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IsolatedADSandVoltmeterPCB

oihdesigns

A small, open hardware DMM

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Main components

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Part NumberDescription
ADS1115IDGSUltra-Small, Low-Power, I2C-Compatible, 860-SPS, 16-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator, VSSOP-10
ISO1540I2C Isolator, 2.5 kVrms, Bidirectional clock and data, SOIC-8
RFM-0505S

IsolatedADSandVoltmeterPCB schematic

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IsolatedADSandVoltmeterPCB board layout

IsolatedADSandVoltmeterPCB PCB render

Top PCB
Bottom PCB