Balloon data logger shield
Sebastian-S-Posada·balloon-data-logger-shield·hardware/MicroP_Final_Porject.kicad_pcb
About the Balloon data logger shield
Balloon data logger shield is an open source PCB design by Sebastian-S-Posada, published on GitHub. It is a 2-layer board measuring 68.6 × 53.3 mm, with 21 components from 16 distinct parts.
By type, the board carries 8 connectors, 7 resistors and 6 diodes.
It belongs with the dev boards & breakouts and sensors designs in this gallery.
From the project
An Arduino Uno shield, designed in KiCad, that logs temperature, humidity, barometric pressure, and acceleration to a microSD card. It's built as a lightweight, low-power payload for a high-altitude balloon flight.
An Arduino Uno shield, designed in KiCad, that logs temperature, humidity, barometric pressure, and acceleration to a microSD card. It's built as a lightweight, low-power payload for a high-altitude balloon flight.
The course's baseline design used six separate analog sensors. I redesigned it around shared-bus, multi-function parts:
\*The baseline total includes the Arduino Uno and 9 V battery. My total doesn't, so the true difference is smaller than it looks, but still large.

Balloon data logger shield bill of materials (BOM)
21 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Power | PinSocket_1x08_P2.54mm_Vertical | J1 |
| 1 | Digital/PWM | PinSocket_1x10_P2.54mm_Vertical | J2 |
| 1 | Analog | PinSocket_1x06_P2.54mm_Vertical | J3 |
| 1 | Digital/PWM | PinSocket_1x08_P2.54mm_Vertical | J4 |
| 1 | BME280 | MODULE_2652 | J5 |
| 1 | DS18B20 | DS18B20_TO-92 | J6 |
| 1 | Adafruit Adalogger (254) | AdaFruit_MicroSD_254 | J7 |
| 1 | MMA8451 | MODULE_2019 | J10 |
| 1 | G_LED_IN | LED_D3.0mm | D1 |
| 1 | B_LED_IN | LED_D3.0mm | D2 |
| 1 | R_LED_IN | LED_D3.0mm | D3 |
| 1 | Y_LED_IN | LED_D3.0mm | D4 |
| 1 | B_LED_EX* | LED_D3.0mm | D5 |
| 1 | O_LED_EX | LED_D3.0mm | D6 |
| 1 | 4.7K | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R1 |
| 6 | 330 | R_Axial_DIN0204_L3.6mm_D1.6mm_P5.08mm_Horizontal | R2, R3, R4, R5, R6, R7 |
Balloon data logger shield design files
The KiCad project lives in the Sebastian-S-Posada/balloon-data-logger-shield repository on GitHub; these links point at the commit this page was built from.
Balloon data logger shield: common questions
How big is the Balloon data logger shield?
The Balloon data logger shield measures 68.6 × 53.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Balloon data logger shield?
21 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the Balloon data logger shield design files?
From the Sebastian-S-Posada/balloon-data-logger-shield repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Balloon data logger shield design in my own project?
The repository has no license, so all rights stay with Sebastian-S-Posada. Use it as a reference, and ask the author before reusing the design.
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