Micro-DMM
oihdesigns
A small, open hardware DMM
Components (24)
| Reference | Value | Description |
|---|---|---|
| Q8 | AO3400A MOSFET | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| U1 | ADuM1200AR | Dual-channel digital isolator, Bidirectional communication, 3V/5V level translation, SOIC-8 |
| U3 | ADS1015 | 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 |
| U13 | ISO1540 | I2C Isolator, 2.5 kVrms, Bidirectional clock and data, SOIC-8 |
| A1 | Adafruit_Feather_32u4_BluefruitLE | Microcontroller module with ATmega32u4 MCU and bluetooth |
| A2,A3 | TestPoint_Small | test point |
| C4,C9,C10,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/) |
| JP1-JP3 | Jumper_2_Small_Open | Jumper, 2-pole, small symbol, open |
| JP4 | Jumper_2_Small_Bridged | Jumper, 2-pole, small symbol, bridged |
| PS1 | MEE1S0305SC | 1W, 1000 VDC isolated DC/DC converter, 3V3 input, 5V output, SIP |
| R1,R2,R27 | 4.7K | Resistor, US symbol |
| R10 | 75K | Resistor, US symbol |
| R14 | 1M | Resistor, US symbol |
| R17,R18 | 499.0K | Resistor, US symbol |
| R24 | 15K | Resistor, US symbol |
| RN1 | R_Pack04_Split | 4 resistor network, parallel topology, split |
| SW1 | SSSS811101 |