4-Channel Relay HAT for Raspberry Pi _ARD_SHIELD_POWER EDU:BIT Schematic

EDU:BIT Schematic

Lots of LEDs

wireless programming and even establishing a Bluetooth HID connection with the PC between devices

The jumpers for the A4 and A5 pins are tied directly to the I2C bus and can be used to disconnect the logic level converters from the pins while the voltage level jumpers can switch the RedBoard Qwiic from a 3

Pads for a Lithium Ion charger IC (if you want to fit one)

4-Channel Relay HAT for Raspberry Pi _ARD_SHIELD_POWER EDU:BIT SchematicNeed to drive high current or high voltage devices with your Raspberry Pi? This premium 4 channel 10A relay HAT can handle it! Each relay has the Input, Normally Open, and Normally Closed contact broken out to a nice 5mm pitch screw terminal. This HAT is compatible with the Raspberry Pi A+ B+ 2 3B 3+ 4 and uses GPIO pins 4, 17, 27, and 22 (Pins 7,11,13,15) on the GPIO header. Each relay driver is connected to the GPIO through a solder jumper and can