MQ7 GAS SENSOR
- Operating Voltage: 3.3 – 5V.
- Type: Analog Sensor.
- Can detect the presence of carbon monoxide
- Heating voltage (high): 5V ± 0.1
- Heating voltage (low): 1.4V ± 0.1
- Load resistance: Adjustable
- Heating resistance: 33Ω ± 5%
- Heating time (high): 60 ± 1 seconds
- Heating time (low): 90 ± 1 seconds
- Heating consumption: About 350mW
- Using temperature: -20°C-50°C
- Storage temperature: -20°C-50°C
- Relative humidity: Less than 95%RH
- Oxygen concentration: 21%(stand condition) the oxygen concentration can affect the sensitivity characteristic
- Stable, long life and low cost
- Good sensitivity to Combustible gas in a wide range
HX 711 Module
- Differential input voltage: ±40mV (Full-scale differential input voltage is ± 40mV)
- Data accuracy: 24 bit (24 bit A / D converter chip.)
- Output Sensitivity: 1.0 ± 0.1 mV / V.
- Refresh frequency: 10/80 Hz
- Operating Voltage: 2.7V to 5VDC
- Operating current: <10 mA
- Recommended excitation voltage: 5-10V.
- Two selectable differential input channels.
- On-chip active low noise PGA with a selectable gain of 32, 64, and 128.
- On-chip power supply regulator for load-cell and ADC analogue power supply.
- Selectable 10SPS or 80SPS output data rate.
- On-chip oscillator requiring no external component with optional external crystal.
- On-chip power-on-reset.
- Simple digital control and serial interface: pin-driven controls, no programming needed.
- Simultaneous 50 and 60Hz supply rejection.
- Dimension: 24x16mm
DS1307 RTC MODULE
- DS1307 I2C real-time clock chip (RTC)
- Available in 8-pin DIP or SOIC
- Accessed via I2C protocol
- AT24C32 32K I2C EEPROM memory
- Bidirectional I2C interface.
- Hour:Minutes: Seconds AM/PM.
- Day Month, Date - Year.
- DS1307 based RTC with LIR2032 battery.
- 1Hz output pin.
- 56-byte non-volatile RAM for data storage
- 56 Bytes of Non-volatile memory for user
- The DS1307 is accessed via the I2C protocol.
- Consumes less than 500nA in battery backup mode with oscillator running
- Dimension: 27mm * 28mm * 8.4mm
IRF520 MOSFET DRIVER MODULE SENSOR
- Operating Voltage: 3.3v & 5v
- Digital level port
- Output load voltage: 0-24v
- Output load current: <5A
- The heat sink is added for currently more than 1A
- Compatible with Arduino, MCU, ARM, Raspberry pi
- PWM dimming LED used to step-less dimming, variable-speed motor
- Output PWM can be adjusted by the original IFR520 MOS
- Arduino can drive up to 24V, such as led lights, dc motors, miniature pumps, solenoid valves etc.
- Dimension:34*30*18mm
- Size: 10gm
4 Way Switch Box
Product Description
4 Way Switch Box will provide a safe and organized enclosure for multiple push buttons. A103689
10 Inch Spun Filter
KBPC3510 Bridge Rectifier 35A 1000V
- Maximum peak recurrent reverse voltage: 1000V
- Maximum RMS bridge input voltage: 700V
- Maximum DC blocking voltage: 1000V
- Maximum forward rectified output current: 35V
- Peak forward surge current 8.3 ms half sine-wave superimposed on rated load: 400A
- Maximum forward voltage drop: 1.1V (per elements at 17.5A DC)
- Maximum DC reverse current at rated DC blocking voltage per elements: 10µA
- Rating for fusing (I2T, t<8.3ms): 664 A2sec
- Operating temperature: -55℃ to 150℃
- High current capability
- Surge overload rating: 400A peak
- High Efficiency
- Low Power Loss
- Low reverse leakage current
- Electrically isolated Metal case for Maximum Heat Dissipation
- High case dielectric strength
PIC16F628A Microcontroller IC
- Maximum CPU Frequency: 20 MHz
- Architecture: 8 bit
- Program Memory (Flash): 3.5 kb
- RAM: 224 byte
- Internal Oscillator: 4 MHz
- ADC: No
- of Pins: 18
- Voltage: 2V - 5.5V
- Internal and external oscillator options:
- Power-saving Sleep mode
- Programmable weak pull-ups on PORTB
- Multiplexed Master Clear/Input-pin
- Watchdog Timer with independent oscillator for reliable operation
- Low-voltage programming
- In-Circuit Serial Programmingâ„¢ (via two pins)
- Programmable code protection
- Brown-out Reset
- Power-on Reset
- Power-up Timer and Oscillator Start-up Timer
- Wide operating voltage range (2.0-5.5V)
- Industrial and extended temperature range
- High-Endurance Flash/EEPROM cell:
- Standby Current: - 100 nA @ 2.0V, typical
- Operating Current: - 12 μA @ 32 kHz, 2.0V, typical - 120 μA @ 1 MHz, 2.0V, typical
- Watchdog Timer Current: - 1 μA @ 2.0V, typical
- Timer1 Oscillator Current: - 1.2 μA @ 32 kHz, 2.0V, typical
- Dual-speed Internal Oscillator: - Run-time selectable between 4 MHz and 48 kHz - 4 μs wake-up from Sleep, 3.0V, typical
