4 layers45 × 32 mm
Templog mainboard
Michael-Manning/E-Paper-Climate-Logger
Firmware, PCB, and enclosure for the Weathergotchi E-Paper climate logger.
68 parts457MIT
2 layers85 × 79.2 mm
Esp32-polargraph
iverasp/esp32-polargraph- Size
- 85 × 79.2 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 66
- Nets
- 94
- Pads
- 367
- Tracks, vias
- 401, 42
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 6 (file 20211014)
- Created
- 18 Mar 2022
- Updated
- 22 Mar 2022
Overview
Esp32-polargraph is an open-source printed circuit board by iverasp, from the iverasp/esp32-polargraph repository on GitHub. It is a 2-layer board of 85 × 79.2 mm with 66 parts on 94 nets, routed with 401 tracks and 42 vias.
It is built around the ESP32-S3-MINI-1-N8 and TMC2224-LA-T. Its parts include 21 capacitors, 18 resistors, 8 connectors, 6 ICs and 2 switches. It belongs with the ESP32 and RISC-V boards of this library.
Main components
2
ESP32-S3-MINI-1-N8
SMD-104.5dBm -40℃~+85℃ 2.4GHz 20.5dBm 330mA 3V~3.6V 97mA Bluetooth5.0 ESP32-S3FN8 Chip On-board PCB Antenna UART、SPI、I2C、I2S、USB SMD WiFi Modules ROHSEspressif SystemsWiFi Modules
TMC2224-LA-T
QFN-28-EP(5x5)-40℃~+125℃ 1.4A 256 3.3V~5V 570mΩ Bipolar Driver Overcurrent Protection、Short-Circuit Protection、Over temperature protection、Under-voltage lockout、Motor step-out prevention function、Built-in charge pump STEP/DIR、UART Yes QFN-28-EP(5x5) Stepper Motor Driver ROHSTRINAMIC Motion Control GmbHStepper Motor Driver
Parts
66| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C1, C2, C3, C5, C6, C7, C8, C14, C15, C16, C17, C20 |
| 5 | 10k | Resistor_SMD:R_0603_1608Metric | R1, R2, R16, R17, R18 |
| 4 | Conn_01x01_Female | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | R | Resistor_SMD:R_1206_3216Metric | R3, R4, R11, R12 |
| 4 | SolderJumper_2_Open | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1, JP2, JP3, JP4 |
| 3 | TestPoint | TestPoint:TestPoint_Pad_D2.0mm | 3.3V1, 5V1, 24V1 |
| 2 | 100uF | Capacitor_SMD:CP_Elec_10x10.5 | C4, C13 |
| 2 | 10uF | Capacitor_SMD:CP_Elec_4x5.4 | C11, C12 |
| 2 | 2.2uF | Capacitor_SMD:C_0603_1608Metric | C10, C19 |
| 2 | 22nF | Capacitor_SMD:C_0603_1608Metric | C9, C18 |
| 2 | 33R | Resistor_SMD:R_0603_1608Metric | R5, R6 |
| 2 | 4k7 | Resistor_SMD:R_0603_1608Metric | R13, R14 |
| 2 | 5.1k | Resistor_SMD:R_0603_1608Metric | R7, R8 |
| 2 | R | Resistor_SMD:R_0603_1608Metric | R9, R10 |
| 2 | TMC2224-LA-T | Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm_ThermalVias | U1, U4 |
| 1 | 0.96_SSD1306 | polygraph:0.96_SSD1306 | U6 |
| 1 | 1M | Resistor_SMD:R_0603_1608Metric | R15 |
| 1 | 22uF | Capacitor_SMD:CP_Elec_4x5.4 | C21 |
| 1 | 24VDC | Connector_BarrelJack:BarrelJack_CUI_PJ-063AH_Horizontal | J1 |
| 1 | BOOT | Button_Switch_SMD:SW_SPST_Panasonic_EVQPL_3PL_5PL_PT_A08 | SW1 |
| 1 | EN | Button_Switch_SMD:SW_SPST_Panasonic_EVQPL_3PL_5PL_PT_A08 | SW2 |
| 1 | ESP32-S3-MINI-1 | Espressif:ESP32-S3-MINI-1 | U2 |
| 1 | Left motor | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J4 |
| 1 | Micro_SD_Card | Connector_Card:microSD_HC_Wuerth_693072010801 | J9 |
| 1 | NCP1117-3.3_SOT223 | Package_TO_SOT_SMD:TO-252-2 | U3 |
| 1 | NCV4274ADT50RKG | Package_TO_SOT_SMD:TO-252-3_TabPin4 | U5 |
| 1 | Right motor | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Horizontal | J5 |
| 1 | Stepper A | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal | J6 |
| 1 | Stepper B | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal | J7 |
| 1 | Stepper C | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Horizontal | J8 |
| 1 | USB_C_Receptacle_USB2.0 | USB-C-Power-tester:TYPE-C-31-M-14 | J2 |
Questions
How big is the Esp32-polargraph PCB?
It measures 85 × 79.2 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Esp32-polargraph use?
66 parts, built around the ESP32-S3-MINI-1-N8 and TMC2224-LA-T. 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.
Where can I download the Esp32-polargraph KiCad files?
From the iverasp/esp32-polargraph repository on GitHub, at the commit this page was made from: the board is hardware/esp32-polargraph.kicad_pcb and its schematic hardware/esp32-polargraph.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Esp32-polargraph design in my own project?
Its repository states no licence, so its author keeps all rights: ask iverasp before reusing the design.
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