Arduino MEGA click SHIELD - schematic ___ ver. 100 VCC-3.3V ADC0 PL0/RST PB0/CS SCK MISO MOSI VCC-5V AN RST CS SCK MISO MOSI 3.3V GND PWM INT RX TX SCL SDA 5V GND VCC-3.3V PE3/PWM PB4/INT RX1 TX1 SCL SDA VCC-5V ADC1 PL1/RST PL3/CS SCK MISO MOSI AN RST CS SCK MISO MOSI 3.3V GND MIKROBUS 1 PWM INT RX TX SCL SDA 5V GND VCC-3.
