Others

• Supported sampling rates (kHz): 8/11.025/12/16/22.05/24/32/44.1/48.
• 24 -bit DAC output, support for dynamic range 90dB , SNR support 85dB.
• Fully supports FAT16 , FAT32 file system, maximum support 32G of the TF card, support 32G of U disk, 64M bytes NORFLASH.
• A variety of control modes, I/O control mode, serial mode, AD button control mode.
• Advertising sound waiting function, the music can be suspended, when advertising is over in the music continue to play.
• Audio data sorted by folder, supports up to 100 folders, every folder can hold up to 255 songs.
• 30 level adjustable volume, 6 -level EQ adjustable. 

Specification:

• DC Load input: 0-25V
• DC Signal Read by Arduino: 0.02445 - 25V
• Resolution of module: 0.00489

Details:

• Active Single Phase Voltage Transformer Module AC Output Voltage Sensor
• Equipped with ZMPT101B series of high-precision voltage transformer and high-precision op amp current, easy to 250V within the AC power signal acquisition
• Voltage Transformer: On-board Precision Micro Voltage Transformer
• Operational amplifier circuit: high-precision on-board amplifier circuit, the signal to do the exact sampling and appropriate compensation and other functions
• Mode voltage output: the module can measure AC voltage within 250V, the corresponding output mode can be adjusted
• PCB board size: 49.5 (mm) x 19.4 (mm)

• Material: circuit board
• Color: purple
• Working voltage: 3 ~ 5V
• Communication method: IIC
• Measuring absolute distance: 2m
• Xshutdown (reset) / GPIO (interrupt)
• Product size: 2.5*1.2*0.5cm

• General 102 BC e. encapsulation module, users can directly replace use, without changing the circuit design.
• high sensitivity, low noise, strong anti-jamming ability, several external components, small size (11 * 11.2 mm max), extremely easy to use.
• 76-108 MHz Global FM band is compatible with 76-91 MHz (including 87.5 108.5 MHz in Japan and Europe and the United States).
• i 2 C serial data bus communication interface, and support for external reference clock input mode.
• COMS technology a fully integrated single chip integrated circuit, low power consumption.
• Built-in high precision a / d (ADC) and digital frequency synthesizer.
• Built-in "adjustment, low power consumption, super wide voltage range (2.7 to 3.6 V DC).
• Built-in noise reduction, soft-mute, bass boost design.
• 32 Ω load High output audio power, headset to link directly, without an external audio driver amplifier.
• Application simple, low cost, high cost-effectiveness.

• Single-Supply Operation (2.7V to 5.5V)
• High-Resolution Conversion of Light Intensity to Frequency
• Programmable Color and Full-Scale Output Frequency
• Communicates Directly to Microcontroller

• 3.3V / 5V wide voltage input
• Hardware filtered output signal, low jitter
• Gravity connector and BNC connector, plug and play, no welding
• Software library supports two-point calibration, and automatically identifies standard buffer solution
• Uniform size and connector, convenient for the design of mechanical structures

• 2 Way Joystick Module

Kit Includes:

• Pulse Sensor Board
• 24-inch Color-Coded Cable with Standard Male Headers
• Ear Clip for Earlobe Heart Rate Measurement
• Velcro Finger Strap
• Transparent Stickers to Protect Sensor

Features:

1. Small size.
2. Simple wiring.
3. Targeted.
4. Custom installation.

• Switch Type: NO(normal Close type), the circuit is Open normally, and, circuit is connected when magnet is near.
• The reed switch is an electrical switch operated by an applied magnetic field.
• Designed for use with alarm systems. Great for use in family and factory window, door. etc.

Specification:

• MC-18 magnetic sensor alarm (normally close)
• Contact capacity: 0.5A(Maximum Switch Current)
• Switch voltage: 100V
• Rated Power: 10W
• Breakdown volt: DC 200V
• Operation Distance 15-25mm
• Cable length:20cm/7.9"
• Size(approx): 23 x 14 x 7mm (L*W*H)
• Color: Black
• Housing Material: ABS
• Weight: 7g
• Package content: 1 Pair x MC-18 magnetic sensor alarm

Dimension:

• Overall length: 2.375"
• Overall width: 0.75"
• Sensing diameter: 0.6"