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
The performance is much higher than LM2577. Non-isolated Boost converter. It has a non-synchronous rectifier. Low ultra wide input voltage 3 v ~ 32 v, the best is 5 ~ 32 v working voltage range; Low ultra wide output voltage 5 v ~ 35 v;
Model: XL6019 Product: Adjustable Boost Power Supply Module Input Current: 5A (MAX) Input Voltage: DC 3-35 V Switching Working Temperature: Industrial (-40 ° C to + 85 ° C) Negative Output Voltage: DC 5-40V (Adjustable) Frequency: 220 kHZ
Applications Robotics Security systems Medical tags Computer Peripherals Package Identification Theft protection systems Data authorization Unique Identity Body implants
Onboard TTP224 capacitive touch sensor IC 4 keys 4 board-level status indicator Working voltage: 2.4V-5.5V Advanced Pins breakout, so that the output mode and working mode selectable. Low power selection
Easy for installation Compact & small in size This is a Triple display voltmeter,ammeter & hertz meter Good environmental Protections Very low Power consumption
Easy for installation Compact & small in size This is a 3-in-1 display voltmeter,ammeter ,hertz meter Good environmental Protections Very low Power consumption
Electrical parameter measurement function (voltage, current, active power, energy, frequency, power factor) Overload alarm function (over power alarm threshold, backlight, and power flashing to alarm). Power alarm threshold preset function (can set power alarm threshold). The energy can be reset using the key.
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