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1 × Beetle Shield
Use PWM-capable pins if you want speed control
portable gadgets)
You can apply this on jackets and light-up all the LEDs with it
Why waste space for two transistors when you can have the same amount of switching/amplification with a single IC package
Atlas Scientific EZO pH Measurement Circuit - Digital pH 5.5mm 2.1mm 1 × Beetle ShieldBring Reliable PH Measurement Into Embedded Projects The EZO pH Circuit is an Atlas Scientific measurement board designed to bring lab style pH capability into embedded projects. It is a strong fit for makers, system builders, and engineers who want more accurate readings in custom monitors, controllers, and data loggers. This product fits well in projects centered on hydroponics, water quality logging, and pH control builds. It is especially useful
