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.
5-36v Switch Drive High-power MOSFET Trigger Module
- Operating Voltage: DC 5V - 36V;
- The trigger source: digital high-low (DC3.3V - 20V), can be connected microcontroller IO port, PLC interfaces, DC power, you can access the PWM signal, the signal frequency 0--20KHZ perfect support.
- Output capacity: DC 5V - 36V, at room temperature, continuous current 15A, power 400W! Lower auxiliary cooling conditions, the maximum current up to 30A.
- Applications: You can control the output of power equipment, motors, light bulbs, LED lights, DC motors, micro-pumps, solenoid valves, etc.. You can enter
- PWM, motor speed control, lamp brightness.
- Availability: unlimited switch
- Operating temperature: -40-85
- Dimension: 34mm x 17mm x 12mm
- The use of imported dual-MOS parallel active output, lower resistance, more current, strong power at room temperature, 15A, 400W, to meet the most use of the equipment
- Wide voltage, the perfect support for PWM
- Easily control high power devices
- Input PWM to achieve motor speed control, lamp brightness control
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.
8mm Bore Inner Ball Mounted Pillow Block
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.
TP5100 4.2v 8.4v Single Double Lithium Battery Charge Management Li-ion Battery Compatible 2A Charging Board
- Input voltage: 5-15V DC power supply.
- Charge status: full and unloaded blue lights, charging red.
- Double 8.4v / 4.2v lithium rechargeable single .
- Programmable charge current. 0. 1A-2A .
- Programmable steady precharge current 10% -100%.
- Wide operating voltage, maximum reach I8V.
- Red and green LED charge status indicator.
- Chip temperature protection, overcurrent protection, under voltage protection.
- Battery temperature protection, reverse battery shutdown, short circuit protection.
- Switching frequency 400Khz, usable inductance 20uH and more.
- PWR_ON Power battery for switching control.
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)
LM2596 2A Buck Step-down Power Converter Module DC 4 ~ 40 to 1.3-37V LED Voltmeter
- Input Voltage: 4 - 40V DC
- Output Voltage: 1.3 - 37V DC
- Output Current: 2A Rated, (3A maximum with heat sink).
- Switching Frequency: 150 kHz.
- Input reverse polarity protection.
- Built-in output short protection function.
- Voltmeter Resolution: ±0.1V
- Voltmeter Digital Display Range: 0v-45v
- High precision multi-turn potentiometer to set to the desired value
- Led Digital Voltmeter Tube, The Accuracy Is Adjustable Function, Can Be Aimed At Your Multimeter Adjustable Accurate.
- Press the key "S1" to let the display show the input or output voltage. when the green led light, it shows output, the red shows the input.
- Size :65*35mm
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.