Micro-DMM
oihdesigns
A small, open hardware DMM
Components (40)
| Reference | Value | Description |
|---|---|---|
| Q1 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| Q2,Q8 | AO3400A MOSFET | 4.2A Id, 20V Vds, N-Channel MOSFET, SOT-23 |
| U3 | ADS1115IDGS | Ultra-Small, Low-Power, I2C-Compatible, 860-SPS, 16-Bit ADCs With Internal Reference, Oscillator, and Programmable Comparator, VSSOP-10 |
| U4 | ADuM1410 | Quad Channel Digital Isolator,10Mbps,SO-16 |
| U5 | LM317_TO-220 | 1.5A 35V Adjustable Linear Regulator, TO-220 |
| U6 | LM4040DBZ-5 | 5.000V Precision Micropower Shunt Voltage Reference, SOT-23 |
| U7 | IX4426N | |
| U8 | MAX1683 | IC REG CHARGE PUMP 2VIN SOT23-5 |
| 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 |
| U14 | 0305 DCDC Converter | |
| A1 | Arduino_UNO_R3 | Arduino UNO Microcontroller Module, release 3 |
| A2 | Adafruit_Feather_32u4_BluefruitLE | Microcontroller module with ATmega32u4 MCU and bluetooth |
| C3,C5 | 4.7uF | Unpolarized capacitor |
| C4,C7,C8,C10,C11,C13,C15,C17 | 0.1uF | Unpolarized capacitor |
| C6 | 1uF | Unpolarized capacitor |
| C9 | 2.2uF | Unpolarized capacitor |
| C12,C14 | 10uF | Unpolarized capacitor |
| D1 | LED | Light emitting diode |
| D4,D5 | D_Schottky | Schottky diode |
| J1,J2 | Conn_01x02 | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J3 | Conn_01x04_MountingPin | Generic connectable mounting pin connector, single row, 01x04, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J5 | Conn_01x12_Pin | Generic connector, single row, 01x12, script generated |
| J6 | Conn_01x16_Pin | Generic connector, single row, 01x16, script generated |
| J7,J14 | Barrel_Jack | DC Barrel Jack |
| J9 | Out to Screen | Generic connector, single row, 01x04, script generated |
| J10 | I_Input | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1,R2,R27 | 4.7K | Resistor, US symbol |
| R3 | 62.0 | Resistor, US symbol |
| R4 | 500 | Resistor, US symbol |
| R5 | 1K | Resistor, US symbol |
| R8 | 330.0 | Resistor, US symbol |
| R9 | 22.0K | Resistor, US symbol |
| R10 | 75K | Resistor, US symbol |
| R11,R12,R19 | 0 | Resistor, US symbol |
| R14 | 1M | Resistor, US symbol |
| R17,R18,R20,R21 | 240k | Resistor, US symbol |
| R24 | 15K | Resistor, US symbol |
| RN1 | R_Pack04_Split | 4 resistor network, parallel topology, split |
| SW1-SW3 | SW_Push | Push button switch, generic, two pins |