Avatar for oihdesigns

DMM KiCAD V4 next

oihdesigns

A small, open hardware DMM

View on GitHub

Main components

Download full BOM
Part NumberDescription
LM317_TO-2201.5A 35V Adjustable Linear Regulator, TO-220
ADS1115IDGSUltra-Small, Low-Power, I2C-Compatible, 860-SPS, 16-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator, VSSOP-10
IX4426N
MAX1683IC REG CHARGE PUMP 2VIN SOT23-5
LTV-824Dual AC/DC Optocoupler, Vce 35V, CTR 20%, DIP8
TPS613222ADBV1.8A Step-Up Converter, 5V Output Voltage, 0.9-5.5V Input Voltage, SOT-23-5
LM4040DBZ-2.52.500V Precision Micropower Shunt Voltage Reference, SOT-23
LM4040DBZ-5
TLV61046ADBVR
ISO1540I2C Isolator, 2.5 kVrms, Bidirectional clock and data, SOIC-8
RFM-0505S

DMM KiCAD V4 next schematic

Open in new tab

DMM KiCAD V4 next board layout

DMM KiCAD V4 next PCB render

Top PCB
Bottom PCB