I2C devices communicate with 2 signals, called SDA and SCL. Normally a 4.7K pullup resistor is connected between each signal and power (+3.3V on Teensy 3.0, +5V on Teensy 2.0). On Teensy 2.0, 4.0, and 4.1, the weak internal pullup resistors may be sufficient for short wires to a si...
Custom build in IIC I2C 16 Character 4 Line White on Blue Backlight COB Chip On Board lcd character display lcd modules lcd 1604 $2.35-2.98 Min. Order: 10 units CE FCC certified Custom USB boost cable power bank DC5V to DC12V 1A 14W USB Booster Cable with DC barrel jack 2.1mm 2.5mm ...