Micro-DMM
oihdesigns
A small, open hardware DMM
Components (19)
| Reference | Value | Description |
|---|---|---|
| Q3 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| Q8 | AO3400A MOSFET | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| U7 | MAX1683 | IC REG CHARGE PUMP 2VIN SOT23-5 |
| U10 | LM4040DBZ-2.5 | 2.500V Precision Micropower Shunt Voltage Reference, SOT-23 |
| C9,C10 | 4.7uF | Unpolarized capacitor |
| C17 | 0.1uF | Unpolarized capacitor |
| D1 | LED | Light emitting diode |
| D4,D5 | D_Schottky | Schottky diode |
| J1 | Voltmeter | Generic connector, single row, 01x06, script generated |
| J15 | Barrel_Jack | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1 | 1K | Resistor, US symbol |
| R3,R8 | 10K | Resistor, US symbol |
| R7 | 22K | Resistor, US symbol |
| R12 | 100K | Resistor, US symbol |
| R14 | 1M | Resistor, US symbol |
| R17,R18 | 499.0K | Resistor, US symbol |
| R24 | 15K | Resistor, US symbol |
| R27 | 4.7K | Resistor, US symbol |
| SW3 | SW_Push | Push button switch, generic, two pins |