erdemcanaz/MODBUS1The goal of this project is to design a hardware implementation that enables wireless Modbus communication using the LoRa protocol.
Device-1 is an open-source printed circuit board by erdemcanaz, from the erdemcanaz/MODBUS repository on GitHub. It is a 2-layer board of 55 × 55 mm with 64 parts on 44 nets, routed with 344 tracks and 10 vias.
It is built around the MAX487EPA+. Its parts include 23 ICs, 18 resistors, 9 diodes, 2 capacitors and 2 connectors. It belongs with the AVR (ATmega, ATtiny) boards of this library.
The goal of this project is to design a hardware implementation that enables wireless Modbus communication using the LoRa protocol.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 21 | signle_via | Device_1_project_footprints:single_via | U3, U4, U10, U11, U12, U13, U14, U15, U16, U17, U18, U19, U20, U21, U22, U23 +5 |
| 12 | 3.3k | Resistor_SMD:R_1206_3216Metric | R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18 |
| 5 | LED | Device_1_project_footprints:lm281B-3000K | D1, D2, D3, D8, D9 |
| 5 | LOGO | LOGO | G***, G***, G***, G***, G*** |
| 4 | LED | Device_1_project_footprints:lm281B-6500K | D4, D5, D6, D7 |
| 3 | , , | ||
| 2 | 10k-PU | Resistor_SMD:R_1206_3216Metric | R1, R3 |
| 1 | 100nF | Capacitor_SMD:C_1206_3216Metric | C2 |
| 1 | 10k-PD | Resistor_SMD:R_1206_3216Metric | R2 |
| 1 | 120 | Resistor_SMD:R_1206_3216Metric | R5 |
| 1 | 20k-PD | Resistor_SMD:R_1206_3216Metric | R4 |
| 1 | 20k-PU | Resistor_SMD:R_1206_3216Metric | R6 |
| 1 | 47uF | Capacitor_SMD:CP_Elec_6.3x5.2 | C1 |
| 1 | Arduino_Nano_v2.x | Module:Arduino_Nano | ArduinoNano1 |
| 1 | Conn_01x04_Female | Device_1_project_footprints:output_vias | J2 |
| 1 | Conn_01x04_Female | Connector_PinSocket_2.54mm:PinSocket_1x04_P2.54mm_Vertical | J1 |
| 1 | EBYTE_E32-433T20D | Device_1_project_footprints:EBYTE-E32-433T20D | U1 |
| 1 | MAX487E | Package_DIP:DIP-8_W7.62mm | U2 |
The 63 most common of 64 parts.
It measures 55 × 55 mm and has 2 copper layers, 1.6 mm thick.
64 parts, built around the MAX487EPA+. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the erdemcanaz/MODBUS repository on GitHub, at the commit this page was made from: the board is Device PCBs/Device-1/Device-1.kicad_pcb and its schematic Device PCBs/Device-1/Device-1.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask erdemcanaz before reusing the design.
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