DC 5V Bluetooth Power Amplifier Board Micro USB Digital Amplifier Module
- Amplifier Chip: PAM8403
- Operating Voltage: DC 5V.
- Output Power: 2x 3W.
- Applicable Speaker Impedance: 4/6/8 ohm
- Audio input mode: Bluetooth audio receiver
- Mini size, convenient and easy operation
- Output interface: 2.54 gauge 4 needle
- Dual-channel digital power amplifier Board PBTL.
- 3W output and low power consumption.
- The sound quality is very good by using this module.
- Application: DIY Bluetooth speaker, home, and car audio system modification.
- Dimension: 42 x 25 x 5mm
- Weight: 3 gm.
TDA7492P 50W Wireless Bluetooth 4.0 Audio Receiver with Digital Amplifier
- Wide-range single-supply operation (8 – 26 V)
- Audio input: Stereo input various versions of the Bluetooth connection, using CSR8635 Bluetooth chip, Bluetooth v4. 0, high software compatibility
- 25 W + 25 W continuous output power at THD = 10% with VCC= 20 V and RL= 8 Ω
- Output impedance: 8o (4, 6, 8, 16o impedance can drive speakers)
- High efficiency (η = 90%)
- Four selectable, fixed gain settings of nominally 21.6 dB, 27.6 dB, 31.1 dB and 33.6 dB
- Differential inputs minimize common-mode noise
- Standby and mute features
- Short-circuit protection
- Thermal overload protection
- Externally synchronizable
- Colour: Red
- Material: Plastic
Dual USB 5V 1A 2.1A Mobile Power Bank Battery Charger
- Micro USB input: 5V 1A
- Charging voltage input: 5V-6V 1A.
- Step-up voltage output: 5V 1A/2.1A (Dual output, Total 2.5A).
- USB Output: 5V 2.1A / 5V 1A(Dual USB interface)
- Charging display: intelligent digital display
- Batteries Type: liquid lithium-ion batteries (18650)
- Best for Arduino, DIY Kits, Power bank, etc.
- Protection circuit: Overcharge protection: 4.250V Overcharge protection release: 4.100V.
- Protection circuit: Over-discharge protection: 2.900V Over-discharge protection release: 3.000V.
- Idle time before LCD switch off 60secs.
- Screen size:27mm x 17mm
- Dimension: 57mm x 28mm
Mini LCD Digital Thermometer Sensor Wired for Room Temperature
- Temperature Range: -50 to +110°C
- Temperature Display Resolution: ±0.1
- Temperature Measurement Accuracy: 1°C
- Cable Length: 1 Meter
- Easy to use, small, and handy module.
- Module powered by a pair of LR44 button batteries.
- Display Size: 34 x 15 mm
- Dimension: 46 x 26 x 15 mm
- LCD Digital Thermometer for Aquarium Freezer H155 New modelling is simple, elegant.
- LCD panels connections online, moisture-resistant, strong anti-interference
TEVO Tarantula I3 Aluminium Extrusion 3D Printer kit
- Layer resolution of 50 microns.
- MAX Printing Speed: 150 mm/s.
- Build size: 200X 200 X 200mm.
- Full Metal Bowden Extruder.
- Material type: PLA, ABS, PETG, Wood, PVA and Flexible Filaments (With Pro Metal Extruder).
- Material specifications 1.75mm in diameter.
- Positioning accuracy: Z 0.04mm, XY 0.012mm.
- Printing Color: Single color.
- Nozzle diameter: 0.4mm.
- Recommended extruder temperature: 210°C (the maximum can be set to 260°C).
- Heating plate temperature: 60-120°C (proper winter warming and summer appropriate cooling).
- Best ambient temperature: +/-25°C.
- Power requirements: 220V, 250W, 50Hz, 0.89A.
- Connection: TF card or USB.
- The file print format: STL, G-Code.
- Compatibility: Windows, Linux, Mac.
- CE, FCC specifications: CE, FC, ROHS.
- No Printed Parts.
- Easy Assembling.
- High Performance.
- 2020 and 2040 Aluminium Frames.
- Equipment size: 430 X 440 X400mm.
- Package size: 440X 340X 190m.
- Device weight: 7.5kg.
SIM28 GPS Module Modem with GPS antenna
- Operating voltage: 12V DC.
- Frequency l1, 1575.42mhz
- C/a code 1.023mhz chip rate
- 16-channels GPS search engine
- Ultra-low-power design (38mA, typical)
- Compact size
- Built-in low noise, high gain active antenna
- Super-cohesive magnetic for installation
- High sensitivity (up to -152dBm type)
- Super-cohesive magnetic for installation
- Apply to host devices with USB or RS232
- Compatible with TTL serial
8 Channel Tracking Sensor Module Board Trace Module Infrared Detection
5 Channel Tracking Sensor Module Board Trace Module Infrared Detection
- 5 channel high sensitivity sensor
- Operating Voltage: 0V - 5.5V
- Detection distance: 0 - 4cm (black and white line sensors), 0 - 5cm (adjustable distance detection)
- High accuracy for tracking black lines.
- Special touch sensor design, making the robot design simple
- Integrated infrared sensor barrier unblinded and distance can be adjusted by sliding rheostat
- Digital output signal
- Indicator LEDs