Raspberry pi 4 case – acrylic clear
- 6-piece Acrylic case with access to all Ports on pi 4
- Compatible for All variants of the Raspberry pi 4 Model B
- Easy to assemble without any Screws or Nut-Bolts
- Slots to route GPIO and CSI ribbon cable
- Cut-out for micro SC card at the bottom panel
- Mounting holes and anti-slip rubber feet at the back.
DB9 Female screw Terminal to RS232 RS485 Conversion Board
- Perfect for experimentation and prototype work
- Brings all 9 pins of a DB9 connector to screw terminal blocks
- Adapter used for communication debug
- 9 pcs signal line was all lead out, name and number clearly labelled
- All-copper DR9 seat, anti-oxidation, better contact
- Military board, three anti-paint sprays an entire board, corrosion-resistant
- Terminal spacing 3.96MM, screw hole diameter 2MM, need to use a width of 2MM screwdriver for assembly
- Use of environmentally friendly copper terminals, through IS0-9001.
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.
Joystick Shield
Arduino CNC Shield v3 Engraving Machine/3D Printer/A4988 driver GRBL compatible
- Coolant enable
- Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825, and others) (Not Included)
- Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
- Compact design.
- Stepper Motors can be connected with 4 pin Molex connectors or soldered in place.
- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
- Latest Arduino CNC Shield Version 3.10
- GRBL 0.9 compatible. (Open source firmware that runs on an Arduino UNO that turns G-code commands into stepper signals)
- PWM Spindle and direction pins
- 4-Axis support (X, Y, Z, A-Can duplicate X, Y, Z or do a full 4th axis with custom firmware using pins D12 and D13)
- 2 x End stops for each axis (6 in total)
HC-06 Bluetooth Module
- Input Supply voltage: 3.6 - 6V
- Input current: 50 (mA)
- Maximum Operating Range: 10m
- Operating Frequency: 2.4GHz ISM band
- Modulation: GFSK (Gaussian Frequency Shift Keying)
- Emission power: 4dBm, Class 2
- Sensitivity: -84dBm at 0.1% BER
- Operating Temperature: -20 ~ +75 degree C
- Potter default rate of 9600, the user can be set up.
- Bluetooth protocol: Bluetooth Specification v2.0+EDR
- Speed: Asynchronous: 2.1Mbps (Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
- Security: Authentication and encryption.
- Profiles: Bluetooth serial port.
16×2 (1602) LCD Keypad Shield
- Operating Voltage:5V
- 5 Push buttons.
- RST button to reset Arduino program.
- Integrate a potentiometer for adjusting the backlight.
- Expanded available I/O pins.
- Blue light with white characters.
- Uses 4 Bit Arduino LCD Library
- Screen contrast adjustment
- Arduino Reset button
- The keypad consists of 6 keys select, up, right, down, left and reset.
- To save the digital IO pins, the keypad interface only uses one ADC channel.
- The key value is read out through a 5 stage voltage divider.
MCP2515 CAN Module TJA1050 Receiver SPI 51 Single Chip Program Routine Arduino
- Input Supply voltage: 5V
- Input Supply Current: 5 mA
- Support CAN V2.0B technical standard, communication rate 1Mb / S.
- 0 to 8 bytes long data field.
- 8MHZ crystal oscillator
- 120Ω terminal resistance
- Use High-speed CAN transceiver TJA1050
- SPI control for expanding Multi CAN bus interface
- Using serial port could view the communication data
- With the independent key, LED indicator, Power indicator
- With power pin
- Positioning screw hole centre spacing 23 mm x 38 mm
- The working current: typical 5mA, standby current 1 microamp. Except for the power indicator.
- Standard frames, extended frames, and remote frames.
- Impedance matching, guaranteed drive capability, long-distance data transmission, prevent signal radiation
8 Channel Tracking Sensor Module Board Trace Module Infrared Detection
NODEMCU ESP8266-12 USB CH340
- 11 b/g/n Wi-Fi Direct (P2P), soft-AP
- Power input: 4.5V to 9V (10VMAX), USB-powered
- Transfer rate: 110-460800bps
- Support UART / GPIO data communication interface
- Support Smart Link Smart Networking
- Working temperature: -40°C ~ + 125°C
- Drive Type: Dual high-power H-bridge
- Don’t need to download resetting
- A great set of tools to develop ESP8266
- Flash size: 4MByte
- Integrated TCP/IP protocol stack
- Use CH340G to replace the CP2102.
- Integrated low power 32-bit CPU
- Advanced API for hardware IO, which can dramatically reduce the redundant work for configuring and manipulating hardware.
- Integrated TR switch, balun, LNA, power amplifier, and matching network
- Integrated PLL, regulators, DCXO, and power management units
- On-board USB to serial chip to easily program and upload codes from the Arduino IDE
- Embeds logic level converter circuits
- Has onboard 3.3V regulator to ensure enough power to function as your go-to WiFi chip!
- Easy access to the GPIO pins for easy prototyping
GP2Y1010AU0F Optical Dust Sensor
- Operating Voltage: 4.5V to 5.5V
- Low Current Consumption: 20mA max
- Sensitivity: 0.5V/(0.1mg/m3)
- Clean-air voltage: 0.9V typical
- Storage temperature:-20 ~80 degrees Celsius
- Minimum Detectable Dust Size: 0.5µm
- Smallest particles detected value: 0.8 micron
- Dust Density Sensing Range: Up to 580 µg/m3
- Sensing Time: Less than 1 Second
- Service life: 5 years
- The presence of dust can be detected by the photometry of only one pulse
- Enable to distinguish smoke from house dust
- Lead-free and RoHS directive compliant
- Operating temperature:-10 -65 degrees Celsius
- Dimensions: 46.0 x 30.0 x 17.6 mm
- Weight: 15gm
IR Sensor Array of 8
- 8 IR Sensors with High Range
- Operating voltage: 3.3 to 5V
- Current supply: 100mA
- Output format: 8 digital I/O compatible signal
- Optimal sensing distance: 3 mm.
- Maximum recommended sensing distance: 6 mm
- Distance between each IR Sensor: 15mm
- Analog and Digital Output pins
- Potentiometer to adjust the sensitivity of the individual sensors
- Applications Line Follower Robots Object Array Sensing
- No analogue to digital conversion requires
- Improved sensitivity over voltage-divider analogue output
- Parallel reading of multiple sensors is possible
- Quality FR4 grade PCB for best performance.
- Dimension: 74.93mm x 12.7mm x 3.175mm