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nunosousa
This is an application intended to provide useful tools to perform Foucault or Wire testing on reflective telescope mirrors
| Reference | Value | Description |
|---|---|---|
| Q1-Q4 | BC847 | 0.1A Ic, 45V Vce, NPN Transistor, SOT-23 |
| U1 | RP2040 | A microcontroller by Raspberry Pi |
| U2 | DRV8870DDA | Brushed DC Motor Driver, PWM Control, 45V, 3.6A, Dynamic current limiting, HTSOP-8 |
| U3 | INA180A1 | Current Sense Amplifier, 1 Circuit, Rail-to-Rail, 26V, Gain 20 V/V, SOT-23-5 |
| U5 | SP3485EN | 3.3V Low Power Half-Duplex RS-485 Transceiver 10Mbps, SOIC-8 |
| U6 | TLV75533PDBV | 500mA Low Dropout Voltage Regulator, Fixed Output 3.3V, SOT-23-5 |
| U7 |
| TPS54202DDC |
| 2A, 4.5 to 28V Input, EMI Friendly integrated switch synchronous step-down regulator, pulse-skipping, SOT-23-6 |
| U8 | W25Q16JVUXIQ | 16Mbit / 2MiB Serial Flash Memory, Standard/Dual/Quad SPI, 2.7-3.6V, SOIC-8 (208 mil) |
|---|
| U10 | PGA112 | Zero-Drift Programmable Gain Amplifier With Mux, x1/x2/x4/x8/x16/x32/x64/x128 gains, VSSOP-10 |
|---|
| U12 | REF3033 | 3.3V 50-ppm/°C Max, 50-μA, CMOS Voltage Reference, SOT-23-3 |
|---|
| C1,C2 | 15pC | Unpolarized capacitor |
|---|
| C3-C6,C9,C10,C13,C16,C18-C24,C30,C32,C34,C35,C38,C42,C45 | 100nC | Unpolarized capacitor |
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| C7,C11,C12,C28,C31,C33,C37 | 10uC | Unpolarized capacitor |
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| C8 | 47uC | Polarized capacitor |
|---|
| C14,C15 | C | Unpolarized capacitor |
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| C17,C25-C27 | 2u2C | Unpolarized capacitor |
|---|
| C29,C36,C39 | 100pC | Unpolarized capacitor |
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| D1,D2,D4,D5 | LED | Light emitting diode |
|---|
| J1 | Motor Connector | Generic connector, single row, 01x06, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J2 | RS485 PCB | Generic connector, double row, 02x03, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J3 | RS485 Wire | Generic connector, double row, 02x03, odd/even pin numbering scheme (row 1 odd numbers, row 2 even numbers), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J4,J5 | Limit switch | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J6 | Conn_ARM_JTAG_SWD_10 | Cortex Debug Connector, standard ARM Cortex-M SWD and JTAG interface |
|---|
| J9 | USB_C_Receptacle_USB2.0_16P | USB 2.0-only 16P Type-C Receptacle connector |
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| L1 | L | Inductor |
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| R1,R22-R24 | 1kR | Resistor |
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| R2-R5,R7,R25 | 10kR | Resistor |
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| R6,R8,R9 | R | Resistor |
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| R10,R15-R17 | 100R | Resistor |
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| R11,R12 | 27R | Resistor |
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| R13,R14,R18-R21 | 5k1R | Resistor |
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| Y1 | ABM8-272-T3 | Four pin crystal, GND on pins 2 and 4 |
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