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contactless RF smart card
Clock Speed: 16 MHz
Good quality (SMPS-based)
Circuitrocks offers the highest quality resistor through-hole 2
Check the pin labels on the Water Flow Sensor G1 and match them to your controller voltage
Adafruit Quad Level-Shifter 3V-5V 74AHCT125 - 1787 mq-6 contactless RF smart cardLevel shifting chips let you connect 3V and 5V devices together safely. This chip is similar to others in the shop (such as the 74LVC125) except this one is particularly good at converting 3V logic up to 5V. This is in demand especially when connecting some 3V devices such as the Teensy 3 to NeoPixels! Just power the 74AHCT125 with 5V, it will detect 3V logic properly. You can also use it to connect 5V logic out to 3V logic in, that's when you want to
