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  • Breakout board for DRV8825 microstepping bipolar stepper motor driver
  • Simple step and direction control interface
  • 6 different step resolutions
  • Supply range: 2.0V - 5.5V
  • Current consumption: Low
  • Programmable data rate: 8SPS to 860SPS
  • Battery monitoring: up to 125°C
  • Specificed temperature: 40°C
  • Jumpers Selectable:  I2C 7-bit adresses
  • Logic level shifter Bi-Directional with 4 channels between high logic voltage and low logic voltage
  • Each level converter has the capability of converting 4 pins on the high side to 4 pins on the low side with two inputs and two outputs provided for each side
  • This 4 channels bi-directional logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V at the same time
  • This level shifter board combines the ease-of-use of the bi-directional TXB0108 with an I2C-compatible FET design following NXP's app note.
  • This breakout has 4 BSS138 FETs with 10K pullups.
  • It works down to 1.8V on the low side, and up to 10V on the high side.
  • Working voltage: 3~5v
  • I2C Digital-output of 6 or 9-axis MotionFusion data in rotation matrix, quaternion, Euler Angle, or raw data format
  • Tri-Axis angular rate sensor (gyro) with a sensitivity up to 131 LSBs/dps and a full-scale range of ±250, ±500, ±1000, and ±2000dps
  • Tri-Axis accelerometer with a programmable full scale range of ±2g, ±4g, ±8g and ±16g
  • Solve the connection for 3.3V and 5V system
  • Convert 5V to 3.3V & 3.3V to 5V at same time
  • Able to work with 2.8V and 1.8V devices
  • Conversion level range: 1.8V-6V
  • This chip perform bidirectional level shifting from pretty much any voltage to any voltage
  • It will auto-detect the direction
  • Only thing that doesn't work well with this chip is i2c
  • Absolute Orientation 
  • Absolute Orientation 
  • Angular Velocity Vector 
  • Acceleration Vector 
  • Magnetic Field Strength Vector 
  • Linear Acceleration Vector
  • 8x8 Array of IR Thermal Sensors
  • Temperatures Ranging: 0°C to 80°C
  • Accuracy: +- 2.5°C (4.5°F)
  • Maximum Frame Rate: 10Hz
  • No Arduino or other microcontroller required! It is completely stand-alone, just needs a 3 to 5.5VDC battery
  • Small - only 1.5" x 0.9"
  • Built in storage - yep! you don't even need an SD card, there's 16MB of storage on the board itself
  • Bi-polar or uni-polar stepper with up to 1.2A per channel using the DRV8833

  • Size: 26mm x 18mm x 3mm / 1.0" x 0.7" x 0.1"

  • Weight: 1.5g

  • Extremely Accurate I²C-Integrated RTC/TCXO/Crystal

  • 23mm x 17.6mm x 7.2mm / 0.9" x 0.7" x 0.28"

  • Weight: 2.1g

  • ATmega32u4 @ 8MHz with 3.3V logic/power
  • 3.3V regulator with 500mA peak current output
  • USB native support, comes with USB bootloader and serial port debugging
  • You also get tons of pins - 20 GPIO pins
  • Hardware Serial, hardware I2C, hardware SPI support
  • ATSAMD21G18 @ 48MHz with 3.3V logic/power
  • 3.3V regulator with 500mA peak current outpu0t
  • USB native support, comes with USB bootloader and serial port debugging
  • You also get tons of pins - 20 GPIO pins
  • Hardware Serial, hardware I2C, hardware SPI support
  • Designed to make working with this chip super easy and a lot of fun.
  • We took a certified module with an onboard antenna, and plenty of pins
  • Soldered it onto our designed breakout PCBs
  • MAX98357A
  • Product Dimensions: 19.4mm x 17.8mm x 3.0mm
  • Product Weight: 1.2g
  • Comes assembled and tested
  • Uses the 5V input via Micro-B USB connector on the Pro Trinket or ItsyBitsy
  • For charging single Lithium Ion/Lithium Polymer 3.7/4.2v batteries (not for older 3.6/4.1v cells)
  • 100mA charge current, adjustable to 500mA by soldering a jumper closed
  • Output Power: 2.5W at 4Ω, 10% THD, 1.5W at 8Ω, 10% THD, with 5.5V Supply
  • 50dB PSRR at 1KHz
  • Filterless design, with ferrite bead + capacitors on output
  • PCB & header are included
  • Plugs into any breadboard, or you can use wires
  • Two mounting holes
  • Will keep time for 5 years or more
  • It has a nice standard 0.1"x0.1" prototying grid with big pads
  • Comes with Stacking headers and plain header, choose whichever you want when soldering together
  • A IC pattern for adding DIP ICs up to 20 pins
  • Power rails down the middle and sides
  • A reset button and an extra general use button
  • Packet radio with ready-to-go Arduino libraries
  • Uses the amateur or license-free ISM band (ITU "Europe" license-free ISM or ITU "American" amateur with limitations)
  • Use a simple wire antenna or spot for uFL or SMA radio connector
  • SX1276 LoRa® based module with SPI interface
  • With an ATmega328p chip or SAMD21 or even SAMD51
  • This shield will make usage a snap
  • Light soldering to attach the headers, connector and terminal block
  • Able to attach any RGB matrix with ease
  • This shield just takes care of the wiring for you
  • Based on the best-of-class Si4713
  • All-in-one stereo audio FM transmitter that can also transmit RDS/RBDS data
  • Wire up to your favorite microcontroller to the I2C data lines
  • Stand-alone breakout that will turn any electronics into low-power electronics
  • Product Dimensions: 19.3mm x 18.0mm x 4.5mm / 0.8" x 0.7" x 0.2"
  • Product Weight: 1.3g / 0.0oz


  • High-precision and inexpensive MMA8451 Triple-Axis Accelerometer w/ 14-bit ADC
  • Can detect motion, tilt and basic orientation with a digital accelerometer
  • Great accelerometer to start 
  • Has a wide usage range, from +-2g up to +-8g yet is easy to use with Arduino or another microcontroller
  • Internal temperature reading
  • 3.3 to 5v power supply and logic level compliant!
  • SPI data requires any 4 digital I/O pins
  • Works with any K type thermocouple
  • Will not work with any other kind of thermocouple other than K type
  • Easy to use analog output
  • Temp range with 5V power: -250°C to +750°C output 
  • Temp range with 3.3V power: -250°C to +410°C output 
  • Arduino compatible (recognized as an Arduino Leonardo in IDE)
  • Atmel ATMega32U4 Microprocessor
  • Freescale MPR121 dedicated touch interface
  • VLSI VS1053B audio processor
  • Arduino Shield Compatible (check pins available)
  • Working voltage: 3.3V-5.5V
  • 8 levels of brightness
  • Size: 42*24*8mm/1.65*0.94*0.31 inches
  • Bluetooth chip:TI CC2540    
  • Frequency: 2.4GHz
  • Transfer rate:  ≤1Mbps
  • Modulation: GFSK, bluetooth low power, V4.0
  • Power consumption: working:10.6mA average ,ready mode:8.7mA 
  • Sensitivity: -93dB