cukier/EspCncProjeto de placa em KiCad (v9) para a interface entre um modulo ESP32 e a eletronica da CNC 3035: drivers de motor de passo (ex. A4988/DRV8825/TMC2208), fins-de-curso, controle de spindle/laser e alimentacao.
Head is an open-source printed circuit board by cukier, from the cukier/EspCnc repository on GitHub, published under the MIT licence. It is a 2-layer board of 77 × 70 mm with 35 parts on 54 nets, routed with 351 tracks and 40 vias.
It is built around the LM2576HVS-5, AMS1117-3.3 and PN2222A, with the US1M and B340 among its other parts. Its parts include 10 capacitors, 7 connectors, 5 resistors, 4 diodes and 2 ICs. It belongs with the ESP32 boards of this library.
Projeto de placa em KiCad (v9) para a interface entre um modulo ESP32 e a eletronica da CNC 3035: drivers de motor de passo (ex. A4988/DRV8825/TMC2208), fins-de-curso, controle de spindle/laser e alimentacao.
Usado como referencia/ponto de partida o esquematico da buildlog.net,
disponivel em doc/esp32_test_schem_v1.pdf:
https://www.buildlog.net/blog/wp-content/uploads/2018/07/esp32_test_schem_v1.pdf
hardware/
├── EspCnc.kicad_pro # projeto KiCad
├── EspCnc.kicad_sch # esquematico (folha raiz, ainda vazio)
└── EspCnc.kicad_pcb # placa (ainda vazia)Abra EspCnc.kicad_pro no KiCad 9 (ou superior).
Esqueleto inicial do projeto. Proximos passos: desenhar o esquematico com
base na referencia da buildlog.net, definir o mapeamento de pinos do ESP32
usado pelo firmware em firmware/, e projetar a PCB.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100nF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C2, C4, C6, C8, C10 |
| 5 | 10k | Resistor_SMD:R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R2, R3, R4, R5 |
| 4 | MountingHole | MountingHole:MountingHole_3.5mm | H1, H2, H3, H4 |
| 2 | 1uF | Capacitor_SMD:C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C7, C9 |
| 2 | ESP_32 | Connector_PinSocket_2.54mm:PinSocket_2x09_P2.54mm_Vertical | J4, J5 |
| 2 | PN2222A | Package_TO_SOT_THT:TO-92L_Inline_Wide | Q1, Q2 |
| 2 | US1M | Diode_SMD:D_SMA_Handsoldering | D1, D4 |
| 1 | 1000uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C3 |
| 1 | 100uH | Inductor_SMD:L_Changjiang_FXL0840 | L1 |
| 1 | 22uF | Capacitor_THT:CP_Radial_D8.0mm_P3.50mm | C5 |
| 1 | 470uF | Capacitor_THT:CP_Radial_D13.0mm_P5.00mm | C1 |
| 1 | AMS1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | B340 | Diode_SMD:D_SMC | D3 |
| 1 | Conn_01x08 | Connector_PinSocket_2.54mm:PinSocket_1x08_P2.54mm_Vertical | J2 |
| 1 | HEAD | Connector_PinSocket_2.54mm:PinSocket_1x07_P2.54mm_Vertical | J1 |
| 1 | LM2576HVS-5 | Package_TO_SOT_SMD:TO-263-5_TabPin3 | U1 |
| 1 | PWR | Connector_BarrelJack:BarrelJack_Horizontal | J3 |
| 1 | PWR | LED_THT:LED_D3.0mm | D2 |
| 1 | USB_D | Connector_PinSocket_2.54mm:PinSocket_1x09_P2.54mm_Vertical | J7 |
| 1 | USB_E | Connector_PinSocket_2.54mm:PinSocket_1x09_P2.54mm_Vertical | J6 |
It measures 77 × 70 mm and has 2 copper layers, 1.6 mm thick.
35 parts, built around the LM2576HVS-5, AMS1117-3.3, PN2222A and US1M. 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 cukier/EspCnc repository on GitHub, at the commit this page was made from: the board is hardware/Head/Head.kicad_pcb and its schematic hardware/Body/Body.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
cukier/EspCnc
Projeto de placa em KiCad (v9) para a interface entre um modulo ESP32 e a eletronica da CNC 3035: drivers de motor de passo (ex. A4988/DRV8825/TMC2208), fins-de-curso, controle de spindle/laser e alimentacao.
cukier/EspCnc
Projeto de placa em KiCad (v9) para a interface entre um modulo ESP32 e a eletronica da CNC 3035: drivers de motor de passo (ex. A4988/DRV8825/TMC2208), fins-de-curso, controle de spindle/laser e alimentacao.
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