encoder etc.
- Main Chip : LM393 Operating Voltage (VDC) : 3.6 ~ 5 Average Current Consumption (mA) : 0.06 Detection Angle : 35 ° Distance Measuring Range : 2 – 30 cm
SKU: n/a
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