NE555 PULSE FREQUENCY ADJUSTABLE MODULE
- Input voltage: DC 5V-15V
- Output amplitude: 4.2V V-PP to 11.4V V-PP
- Input current: 100mA
- Output current: 15mA for 5v & 35 mA for 12v
- 50% duty cycle form 3.7hz(minimum)
- 98% duty cycle for 1.3 KHz(max)
- Output LED indication
- Generate adjustable pulse for MCU
- Generate adjustable pulse to control circuitry
- Dimension: 31*22*2mm
TF-M16P MICRO SD CARD MODULE
- Supports MP3 and WAV decoding.
- Supports a maximum of 32GB micro SD card and 32GB USB flash drive.
- Supports AD key control mode and UART RS232 serial control mode.
- 24-bit DAC output
- Supports dynamic range 90dB and SNR 85dB.
- Supports FAT16 and FAT32 file systems.
- Audio files are sorted by folders; supports up to 99 folders, and each folder can be assigned to 255 sound files.
- Supports inter-cut advertisements.
- 30 levels adjustable volume, and 6 levels adjustable EQ
- Built-in 3W amplifier that can directly drive a 3W/8Ohm speaker.
- Support maximum 3000 audio files under the root directory of the storage device
- Support random playback.
- Support maximum of 99 folders, each folder can store 255 audio files
- Supports playback of specifying folders.
MICRO SD CARD ADAPTER
- Support Micro SD (<=2G), Micro SDHC cards(<=32g)
- Operating voltage: DC 2.6 V to 3.6V
- Quiescent current: 16 μA
- Support playing of 4-bit ADCPM format
- Support FAT files system SD carrier
- Recognize voice files automatically
- Support microprocessor and key control
- Audio output: 16bit DAC and PWM
- Maximum voice storage: 512 voice
- The level conversion circuit board that can interface level is 5V or 3.3V
- Communication interface is a standard SPI interface
- The power supply is 4.5V~5.54V, 3.3v
- Dimension: 4.1*2.4CM
MAX6675 K-TYPE THERMOCOUPLE TEMPERATURE SENSOR
- Internal integrated cold junction compensated circuit
- Operating voltage: 3V to 5.5V
- Temperature signal converted to 12-bit signal
- Thermocouple break detection circuitry
- 25-degree resolution
- K-type temperature probe
- Simple SPI serial output temperature.
- High impedance differential inputs.
- 2000v ESD signal
- Temperature range: 0 degrees to 1024 degrees Celsius
- Temperature measurement accuracy: +/-1.5 C
MAX485 TTL TO RS-485 MODULE
- Operating voltage: 5V
- On board MAX485 chip
- Slew rate limited transceiver
- All the pins of the chip are controlled by the microcontroller
- use differential signalling for immunity
- 120R terminating resistor
- Power LED indication
- Distances up to 1200 meters
- Use differential signalling for noise immunity
- Speeds up to 2.5Mbit/Sec
- Multi-drop supports up to 32 devices on the same bus
- Low power consumption
- On-board 5.08mm pitch 2P terminal to facilitate RS-485
- DIMENSION: 44*14mm
ACTIVE BUZZER ALARM
- Operating voltage: 3.3V to 5V
- The Transistor driver module uses S8550/9012
- Wire length: 20.5cm
- Easy installation by the fixed bolt hole
- 3 pin TTL cable
- An active buzzer with a concussion internal source is called to be energized
- The program easy to control-SCM high low sound
- When input I/O input is low level, the buzzer sounds
- 28*13.29*11.5mm
ISD1820 MODULE (10 SEC)
- Operating voltage: 2.6v to 5v
- Record and playback up to 10 sec
- Push-button and microcontroller controllable AGC circuit added tom increase audio playback volume
- Recording time: 8- 20 sec
- Built-in microphone
- On-chip 8-ohm speaker driver
- High quality, natural voice restored
- Available single-chip control audio recording control mode: the key to control or microcontroller, IO has drawn the line of control
- Can be used as propaganda module
- Auto power down mode
- Duration and sample rate can be extended to 20 sec by varying resistance
- Dimension: 43*34*11mm
ISD1760 MODULE (75 sec)
- On-board ISD1760 chip
- Operating voltage: 5v
- 75 sec of audio playback
- Onboard microphone for direct recording
- Frequency: 6KHz or 8KHz
- Recording time: 6K/75 sec, 8K/60 sec
- Output all pin for chip control
- Easy interface with microcontrollers using 2.54mm spaced male pin headers
- High-quality natural voice reduction
- LED status indication
- Long recording time and multiple messages
- Simple operation and better voice quality
- Control not only by buttons but also by SPI from a microcontroller
- Recording, erase, play, FT, fast forward, reset volume buttons
- Dimension: 49*41.5mm
- Weight: 22gm
I2C MODULE WITH 16*2 CHARACTER LCD
- Supply voltage: 5V
- Display mode: STN
- Display format: 16*2
- Input data: 4 bit or 8 bit (for LCD)
- I2C address: 0x20~0x27 (original address is 0x20,we can change it ourselves)
- Compatible with multiple communication logic levels: 2.8~5VDC
- Compatible for 16*2 LCD
- Serial I2C control of LCD display using PCF8574
- Allow data display via only 2 wires.
- Backlight and contrast adjustment by the potentiometer
- Supports 7 ASCII fonts, 5 graphic functions
- Supports 128 level backlight lightness adjustment.
- Support 64 level screen contrast adjustment
- Supports device address modification
- Dimension: 10*4*5cm
- Size: 150gm
IRF520 MOSFET DRIVER MODULE SENSOR
- Operating Voltage: 3.3v & 5v
- Digital level port
- Output load voltage: 0-24v
- Output load current: <5A
- The heat sink is added for currently more than 1A
- Compatible with Arduino, MCU, ARM, Raspberry pi
- PWM dimming LED used to step-less dimming, variable-speed motor
- Output PWM can be adjusted by the original IFR520 MOS
- Arduino can drive up to 24V, such as led lights, dc motors, miniature pumps, solenoid valves etc.
- Dimension:34*30*18mm
- Size: 10gm
AC-DC Power Module HLK-PM12 230V to 12V /3W
- Rated input voltage: AC 100V -230V
- Input voltage range: 90V -264V AC
- Maximum input current: <0.2A
- Input current surge: <10A
- Maximum input voltage: <270V AC
- Input Low Voltage Efficiency Vin=110V AC,Output full-load≥ 69%
- Input High Voltage Efficiency Vin=220V AC,output full-load≥ 70 %
- Short-term maximum output current: ≥1000 mA
- Long-term reliability
- Voltage Regulation: ±0.2%
- Load Regulation: ±0.5%
- Ultra-thin and small module
- High efficiency, high power density
- Low ripple and low noise
- Output overload and short circuit protection
- Working temperature: – 20 degrees to +60 degrees Celsius
- Storage temperature: -40 degrees to 80 degrees Celsius
- Relative humidity: 5-95%
- Cooling way: Natural cooling
- Atmospheric pressure: 80-106Kpa
- Weight: 21g
- Size: 38x23x18mm