2.8?? diagonal LCD TFT display, with bright 4 white-LED backlights, default state: on It can control the backlight to connect the transistor to a digital pin 240×320 Pixels, with colorful and 18-bit, 262,000 different kinds of shade 4-wire resistive touchscreen 8-bit digital interface, plus 4 control lines
Features standard USB Type A Connector, can be directly plugged to Laptop 3.3V and 5V dual power output 3 LEDs: power indicator, data reception indicator, the data transmission indicator, working status Meets the USB2.0 specification requirements
Maximum operating speeds up to 2Mbps, GFSK modulation efficiency, Anti-interference ability, Particularly suitable for industrial control applications. Built-in hardware CRC error detection, Multipoint communication address control. Low-power 1.9 ~ 3.6V, only 1uA on Power down mode Built-in 2.4Ghz antenna Built-in voltage regulator Standard DIP Pitch Interface for embedded applications
Channel: 1 channel Relay Voltage: 5V High impedance controller pin Pull-down circuit for the avoidance of malfunction One normally closed contact and one normally open contact Triode drive, increasing relay coil
Standard interface layout, compatible with a variety of Arduinos such as the Pro Mini Original FTDI FT232 chip, stable performance USB power has current protection, using 500MA self-restore fuse RXD/TXD transceiver communication indicator With power, sending, receiving indicator, working status LED indicators Mini USB Port Connection Support 3.3V, 5V
5V 4-Channel Relay interface board and each one needs 15-20mA Driver Current. Equipped with high-current relay, AC250V 10A; DC30V 10A. Standard interface that can be controlled directly by microcontroller (for Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic). Indication LED’s for Relay output status.
Input Voltage: DC3.6V-6V Input Current: 2A-5A Output Voltage: DC 400KV (Please pay attention to safety when used) Input Line Length: about 100mm (red is positive) Output Line Length: about 160mm
Frequency: 125Khz. Support μEM4001, 4100, or its compatible RFID, ID card. Read first 10 digits of the RFID/Proximity card. Support Windows95/98/2000/XP/7/8. Plug and Play Reliable working condition Powered directly from USB, no need external power supply
Meet UL, CE requirements, Ultra-thin, ultra-small All voltage input (AC: 100 ~ 240V) Low ripple and low noise Output overload and short circuit protection High efficiency, high power density The product is designed to meet the requirements of the EMC and Safety Test
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