7.4 Lipo Battery Indicator Display Board
- High reliability, low cost and compact size.
- LED Flash for low charge warning.
- Memory option to recall the quantity of electricity.
- Specifically designed to monitor the power level of the battery while charging or discharging.
- Provides instant battery status to permit effective management of the charging.
- Display of 4 segments LED bar graph
- Easy to install and operate.
Delay Timer Switch Adjustable 0-10sec With NE555 Electrical Input 12V 10A
- Module based on the NE555 chip.
- Input voltage: DC 12V
- Adjustable time: 0-10 s
- AC Control voltage: 250V/max. 10A
- DC Control Voltage: 30V/max. 10A
- load: 2200W
- Precision Pulse Generation / Timing.
- Monostable Operation.
- Standby no power consumption
- Excellent temperature stability of 0.005%/°
- Time can be adjusted by a potentiometer, the default is 0-25 seconds
4 Bits Tube Led Display Module Four Serial for Arduino 595 Driver
- Display common anode for the four red LEDs.
- Digital tube 8 Gray Adjustable.
- Level control interface for 5V or 3.3V.
- 4 M2 screws positioning holes for easy installation.
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- Used for Electrical/Electronic projects.
- Dimension: 42X24X12mm
Digital LCD Indoor Temperature Humidity Meter Thermometer Hygrometer Gauge
- Material: Plastic
- Temperature range: -50 ° C to 70 ° C
- Measuring humidity range: 10% RH to 99% RH
- Humidity accuracy: 5%
- Moisture display resolution: 1% RH
- Accuracy of temperature: 1 ° C
- Operating voltage: 1.5 V or LR44 batteries (not included)
- Sampling period: 10 S
- Colour: Black
- Modern type indoor desk thermometer with hygrometer.
- One switchback of the thermometer that you can adust °C
- Ideal household decoration and ensure you the most desirable ambient temperature and humidity
- LCD dimension: approx. 40x22.5mm
- Dimension: approximately 48x28.5x15.2mm
Digital PAM8610 2*15w dual channel stereo class amplifier board 12V
Hi-link HLK-5M03 100-240 VAC to 5 VDC/3W Power Supply Module
- Meet UL, CE requirements,
- Ultra-thin, ultra-small
- Rated input voltage 100-240 VAc
- Input voltage range 90-264 VAc
- Maximum input current: 0.2 A
- Input current surge: 10 A
- Maximum Input voltage: 270 VAc
- Enter slow start:50 mS
- Input Low Voltage Efficiency Vin=110VAc,Output full-load?69 %
- Input High Voltage Efficiency Vin=220VAc,output full-load?70 %
- Long-term reliability: MTBF 100000h
- Load rated output voltage: +5±0.1
- Full rated output voltage: 5±0.2 VDc
- Short-term maximum output current: 1000mA
- The maximum output current for a long time: 600mA
- Voltage Regulation ±0.2 %
- Load Regulation ±0.5 %
- Low ripple and low noise
- Output overload and short circuit protection
- High efficiency, high power density
- Product designed to meet the requirements of EMC and Safety Test
- Low power consumption, environmental protection, no-load loss <0.1W
XBee Module S2C XB24CZ7WIT-004
- Protocol: ZigBee®
- Transceiver chipset: Silicon Labs EM357 SoC
- RF Standard: 802.15.4
- Frequency (ISM Band): 2.4GHz
- Digital I/O: 15
- ADC Channels: (4) 10-bit ADC inputs
- Data Rate: RF 250 Kbps, Serial up to 1 Mbps
- Range: Indoor 200 ft (60 m), Outdoor (LOS) 4000 ft (1200 m)
- Transmit Power: 3.1 mW (+5 dBm)
- Channels: 16 channels
- Encryption: 128-bit AES
- Voltage requirements: 2.1 to 3.6 VDC
- Current requirements: ~33 mA @ 3.3VDC (transmit), ~28 mA @ 3.3VDC (receive), <1 uA @25ºC (sleep)
- Migratable to Digi Mesh and ZigBee PRO protocols
- Configuration Method: API or AT commands, local or over-the-air (OTA)
- Communication: CMOS UART / SPI
- Dimensions: 27.61 x 24.38 x 4.06 mm
- Operating temperature range: -40 to +85 °C
- Integrated, Wire Antenna
- Interoperable with other ZigBee-compliant devices
- Programmable versions with on-board microprocessor enable custom ZigBee application development
- Supports binding and multicasting for easy integration into a home automation platform
- Through-hole form factor enables flexible design
434MHz/315Mz TX & RX
Transmitter
- Working voltage: 3V - 12V for max. power use 12V
- Working current: max Less than 40mA max , and min 9mA
- Modulation mode: ASK
- Working frequency: 433MHz
- Transmission power: 25mW
Receiver
- Working voltage: 5.0VDC
- Working current:≤5.5mA max
- Modulation method: OOK/ASK
- Working frequency: 433.92MHz
- Bandwidth: 2MHz
- Sensitivity: excel –100dBm (50Ω)
- Transmitting velocity: <9.6Kbps (at 315MHz and -95dBm)
ESP8266 ESP-12E
- LDR Light Sensor on board.
- WS2812 Led on board.
- Wireless Standard: IEEE 802.11 b/g/n protocol
- Frequency Range: 2.412 - 2.484 GHz
- Serial Transmission: 110 - 921600 bps, TCP Client 5
- SDIO 2.0, SPI and UART Interface available
- PWM available
- One ADC channel is available
- Programmable GPIO available
- Wireless Network Type: STA / AP / STA + AP
- Security Type: WEP / WPA-PSK / WPA2-PSK
- Encryption Type: WEP64 / WEP128 / TKIP / AES
- Network Protocol: IPv4, TCP / UDP / FTP / HTTP
- Operating Voltage: 3.3V
- Maximum current allowed to draw per pin: 15mA
- Power down leakage current of < 10uA
- Integrated low power 32-bit MCU
- Onboard PCB Antenna
- Wake up and transmit packets in < 2ms
- Standby power consumption of < 1.0mW
- Operating Temperature: -40ºC to +125 ºC
RFID EM18 125KHz RS232 Output
- Operating Voltage: 5V DC Supply
- Reading Distance: 6-10 cm.
- Read frequency: 125 kHz.
- EM4001 64 – bit RFID tag compatible.
- 9600bps ASCII output.
- Current : <50 mA
- Operating Frequency: 125 Khz
- This RFID Reader Module 125Khz is easy to use
- It is Low Cost
- It gives RS-232 and TTL Output
- Need a very less external component to drive
- TTL Level Compatible (Directly connected to the microcontroller)
- Small Buzzer & LED available to know about the card presence
- High-Quality PCB material & Original component only
- Dimension:32* 32* 8mm
NEMA 17 5.5 kgcm
- Step Angle : 1.8°
- Holding Torque : 5.5 KgCm
- Operating Voltage : 12 - 16 volts
- Supply Current (A) :1.5 Ampere
- Number of Leads : 6
- Inductance : 5.5 mH
- Resistance : 2.8 Ohms
- Weight (gm) : 363
- Detent Torque (kg-cm) : 2.6
- Frame Size (mm) : 42 x 42
- Inductance Accuracy : ±20%
- Resistance Accuracy : ±10%
- Step Angle Accuracy : ±5%
- Shaft Diameter (mm) : 5
- Shaft Length (mm) : 22
- Input pulse decides the rotation angle of the motor.
- High accuracy of around 3 to 5% a step.
- Provides good starting, stopping and reversing.
- Control of this motor is less costly because of exclusion of complex control circuitry.
- The speed is proportional to the frequency of the input pulses.
Solar Panel 9V 200mA
- Quality custom-design solar energy panel
- The solar cells are encased and protected by a durable outer poly frame
- Polycrystalline solar cells
- Max output power: 1.8W
- Max power voltage: 9V
- Max power current: 200mA
- Open circuit voltage: 10.8v
- Short circuit current: 220mA
- Small Epoxy Solar Panels are simple to install or add to your existing product.
- Construction requires no frame or special modifications
- Small space required for installation.
- Has 2 to 3 times the power of amorphous thin-film solar panels
- Ready to use, they require no frame or special modifications.
- For connection, just solder or crimp to the copper tape.
- Dimension: 11.5cm x 13.6cm x 3mm
- Weight 49gms