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Adafruit PyRuler | DigiKey Daily
Adafruit introduces their PyRuler, which is a smart PCB engineering reference ruler with CircuitPython. Measuring 1-inch by 6-inch, this standard-thickness FR4, gold-plated ruler has the most common component packages you'll encounter. It also has a font size guide, trace-width diagram, and a set of gauge-sized drills so you can gauge wire thicknesses. But there’s more…it's even a fully-featured microcontroller board! Embedded in the end is a Trinket M0 development board. And, there's four capacitive touch pads with matching LEDs that will turn into a specialized engineer keyboard. As engineers, we're always needing to type the symbols Ω (omega), μ (mu) and π (pie), but they require complex key-commands. Thanks to CircuitPython, it's super-easy to make a touch keyboard for entering these symbols.
