Best 2 Layer Pcb

CIY GK68 Dual Mode Wireless Hotswap Keyboard Kit, DIY 65% Keyboard, Bluetooth 5.0/2.4G Wireless, Replaceable MX Switch 5Pin/3Pin, ABS Shell,Metal Positioning Plate, Sound Insulation Mat(Black Hyaline)

Freely match keycap switches: CIY65% wireless keyboard kit, switch hot-swappable shaft base, you can match any switch and keycap at will, DIY your favorite keyboard!.
Two wireless modes: Using the classic dry battery life plan, Bluetooth 5.0 and 2.4G wireless technology, two AAA batteries can last up to two months, while supporting smart sleep power saving mode..
Switch hotswap: Switch hot-swappable shaft seat, unique design patent, combined with double-layer thick PCB panel, bring longer mating cycle life..
Full configuration: ABS one-piece shell, strong hardness, metal positioning plate, sandwich sound-proof silicone, bottom silencing cotton, thick double-layer PCB panel, all are the top configuration, it is the best choice for your keyboard DIY!.
Note: When installing the switch, please check that the pins of the switch are not bent. When installing, you need to insert the hot-swap shaft seat vertically. Please refer to the video of switch installation requirements..

Supports AMD Ryzen 7000 Series Desktop Processors.
Supports DDR5 Memory, up to 6600+(OC) MHz.
Enhanced Power Design: Direct 8+2+1 VRM power, Core Boost, Memory Boost.
Premium Thermal Solution: Extended Heatsink, MOSFET thermal pads rated for 7W/mK, additional choke thermal pads and M.2 Shield Frozr are built for high performance system and non-stop gaming experience.
High Quality PCB: 10-layer PCB made by 2oz thickened copper and server grade level material.

Integrate 2560 and Ramps1.4 one PCB,easier wiring and more stable..
Use high-quality 4 layer PCB&Use special power chip,support 12V-24V, also Use Marlin firmware,same as configuration way as Ramps1.4, it can replace Ramps1.4 directly..
Support a variety of stepper drivers:4988,8825,TMC2208 and TMC2100, and available to work with LCD2004,LCD12864,MKS..
TFT24/28/32/35 & Available to connect external large stepp drivers Accept 24V input,reduce the heated bed current to 1/4 that slove the Mosfet heat problem efficiently..
Retail Servos,AUX-1 and AUX-2 interface of Ramps1.4 provide three 5V output and three 12V output interfaces..

【PCB Temp System】 PCB electronic control to ensure the temperatures of water and steam more accurately, thermo block heating and pre-brew system, which will immerse coffee grounds in water to moisten before extraction..
【15 Bar High Pressure Extraction】15-Bar pump delivers the right amount of pressure for maximum flavor extraction and produces a beautiful layer of crema for your espresso..
【Built in Steam Wand】With steam wand, high pressure frothing function will give you more options to enjoy cappuccino, latte or machiato with creamy and rich foam at any time at home. Detachable frothing nozzle is easy to be cleaned..
【2-in-1 filter holder & Double Drip Tray】2-in-1 filter holder automatically delivers 1 or 2 shots, always the exact amount of espresso you desire. The Double drip tray is easy to remove to fit taller cups, such as latte glasses, and also quite friendly for you to clean..
【Our Service】Extra accessories include: 2x coffee glasses, 1x tamper, 1x tamper mat, 1x milk frothing pitcher, 1x apron, 1x cleaning cloth. We offer a one-year warranty and we promise excellent after-sales service. If you have any questions about our product or are dissatisfied with our product, please contact us..

Supports 12th Gen Intel Core Pentium Celeron processors for LGA 1700 socket.
Premium Thermal Solution: Aluminum cover with heatsink, heat-pipe, MOSFET thermal pads rated for 7W/mk, additional choke thermal pads and M.2 Shield Frozr are built for high performance system and non-stop gaming experience.
MYSTIC LIGHT: 16.8 million colors / fancy lighting effects controlled in one click. MYSTIC LIGHT SYNC supports RGB and RAINBOW(ARGB) LED strips and Ambient devices.
High Quality PCB: 6-layer PCB made by 2oz thickened copper and server grade level material.

Prototype PCB for Arduino Mega 2560 R3 Shield Board DIY..
PCB Dimension: 101.6mm x 53.34mm / 4" x 2.1".
PCB Thickness: 1.6mm / 0.063", Material: high quality FR-4 glass fiber PCB..
All holes are plated through. Top and bottom side are identical copper layers. Pads grid (pitch) 2.54mm / 0.1", hole diameter 0.9mm..

❤️ Integrate 2560 and Ramps1.4 one PCB,easier wiring and more stable.
❤️Use high-quality 4 layer PCB&Use special power chip,support 12V-24V, also Use Marlin firmware,same as configuration way as Ramps1.4, it can replace Ramps1.4 directly.
❤️ Support a variety of stepper drivers:4988,8825,TMC2208 and TMC2100, and available to work with LCD2004,LCD12864,MKS.
❤️TFT24/28/32/35 & Available to connect external large stepp drivers Accept 24V input,reduce the heated bed current to 1/4 that slove the Mosfet heat problem efficiently.
❤️Retail Servos,AUX-1 and AUX-2 interface of Ramps1.4 provide three 5V output and three 12V output interfaces.

This is a beautiful electronic hourglass that is fun to build and nice to look at when finished, it is not only a PCB board for practicing welding....
Comes with English user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment....
The suite adopts double layer PCB, and the circuit consists of 30 pieces white LED blue ray..
Under the control of MCU program, it displays analog hourglass image..