Boards & Shields
Schumann Signal 7.83Hz Low Frequency Pulse Generator Improves Sound Quality
$58.00
Now:
$45.00
1. Battery powered, no voltage ripple, more accurate output frequency2. Polymer lithium battery with overcharge/overdischarge/overcurrent protection3. Small size, easy to use, good effect4. Power supply: 5V Micro USB interface charging cable5. Battery:...
Adjustable PWM Signal Generator DC Motor Speed Controller(PCB)
$18.00
Now:
$14.00
1. Working voltage: 3.3-30V2. Frequency range: normal mode 1Hz-150KHz, fine mode 1Hz-15KHz3. Signal load capacity: the output current can be around 5-30mA4. Output amplitude: PWM amplitude is equal to supply voltage5. Suitable for opening size: about 7...
Current to Voltage Module 0 / 4-20mA to 0-3.3V5V10V Voltage Transmitter Signal Conversion Conditioning Adapter
$9.00
Now:
$7.00
1. Power supply current: 0-20mA2. Power supply voltage: 0-10V3. Power supply voltage: 7-36V4. Packaging: Static Bag5. Features: Wide supply voltage range, support multiple ranges, high stability, good linearity, high-precision color ring resistance, high...
LDTR-WG0271 ESP32-CAM WiFi + Bluetooth Camera Module Development Board ESP32 with Camera Module OV2640
$17.00
Now:
$13.00
Features1. Ultra-small 802.11b/g/n Wi-Fi + BT/BLE SoC module2. Low-power dual-core 32-bit CPU for application processors3. Up to 240MHz, up to 600 DMIPS4. Built-in 520 KB SRAM, external 4M PSRAM5. Supports interfaces such as UART/SPI/I2C/PWM/ADC/DAC6...
30 PCS 4A 2-Tandem 7.4V / 8.4V 18650 Lithium Battery Protection Board, Anti-Overcharge, Anti-Overdischarge
$41.00
Now:
$31.00
1. Dimensions: 35x16.6x2.5 mm2. Upper limit working current: 3A3. Upper limit instantaneous current: 5A4. Overcharge voltage range: 4.28V +/- 0.05V5. Over discharge voltage range: 2.9V +/- 0.05V6. Quiescent current: less than 3uA7. Charging voltage: 8...
UNO R3 CH340G Improved Version Development Board with 150cm USB Cable
$15.00
Now:
$12.00
Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...
LDTR-WG0178 LM2596 Power Step-down Voltage Regulator Module Voltmeter Display
$9.00
Now:
$7.00
1. Input voltage range: 4-40V DC; 2. Output voltage range: 1.25-37VDC adjustable; 3. Output current: 2A; 4. Voltmeter range: 0 to 40V, error +/-0.1V; 5. Input reverse polarity protection; Built in output short protection function; 6. Built in thermal...
LDTR-WG0238 X9C104 Digital Potentiometer Module For Arduino (Blue)
$14.00
Now:
$11.00
1. In resistance tester circuit, it is necessary to adjust the potentiometer to balance the resistance tester. Under the influence of temperature, humidity and vibration impact, the position and specifications of the potentiometer will be changed when...
UNO R3 CH340G Improved Version Development Board with 50cm USB Cable
$16.00
Now:
$12.00
Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...
UNO R3 CH340G Improved Version Development Board without Cable
$16.00
Now:
$13.00
Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...
UNO R3 CH340G Improved Version Development Board with 30cm USB Cable
$16.00
Now:
$13.00
Type:Voltage Regulator1. Packaging Electrostatic bag2. It use the same as official R3 board3. Use: Instrument4. Power supply voltage: 5v~9v5. Output voltage: 5V DC voltage output and 3.3V DC voltage output6. Plug in the development board, the driver will...
Waveshare IMX219-120 8MP 120 Degree FOV Camera, Applicable for Jetson Nano
$42.00
Now:
$32.00
Features1. Supports NVIDIA Jetson Nano Developer Kit2. 8 Megapixels3. Sensor: IMX2194. Resolution: 3280 24645. Lens specifications:- CMOS size: 1/4inch- Aperture (F): 2.2- Focal Length: 1.88mm- Angle of View (diagonal): 120 degree- Distortion:
5 PCS HW-131 Power Supply Module 3.3V 5V Bread Board
$13.00
Now:
$10.00
1. Two sets of 3.3V and 5V DC output pins are on board, which is convenient for external use2. The upper and lower two channels are independently controlled, which can be switched to 0V, 3.3V, 5V3. Output current: Less than 700ma4. Output voltage: 3.3V,...
7.83Hz Schumann Resonator Low Frequency Pulse Generator Universe(PCB)
$66.00
Now:
$51.00
1. Produced with precision components, low power consumption, no switch, can work after plugging in the power supply, with colorful breathing lights2. Acting on the space environment, it can relax people's body and mind, improve the body perception of...
Digital Display High-Precision Double-Off Automatic Constant Temperature Humidity Control Panel
$31.00
Now:
$24.00
1. Temperature measurement range: -20-60 degrees Celsius2. Humidity range: 0-100 percent RH3. Detection probe: Integrated sensor4. Output type: relay output5. Output capacity: up to 10A6. Power supply voltage: DC 6-30V7. Suitable for opening size: about...
4-20mA 0-10V Signal Generator Adjustable Voltage Current Simulator(Without Battery)
$45.00
Now:
$35.00
1. Output range: 0-20mA, 4-20mA, 0-22mA, 0-1V, 0-5V, 0-10V, 0-2.5V, 0-3.3V, -5V to 5V, 1-5V, 2- 10V, etc. can be switched and adjustable.2. Display mode: actual current/voltage signal value display, 0.0-100%, 0.0-50.0(Hz), switchable.3. The user can set...
MT3608 DC-DC Step Up Converter Booster Power Supply Module Boost Step-up Board Max Output 28V 2A for Arduino
$8.00
Now:
$6.00
Electrical characteristics1. The maximum output current: 2 a2. The input voltage: 2 v ~ 24 v3. The maximum output voltage: 28 v4. Efficiency: 93%Mechanical propertiesProduct size: 36 mm X 17 mm X 14 mmMethod of useThe module of the IN+ and - after 2~24v,...
Waveshare 0.96 inch OLED Display Module, 12864 Resolution, SPI / I2C Communication(E Blue)
$24.00
Now:
$19.00
1. Narrow bezel, small size, and equipped with level conversion circuit2. Four-wire SPI and I2C interface, good compatibility and fast transmission speed3. Provide supporting information manual (Raspberry Pi/Arduino/STM32 sample program)4. Working...
Waveshare 0.96 inch OLED Display Module, 12864 Resolution, SPI / I2C Communication(D White)
$24.00
Now:
$19.00
1. Narrow bezel, small size, and equipped with level conversion circuit2. Four-wire SPI and I2C interface, good compatibility and fast transmission speed3. Provide supporting information manual (Raspberry Pi/Arduino/STM32 sample program)4. Working...
Waveshare 0.96 inch OLED Display Module, 12864 Resolution, SPI / I2C Communication(C Yellow Blue)
$24.00
Now:
$19.00
1. Narrow bezel, small size, and equipped with level conversion circuit2. Four-wire SPI and I2C interface, good compatibility and fast transmission speed3. Provide supporting information manual (Raspberry Pi/Arduino/STM32 sample program)4. Working...