Introduction to RC522 chip:
MF RC522 is a high-integration read/write card chip used in 13.56MHz contactless communication.
It is a good choice for the development of smart meters and portable handheld devices.
The MF RC522 utilizes advanced modulation and demodulation concepts a..
Features:TCRT5000 sensor of infrared emission diode constantly launch infrared, the infrared ray is emitted when the intensity of reflected back has not been reflected or but is not big enough, the light activated triode has been in the off state, the output end of the module at this time for the ..
Description:
1, Onboard TTP223 capacitive touch a single bond induction IC.
2, Board level indicator.
3, Working voltage: 2.0 V to 5.5 V.
4, The size of the PCB board: 29 (mm)x16 (mm).
Package included:
10 x TTP223 Capacitive Touch Switch Digital Touch Sensor Module..
Features: - DC5-48V automatic identification- When the DC terminal has power, it is connected to the battery to charge- The charging parameters have nothing to do with this module, depending on the DC terminal, battery, and load.- Product load: 10A- Product size: 61mm*29mm Pa..
Features:NRF24L01P + PA + LNA Division for the ultra-long-distance data transmission, specially developed high-power and high sensitivity wireless module 2.4G ISM band NRF24L01P + PA + LNA wireless module to work in the license-free that can be point-to-point applications or be composed of a sta..
Feature:Ozone output: 15000mg / hInput voltage: 220VCurrent consumption: less than 750mAPower consumption: less than 150wOutput high voltage: 5.5 ± 0.5KVPackage includes:1 x Ozone Generator..
Specifications:Product name: Audio amplifier boardBoard size: 55×83×29mmOperating voltage range: DC9-25V (current 2-3A or more, if the power is larger, it is recommended to be 19-24V4A or more)Frequency response range: Input: 20Hz-20KHzOutput: 20Hz-180HzAudio input sensitivity: 500mVSubwoofer impeda..