Imported from GitHub: NohPei/GeoMCU · commit fb6f89d · license CERN-OHL-P-2.0

Description

Integrated Geophone Boards with programmable gain and an onboard MCU. Can be used over WiFi or wired with an external ADC.

README

GeoMCU Board

Interface board for Structure-as-Sensor Geophones with embedded Microcontroller.

Firmware

• Firmware Files (buildable with PlatformIO) at NohPei/geoscope-sensor

Deployment

• Boards are designed to fit a Bud Industries PN-1323 enclosure for harsh environment deployments.

Specialty BOM Parts

• 1 ESP-12S Microcontroller Module
• 1 AP1509 (or equivalent) Switching Power Supply
• 1 TI INA333 input amp
• 1 MCP6001T-E/OT filtering op-amp
• 1 TI REF2033AIDCCT Voltage Reference
• 1 TLV1117 (or equivalent) Linear Regulator
• 1 AD5270BRMZ Digital POT for programmable gain
• 2 Molex SL-compatible 2-pin header connectors (1 for Geophone connection, 1 for power connection)
• Optional: 1 Vertical-Launch BNC connector for wired data collection

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