And the rear view of the motherboard. (Here's the super-huge version):

Texas Instruments LMV339 Quad General Purpose Low-Voltage Comparators

Texas Instruments SN74AVCH4T245 4-Bit Dual-Supply Bus Transceiver with Configurable Voltage Translation and 3-State Outputs

Bosch Sensortec BMA150 Digital 3-axis accelerometer

Invensense MPU-3050 3 axis gyroscope

Texas Instruments PS63020 High Efficiency Single Inductor Buck-Boost Converter with 4A Switch