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Showing 1-5 of 5 products
HIFI DAC Audio Sound Card Module I2S interface for Raspberry Pi
A high-fidelity DAC expansion board for Raspberry Pi that delivers superior audio quality over the Pi's built-in 3.5mm output. Built around Texas Instruments' PCM5122 DAC chip, this board connects via the I2S interface and supports up to 384kHz sampling with 112dB dynamic range — ideal for buildi...
7.5" NFC-Powered e-Paper Display V2 – Wireless Power & Data Transfer
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This 7.5" e-paper display is powered entirely via NFC — no batteries, no cables. Using passive near-field communication technology, it receives both power and image data wirelessly from an NFC-enabled smartphone or dedicated NFC reader board, making it a truly maintenance-free display solution. ...
34:1 Metal Gearmotor 25Dx52L mm HP 12V with 48 CPR Encoder
A high-power 12V brushed DC gearmotor in the Pololu 25D form factor (25mm diameter) with a 34.014:1 metal spur gearbox and an integrated 48 CPR quadrature encoder. The encoder provides 1632.67 counts per revolution of the gearbox output shaft, enabling precise speed and position control for robot...
7.5" e-Paper Display (H) – 800x480, Red/Yellow/Black/White, SPI
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This 7.5" e-paper display (H) features 800×480 resolution with a four-colour palette of red, yellow, black, and white. Using microcapsule electrophoretic technology, it delivers a paper-like viewing experience with natural light reflection, an ultra-wide >170° viewing angle, and zero power consum...
KnowFlow Basic Water Monitoring Kit
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Build a DIY water quality monitor for field studies, teaching or environmental projects with the KnowFlow Basic Kit. This Arduino-based kit measures two key water parameters: pH and electrical conductivity (EC).Data can be recorded automatically to a micro-SD card for later analysis, and the Blun...