A waterproof probe holder
TwinkleSpin DIY LED Christmas Tree Music Box – Auto‑Rotating Light‑Show Kit from Circuitrocks is ideal for DIY electronics builds
The ACR122U-A9 NFC Card Reader is a USB contactless smart card reader for 13
widely compatible across all operating systems
portable Linux or SBC setups
SparkFun Spectral Sensor Breakout - AS7263 NIR (Qwiic) raspberry pi camera 3 noir A waterproof probe holderThe SparkFun AS7263 NIR Spectral Sensor Breakout is a compact board for measuring how objects absorb and reflect near infrared light. It is useful for spectroscopy tests, material comparison, light analysis, plant research demos, and sensor based school projects. This breakout measures six spectral channels: 610nm, 680nm, 730nm, 760nm, 810nm, and 860nm. Each channel has a 20nm full width half max detection range, giving you useful spectral data across