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Just4Stan
RP2040-based AZ/EL rotator controller for SatNOGS-compatible satellite ground stations. Custom PCB, PID motor control, EasyComm/hamlib protocol over USB.
| Reference | Value | Description |
|---|---|---|
| Q1 | BSS138 | 50V Vds, 0.22A Id, N-Channel MOSFET, SOT-23 |
| U1,U2 | CC1200RHBR | |
| U3 | RaspberryPi_Pico | |
| U4 | XT30PW-M | |
| U5 | LMR51420YFDDCR | |
| C1 | 2.2pF | |
| C2 | 39pF | |
| C3,C8,C9 | 5.1pF | |
| C4 | 6.2pF | |
| C5 | 56pF | |
| C6,C16,C31,C41 | 10nF | |
| C7,C38,C39,C43,C47 | 100pF | |
| C10 | 1nF | |
| C11-C13,C20,C27,C32,C45,C46 | 15pF | |
| C14,C15,C21,C25,C26,C28-C30,C33,C35-C37,C40,C42,C57-C64 | 47nF | |
| C17,C34,C48-C51 | 220nF | |
| C18 | 1.5nF | |
| C19 | 4.7uF 50v | Unpolarized capacitor |
| C22 | 100n | |
| C23 | 1.8nF | |
| C24 | 22uF | Unpolarized capacitor |
| C44 | 1.5pF | |
| D1 | D_Schottky | Schottky diode |
| D2 | 1N4148WS | 75V 0.15A Fast switching Diode, SOD-323 |
| D3-D6 | WS2812B-2020 | RGB LED with integrated controller, 2.0 x 2.0 mm, 12 mA |
| J1,J2 | SMA | |
| J3 | Raspberry_Pi_2_3 | |
| J4,J5 | Conn_01x01 | Generic connector, single row, 01x01, script generated (kicad-library-utils/schlib/autogen/connector/) |
| L1,L5 | 15nH | |
| L2 | 43nH | |
| L3,L14 | 22nH | |
| L4,L7 | 56nH | |
| L6,L8 | 27nH | |
| L9,L10,L12 | 100nH | |
| L11 | 47nH | |
| L13 | 270nH | |
| L15 | 120nH | |
| L16 | 82nH | |
| L18 | XRTC303020D4R7MBCA | |
| R1,R2,R4,R5 | 10k | |
| R3,R7 | 56k | |
| R6 | 18R | |
| R8 | 22R | |
| R16 | 100k | |
| R17 | 13.7k | |
| Y1,Y2 | 40MHz |