3S BMS BOARD 25A
- Charging Voltage: 12.6V DC CC/CV
- Balance Voltage for Single Cell: 4.2V
- Max Continuous Charge/Discharge Current: 25A
- Overcharge voltage range: 4.25-4.35v + 0.05v.
- Over discharge voltage range: 2.3-2.7v + 0.05v.
- Operating current: 0 – 25A.
- Operating temperature: -40 – +50℃.
- Instantaneous current: 35 – 40A.
- Storage condition: -40 – +80℃.
- Quiescent current: less than 30uA.
- Balance current: about 40 – 50mA.
- Effective life: more than 30000 hours.
- Internal resistance: less than 100m ohms.
- Short-circuit protection: protection, delayed self-recovery.
3W LED Module High-Power with PCB Chassis for Arduino STM32 AVR
- Type: LED High Power Board
- Forward voltage: 3.3 – 3.6 V
- Reverse voltage: 5V
- Power: 3W
- Viewing angle: 180°
- Mainly Compatible with: Arduino
- 3W LED High Power Board for Indoor / Outdoor Display
- Colour temperature: Warm White 3000-3200K / white 6000-6500K
- Forward current: 700MA
- Luminous flux: White 180-200LM (lumens) , Red 90-100LM (lumens) , Green 80-90LM (lumens)
- Long life
- small size
- Material: PCB
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
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
4 CHANNEL 5V RELAY
- 4-Channel relay interface board
- Operating voltage range: 3.3V to5V
- Maximum current: 10A
- Supply current: 20 mA
- High current relay of 10A @250 V AC/10A@ 30V DC
- Control signal: TTL level
- For quick and easy connection high-quality screw terminals provided
- Pull-down circuit to avoid malfunction
- Power supply indicator
- Can control both AC & DC appliances such as DC motors, solenoid valves, lamps, etc.
- LED status indicates relay ON/OFF state.
- Standard interface that can be controlled by a microcontroller (Arduino, 8051, PIC, AVR, DSP, ARM)
- For easy accessibility input signal pin connected to burg sticks
- Operating temperature: -40 to 85 degrees Celsius
- Dimension: 76*56*17mm
- Weight: 7gm
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
4 Series 30A 18650 Lithium Battery Protection Board 14.8V 16V with Cable
- For the successful start of the drill, it requires three 15C-20C power battery, or six 10C-15C power batteries (ordinary 18650 cannot start the drill!!)
- Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V, do not deliberately short circuit.
- Overcharge protection,
- Over-discharge protection function, short circuit protection function,
- Overcurrent protection function, band balance.
4 Series 40A 18650 Lithium Battery Protection Board 14.8V 16.8V with Balance for Drill Motor Lipo Cell Module
- For the successful start of the drill, it requires three 15C-20C power battery, or six 10C-15C power batteries (ordinary 18650 cannot start the drill!!)
- Strictly according to map wiring 0V, 4.2V, 8.4V, 12.6V, 16.8V, do not deliberately short circuit.
- Overcharge protection,
- Over-discharge protection function, short circuit protection function,
- Overcurrent protection function, band balance.
4-axis Flight Control Sensor HMC5883L BMP085 MWC GY-651
- Model: GY-651
- Use the chip: HMC5883L + BMP085
- Power supply:3-5v (internal low dropout regulator)
- Size: 13.5mm * 15.8mm (pin spacing standard 2.54mm)
- Communication modes: standard IIC communication protocol
- Magnetic field range: ± 1.3 to ± 8.1 gauss
- Pressure range: 300-1100hPa
- Chip 12bit AD converter, 16-bit data output Machine welding process to ensure quality
- Size: 18mmx14mm
4*3 MATRIX KEYPAD
- Operating voltage: 12V DC
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Ultra-thin design
- Adhesive backing provides easy integration
- Easy communication with any microcontroller
- Flexible
- Only 7 microcontroller pins required to access 12 keys
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
4*4 MATRIX KEYPAD
The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm