RS485 2
About the RS485 2 PCB
RS485 2 is an open source PCB design by Solderingironspb, published on GitHub. It is a 2-layer board measuring 32 × 52 mm, with 15 components from 7 distinct parts.
Other key parts include the AMS1117-3.3. By type, the board carries 6 resistors, 5 capacitors, 1 IC and 1 transistor.
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 2
RS485 2 bill of materials (BOM)
15 components, 7 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U4 |
| 1 | IRLML0060 | SOT-23 | Q1 |
| 1 | ~ | SSOP-20_5.3x7.2mm_P0.65mm | CH32V203F8P6 |
| 1 | ESP-07 | ESP-07 | ESP07S |
| 3 | 100nF | C_0603_1608Metric | C12, C13, C16 |
| 2 | 47uF | CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder | C14, C15 |
| 6 | 10k | R_0603_1608Metric | R16, R17, R18, R19, R20, R21 |
RS485 2 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 2: common questions
How big is the RS485 2 PCB?
The RS485 2 measures 32 × 52 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RS485 2?
15 components, from 7 distinct parts. The full bill of materials is listed on this page.
Where can I download the RS485 2 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 2 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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