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  1. DS3231 Precision RTC FeatherWing - RTC Add-on For Feather Boards

    ‌This is the DS3231 Precision RTC FeatherWing: it adds an extremely accurate I2C-integrated Real Time Clock (RTC) with a Temperature Compensated Crystal Oscillator (TCXO)  to any Feather main board.

    15,00 €
  2. Crystal 16MHz

    ‌Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stability. Low profile HC49/US Package.

  3. Thermoelectric Cooler (Peltier) - 40x40mm

    Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use.

    14,00 €
  4. Energy Harvester - LTC3588 Breakout

    This breakout board uses the LTC3588 Piezoelectric Energy Harvester from Linear Technologies. This board can be used not only for harvesting piezoelectric energy, but solar energy as well. There is a bridge rectified input for piezo elements (PZ1 and PZ2) and a direct input (VIN) for DC sources. Both are clamped to 20V. In addition, the board can simply be used as a standalone nanopower buck regulator.

    29,00 €
  5. MPR121 Capacitive Touch Sensor Breakout Board

    This is a breakout board for Freescale's MPR121QR2. The MPR121 is a capacitive touch sensor controller driven by an I2C interface. The chip can control up to twelve individual electrodes, as well as a simulated thirteenth electrode. The MPR121 also features eight LED driving pins. When these pins are not configured as electrodes, they may be used to drive LEDs.

    9,00 €
  6. 8-channel Bi-directional Logic Level Converter - TXB0108

    This chip perform bidirectional level shifting from pretty much any voltage to any voltage and will auto-detect the direction. Only thing that doesn't work well with this chip is i2c (because it uses strong pullups which confuse auto-direction sensor). If you need to use pullups, you can, but they should be at least 50K ohm - the ones internal to AVRs/Arduino are about 100K ohm so those are OK!
  7. 4-channel I2C-safe Bi-directional Logic Level Converter - BSS138

    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. 

  8. Logic Level Converter

    This logic level converter is a small device that safely steps down 5V signals to 3.3V and steps up 3.3V to 5V. This level converter also works with 2.8V and 1.8V devices.

    2,00 €
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8 tuote(tta)