dmm-sao
flummer
A small digital multimeter specifically for measuring SAO related stuff
Components (33)
| Reference | Value | Description |
|---|---|---|
| Q1 | CJ2302 | |
| Q2 | CJ2305 | |
| U1 | HX9193-33GB | |
| U2 | QX2304 | |
| U3 | W25QXX128MBIT | |
| U4 | RP2040 | |
| C1-C3,C7,C9 | 1uF | |
| C4,C11,C18,C23 | 2.2uF | |
| C5,C12-C17,C19,C20,C24 | 100nF | |
| C6 | 10uF | |
| C8,C10 | 100uF | |
| C21,C22 | 30pF | |
| J1 | RED_MEASURE | Generic connector, single row, 01x01, script generated |
| J2 | BLK_GND | Generic connector, single row, 01x01, script generated |
| J3 | USB_C | |
| L1 | 47uH | |
| LS1 | OWPB-909018S-40-03 | Speaker |
| OLEDM1 | SSD1306 | |
| R1 | 100R | Resistor |
| R2,R5-R7,R18,R19 | 10K | Resistor |
| R3 | 3K3 | Resistor |
| R4 | 4K7 | Resistor |
| R8 | 330K | |
| R9 | 4.7k | |
| R10 | 6.8k | |
| R11,R12 | 5.1k | |
| R13 | 1k | |
| R14,R15 | 27R | |
| R16,R17 | 10k | |
| SW1,SW3,SW4 | TS5220A | Single Pole Single Throw (SPST) switch |
| SW2 | RotaryEncoder | Rotary encoder, dual channel, incremental quadrate outputs |
| X1 | Badgelife_sao_connector_v169bis | |
| Y1 | 12MHz, 20pF |