VS1053 MP3 Recording Module Development Board with Onboard Recording For UNO
- SPI interface, the control signal lines are led out
- A headphone and stereo output
- Onboard Microphone for recording
- A line-in input interface
- Separate 3.5 mm Jack for MIC and Speaker
- Onboard Power Indicator
- 3V and 2.8V of LDO chip AMS-1117 on board provides up to 800mA current
- Can play a variety of music formats, support for OGG encoding real-time recording
- A single power supply: +5 VDC
- 288 Mhz crystal
- TF card slot
MAX7219 led module 8 digit 7 segment display
- Power: 5V
- Colour: Red/Blue (This colour means the colour of the board, not the LED)
- Material: PCB + Electronic Components
- MAX7219 digital display control module
- This module is compatible with 5V and 3.3V microcontrollers.
- You can use it for Arduino
- Only three IO ports are used to drive the eight-digit display. MAX7219 supports flicker-free displays as well as cascading displays.
LIQUID PH TESTING SENSOR MODULE PH0-14
DB9 Female screw Terminal to RS232 RS485 Conversion Board
- Perfect for experimentation and prototype work
- Brings all 9 pins of a DB9 connector to screw terminal blocks
- Adapter used for communication debug
- 9 pcs signal line was all lead out, name and number clearly labelled
- All-copper DR9 seat, anti-oxidation, better contact
- Military board, three anti-paint sprays an entire board, corrosion-resistant
- Terminal spacing 3.96MM, screw hole diameter 2MM, need to use a width of 2MM screwdriver for assembly
- Use of environmentally friendly copper terminals, through IS0-9001.
AD620 Microvolt/Millivolt Voltage Amplifier Module
KY-036 Metal Touch Sensor Module
- Main chip: LM393
- Working voltage: for DC 5V
- Single-channel signal output
- Low-level output signal used for human body touch sensor alarm
- Adjustable sensitivity
- Pin Connector to board: 4 Pins
- Dimensions: 43 x 16 x 15 mm / 1.69 x 0.63 x 0.59 inch
- Single-channel signal output
- Low-level output signal used for human body touch sensor alarm
- Adjustable sensitivity
- Long life
- High reliability
RIKO SN04-N NPN Inductive Proximity Sensor
• Operating Voltage(V): 10 ~30
• Current Consumption Max: 5 mA
• Detection distance(mm): 5 mm.
• Type of detection: Inductive.
• Cable Length: 145 cm.
• Response Frequency: 500Hz Max.
• Protection class: IP 67
• Red LED checks the state of the proximity sensor
• High repeated positioning accuracy
• High switching frequency
• Wide voltage range
• Antivibration, dust, water and oil prevention
• Reverse power protection, short circuit protection, directly connecting with PLC
• It can replace small switches and limit switches
A4988 STEPPER MOTOR DRIVE CONTROLLER BOARD
- Operating voltage supply: 8 V to 35 V
- Continuous current per phase: 1 Amp
- Maximum current per phase: 2 Amp
- Minimum logic voltage: 3V
- Maximum logic voltage: 5.5V
- Microstep resolutions: Full, 1/2, 1/4, 1/8, and 1/16
- Compact size, easy to install and use.
- All jumpers hit the ON position to indicate 16 subdivisions (4988) or 32 subdivisions (8825).
- Jm connection motor; Jv Connects 5V and 12V-24V Power Supply.
- E /S /D /G of Jc corresponds to Enable /Step /Dir /Gnd driving signal output on the connection respectively.
AMS1117 5V POWER SUPPLY MODULE
• Input: DC 6.5V – 12V (input voltage must be more than the output voltage (more than 1V))
• Output: 5V, 800mA (load current cannot exceed 800mA)
• Onboard AMS1117 chip.
• Onboard power indicator to indicate power is turned on: Red LED.
• Output voltage interface, connection to facilitate the experimental.
• Specially designed two pin mounting holes, can be directly fixed on the whole expansion board for experiments.
• Small Compact Size, 4Pin Type, Breadboard Friendly.
• 2P single row pin input and output for easy connection
• Dual-panel design, the layout is nice
Micro USB Breadboard 5V Power Supply Module
MPR121
- Connection Interface: I2C.
- Operating Voltage: 2.5-3.6 VDC
- Application: Capacitive Touch Sensor Controller
- Number of touches inputs:12
- Capacitive touch sensor controller is driven by an I2C interface.
- Can control up to twelve individual electrodes, as well as a simulated thirteenth electrode.
- Eight LED driving pins.
- Connection to the microcontroller /microprocessor via I2C bus.