L293D Motor Driver Shield
- L293D motor driver chip & 74HC595 shift register
- Four H-bridges
- Terminal blocks and jumper to connect external power, for separate logic/motor supplies
- Up to 4 bi-directional DC motors with individual 8-bit speed selection
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil or interleaved stepping.
- 2 connections for 5V ‘hobby’ servos connected to the Arduino’s high-resolution dedicated timer
- 4 H-Bridges: L293D chipset provides 0.6A per bridge (1.2A peak) with thermal shutdown protection, internal kickback protection diodes. Can run motors on 4.5VDC to 25VDC.
- Pull-down resistors keep motors disabled during power-up
- Big terminal block connectors to easily hook up wires (18-26AWG) and power
- Arduino reset button brought up top
- Tested compatible with Arduino Mega 1280 & 2560, Diecimila, Duemilanove, and UNO
- PCB Size: 69 x 53 mm
Magnetic Door Open Sensor – N/C Type
- Max Voltage: 100V DC
- Max Rated power: 10W
- Sensing Distance: 15-25mm
- Wire lead: 24 Awg, about 350mm long
- Rated Current: 100mA
- Connecting mode: N.C. (Normally closed)
- Easy to install
- Strong concealment
- Magnetic sensor alarm, control the switch of the circuit via the built-in magnet
- Alarm when someone intrudes into your places
- Can be used in places like apartments, hotels, offices, etc.
- Ideal for residential or commercial use.
- Designed to do embedded in the door or window frame.
- Dimension: approx. 27 x 14 x 8mm
MPR121
- Connection Interface: I2C.
- Operating Voltage: 2.5-3.6 VDC
- Application: Capacitive Touch Sensor Controller
- Number of touches inputs:12
- Capacitive touch sensor controller is driven by an I2C interface.
- Can control up to twelve individual electrodes, as well as a simulated thirteenth electrode.
- Eight LED driving pins.
- Connection to the microcontroller /microprocessor via I2C bus.
DS18B20 PROBE
- Usable temperature range: -55 to 125°C (-67°F to +257°F)
- 9 to 12-bit selectable resolution
- Uses 1-Wire interface- requires only one digital pin for communication
- Unique 64 bit ID burned into a chip
- Multiple sensors can share one pin
- ±0.5°C Accuracy from -10°C to +85°C
- Temperature-limit alarm system
- Query time is less than 750ms
- Usable with 3.0V to 5.5V power/data
- Each pin uses a heat-shrinkable tube to prevent short circuit, internal sealing glue.
- Stainless steel tube encapsulation waterproof moistureproof prevents rust.
- Stainless steel tube 6mm diameter by 30mm long.
- Contains DS18B20 temperature sensor.
- Uses 1-Wire interface- requires only one digital pin for communication.
- Unique 64 bit ID burned into the chip.
- Multiple sensors can share one pin.
- Temperature-limit alarm system.
- Without the external components, the unique single bus.
MQ-9 Carbon Monoxide, Methane and LPG Gas Sensor Module
- Input voltage: DC 5V
- Power: 150mA
- DO output: TTL digital 0 and 1 (0.1 and 5V)
- AO output: 0.1-0.3V (relatively clean), the highest concentration voltage is about 4V.
- Suitable for home or factory gas leakage monitoring devices.
- Have better sensitivity to Carbon Monoxide, Methane and LPG Gas.
- High quality dual-panel design, with power indicator and TTL signal output instructions.
- DO switching signal (TTL) output and AO analog signal output.
- TTL output valid signal is low. (When the output low signal is on, it can be directly connected micro-controller or relay module.)
- Analog output voltage: the higher concentration, the higher voltage.
- Four screw holes, easy positioning.
- Long life and stability, quick response and resume.
ATtiny85 Arduino-enabled Mini USB Dev Board
- Support for the Arduino IDE 1.0+ (OSX/Win/Linux)
- Power via USB or External Source
- Onboard 5V Regulator
- Built-in USB
- 6 I/O Pins
- 8k Flash Memory (about 6k after bootloader)
- I2C and SPI (vis USI)
- PWM on 3 pins (more possible with Software PWM)
- 10-bit ADC
- ADC on 4 pins
- Power LED and Test/Status LED
- Low Power Consumption
- Active Mode:1 MHz, 1.8V: 300 µA
Tilt Sensor / Vibration Sensor
Mini LCD Digital Thermometer Sensor Wired for Room Temperature
- Temperature Range: -50 to +110°C
- Temperature Display Resolution: ±0.1
- Temperature Measurement Accuracy: 1°C
- Cable Length: 1 Meter
- Easy to use, small, and handy module.
- Module powered by a pair of LR44 button batteries.
- Display Size: 34 x 15 mm
- Dimension: 46 x 26 x 15 mm
- LCD Digital Thermometer for Aquarium Freezer H155 New modelling is simple, elegant.
- LCD panels connections online, moisture-resistant, strong anti-interference
50Kg Pressure Micro Scale Weighing Sensor
- Capacity : 50.kg
- Output Sensitivity (mv/v): 1.0±0.1.
- Nonlinearity (%FS): 0.03.
- Repeatability (%FS): 0.03.
- Input Resistance: 1000. Ω
- Insulation Resistance : ≥5000.MΩ
- Alloy Steel wired weighing load cell
- High Accuracy
- Simple Structure & Easy Installation.
- Internal 1000 Ω half-bridge strain gauge load cell, the range is 50kg, half-bridge structure
- You can use multiple load sensors simultaneously to increase the capacity range, Parallel use to add additional capacity.
ESP8266 ESP-12F
- Communication interface voltage: 3.3V
- Working current: 240mA(MAX)
- Serial port baud rate: 115200 (default), can be modified to other values by AT command
- Serial communication format: 8N1
- Wireless Network Mode: station / softAP / SoftAP + station
- Wireless criteria: 802.11 b / g / n
- WIFI @ 2.4 GHz, support for WPA / WPA2 security mode
- +19.5dBm output power
- Compatible with ESP-12（ESP-202）
- It is very easy to develop projects with AT commands
- Surface Mount Package with 2mm Pitch Pads
- Mulitple GPIO’s for all your sensor needs
- Integrated TCP/IP protocol stac
- Integrated TR switch, balun, LNA, power amplifier and matching network
- Integrated PLL, regulators, DCXO and power management unit
- Power down leakage current of <10uA
- Integrated low power 32-bit CPU could be used as an application processor
- SDIO 1.1/2.0, SPI, UART
- STBC, 1×1 MIMO, 2×1 MIMO
- A-MPDU & A-MSDU aggregation & 0.4ms guard interval
- Wake up and transmit packets in < 2ms
- Standby power consumption of < 1.0mW (DTIM3)
- Both SMD and Inline package are available, and the pin pitch is 2.0mm.
MQ3 Sensor
- Operating Voltage: 5V ±0.1
- Detecting Concentration: 0.05-10mg/L Alcohol
- Current Consumption : 150mA
- Operation Temperature : -10°C ~ 70°C
- Heater consumption: less than 900mW
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Easy SIP header interface
- Compatible with most of the microcontrollers
- Low-power standby mode
- Requires heater voltage
- Good sensitivity to alcohol gas
- Fast response and High sensitivity
- Requires simple Drive circuit
- Dimensions: 32 x 22 x 16 mm