30W LM2587 Step-Up Voltage Module
- Input Voltage Range : 3.5V to 30V
- Output Voltage Range: 4V to 30V
- Input Maximum Current : 5A
- Power : 30W
- Efficiency : 92%
- Operating temperature: -40 ℃ – 85 ℃
- Load capacity: 80W (MAX)
- Mode of connection: Wiring terminals are free of soldering, IN is input, OUT is output.
- Suitable for 24V car or laptop power supply.
- Low ripples.
- High power.
- Module size: 37mm x 32mm x 15mm (L x W x H)
- Net weight: 31g
XR2206 High Precision Function Signal Generator
- Voltage Supply: 9-12V DC Input.
- Waveforms: Square, Sine & Triangle.
- Impedance: 600 Ohm + 10%.
- Frequency: 1Hz-1MHz.
- SINE WAVE.
- SQUARE WAVE.
- TRIANGLE WAVE.
- High resolution, can generate sine/triangle/square waveforms.
- Adjustable frequency and amplitude.
- Frequency adjustment features coarse tuning and fine-tuning.
- All are through-hole components, easy for installation.
- Dimension: Approx. 12 * 8 * 2cm
- Weight: 69g
4 Bits Tube Led Display Module Four Serial for Arduino 595 Driver
- Display common anode for the four red LEDs.
- Digital tube 8 Gray Adjustable.
- Level control interface for 5V or 3.3V.
- 4 M2 screws positioning holes for easy installation.
- Ease to use.
- Ease of multiplexing.
- Can use as a 4 digit display unit.
- Can use as a clock display.
- Used for Electrical/Electronic projects.
- Dimension: 42X24X12mm
PAM8406 Digital Amplifier Board 5W×2 Volume Adjustable D class module
- Working voltage:3.5 - 5V, limit operating voltage 5.5V
- Excellent noise suppression can hear any noise without connecting input audio
- Dual-channel stereo, 5v power supply is needed that can input 5w+5w power, to drive 4, 8 little speaker directly
- Volume adjustment of the right and left channel
- The unique non-LC filter Class-D digital power board used computer USB to charge.
- Dual-panel wiring solves the ground potential balance and avoids the crosstalk between channels caused by wiring
- Super miniature design
- Used machine to weld whole plate.
- Weight: 15 grams.
Digital LCD Indoor Temperature Humidity Meter Thermometer Hygrometer Gauge
- Material: Plastic
- Temperature range: -50 ° C to 70 ° C
- Measuring humidity range: 10% RH to 99% RH
- Humidity accuracy: 5%
- Moisture display resolution: 1% RH
- Accuracy of temperature: 1 ° C
- Operating voltage: 1.5 V or LR44 batteries (not included)
- Sampling period: 10 S
- Colour: Black
- Modern type indoor desk thermometer with hygrometer.
- One switchback of the thermometer that you can adust °C
- Ideal household decoration and ensure you the most desirable ambient temperature and humidity
- LCD dimension: approx. 40x22.5mm
- Dimension: approximately 48x28.5x15.2mm
Capacitor Touch Dimmer, Constant Voltage LED Stepless Dimming, PWM Control Board
- Voltage range: 4V to 5V
- Maximum output current: 500mA
- Hole distance: 16 mm
- Aperture: 5 mm
- The lamp brightness can be adjusted by requirement, it is very to operate.
- It can touch in medium protection, such as glass, acrylic, plastic, ceramics, and so on, which is very safe.
- Anti power and phone interference, the EFT can reach above +/-2KV; the touch response sensitivity and reliability will not be affected by the close distance or multi-angle mobile phone interference.
- Dimming mode: Non-polar PWM dimming.
- PCB size: 23 x 20mm