REV1.1 - minor changes (cont.)

A project log for MirkoPC -> CM4 carrier board

Yet another Raspberry Pi Computer (non-official carrier board for CM4).

MirkoMirko 04/30/2021 at 11:540 Comments

added solder bridges for disconnecting and free used GPIOs:

new FAN #2 socket (drived from NPN transistor):

FAN #3 - fan controller EMC2301:

- new smaller buzzer (without embedded generator):

- new buck regulator for M.2 socket (3.3V/3A):

- new marking:
- USB-C issue fixed:

- changed headphone amplifier TPA6130A2 (with I2C bus and hardware volume control):