RS485 1
About the RS485 1 PCB
RS485 1 is an open source PCB design by Solderingironspb, published on GitHub. It is a 2-layer board measuring 14.3 × 86 mm, with 29 components from 18 distinct parts.
Other key parts include the MAX485E and AMS1117-3.3. By type, the board carries 11 capacitors, 9 resistors, 2 ICs, 2 connectors, 2 diodes and 1 inductor.
It belongs with the iot & wireless designs in this gallery.
From the project
Данное устройство выступает мастером сети ModbusRTU. Обменивается данными с подчиненными устройствами (до 247 устройств на линии RS485). Все данные дублируются по MQTT на сервер, где они могут обрабатываться, а также появится возможность с сервера управлять подчиненными устройствами.
Main components on the RS485 1
RS485 1 bill of materials (BOM)
29 components, 18 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX485E | SO-8_3.9x4.9mm_P1.27mm | U1 |
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U2 |
| 2 | Master/Slave | PinHeader_1x03_P2.54mm_Vertical | J1, J2 |
| 1 | ~ | SOIC-16W_7.5x10.3mm_P1.27mm | CA-IS3741LW1 |
| 1 | MornsunS0505SC | Converter_DCDC_Murata_MEE1SxxxxSC_THT | PS1 |
| 1 | PSM712-LF-T7 | SOT-23-3 | D1 |
| 1 | 10MQ100NPBF | D_SMA | D4 |
| 1 | 22uH | L_1210_3225Metric | L1 |
| 4 | 100n | C_0603_1608Metric | C1, C5, C6, C8 |
| 1 | 10uF | C_0805_2012Metric | C2 |
| 2 | 5uF | C_0805_2012Metric | C3, C4 |
| 2 | 220pF | C_0805_2012Metric | C7, C9 |
| 2 | 47uF | CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder | C10, C11 |
| 1 | 240 | R_0805_2012Metric | R1 |
| 2 | 470R | R_0805_2012Metric | R2, R11 |
| 2 | 10k | R_0603_1608Metric | R3, R7 |
| 2 | 10R | R_0805_2012Metric | R4, R8 |
| 2 | 100R | R_0805_2012Metric | R5, R9 |
RS485 1 design files
The KiCad project lives in the Solderingironspb/ModbusRTU_Master_MQTT_Gateway repository on GitHub; these links point at the commit this page was built from.
RS485 1: common questions
How big is the RS485 1 PCB?
The RS485 1 measures 14.3 × 86 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RS485 1?
29 components, from 18 distinct parts. The full bill of materials is listed on this page.
Where can I download the RS485 1 design files?
From the Solderingironspb/ModbusRTU_Master_MQTT_Gateway repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the RS485 1 design in my own project?
The repository has no license, so all rights stay with Solderingironspb. Use it as a reference, and ask the author before reusing the design.
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