X9C104 Digital Potentiometer Module
LM358 100 Times Gain Amplification Module Operational Amplifier Module
- On-board LM358 Chip
- 100 times gain circuit design
- On-board LM358 chip
- On-board 10K adjustable resistor, could adjust amplifier times
- On-board power indicator lamp
- All pins lead, directly Input/output signals
- Working voltage: 5V-12V DC
- The chip has led major pin can be directly input and output signals.
- PCB size: 32.7mm x 13.3mm
MAX485 TTL TO RS-485 MODULE
- Operating voltage: 5V
- On board MAX485 chip
- Slew rate limited transceiver
- All the pins of the chip are controlled by the microcontroller
- use differential signalling for immunity
- 120R terminating resistor
- Power LED indication
- Distances up to 1200 meters
- Use differential signalling for noise immunity
- Speeds up to 2.5Mbit/Sec
- Multi-drop supports up to 32 devices on the same bus
- Low power consumption
- On-board 5.08mm pitch 2P terminal to facilitate RS-485
- DIMENSION: 44*14mm
MICRO SD CARD ADAPTER
- Support Micro SD (<=2G), Micro SDHC cards(<=32g)
- Operating voltage: DC 2.6 V to 3.6V
- Quiescent current: 16 μA
- Support playing of 4-bit ADCPM format
- Support FAT files system SD carrier
- Recognize voice files automatically
- Support microprocessor and key control
- Audio output: 16bit DAC and PWM
- Maximum voice storage: 512 voice
- The level conversion circuit board that can interface level is 5V or 3.3V
- Communication interface is a standard SPI interface
- The power supply is 4.5V~5.54V, 3.3v
- Dimension: 4.1*2.4CM
MQ3 Module
- Interface Type: Analog & Digital
- Working voltage: DC 5V
- Working Current: 150mA
- DOUT: TTL output
- AOUT: Analog output
- Preheat time: Over 20s
- Detection Range: 0.05 mg/L to 10 mg/L
- Sensitive to Alcohol, Benzine, CH4, Hexane, LPG, CO
- High Sensitivity to Alcohol & small sensitivity to Benzine.
- Digital Out is High or Low based on an adjustable preset threshold,
- Stable & Long Life.
- Onboard Power indication
- The TTL output signal is a low level
- Analog 0 ~ 5 v voltage output, the higher the concentration, the higher the voltage
- Fast response and recovery
- Adjustable sensitivity
- Dimension: 32mm x 22m x 27mm
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.
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.
4 Channel 5V Relay Module Shield For Arduino
- Product Type: 4-Channel relay module
- Dimensions: 75 mm x 55 mm x 19.3 mm
- Weight: 61 g
- Relay colour: Blue
- PCB colour: Blue
- Maximum output of relay: AC250V 10A and Dc30V 10A
- Number of Relays: 4
- Control signal type: TTL level
- Input voltage: 5v
- Compatible with: Arduino, AVR, PIC, ARM, Raspberry Pi etc
- Package contains: 1 piece of 4 channel relay module
MOTOR SHIELD L293
- 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.
- Up to 4 bi-directional DC motors with individual 8-bit speed selection (so, about 0.5% resolution)
- Up to 2 stepper motors (unipolar or bipolar) with single coil, double coil, or interleaved stepping.
4 CHANNEL 12V RELAY
- 4-Channel relay interface board
- Relay input voltage: 12V DC
- Relay output: 5A/250V AC
- Signal input:5V DC from the microcontroller
- High current relay of 10A @250 V AC/10A@ 30V DC
- For quick and easy connection high-quality screw terminals provided
- Can control both AC & DC appliances such as DC motors, solenoid valves, lamps, etc.
- LED status indicates relay ON/OFF state.
- Power battery terminal for relay output and aux power connection
- Standard interface that can be controlled by a microcontroller (Arduino, 8051, PIC, AVR, DSP, ARM)
- Relay can directly control all equipment’s and loads
- For easy accessibility input signal pin connected to burg sticks
- Dimension: 165*65*1mm
- Weight: 7gm