4 layers6.7 × 13.4 mm
BMI160-and QMC5883L Second Bone
ras-marques/ImmersiveGloves
I want to share how I am making vr gloves using 2 Tundra Trackers, 2 interface boards and 12 inertial sensors.
14 parts29MIT
2 layers100 × 100 mm
buh
- Size
- 100 × 100 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 32
- Nets
- 60
- Pads
- 238
- Tracks, vias
- 429, 131
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 28 Mar 2024
- Updated
- 19 Sep 2024
Overview
Demo is an open-source printed circuit board by Sadteeto, from the Sadteeto/BuhSat-v0 repository on GitHub, published under the MIT licence. It is a 2-layer board of 100 × 100 mm with 32 parts on 60 nets, routed with 429 tracks and 131 vias.
It is built around the BMP388, QMC5883L and BMI160, with the TP4057 and TPS63060DSC among its other parts. Its parts include 15 capacitors, 7 resistors, 6 ICs, 2 diodes and 1 inductor. It belongs with the RP2040 boards of this library.
Main components
5
BMP388
LGA-10(2x2)-40℃~+85℃ 1.65V~3.6V 1pa/K 2uA 30Kpa~1.25bar 50pa 8pa I2C、SPI LGA-10(2x2) Pressure Sensors ROHSBosch SensortecPressure Sensors
QMC5883L
LGA-16(3x3)-40℃~+85℃ 16bit 2.16V~3.6V 75uA Built-in temperature sensor I2C ±8Gs ±8Gs LGA-16(3x3) 3D Magnetic SensorsQST3D Magnetic Sensors
BMI160
LGA-14(2.5x3)-40℃~+85℃ 1.71V~3.6V 10uA 16bit 1KB IMU (accelerometer + gyroscope) Motion event detection、Synchronization and timestamp SPI、I2C X,Y,Z X,Y,Z ±16g ±2000dps LGA-14(2.5x3) Accelerometers ROHSBosch SensortecAccelerometers
TP4057
SOT-23-6-40℃~+85℃ 1 25uA 4.24V 4V~6.5V Charging IC Lithium Battery Not supported SOT-23-6 Battery Management ROHSTECH PUBLICBattery Management
TPS63060DSC
UncategorisedTexas Instruments
README
README.mdBUH SAT so that we have an MVP for AURC!
git clone this repo and import to platformIO.
compiled uf2 file can be found in Actions tab - Artifacts
capabilities:
battery charging
remote monitoring up to 40km
temperature monitoring
9-DOF motion monitoring
- gyro
- accel
- mag
Parts
32| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100nF | Capacitor_SMD:C_0805_2012Metric | C1, C2, C5, C11, C12, C15 |
| 3 | 10k | Resistor_SMD:R_0402_1005Metric | R10, R11, R12 |
| 3 | 10uF | Capacitor_SMD:C_0805_2012Metric | C7, C8, C16 |
| 3 | 22uF | Capacitor_SMD:C_0805_2012Metric | C9, C10, C13 |
| 2 | 4.7k | Resistor_SMD:R_0402_1005Metric | R1, R2 |
| 1 | 100k | Resistor_SMD:R_0402_1005Metric | R9 |
| 1 | 10pF | Capacitor_SMD:C_0805_2012Metric | C14 |
| 1 | 1Uh | Inductor_SMD:L_Chilisin_BMRA00040420 | L1 |
| 1 | 220nF | Capacitor_SMD:C_0805_2012Metric | C3 |
| 1 | 4.7 uF | Capacitor_SMD:C_0805_2012Metric | C4 |
| 1 | 560k | Resistor_SMD:R_0402_1005Metric | R8 |
| 1 | BMI160 | Package_LGA:Bosch_LGA-14_3x2.5mm_P0.5mm | U3 |
| 1 | BMP388 | BMP388:PQFN50P200X200X80-10N | U5 |
| 1 | Battery | Battery:BatteryHolder_Keystone_1042_1x18650 | BT1 |
| 1 | LED_Green | LED_SMD:LED_0402_1005Metric | D4 |
| 1 | LED_Red | LED_SMD:LED_0402_1005Metric | D3 |
| 1 | Pico | MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH | U7 |
| 1 | QMC5883L | Package_LGA:LGA-16_3x3mm_P0.5mm | U2 |
| 1 | TP4057 | Package_TO_SOT_SMD:SOT-23-6 | U6 |
| 1 | TPS63060 | Package_SON:Texas_S-PWSON-N10_ThermalVias | U1 |
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Questions
How big is the Demo PCB?
It measures 100 × 100 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Demo use?
32 parts, built around the BMP388, QMC5883L, BMI160 and TP4057. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Demo KiCad files?
From the Sadteeto/BuhSat-v0 repository on GitHub, at the commit this page was made from: the board is hardware/demo.kicad_pcb and its schematic hardware/demo.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Demo design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).