
OM-64DO
OpenModbus/OM-64DO
A compact industrial-grade 64-channel Modbus RTU output module.

High voltage (to 3kV) voltmeter
Hvoltmeter is an open-source printed circuit board by Maniak003, from the Maniak003/HV-voltmeter repository on GitHub. It is a 2-layer board of 14.4 × 24.9 mm with 35 parts on 25 nets, routed with 1,106 tracks and 6 vias.
It is built around the STM32G031F8P6, AD8541ARZ and LTC4054ES5-4.2#PBF. Its parts include 14 capacitors, 8 resistors, 6 connectors, 3 ICs and 3 diodes. It belongs with the STM32 boards of this library.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0.1 | Capacitor_SMD:C_0603_1608Metric | C1, C4, C5, C6, C8 |
| 3 | Conn | My-library:SMD-CONN | J4, J5, J6 |
| 2 | 10k | Resistor_SMD:R_0402_1005Metric | R3, R8 |
| 2 | 10uF | Capacitor_SMD:C_0603_1608Metric | C2, C3 |
| 2 | 1uF | Capacitor_SMD:C_0402_1005Metric | C11, C12 |
| 2 | 2.2uF | Capacitor_SMD:C_0402_1005Metric | C10, C14 |
| 2 | 20k | Resistor_SMD:R_0402_1005Metric | R2, R4 |
| 1 | 0.1 | Capacitor_SMD:C_0402_1005Metric | C9 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric | R1 |
| 1 | 200 | Capacitor_SMD:C_0603_1608Metric | C7 |
| 1 | 4.7M | Resistor_SMD:R_0603_1608Metric | R5 |
| 1 | 4.7uF | Capacitor_SMD:C_0402_1005Metric | C13 |
| 1 | 560k | Resistor_SMD:R_0402_1005Metric | R7 |
| 1 | 5G | Resistor_SMD:R_2512_6332Metric | R6 |
| 1 | AD8541 | Package_TO_SOT_SMD:TSOT-23-5 | U2 |
| 1 | LED | LED_SMD:LED_0603_1608Metric | D1 |
| 1 | LTC4054ES5-4.2 | Package_TO_SOT_SMD:TSOT-23-5 | U1 |
| 1 | MCP1700 | Package_TO_SOT_SMD:SOT-23 | U3 |
| 1 | OLED049 | My-library:OLED049 | D3 |
| 1 | STM32G031F8 | Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm | D2 |
| 1 | SWC | My-library:SMD-CONN | J2 |
| 1 | SWD | My-library:SMD-CONN | J3 |
| 1 | SW_DPDT_x2 | My-library:MySwithc | SW1 |
| 1 | USB_B_Micro-Connector | Connector_USB:USB_Micro-B_Molex_47346-0001 | J1 |
It measures 14.4 × 24.9 mm and has 2 copper layers, 1.6 mm thick.
35 parts, built around the STM32G031F8P6, AD8541ARZ and LTC4054ES5-4.2#PBF. 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 Maniak003/HV-voltmeter repository on GitHub, at the commit this page was made from: the board is kicad/hvoltmeter/hvoltmeter.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask Maniak003 before reusing the design.

OpenModbus/OM-64DO
A compact industrial-grade 64-channel Modbus RTU output module.


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