Micro-DMM
oihdesigns
A small, open hardware DMM
Components (21)
| Reference | Value | Description |
|---|---|---|
| Q8 | AO3400A MOSFET | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| U2 | ISO1644DWR | I2C Isolator with Bidirectional Clock and Data and three 2/1 Auxiliary GPIOs, SOIC-16 |
| U3 | ADS1115IDGS | Ultra-Small, Low-Power, I2C-Compatible, 860-SPS, 16-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator, VSSOP-10 |
| U10 | LM4040DBZ-2.5 | 2.500V Precision Micropower Shunt Voltage Reference, SOT-23 |
| U14 | DC-DC 0305 | |
| A1 | Adafruit_Feather_32u4_BluefruitLE | Microcontroller module with ATmega32u4 MCU and bluetooth |
| C4,C7,C8,C17 | 0.1uF | Unpolarized capacitor |
| D4,D5 | D_Schottky | Schottky diode |
| J1 | Conn_01x16_Pin | Generic connector, single row, 01x16, script generated |
| J2 | Conn_01x12_Pin | Generic connector, single row, 01x12, script generated |
| J3 | Conn_01x04_MountingPin | Generic connectable mounting pin connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | Out to Screen | Generic connector, single row, 01x04, script generated |
| J5 | Screw_Terminal_01x02 | Generic screw terminal, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R2,R5-R7,R27 | 4.7K | Resistor, US symbol |
| R10 | 75K | Resistor, US symbol |
| R12 | 0 | Resistor, US symbol |
| R14 | 1M | Resistor, US symbol |
| R17,R18 | 499.0K | Resistor, US symbol |
| R24 | 15K | Resistor, US symbol |
| SW3 | SW_SPDT | Switch, single pole double throw |
| TP1,TP2 | TestPoint_Small | test point |