4X4 Matrix Keyboard Tact Touch Switch MCU Learning Board Development Board External Expansion Kit

Get 4X4 Matrix Keyboard Tact Touch Switch MCU Learning Board Development Board External Expansion Kit

Description:

Size: 43*43mm

Package included:

16 x 6*6*5 Key
1 x 8p pin
1 x PCB board

4X4 Matrix Keyboard Tact Touch Switch MCU Learning Board Development Board External Expansion KitSee detail

DIY Qi Standard Wireless Charging Coil Receiver Module Circuit Board DIY Coil for Phone for Battery 5V 1A Fast Quick Charger

Get DIY Qi Standard Wireless Charging Coil Receiver Module Circuit Board DIY Coil for Phone for Battery 5V 1A Fast Quick Charger Features: 1. Pure copper coil, high permeabillity, low loss, assuring fast charging. 2. Can charge the battery directly. 3. Charging current is around 5V 1A. 4. Can be directly connected to the phone's motherboard, the phone will display wireless charging. 5. Red is positive and gold is negative. The wire can be bent freely. Specification: Material: PCB Product Name: Wireless Charger Receiver Module Input Power: 5V 1A or 9V 0.5A Output: Power up to 5W Charging Efficiency: 75% Transmission distance: 2-8mm Charger Applicable Form: Wireless Charger Executive Standard: Qi Wireless Charging Standard Product Certification: CE/FCC/ROSH Board Size: 1.9 * 3.2cm / 0.7 * 1.3in Copper Coil Size: 4.1 * 2.9cm / 1.6 * 1.4in Cable Length: 5cm / 2.0in Weight: approx. 6g Note: Wireless charging = transmitter + receiver (both can be charged together) 1, there

GY-PCM2706 USB TO I2S IIS Audio Power Amplifier Module OTG Sound Sub for MAC DAC Slave Daughter Card Decorder

Get GY-PCM2706 USB TO I2S IIS Audio Power Amplifier Module OTG Sound Sub for MAC DAC Slave Daughter Card Decorder Feature: Can I2S external DAC decoder, support WINXP WIN7 WIN8 WIN10 MAC or mobile OTG 5V--------------------Power output GND----------------- LCK-------------LRCK DAT------------SDATA BCK--------------BCLK SCK -------------System clock This is the chip system clock output, generally not needed GSM/GPRS(2G)/Modbus RTU Over TCP Package includes: 1 x GY-PCM2706 USB TO I2S IIS Audio Power Amplifier Module GY-PCM2706 USB TO I2S IIS Audio Power Amplifier Module OTG Sound Sub for MAC DAC Slave Daughter Card Decorder See detail

10pcs 4 Digit 7-Segment 0.56' LED Display Tube Decimal 7 Segments HT16K33 I2C Clock Double Dots Module For Arduino

Get 10pcs 4 Digit 7-Segment 0.56' LED Display Tube Decimal 7 Segments HT16K33 I2C Clock Double Dots Module For Arduino >>>Manual: Click here to open<<< Features: - These 7-segment displays normally require 13 pins (5 characters and 8 total segments each). - Solves the annoyance of using 13 pins or a bunch of chips by having an I2C constant-current matrix controller sit neatly on the back of the PCB. - The controller chip takes care of everything, drawing all the LEDs in the background. - All you have to do is write data to it using the 2-pin I2C interface. - There are three address select pins so you can select one of 8 addresses to control up to 8 of these on a single 2-pin I2C bus (as well as whatever other I2C chips or sensors you like). - The driver chip can din the entire display from 1/16 brightness up to full brightness in 1/16th steps. - It can't din individual LEDs, only the entire display at once. - Size: 5.03 x 2.68 x 1.2 cm/2 x 1.1 x 0.5 inch

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