ReviewsChip Board

LANTRO JS Digital Audio Amplifier Board, DC12V to 24V Dual Channel Karaoke Digital Microphone Audio Pre Amplifier Board

Specification-----Item Type: Amplifier Board.
Output Channel: Dual channelKnob Spacing: 24mm.
Frequency Response Range: 25Hz ~one 7 K Hz.
Parameters-----Size: 117 x 53mm / 4.6 x 2.1in(approx.).
High quality chip-----Using high-quality PT2399 chip, outstanding performance, the amplification effect is remarkable.
Wide application-----The board can only be used for moving-coil microphones.
not suitable for other microphones such as capacitive , earphone microphones.

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2 PCS Flip Folding Keyless Entry Replacement Key Fob Cover fit for 2010-2013 Kia Soul 2012-2014 Kia Rio Sportage Key Fob Case Shell

High Quality Material replacement case for 2010-2013 Kia Soul 2012-2014 Kia Rio ,without cricuit board and chip..
Include the Sticker on back in case. Pls check your key and the item image carefully.
Easy to assemble,just remove the fob blade to this new case and remove the cricuit board and chip to new case..
No program requried: use your fob cricuit board, it was programed before you bought it..
Comes with badge and screwdriver. Cut the new blade..

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6pcs ESP8266 NodeMCU LUA CH340 ESP-12E WiFi Internet Development Board 4M Flash Serial Wireless Module for Arduino IDE/Micropython New Version

ESP8266 has powerful on-board processing and storage capabilities that allow it to be integrated with the sensors and other application specific devices through its GPIOs with minimal development up-front and minimal loading during runtime. Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including front-end module, is designed to occupy minimal PCB area..
ESP8266 is a highly integrated chip designed for the needs of a new connected world.It offers a complete and self-contained Wi-Fi networking solution, allowing it to either host the application or to offload all Wi-Fi networking functions from another application processor..
This ESP8266 NodeMcu development board can be use for small temperature and humidity monitor in home automation project and works very well Compatible with Arduino development platform..
ESP8266 CH340 chip, power your development in the fastest way combinating with NodeMcu Firmware.
It's a IOT unit with all available resources on board, support smart link and smart networking..

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SunFounder Mega 2560 R3 ATmega2560-16AU Board Bundled with R3 Board and Ethernet Shield W5100 for Arduino

The mega 2560 R3 Board is 100% compatible with Arduino. Powered via the USB connection or with an external power supply. The power source is selected automatically..
The ATmega2560-16au has 256 KB of flash memory for storing code (of which 8 KB is used for the bootloader), 8 KB of SRAM and 4 KB of EEPROM (which can be read and written with the EEPROM library). Comes preburned with a bootloader that allows you to upload new code to it without the use of an external hardware programmer. It communicates using the original STK500 protocol (reference, C header files)..
This version is optimized in the original version, both to ensure consistent and compatible with the original, but also easy to use..
R3 board compatible with Arduino. The board for Arduino use ATMEGA16U2 chip, Faster transfer rates and more memory.R3 board control using r3 ATmega328P chip. Includes new pin configuration (SCL, SDA, IOREF).Clearly print on the female header connector, more precise and easier to use the wire..
With this Ethernet Shield, for Arduino board can be used to connect to internet. Can be used as server or client. Directly plug puzzle board, no soldering required. It is directly compatible with Arduino official Ethernet Library. It adds a micro-SD card slot, which can be ....

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SunFounder 2560 R3 Project Super Starter Kit with 2560 Controller Board and R3 Controller Board

For Arduino kits and Affordable Price - This is a complete Kit with more than 200pcs components for adults, students and beginners.. Includes 2560 controller board and USB cable, 100% compatible with Arduino Mega 2560 R3 Mega328 Nano for Arduino kit..
Detailed Instructions - This 2560 Kit with detailed pdf tutorial in the CD, you can learn to code and program faster and easier with all the components..
25 Projects Provided - As an upgraded starter kit compatible with arduino 2560 controller board, more than 20 interesting lessons are included. Allowing for a dynamic creative learning experience..
Compatible with Arduino- R3 board compatible with Arduino,use ATMEGA16U2 chip, Faster transfer rates and more memory..
Control using r3 ATmega328P chip, Includes new pin configuration (SCL, SDA, IOREF) Clearly print on the female header connector, more precise and easier to use the wire..

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3D Printer Control Board Back EMF Protection Powerful 520Kb RAM USB Update Firmware ESP32 3D Printer Motherboard with WiFi for Serial Screen

SUPPORT VARIOUS SCREEN: This is a 3D printer main control board with onboard ESP32 wifi, supports for Marlin2.0 firmware, in addition to ordinary....
32 BIT MICROPROCESSOR: Built in ESP32 DOWD V3 chip, for Xtensa dual core 32 bit LX6 microprocessor, supporting clock frequency up to 240MHz.
POWERFUL AND VERSATILE: The main board adopt ESP32 WROOM 32U module, embedded dual core 32 bit high speed MCU, the clock is up to 240MHz. And....
8M BYTE CHIP: In addition, the module has a built in 8M byte Flash memory chip, which provides effective protection for more application scenarios.
BACK EMF PROTECTION: VEXP has designed a protection circuit for the back EMF generated by the stepper motor, which greatly reduces the damage to the....

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5pcs LED Breakout Module Board WS2812 RGB 5050 RGB with WS2812S chip Used for 5050 RGB LED

【Introduction】- The breakout board uses WS2812S chip, used for 5050 LED..
【Support】- This WS2812 Breakout Board supports high brightness and RGB color..
【Can Connect a Lot of Lights】- Built in chip, it can connect a lot of lights in series..
【Operation】- After connection in series, each light can control color independently..
【Power Supply】- No matter for how much lights, it only need one control cable and two power cables..

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Diyeeni 4-Channel 12V USB Control Switch Relay Module, Relay Board Computer Smart Switch Controller, PC Relay Module Expansion Board, Relay Board for Automation

Onboard square USB interface, stable connection..
Use imported high performance USB control chip..
Use the special relay drive chip ULN2803, the relay works more stable..
Board power socket and terminal, two ways to access the power supply are convenient and flexible..

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Dorhea 10PCS ESP8266 WiFi Development Internet Board NodeMCU LUA 4M Flash Serial Wireless Module CH340 Serial WiFi WLAN Communication Compatible with Ardui no IDE/Micropython

ESP8266 has powerful on-board processing and storage capabilities that allow it to be integrated with the sensors and other application specific devices through its GPIOs with minimal development up-front and minimal loading during runtime..
ESP8266 CH340 chip, power your development in the fastest way combinating with NodeMcu Firmware.
It's a IOT unit with all available resources on board, support smart link and smart networking..
Its high degree of on-chip integration allows for minimal external circuitry, and the entire solution, including front-end module, is designed to occupy minimal PCB area..
Smart hardwares easily, if you want to do some remote control projects, the cheap but useful NodeMCU board can help you. the embedded MCU and wifi functions let us be able to remotely control our hardwares..
DIY a smart car: If together with the motor or servo extension board, one can diy a smart robot, e.g., rc car, tank chassis..

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3D Printer MKS Gen-L V1.0 Controller Board MKS Integrated Mainboard Motherboard Compatible with Ramps1.4 Supports TMC2100 A4988 8825 Driver LCD2004 LCD12864 TFT28 TFT32

2560 and Ramps 1.4 are integrated in the board, which avoids the problem of complicated connectors and malfunctioning. Reserve external driver signal,....
Use specific power chip, support 12V-24V power input, and resolve the problems of chip heating and power shortage. Use high-quality MOSFET, better....
Use CH340 serial port chip, more easily install the drive than 16U2. Stable and reliable filter circuit greatly reduces interference and avoids....
Run Marlin firmware, the configuration is completely same as Ramps 1.4, and available to directly replace the Ramps 1.4. Support Ramps 1.4,....
Plug the stepper drivers according to the different color terminals which decreases the probability of reverse and prevents the controller board....

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12V 24V 3D Printer Motherboard Accessories kit MKS Base V1.6+MKS TFT 2 Layer 32 Bit Color Screen Mega2560 Ramps1.4 Compatible for Marlin/Smoothieware/Repetier firmware

Combining all the functions on one board solves the cumbersome and troublesome problem of the Ramps1.4 combo interface..
The board uses a high quality 2 layer board and is specifically optimized for heat dissipation. The ramps are 2 layer boards..
It adopts dedicated power chip and supports 12V-24V power input to solve the heating problem of Ramps voltage conversion chip..
The firmware can use the open source firmware Marlin, the configuration is exactly the same as ramps1 4, which can directly replace Ramps1.40..
Using the 4982 as a motor drive, it has the same performance as the 4988, but with a SOP package, the heat dissipation is better..

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