XB NEMA 34 (86mm-S) Coupling 12.7x8mm
- Material: Aluminum alloy hubs and elastomeric polyurethane spider.
- Product Type: Clamp-style jaw coupling without keyway.
- Large Bore Diameter: 12.7mm
- Small bore diameter:8mm
- Number of Screws: 2 each.
- Angular Misalignment: +/-1°.
- Parallel Misalignment: +0.20mm/-0.20mm .
- Maximum Rotational Speed: 6500RPM.
- Suitable for Nema 23 Stepper Motor or for any motor/rod having an 12.75mm diameter
- Widely used in motors, stepper motors, encoders, and servo machines
N20 Model – 500 RPM DC 12V Torque Gearbox Micro Gear Box Motor
- Reduction ratio - 1:30.
- Nominal Voltage - 6v
- Voltage Range - 3v to 12v
- RPM - 500
- No-load Current - 40mA
- Stall Current - 550mA
- Stall Torque - 400 g-cm
- Ideal for making robots
- Lightweight, high torque and low RPM.
- Fine craftsmanship, long-lasting, not easy to wear.
- Can easily mount a wheel on the motor’s output shaft.
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
Ina219 I2C BiDirectional DC Current Power Supply Sensor Breakout Module
- 1 ohm 1% 2W current sense resistor
- Up to +26V target voltage
- Up to ±3.2A current measurement, with ±0.8mA resolution
- Senses Bus Voltages from 0 to 26 V
- I2C- or SMBus-compatible interface. The
- Reports Current, Voltage, and Power
- 16 Programmable Addresses
- Filtering Options
- Calibration Registers
- SOT23-8 and SOIC-8 Packages
- Using a single power supply, the working voltage is between + 3.0 to + 5.5 V.
- Calibration programmable registers directly read its unit of measure in the ampere current, and power in watts per reading.
- For as many as 128 samplings averaging, in order to realize filter in the noise environment.
- The I2C interface timeout, not only avoid the bus lock but also can provide high-speed mode, meet the communication requirements of up to 3.4 MHz.
- Supported software programmable INA219.
- Dimensions: 0.9*0.8inch
- Weight: 1.9g
DC 50A 75mV Current Shunt Resistor for Amp Meter Gauge
EYE BLINKING SENSOR
- Working Voltage +5V DC
- TTL output 5V or 0VSimple setup.
- Remote detection - no mechanical contact with the eye.
- Stray visible and IR light not affected.
- Our system does not require the restraint of the external eyelids.
- Head movement not affected.
- Excellent frequency characteristics (DC to more than 500 Hz).
- Excellent working distance (15-25 mm).
- Difficult to calibrate using common units of eye blink measurement. (e.g. mm of eyelid displacement)
Arduino Compatible Nokia 5110 Prototype Proto Shield Expansion Board
- Supports Nokia5110 display
- Standard 0.1"x0.1" prototyping grid with big pads
- Comes with Stacking headers and plain header, choose whichever you want when soldering together
- Â IC pattern for adding DIP ICs up to 20 pins
- Power rails down the middle and sides
- Reset button and an extra general use button
- 2 3mm general use LEDs, red and green, as well as 2 matching resistors
- A pass-thru ICSP stacking header so you can stack any kind of shield on top, and/or use an AVR programmer
- Surface-mount chip area for up to 14 SOIC size parts
- Compatible with tiny breadboards
- Every pin is brought out
- Gold plated pads
- 2 x 0.1uF capacitors on either side for extra power stability
MG90S 9G Metal Gear Micro Servo Motor
- Modulation: Analog
- Gear Type: Metal
- Stall Torque@ 4.8V: 2.20 kg-cm
- Stall Torque@ 6.0V: 2.50 kg-cm
- Speed at 4.8V: 0.11 sec/60°
- Speed at 6.0V: 10 sec/60°
- Weight: 49 oz. (14.0 g)
- Dimensions: 23.1*0.48*1.14
- Rotation/Support: Dual Bearings
- Rotational Range: 180°
- Pulse Cycle: 20 ms
- Pulse Width: 400-2400 µs
J-link Emulator V8 all-ARM JTAG Adapter Converter for TQ2440 MINI2440 K98
MEMS Microphone Breakout – INMP401 (ADMP401)
- -3dB roll off at 100Hz and 15kHz
- supply voltage: 1.5 to 3.3VDC
- Should comfortably output 40mW
- SNR of -62dBA
- Should comfortably output 40mW
- Omnidirectional MEMS microphone
- High SNR
- Sensitivity of −42 dBV
- Low current consumption of <250 μA
- Single-ended analogue output
- High PSRR of 70 dB
- Compatible with Sn/Pb and Pb-free solder processes
- 72 mm × 3.76 mm × 1.0 mm surface-mount package
HC-06 RF Wireless Bluetooth Bee V2.0 Module Xbee V03 Shield Board Arduino
- Power supply: 3.3V
- A power supply of more than 3.3V will destroy the module.
- Paring user’s name: HC-05
- Default baud rate: 9600
- Default slave model
- Default pairing password: 1234
- It can be used for an MCU system whose voltage is 3.3V.
- Users can set baud rate, paring password, and user’s information by AT command.
- Bluetooth adapter pairs with Bluetooth Bee salve device.
- With an efficient onboard antenna, the exposed antenna qualifies the transmit signal and make it farther.
- Be used with for Arduino Bluetooth Bee module, it can communicate with other Bluetooth device wireless
- Be used with Xbee module to achieve communication between more than two for Arduinos or communication between for Arduino and PC
- Dimension: : 3.3 x 2.5 x 0.9 cm
- Weight: 5g
![RF 433Mhz RX TX Encoder Decoder board [HT12E & HT12D IC]](https://www.mathaelectronics.com/wp-content/uploads/2021/02/ROBOSOFT-LABS-RF-RX-TX-ENCODER-DECODER-MODULE-BOARD-SKURL5037-228x228-1.jpg)
RF 433Mhz RX TX Encoder Decoder board [HT12E & HT12D IC]
- Operating voltage: 3.6~5.5v ( 5v recommended),
- Receiver sensitivity as high as -110dbm,
- Compatible with HT12E and HT12D,
- Low power and good range.
- High-frequency stability and low coherence and interference
- Easy interfacing with the RF modules, using the female headers for placing the modules.
- Breakout pins for connecting to the microcontroller.
- DIP Switch for Address Selection (when multiple modules are used at one location)
- Status LED for valid transmit.
- Supports both ASK, FSK RF modules
- Small size, high quality PCB.