Best Four Layers Pcb

SainSmart Magnetic Helping Hands Soldering Station with Larger Base LED Magnifying Lamp 4 PCB Circuit Board Holder & 4 Flexible Magnetic Helping hands

Free Your Hands: With four 7.5 in/ 14.0 in adjustable metal gooseneck arms and four PCB Pillars to use as a Circuit Board Holder. All have strong....
Larger Working Area: This helping hand comes with a 11.1x 7.1 in base which is larger than most of the products on the market. You can freely place....
User Friendly Design: Each clip comes with rubber sleeves which can effectively protect the surface of electrical board or jewelry from damage. This....
Heavy Duty Base: Over 2.4 pounds with a powder coated steel base that is sturdy enough to ensure your workstation doesn’t tip over. The bottom has 4....
What You Get: 2x 7.5 in metal gooseneck arms, 2x 14.0 in metal gooseneck arms, 4x PCB Circuit Board Holder, 1x LED Magnifying Lamp, 1x Heavy Metal....

Corrosion remover, mildly acidic. Rinse residue free.
Parts to be cleaned: non-ferrous and light metals, pcb's with water damage, glass, plastics, tarnished brass and chopper, scuba diving gear.
Contaminants to remove: corrosion, lime deposits, water damage, oxide layers, rust, grease, oil. Brightens brass and chopper alloys.
Dilute with water to 1-5 percent before use.

Custom Space Key Module&Wide Compatibility. GX64X includes an extra space key module. With this module, you can easily change your Space key into....
6 Side Bottom Light&16.8 Million RGB Backlight. RGB is such a cool element while playing games. GK64X fully know your needs and thus this model is....
3 Layers Fully Programmable. Custom is not just a word. We make it true. Here you have more than 6 driver settings. Simply download the driver and you....
Professional 60% Keyboard. GK64X is 60% layout PCB, widely compatible with most of 60% keyboard case, you could change the case as you wish. The....
All-in-One Kit. GK64X got all you need for a custom keyboard: PCB, mounting plate, black ABS case, stabilizers, Type-C cable. More than that, you can....

...ith USB output as power bank can charger all smartphones.cells for greater battery longevity with no memory effect..
✔ No Memory Effect：Powerextra NP-Series Battery is combined with the newest generation of CPU control, IC chip, double PCB panel to deliver super power for improved performance. Features with four layers of protection (over-charging, short-circuit, high-temperature, and surge protection). Can be charged or discharged at any time without harm..
✔ Customer Service：Powerextra is a trustworthy brand that focuses on the customer experience. If you have any questions about the product or is not clear, please feel free to contact us. We listen every feedback and fine-tune every detail to ensure quality..

【Silencer Kit】- These four pieces of silencer pad silencer foam sound dampeners are to eliminate noise and improve the effect of consumers using mechanical keyboards. This will be an essential tool for those who are keen on DIY mechanical keyboards..
【Product Function】- Silencer pad is placed between the PCB and the positioning plate to reduce cavity noise. The switch pad reduces the gap between switches and eliminates cavity sounds. The bottom cotton eliminates the noise in the cavity between the PCB and the bottom shell of the keyboard and increases the sound thickness. The role of the gasket is also silence the sound..
【Compatibility】- 100% compatible with 61 keys ANSI mechanical keyboard layout. Please note that normal 61-key layout mechanical keyboards do not have no arrow keys..
【Advantage】- These four keyboard foams are made of soft sponge material, which can well protect the mechanical keyboard and switches, reduce noise and enhance the sound thickness of the keyboard..
【Package Included】- 1* Silencer Pad, 1* Switch Pad, 1* Bottom Cotton, 1* Gasket.

...al steel and weighs about 0.66 lbs, ensuring your welding station won’t tip over and move. Rubber feet protect the tabletop from abrasion..
【Easy Positioning and No Rebound】 The high-quality stainless steel adjustable gooseneck arm on the soldering helping hands can be adjusted at will and not easy to rebound. Four 6.7-inch helping hands allow you to completely free your hands for better repair work..
【Improve Work Accuracy】The soldering station is equipped with a 3x magnifying glass, whick can help you magnify small electronic components, third hand tool can improve your work efficiency and welding accuracy, and you no longer have to be tired of small parts..
【Will Not Scratch The PCB Board】 The alligator clips on pcb holder arm are fixed with screws and can be rotated 360 degrees, and each clip is equipped with an insulating rubber sleeve, which can prevent scratching the circuit of the PCB board and prevent electrical short circuits..
【Customer Satisfaction】Our service tenet is to make you 100% satisfied with our products. If the product does not meet your expectations, please feel free to send us a message via “Contact Seller”, we will handle it for you.

This kit allows you to assemble up to four of these solid state relays on a single PCB and control them all via I2C from your favorite microcontroller..
The Quad Solid State Relay Kit comes with four solid state relays rated up to 40A at voltages between 28-380 VAC so you can switch some serious power with this board all from a single Qwiic connector attached to a low-powered microcontroller..
Features: Operating Voltage: 2.5-3.6V (3.3V recommended). I2C Address: 0x08 (Default), 0x09 (Alternate via jumper). Max Current (Through Relay): 40A (24-380VAC). Zero Cross Trigger. Normally Open Circuit Only.
Includes: 1x Qwiic Quad Solid State PCB. 4x Solid State Relay - 40A (3-32V DC Input). 8x 4-40 Hex Nut. 8x 3/8in. Phillips Machine Screw - 4-40 Thread. Hook-up Wire 8" - 22 AWG (Red). Hook-up Wire 8" - 22 AWG (Black).
Assembly required. Tools are not included. You will need a screwdriver and wire clippers/strippers..

Simple step and direction control interface.
It can directly interface with 3.3V and 5V systems.
Thermal shutdown overtemperature, shutdown overcurrent, and under-voltage lockout.
4 layers, 2 oz copper PCB for better heat dissipation.