Best China Double Sided Pcb - TopShopReview.com

Gikfun DIY SMD SMT Welding Practice Soldering Skill Training Board NE555 CD4017 Water Flowing Led DIY Kit EK1885

The circular circuit is the running water lamp circuit, which is composed of CD4017, NE555 and leds, which can be used to work after being welded..
Add 2pcs of QFP44 chip, double sided component layout, double welding..
High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully..
Please make sure all components in right direction and right place.
and check whether pseudo and float welding, this is very important in practicing....

100 % SATISFACTION GUARANTED ★ Excellent quality and an empty canvas for electrical enthusiasts! An easy soldering.
0.1" hole spacing for DIP integrated circuits and headers..
THIS IS NOT YOUR NORMAL PERF BOARD! ★ This board is much higher quality with plated-through-holes and annular rings that will not lift off the PCB under normal soldering conditions.
MUTI-PURPOSE ★ General purpose prototyping circuit board for analog and digital use.
Double sided board with plated-thru holes allows components to be easily soldered to either side of the board.
THE FLEXIBILITY OF HAVINg CHOICES ★ Great assortment with variety of size and perfect for quickly prototyping stackable circuits.
PACKAGE COMPONENT ★ 40 Piece of double sided PCB prototype board in 5 different size (2x8 and 3x7 each 10 Pcs.
7x9 cm each 4 Pcs) with mounting holes or slots on each board corner.

This is an entry-level kit that contains DIY solderable PCB breadboards, male and female Pin headers, LED lights, resistor packages, and jumper packages..
More than 200 pieces of components, compatible with Arduino IDE, Raspberry Pi and other microcontroller boards..
3PCS Proto Breadboard PCB Board Gold Plated Experimental Breadboard Soldering Board Double-Sided PCB.

【Keep Safty】-- When combustible gases leak (kitchen methane / natural gas /camping propane) exceed the standard, this alarm will sound an 80dB siren speaking voice with top flashing red light until the ambient gas volume falls below alarm set point..
【Powerful Functions】-- This alarm precisely measures and displays an easy to read concentration (0 ~ 20 % LEL) of combustible gas, include natural gas (Main Components: Methane), liquefied gas (Main Components: Butane, Propane), and urban coal gas (Alkane, Olefin, Arene). It sounds alarm and flashes red light once concentration over 5% LEL.【No Battery】.
【Durable & Energy saving】-- Double-sided PCB, flame-retardant ABS plastic, wipes clean easily. It uses .
【Easy to Install】-- Plug-In gas alarm design for home use, A/C-powered, much convenient.【Support bilingual mode of Chinese and English】.
【Factory Warranty】-- This gas alarm has passed the professional gas detection test in our factory. We get CE & ROHS Certificates and China Compulsory Certificate, UL test report. All Ourjob alarms can be 100% guarantee, any quality problems, you can return or get a refund within 30days..

⭐【6 Different Sizes PCB Boards】Double Sided Prototype PCB Boards--1 × 9*7cm, 2 × 8*6cm, 5 × 8*2cm and 5× 7*5cm, 5 × 7*3cm, 5 × 5*4cm PCB....
⭐【Convenient for Projects】The upgrate 0.8mm....
⭐【Header Connector】6 pcs 40 pin Male Header, 4 pcs 40 pin Pitch Right Angle Male Headers, 6 pcs 40 Pin Female Header.
⭐【Screw Terminal Block】8 Pcs Screw Terminal Block: 6 pcs 5.08-301-2P and 6 pcs 5.08-301-3P.
Pitch: 5.08mm, Rated Voltage: 300V, Rated Current:....
⭐【High Quality & Warranty】Durable Glass Fiber-FR4 Material (Thickness 1.6mm) is A Very Solid and Durable Prototype Circuit Board.

-The ultrasonic generator can monitor the power system frequency ultrasound power..
-According to different requirements of users, real-time adjustment of various parameters: The power, amplitude, and running time..

Using 1.6mm thick PCB double sided board, sturdy and durable, come with long service life.
The interior is composed of double balanced microwave diodes, come with high reliability.
35dB high isolation between local oscillator and RF input, which is stable and reliable.
The product have large heat dissipation area, possess stable operation and long running time.
The conversion loss is only 8.0dB, and the noise figure is as low as 8.0dB (SSB). This is a passive device and does not require power supply.

The conversion loss is only 8.0dB, and the noise figure is as low as 8.0dB (SSB). This is a passive device and does not require power supply.
The interior is composed of double balanced microwave diodes, come with high reliability.
The product have large heat dissipation area, possess stable operation and long running time.
Using 1.6mm thick PCB double sided board, sturdy and durable, come with long service life.
35dB high isolation between local oscillator and RF input, which is stable and reliable.

The conversion loss is only 8.0dB, and the noise figure is as low as 8.0dB (SSB). This is a passive device and does not require power supply.
Using 1.6mm thick PCB double sided board, sturdy and durable, come with long service life.
The product have large heat dissipation area, possess stable operation and long running time.
The interior is composed of double balanced microwave diodes, come with high reliability.
35dB high isolation between local oscillator and RF input, which is stable and reliable.

The product have large heat dissipation area, possess stable operation and long running time.
The conversion loss is only 8.0dB, and the noise figure is as low as 8.0dB (SSB). This is a passive device and does not require power supply.
35dB high isolation between local oscillator and RF input, which is stable and reliable.
Using 1.6mm thick PCB double sided board, sturdy and durable, come with long service life.
The interior is composed of double balanced microwave diodes, come with high reliability.