Raspberry_Pi_HAT_RS485
tomrodinger
This is a Raspberry Pi HAT for RS485 communication with external devices and it should fit into any Raspberry Pi like Zero/Zero2W/3/4
Components (32)
| Reference | Value | Description |
|---|---|---|
| Q1-Q3 | BSS84AK,215 | 50V 180mA 7.5Ω@10V,100mA P Channel SOT-23(TO-236) MOSFETs ROHS |
| Q4 | Q_NMOS_GSD | 60V 115mA 200mW 7.5Ω@10V,500mA 2.5V@250uA 1PCSNChannel SOT-23 MOSFETs ROHS |
| U1 | CP2102N-A02-GQFN24R | USB转UART UART QFN-24-EP(4x4) USB ICs ROHS |
| U2 | LM393DR2G | 5mV 0.25uA 2 SOIC-8 Comparators ROHS |
| U5 | SP3485EN | transceiver 10Mbps 1/1 SOIC-8 RS-485/RS-422 ICs ROHS |
| U6 | CD4023BM/TR | SOIC-14 Gates ROHS |
| C1 | 22pF/50V | 50V 22pF C0G ±5% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |
| C2,C4,C7-C9,C11,C12,C16 | 100nF/50V | 50V 100nF X7R ±10% 0603 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHS |