NOKIA DISPLAY MODULE
- Display technology: dot matrix LCD
- MCU interface: SPI
- Screen size: 1.5 inch
- Resolution: 84*48 pixels
- Operating voltage: 2.7v-3.3v
- Operating current: 50mA
- Current consumption: 6mA
- Consist of a Philips PCD8544 interface chip for easy interfacing
- Support decent graphics of bitmap images
- Available in green and blue backlight
- Viewing angle: 180 degree
- supports different types of MCU, such as Arduino, AVR, SPI, M, CS51
- Transfer rate up to 4Mbps, can full speed write data without waiting time
- Dimension:10.16*7.62*1.27cm
- Weight: 10gm
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
MT3608 2A MAX DC-DC STEP UP POWER MODULE BOOSTER
- Input voltage: 2V-24V
- Output voltage: 5V-28V
- Output current: 2A
- Efficiency: 96%
- Fixed switching frequency: 1.2MHz
- Integrated 80mohm power MOSFET
- Internal compensation
- Automatics pulse frequency modulation mode
- Operating temperature: -40 degree to 90 degree Celsius
- Low-cost converter module
- Simple to adjust to get desired increase I voltage
- Can source a good amount of current
- Dimension: 37*17*7mm
- Weight: 4gm
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.
MP1584EN MINI 3A DC-DC CONVERTOR
- Input voltage: 4.5V-28V
- Output voltage: 0.8V-20V
- Output current: rated 3A maximum
- Switching frequency: 1MHz
- Output ripple: less than 30mV
- Efficiency: 96%
- Operating temperature: -40 degree to 85 degree Celsius
- Accuracy: +/-0.5%
- Internal soft-start
- Ceramic capacitor stable
- Internally set current limit without current sensing resistor
- Dimension:22*17*4mm
TP4056 Li-ion 5V/1A 18650 BATTERY CHARGER
- Input interface: Micro USB
- Input voltage: 4.5V-5.5V
- Full charge voltage: 4.2V
- Current: 1A adjustable
- Charge precision: 1.5%
- Battery over-current protection: 3 A
- The battery Under-voltage protection: 2.5 V
- Linear charging mode
- Maximum charging current output: 1000 mA
- Use mature charging chip TD4056 for simple peripheral circuits
- Good performance & high charging accuracy
- Dimension: 25*19*10m
- Weight: 16gm
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
MFRC522 RFID 13.56MHz
- Integrated MFRC522 module 13.56MHz RFID module
- Operating voltage: 2.5V to 3.3V
- Supports SPI, I2C protocol, UART communication
- Maximum data rate: 10Mbps
- Read range: 5cm
- Current consumption: 13-26 mA
- Power down mode consumption: 10mA
- Low cost and low voltage device
- Advanced modulation and demodulation concept completely integrated into all types of 13.56MHz passive contactless communication method and protocol
- 14443A compatible transponder signal
- Can be directly loaded into various reader molds
- Dimension: 12.3*11.9*3.8cm
- Weight: 20gm
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
LM386 LOW VOLTAGE AUDIO POWER AMPLIFIER
- Supply Voltage: 4-15V
- Analog input voltage 0.4V (maximum)
- Quiescent Power: 24mW @ 6V
- Voltage Gain: 20 to 200 (26dB to 46dB)
- PSRR: 50dB
- Speaker impedance: 4Ω
- On board power indicator
- On board speaker wiring block
- On board 10k variable resistor, for volume adjustment
- 200 multiplier benefit circuit design
- Available in 8-Pin PDIP,SOIC and VSSOP packages
- Used in AM & FM radio amplifiers, music players, power amplifiers etc.