Micro-DMM
oihdesigns
A small, open hardware DMM
Components (15)
| Reference | Value | Description |
|---|---|---|
| Q1,Q2 | AO3400A MOSFET | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| Q3 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| U3 | TL431DBZ | Shunt Regulator, SOT-23 |
| BZ1 | Buzzer | Buzzer, polarized |
| C1 | 0.1uF | Unpolarized capacitor |
| D1,D2 | D_Schottky | Schottky diode |
| J1,J2,J5 | Conn_01x01 | Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3,J6 | Conn_01x07_Pin | Generic connector, single row, 01x07, script generated |
| J4 | Battery | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| LED1 | SK6812SIDE-A_C5378721 | |
| R1-R3 | 4.7K | Resistor, US symbol |
| R4-R16,R18,R20,R21 | 100K | Resistor, US symbol |
| R22 | 1Meg | Resistor, US symbol |
| SW2 | XY-TBT5858-W-FL | |
| SW3 | SW_Toggle_3PDT | Toggle Switch, Triple pole double throw |