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micro-henry
An open-source low-cost Tally & Timecode device, powered by RP2040 & LoRa
| Reference | Value | Description |
|---|---|---|
| Q1 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| U1 | W25Q16JVUXIQ | SPIFLASH, 3V, 16M-BIT, 4KB UNIFO |
| U2 | RP2040 | A microcontroller by Raspberry Pi |
| U3 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U4 | Ai-Thinker-Ra-02 | Ai-Thinker Ra-02 410-525 MHz LoRa Module, SPI interface, U.FL antenna connector |
| U5 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 |
| U6 | XC6206P332MR | Positive 60-250mA Low Dropout Regulator, Fixed Output, SOT-23 |
| U7 | TP4057 | |
| C1-C9,C14,C18 | 100n | Unpolarized capacitor, small symbol |
| C10,C19-C22,C25 | 10u | Unpolarized capacitor, small symbol |
| C11,C12,C23,C24,C26 | 1u | Unpolarized capacitor, small symbol |
| C13 | 2.2u | Unpolarized capacitor, small symbol |
| C15,C16 | 33p | |
| C17 | 22u | Unpolarized capacitor, small symbol |
| D1 | USERLED1 | Light emitting diode |
| D2 | USERLED2 | Light emitting diode |
| D3 | 1N5819WS | 40V 600mV@1A 1A SOD-323 Schottky Barrier Diodes, SOD-323 |
| D4,D6 | RED | Light emitting diode,Light emitting diode, small symbol |
| D5 | GREEN | Light emitting diode, small symbol |
| F1 | 1.5A | Fuse |
| J1 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
| J2 | SWD | Generic connector, single row, 01x03, script generated |
| J3,J6 | SM03B-SRSS-TB | Generic connectable mounting pin connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | 5PIN HOLES | Generic connector, single row, 01x05, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J5 | UART | Generic connector, single row, 01x03, script generated |
| J7,J8 | TRRS Out | Audio Jack, 4 Poles (TRRS) |
| J9 | Conn_02x02_Counter_Clockwise | Generic connector, double row, 02x02, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J10 | OLED DISPLAY | Generic connector, single row, 01x07, script generated |
| J12,TP13 | BATT | Generic connectable mounting pin connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/),test point |
| J13 | TALLY LIGHT | Generic connectable mounting pin connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
| R1-R3 | 1k | Resistor,Resistor, small symbol |
| R4,R5,R16,R17,R23-R27 | 5k1 | Resistor, small symbol |
| R6,R7 | 22 | Resistor, small symbol |
| R8-R15 | 100 | Resistor, small symbol |
| R18-R20,R22 | 10k | Resistor, small symbol |
| R21 | 150k | Resistor, small symbol |
| R28 | 2k | Resistor, small symbol |
| SW1,SW2,SW4,SW5 | SKRPACE010 | Double Pole Single Throw (DPST) Switch |
| SW3 | EC11 | Rotary encoder, dual channel, incremental quadrate outputs, with switch and MP Pin |
| SW6 | SW_SPDT | Switch, single pole double throw |
| TP1 | VBUS | test point |
| TP2 | SWCLK | test point |
| TP3 | SWDIO | test point |
| TP4 | BOOT | test point |
| TP5 | RESET | test point |
| TP6 | VREF | test point |
| TP7 | LTC_RX | test point |
| TP8 | LTC_TX | test point |
| TP9 | LTC_IN | test point |
| TP10 | MIC | test point |
| TP11 | DET_IN | test point |
| TP12 | DET_OUT | test point |
| TP14 | VIN | test point |
| TP15 | 3V3 | test point |
| TP16 | 5V | test point |
| TP17 | GND | test point |
| Y1 | 12MHz +-10ppm 20pF | X322512MSB4SI |