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wwaltz2
For ease of sharing files, journals, code, and schematics while we design, revise, build, and report on our senior design project.
| Reference | Value | Description |
|---|---|---|
| U1 | AP2112K-3.3 | 600mA low dropout linear regulator, with enable pin, 3.8V-6V input voltage range, 3.3V fixed positive output, SOT-23-5 |
| U2 | LM386 | Low Voltage Audio Power Amplifier, DIP-8/SOIC-8/SSOP-8 |
| U3 | TLV9054xD | Quad RRIO Operational Amplifiers, 15V/us slew rate, 33uVos, 5MHz GBW, SOIC-14 |
| U4 | ATtiny85-20P | 20MHz, 8kB Flash, 512B SRAM, 512B EEPROM, debugWIRE, DIP-8 |
| U5 | TS5A3159DCK | Single SPDT Analog Switch, 1.65-V to 5.5-V Single-Supply Operation, 1Ohm Ron, SC-70-6 |
| U6 | SST25VF080B | 4Mbit / 512KiB Serial Flash memory, Standard/Dual I/O SPI, 2.3-3.6V, SOIC-8 (150 mil) |
| C1,C3,C5,C8,C10 | 1u |
| Unpolarized capacitor |
| C2,C13,C14 | 0.1u | Unpolarized capacitor |
|---|
| C4,C6 | 47n | Unpolarized capacitor |
|---|
| C7 | 220u | Unpolarized capacitor |
|---|
| C9,C12 | 4.7n | Unpolarized capacitor |
|---|
| C11 | 22n | Unpolarized capacitor |
|---|
| D1-D4 | Schottky | 20V 0.5A Schottky Power Rectifier Diode, SOD-123 |
|---|
| J1 | Barrel_Jack | DC Barrel Jack with a mounting pin |
|---|
| J2 | Volume | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J3 | SWITCH | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J4 | LED | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J5 | AudioJack2_Ground_Switch | Audio Jack, 2 Poles (Mono / TS), Grounded Sleeve, Switched Pole (Normalling) |
|---|
| J6 | Speaker | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J7 | Microphone | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J8,J9 | AVR-ISP-6 | Atmel 6-pin ISP connector |
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| J10 | Frequenciometer (1k) | Generic connector, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| J11 | Audio_EN | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
|---|
| R1-R3,R11,R13,R14,R17,R19-R21,R25 | 1k | Resistor |
|---|
| R4 | 330 | Resistor |
|---|
| R5 | 10 | Resistor |
|---|
| R6,R12,R16,R18 | 470 | Resistor |
|---|
| R7,R8,R22-R24,RV1 | 10k | Resistor,Trim-potentiometer |
|---|
| R9 | 3.3k | Resistor |
|---|
| R10 | 33k | Resistor |
|---|
| R15 | 100 | Resistor |
|---|
| SW1,SW2 | SW_SPDT | Switch, single pole double throw |
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| TP1-TP5 | TestPoint | test point |
|---|