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STD OBAL GY-91 version 1.0
Profile：This is a slight modified version of Original OBAL. Ardupilot code is available at https://github.com/HefnySco/ardupilot/tree/pr_OBAL_GY-91_v1 The board is very similar to the original one. It replaces MPU9250 & BMP180 with GY-91 that uses MPU9250 & BMP280 on one breakout. It also uses SPI bus to access MPU & I2C.
License: Public Domain
Description
Please check this site for more info.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 16 BIT I2C ADS1115 ADC MODULE | ADC | 16 BIT I2C ADS1115 ADC MODULE | 1 |
| 2 | BMP180 | BARO | BMP180 | 1 |
| 3 | Header-Male-2.54_1x4 | COMPASS1,I2C1,PCA1,SERIAL1 | HDR-TH_4P-P2.54-V-M-1 | 4 |
| 4 | ULN2803APG | DRV | DIP-18_L23.0-W6.5-P2.54-LS7.6-BL | 1 |
| 5 | GY91 | IMU | GY-91_MPU9250+BMP280 WITH HOLES | 1 |
| 6 | Pinheader 1x5 | NOTIFY | PINHEADER 1X5 | 1 |
| 7 | PCA9685_LEFT_SIDE | PWM | PCA9685_LEFT_END | 1 |
| 8 | R_SMD_0805 | R1,R2 | 0805 | 2 |
| 9 | PINHD-1X10 | RCIN | PINHEAD-1X10 | 1 |
| 10 | RASPBERRY PI ZERO (MOUNTING HOLES ONLY) | RPI | RASPBERRY PI ZERO (MOUNTING HOLES) | 1 |
| 11 | Header-Male-2.54_2x20 | RPI2 | HDR-TH_40P-P2.54-V-M-R2-C20-S2.54 | 1 |
| 12 | PINHEADER1x2 | SWTCH1 | PINHEADER1X2 | 1 |
| 13 | pinheader6M | U1 | PINHEADER6M | 1 |
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