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Plume

theohg

KiCad design files and STM32/ESP32 firmware for the Plume project.

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Main components

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Part NumberDescription
STM32WB5MMGH6TRST Microelectronics STM32WB55VG ARM Cortex Bluetooth Low Energy 5.0, Zigbee and 802.15.4 module, 1 MB Flash, 256kb RAM, Fully integrated BOM
BQ29737DSERVoltage and Current Protection for Single-Cell Li-Ion and Li-Polymer Batteries
MCP73831T-2ACI/MCMiniature Single-Cell, Fully Integrated Li-Ion, Li-Polymer Charge Management Controllers
BQ51013CQWRHLRQ1Automotive Highly Integrated Wireless Receiver Qi (WPC v2.0) Compliant Power Supply
TPS3839G33DQNR150-nA, Ultralow Power, Supply Voltage Monitor, X2SON-4
TPS7A0233DBVRTPS7A02 Nanopower IQ, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Response
PCA9546ARGVRLow Voltage 4-Channel I2C and SMBus Switch with Reset Function
SN74AHCT1G125DRLRSingle Bus Buffer Gate With 3-State Output
REG71050DRVR60-mA, 5.0-V, Buck/Boost Charge Pump in ThinSOT-23
BMI270
DRV8214RTER2-A Brushed DC Motor Driver with Ripple Counting, Stall Detection, and Speed Regulation

Plume schematic

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Plume board layout

Plume PCB render

Top PCB
Bottom PCB