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VHM-314 V3.0 Bluetooth Audio Receiver Board
- Supply Voltage: 5V USB / 3.7V lithium battery
- Output Port: 3-wire audio interface/DIY pad
- Output Type: Analog signal
- Bluetooth name: VHM-314-V3.0
- Bluetooth version: 5.0
- Bluetooth passcode: no password
- Sound source: Bluetooth. USB-PC input(after the back pad is connected, the computer can be connected as a sound card though Micro)
- Operation method: Button/IR control
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VHM-314 V3.0 Bluetooth Audio Receiver Board can be used in DIY kit. Using Bluetooth technology, the data can be transmitted to mobile phone and other devices, and the audio source is stable. The receiver is a Bluetooth module that connects to your radio and wired headset or speaker.
The board is designed to be used for various electronic devices like mobile phones and tablets. The main board has lossless sound quality, no noise, no radiation, and no delay. Support the wireless audio function of the mobile phone, you can also use it as a single button control. Meanwhile, the main board is made of abs material, which can provide stable performance. The wireless receiving module is suitable for various kinds of Bluetooth devices such as smart phones and tablets.
The Bluetooth receiver is a wireless communication device that connects to the computer with the help of simple button operation and can provide you with the latest wireless experience. As a wireless communication tool, it is suitable for the use of various electronic parts that are used in the fields. Support Bluetooth audio interface, can be used to connect mobile phones, computers and other devices with wireless receiving and transmitting function of music.
- Made of high quality material, solid, durable and good performance, long service life.
- The new version of VHM-314-V3.0 adds infrared remote control, buttons, DIP switch, charging, and other functions, and the sound quality has also been improved.
- DIY interface-PC: Connect the USB-PC on the back of the board, connect to the computer through MICRO to use as a sound card, and the infrared remote control can switch to Bluetooth mode at any time.
- Infrared remote control: Power on / off / mode switch / mute / pause / prev / next / EQ switch / volume ±(mode can be switched only as a sound card, volume ± can synchronize computer volume).
- DIY interface-M: H-L, power on high-level output, output low level after 1s; L-H, power on low level output, output high-level after 1s(can be connected to mute pin according to power amplifier, can realize Bluetooth mute function without music output, eliminate power on Po sound, low power consumption, etc.)
- Toggle Switches: When only powered by battery: used as a switch. When powered by USB, the module cannot be switched. (Only when the USB power supply is not connected to the battery, please switch to the Micro end power supply, otherwise the sound quality may be affected).
- Designed with the LED indicator light, Bluetooth indicator: blue; power indicator: red.
- Bluetooth 5.0, Bluetooth audio source, Infrared remote control, DIP switch.
|Item Type:||MP3 Bluetooth decoder board|
|Size:||decoding board: 32x30mm/1.2x1.1in, remote control: 85x39mm/3.3x1.5in|
|Bluetooth name:||VHM-314 V3.0|
|Bluetooth version:||Bluetooth 5.0|
|Supply voltage:||5V USB/3.7V lithium battery|
|Output port:||3-wire audio interface/DIY pad|
|Output type:||Analog signal|
|Operation method:||Button/IR remote control|
|Shipment Weight||0.045 kg|
|Shipment Dimensions||10 × 10 × 6 cm|
Bluetooth connection interface:
After opening the Bluetooth interface of the mobile phone, after displaying VHM-314 V3.0, click the name to connect and use. After the connection is successful, a "ding dong" prompt will sound, and when you disconnect, there will be a "deng deng" sound.
Instruction and Warm Tips:
- Please use a maximum of 5V power supply for the BAT interface, which can be directly powered by a 3.7V lithium battery.
- The maximum charging voltage of the MICRO interface must not exceed 6V.
- The toggle switch can only control the battery switch, and the power supply can only be switched after the USB is inserted, whether it is battery power or MICRO power supply.
- When there is only MICRO power supply, toggle the switch to the MICRO terminal to avoid the sound quality damage due to insufficient power supply current.
- VHM-314 does not have a charging version, you cannot directly charge a lithium battery without a lithium battery protection chip
1 x VHM-314 V3.0 Bluetooth Audio Receiver Board
Bluetooth Protocol: Bluetooth Specification V4.0 BLE USB Protocol: USB V2.0 Operating Frequency: 2.4GHz ISM band Modulation Mode: GFSK (Gaussian Frequency Shift Keying) Transmitting Power: ≤4dBm Sensitivity: ≤-84dBm at 0.1% BER It’s easy to use and completely encapsulated. You can set it as slave or master. You can use AT command set the baud rate.
USB communication, no need write code Support PC software automation Double antenna Support quad-band, universal worldwide Support 2G/3G/4G Automatically connect to the network Adaptive frequency
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ESP32 Bluetooth Wi-Fi development board, support NodeMCU / Arduino DHT11 temperature and humidity sensor CP2104 communication chip USB TO TTL Micro USB port Soil probe (long) soil temperature and humidity detection module 18650 Lithium Battery Holder Powered (Battery is not included)
Supply Voltage: 4.5 – 5.5 V. Current : <40 mA. Digital Interface : 5V TTL level for UART interface and GPIO. Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking). Maximum 7 voice commands effective at same time. Arduino library is supplied. User-control General Pin Output.
The main chip: ISD1820. Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.
Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
Operating voltage: 2.5V-5.5V Maximum output power: 3W x 2 PCB size is about: length 30mm width 22mm overall height after installed is about 16mm Built with switch Potentiometer, can adjust the volume & control power switch freely! Flexible assembly usage.
Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150
Digital I2S interface with high precision 24-bit data High signal to noise ratio is 61 dBA High sensitivity – 26 dBFS Stable frequency response from 60 Hz to 15 kHz Low power consumption: low current consumption 1.4 mA High PSR: -75 dBFS
Operating Voltage: DC 2V- 9V Operating frequency: 85MHZ - 115MHZ Output Impedance: 50 ohms
Brand new and high quality. 1-Channel Relay interface board, Equipped with high-current relay : 15A @ 125V AC or 10A @ 250V AC Standard interface that can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM) **Relay Brand is different from the picture as per stock
Contactless transmission of data and supply energy (no battery needed) Operating distance: Up to 1 to 5 cm (Depending on Antenna Geometry) Operating frequency: 125KHz Data transfer: 106 kbit/s Data integrity: 16 Bit CRC, parity, bit coding bit counting Anti-collision Printable Package Content: 1x Card
Frequency: 125Khz. Support μEM4001, 4100, or its compatible RFID, ID card. Read first 10 digits of the RFID/Proximity card. Support Windows95/98/2000/XP/7/8. Plug and Play Reliable working condition Powered directly from USB, no need external power supply
Operating Voltage (logic level): 5V With Mini USB 8 analog inputs ports: A0 ~ A7 14 Digital input / output ports: TX, RX, D2 ~ D13 1 pair of TTL level serial transceiver ports RX / TX Using Atmel Atmega328P-AU MCU There is a bootloader installed in it Standard 0.1” spacing DIP (breadboard friendly). Manual reset switch.