RemoteSwitchBoard
About the RemoteSwitchBoard PCB
RemoteSwitchBoard is an open source STM32 PCB design by ararobo, published on GitHub. It is a 2-layer board measuring 64 × 47 mm, with 35 components from 19 distinct parts.
Its main chip is the STM32F303K8Tx, from the STM32 family. Other key parts include the Wio-E5 and AZ1117-3.3. By type, the board carries 9 resistors, 8 connectors, 8 capacitors, 3 ICs, 3 switches and 3 diodes.
From the project
PowerCutoffBoard and RemoteSwitchBoard created by Gento Aiba.
This repository contains hardware and firmware for an emergency stop system: - PowerCutoffBoard: A circuit board that cuts off power in emergency situations. - RemoteSwitchBoard: A circuit board that remotely controls switches.
Main components on the RemoteSwitchBoard
RemoteSwitchBoard bill of materials (BOM)
35 components, 19 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32F303K8Tx | LQFP-32_7x7mm_P0.8mm | U1 |
| 1 | Wio-E5 | LoRa-E5 | U2 |
| 1 | AZ1117-3.3 | SOT-223 | U4 |
| 1 | Conn_Coaxial | SMA_Molex_73251-2120_EdgeMount_Horizontal | J1 |
| 1 | Conn_01x05 | JST_XH_B5B-XH-AM_1x05_P2.50mm_Vertical | J2 |
| 3 | Conn_01x02 | JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J3, J7, J9 |
| 2 | Conn_01x04 | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J5, J6 |
| 1 | XT30PW-M | AMASS_XT30U-M_1x02_P5.0mm_Vertical | J10 |
| 1 | Buzzer | Buzzer_TDK_PS1240P02BT_D12.2mm_H6.5mm | BZ1 |
| 2 | SW_Push | TVAF | SW1, SW2 |
| 1 | SW_DIP_x04 | SW_DIP_SPSTx04_Slide_Copal_CHS-04B_W7.62mm_P1.27mm | SW3 |
| 1 | D | Nexperia_CFP3_SOD-123W | D1 |
| 2 | LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2, D4 |
| 4 | 0.1u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C4, C6 |
| 2 | 4.7u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C5 |
| 1 | 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7 |
| 1 | 22u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C8 |
| 1 | 10k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R1 |
| 8 | 1k | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | R2, R3, R4, R10, R11, R12, R13, R14 |
RemoteSwitchBoard design files
The KiCad project lives in the ararobo/GN10RemoteEmergencyStop repository on GitHub; these links point at the commit this page was built from.
RemoteSwitchBoard: common questions
What microcontroller does the RemoteSwitchBoard use?
The RemoteSwitchBoard is built around the STM32F303K8Tx, from the STM32 family.
How big is the RemoteSwitchBoard PCB?
The RemoteSwitchBoard measures 64 × 47 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RemoteSwitchBoard?
35 components, from 19 distinct parts. The full bill of materials is listed on this page.
Where can I download the RemoteSwitchBoard design files?
From the ararobo/GN10RemoteEmergencyStop repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the RemoteSwitchBoard design in my own project?
The repository has no license, so all rights stay with ararobo. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the RemoteSwitchBoard without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.
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