Here is the list of all prototype models:

Model flig-pdm3

• Main Raspberry Pi PiZero 2W
• Secondary Raspberry Pi PiZero 2W
• 12x DMC 809 Coreless DS/MG/BB Micro Servo, 3.8kg / 0.07sec / 19.5g
• 1x tg90e 9g servos
• PCA9685 breakout board for driving servos, modified so two by two servos have separate power supply
• 2x INA3321 breakout boards for reading servo currents
• INA219 breakout board for reading electronics current and battery voltage
• Car fuse at the battery side
• 1.3" ST7789 240x240 SPI Colour IPS TFT LCD Screen for battery/current feedback
• 9 Degrees of Freedom Sensor ICM-20948

Model flig-pdm1-u2

Prototype that got enough hardware to walk!

• Raspberry Pi 3A+
• 12x tg90e 9g servos
• PCA9685 breakout board for driving servos, modified so two by two servos have separate power supply
• 2x INA3321 breakout boards for reading servo currents
• INA219 breakout board for reading electronics current and battery voltage
• Car fuse at the battery side
• 1.3" ST7789 240x240 SPI Colour IPS TFT LCD Screen for battery/current feedback

Model flig-pdm1-u1

First prototype made with 12x tg90e 9g servos.