36O DEGREE ROTATIONAL ENCODER
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
JOYSTICK MODULE
DC-DC BOOST MODULE 0.9V-5V/5V 600MA USB MOBILE Power Supply Module
- Ultra-compact PFM chip
- Module properties: nonisolated step-up module
- Input voltage: 1v-5v
- Output voltage: 5.1v-5.2V
- Output current: rated 1A-1.5A
- Efficiency: 96%
- Output ripple: 30mv for 20M bandwidth
- Switching frequency: 500khz
- Voltage indication for led lights with load( for less than 2.7v led indicator off)
- Operating temperature:-40 degrees to 85 degrees Celsius
- Full load temperature rise: 30 degrees Celsius
- Quiescent current: 130ua
- Load regulation: +/-1%
- Voltage regulation: +/-0.5%
- Dynamic response speed: 5% 200Us
- Short circuit protection
- Reverse polarity protection
- Dimension: 2.5*1.8*1.8gm
- Weight: 400gm
4*4 MATRIX KEYPAD
The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Easy communication with any microcontroller
- Ultra-thin design
- Adhesive backing provides easy integration
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
4*3 MATRIX KEYPAD
- Operating voltage: 12V DC
- The maximum voltage across each button: 24v
- The maximum current across each button: 3mA
- Ultra-thin design
- Adhesive backing provides easy integration
- Easy communication with any microcontroller
- Flexible
- Only 7 microcontroller pins required to access 12 keys
- High price-performance ratio
- Allows microcontroller to scan 8 output pins to check which 16 button
- Long life
- Maximum operating temperature: 0 degrees to 50 degrees Celsius
- Dimension: 70*77*1mm
- Weight: 7.5gm
2 CHANNEL 5V RELAY
- High current relay
- Two LED S to indicate relays ON/OFF status
- Low-level trigger expansion board
- Opto isolation circuitry
- Works with logic level signal 3.3V or 5V devices
- Can be used as normally open (NO) or normally closed (NC)
- Back EMF protection
- Ensures diode current protection
- AC control voltage: 250v @mx10A
- DC control voltage: 30V @max 10A
- Easy installation and fixing
TAP Sensor Module
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
Logic Level Converter
VOLTAGE SENSOR
SOUND SENSOR
- IC Chip: LM393
- Operating voltage: 3.3V-5V
- operating current: 4-5 mA
- Voltage gain 26 dB (v=6v, f=1khz)
- Sensitivity of the microphone (1khz) :52 to 48 dB
- The impedance of the microphone: 2.2k ohm
- Frequency of microphone: 16 to 20 kHz
- Signal to noise ratio: 54 dB
- Signal output indication
- The output is digital.
- Single-channel signal output.
- With the retaining bolt hole, convenient installation.
- Output low level and the signal light when there is sound.
- Dimension:45*17*9mm
- Weight: 5gm