Double Side Prototype PCB Board 5x7cm

CNC shield for arduino works as a controller for CNC type milling machines,
3D printers, laser cutters .
CNC Shield Expansion Plate V3 Engraver 3D Printer features:

• 4 compatible sockets for use of A4988 stepper motor controllers (PAP), DRV8825, other compatible
• 4 support axes X, Y, Z, A
• 2 limit switches for each axis (6 in total)

Prototype Protoboard Breadboard 170 points Arduino features:
- 170 connections
- Base with adhesive to attach it to the work surface
- Measurements: 45x35x9mm
- Various colors

A4988 + RepRap Radiator features:
- Minimum operating voltage: 8 V
- Maximum operating voltage: 35 V
- Maximum current: ± 2 A (adequately ventilated or refrigerated)
- Logic voltage: 3 V / 5.5V
- Microstep resolution: full, 1/2, 1/4, 1/8, and 1/16
- Factory soldered temples
- Use potentiometer to adjust current
- Measurements: 20x16x12 mm

- Bluetooth 4.0 AT-09 BLE Master / Slave module with 6-pin connection base
- This module is very similar to HM-10 module
- Bluetooth protocol: Bluetooth V4.0 BLE specification
- Ultra-low power consumption, in 90uA standby mode
Wireless Module AT-09 Bluetooth 4.0 CC2541 IOS BLE features:

- Chipset based on CC2541
- Bluetooth Class 2
- Industrial level Bluetooth module SPP
- Flash 256Kb
- Integrated chip antenna
- Power supply: + 3.3 VDC 50 mA
- Working temperature: -5 C to + 60 C
- Operating frequency: 2.4 GHz ISM Band
- Modulation method: GFSK (Gaussian Frequency Shift keying)

Welding Acid AG 35ml features:
Prepared transparent liquid, acidic, corrosive.
Prepares and facilitates welding on nickel-plated surfaces.
Apply a small amount of the preparation on the element to be welded, and then wash it with water. CAUTION:
Dangerous preparation, contains up to 35% phosphoric acid. In case of contact with skin or eyes, wash with plenty of water and consult a doctor. Keep closed and out of reach of children. It causes burns. Risk of serious eye damage.

Small Probe Test for Multimeter Black features:
- 100% new and high quality
- Material: brass and plastic
- Powerful spring pulling the min hooks to grasp the small components firmly and avoid any short circuit
- Hands free to repair, you can connect the clips to multi-meter or DC POWER by a track
- It will help you to test IC or repair the cell phone and other mini electronic products more conveniently
- Length: 4.3 cm / 1.69 "
- Size of the brass hook: approximately 0.9mm x 0.4mm
- Color: black

Flat Cable 1m AWG28 1.27 Gray 10 Pins features:
- Length: 100cm
- Model AWG28
- Product name: Flat cable
- Number of conductors: 10
- Conductive material: Copper
- Insulation voltage: 300V
- Inner diameter 0.32mm
- Pin Pitch: 1.27mm
- Temperature: 105 ° C