Panel
About the Panel PCB
Panel is an open source ESP32 PCB design by nrdsp, published on GitHub. It is a 2-layer board measuring 166.6 × 94 mm, with 261 components from 90 distinct parts.
Its main chip is the ESP32-WROOM, from the ESP32 family. Other key parts include the BQ25895, TPS62293, TPS630250, FE310-G002 and IS25LP128-JKLE. By type, the board carries 135 capacitors, 55 resistors, 34 ICs, 19 connectors, 7 switches and 4 diodes.
It belongs with the audio, iot & wireless and sensors designs in this gallery.
From the project
The goal of the this project is to develop a privacy enhanced, simple and fully featured mobile phone.
The goal of the this project is to develop a privacy enhanced, simple and fully featured mobile phone.
- CPU: SiFive Freedom E310 (FE310-G002) microcontroller - WiFi/BT: Espressif ESP32 - Graphics: BT815 Display/Touch Controller - Baseband: Mini PCIe module (SIMCom SIM7600X or Quectel EC-25) - Audio: MAX98357A Class D amplifier / ICS-43434 MEMS Microphone - Accelerometer: LSM9DS1 - gyro, accel, magnetometer - Haptic driver: DRV2605L - NXP i.MX8M System-on-Module daughterboard
Main components on the Panel
Panel bill of materials (BOM)
261 components, 90 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | BQ25895 | Texas_S-PWQFN-N24_EP2.7x2.7mm_ThermalVias | U1 |
| 1 | TPS62293 | TPS62290 | U2 |
| 1 | TPS630250 | TPS630250 | U3 |
| 1 | FE310-G002 | QFN-48-1EP_6x6mm_P0.4mm_EP4.2x4.2mm_ThermalVias | U4 |
| 2 | IS25LP128-JKLE | WSON-8-1EP_6x5mm_P1.27mm_EP3.4x4mm | U5, U404 |
| 1 | SN74LVC2G07DCK | Texas_R-PDSO-G6 | U6 |
| 2 | TMUX1574RSV | UQFN-16_1.8x2.6mm_P0.4mm | U7, U407 |
| 2 | 74HC00 | DHVQFN-14_2.5x3.0mm_P0.5mm_EP1.0x1.5mm | U8, U9 |
| 2 | 74HC595 | DHVQFN-16_2.5x3.5mm_P0.5mm_EP1.0x2.0mm | U10, U11 |
| 1 | ICS-43434 | ICS-43434 | U12 |
| 2 | MAX98357A | TQFN-16-1EP_3x3mm_P0.5mm_EP1.23x1.23mm_ThermalVias | U13, U14 |
| 2 | MAX14689A | TDFN-10-1EP_2x2.5mm_P0.4mm_EP1.3x1.4mm_ThermalVias | U15, U16 |
| 1 | SN74LVC1G04DCK | Texas_R-PDSO-G5 | U17 |
| 1 | TMUX1119DCK | Texas_R-PDSO-G6 | U18 |
| 1 | 74LVC1G02 | Texas_R-PDSO-G5 | U19 |
| 1 | ESP32-WROOM | ESP32-WROOM | U201 |
| 1 | SN74CBTLV3125RGY | Texas_S-PVQFN-N14_ThermalVias | U202 |
| 2 | TXB0104RGY | Texas_S-PVQFN-N14_ThermalVias | U203, U204 |
| 1 | DRV2605LDGS | VSSOP-10_3x3mm_P0.5mm | U205 |
| 1 | LSM9DS1 | LGA-24L_3x3.5mm_P0.43mm | U206 |
Show 70 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | FT230XQ | QFN-16-1EP_4x4mm_P0.65mm_EP2.1x2.1mm | U207 |
| 1 | TMUX154ERSW | UQFN-10_1.4x1.8mm_P0.4mm | U208 |
| 1 | FAN5333BSX | SOT-23-5 | U401 |
| 1 | SN74LVC3G06DCU | VSSOP-8_2.4x2.1mm_P0.5mm | U402 |
| 1 | BT817Q | QFN-64-1EP_9x9mm_P0.5mm_EP6x6mm_ThermalVias | U403 |
| 1 | DS90C185 | QFN-48-1EP_6x6mm_P0.4mm_EP4.6x4.6mm_ThermalVias | U405 |
| 1 | TS3DV520ERUA | Texas_R-PWQFN-N42 | U406 |
| 1 | SiT1533 | SiT1533 | X1 |
| 1 | 16MHz | TXC_7M | Y1 |
| 1 | 12MHz | TXC_7M | Y401 |
| 1 | USB_OTG | GCT_MicroUSB-USB3080 | J1 |
| 1 | BATT | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | +5V | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | SJ-3571N | SJ-3571N | J4 |
| 1 | SPEAKER | PinHeader_1x04_P2.54mm_Vertical | J5 |
| 1 | Ext Audio | Molex_SlimStack_54722-0164_2x08_P0.50mm_Vertical | J6 |
| 1 | Modem | TE_mPCIe-1775862 | J201 |
| 1 | SIM_Card | Wurth_NanoSIM-693043020611 | J202 |
| 1 | Motor | SolderWirePad_1x02_SMD_1x2mm | J203 |
| 2 | Micro_SD_Card_Det | Molex_MicroSD-5027740891 | J204, J302 |
| 1 | Prog | Hirose_FH12-12S-0.5SH_1x12-1MP_P0.50mm_Horizontal | J205 |
| 1 | Expansion | Molex_SlimStack_54722-0164_2x08_P0.50mm_Vertical | J206 |
| 1 | Camera | Molex_SlimStack_54722-0164_2x08_P0.50mm_Vertical | J207 |
| 1 | iMX8 | TE_SODIMMDDR3-2013289 | J301 |
| 1 | Console | Hirose_FH12-6S-0.5SH_1x06-1MP_P0.50mm_Horizontal | J303 |
| 1 | Display | Molex_SlimStack_54722-0304_2x15_P0.50mm_Vertical | J401 |
| 2 | Spacer | Spacer | J402, J403 |
| 1 | RESET | SW_SPST_PTS810 | SW1 |
| 1 | WAKE | Panasonic_EVPAE | SW2 |
| 1 | ESP32_RST | SW_SPST_PTS810 | SW201 |
| 1 | MODEM_RST | SW_SPST_PTS810 | SW202 |
| 1 | iMX8_ALT_BOOT | SW_SPST_PTS810 | SW301 |
| 1 | iMX8_RST | SW_SPST_PTS810 | SW302 |
| 1 | iMX8_PWR | SW_SPST_PTS810 | SW303 |
| 1 | B5817WS | D_SOD-323 | D1 |
| 1 | LED | LED_0603_1608Metric | D2 |
| 1 | MBR0540 | D_SOD-123 | D401 |
| 1 | 3SMAJ5935B-TP | D_SMA | D402 |
| 1 | 2.2uH | L_Vishay_IHLP-2525 | L1 |
| 1 | 2.2uH | Coilcraft-LPS3015 | L2 |
| 1 | 1uH | Coilcraft-XAL40 | L3 |
| 1 | 10uH | Murata-LQH66SN | L401 |
| 7 | 1uF | C_0603_1608Metric | C1, C203, C221, C222, C401, C402, C415 |
| 1 | 47nF | C_0603_1608Metric | C2 |
| 2 | 4.7uF | C_0603_1608Metric | C3, C301 |
| 20 | 10uF | C_0603_1608Metric | C4, C5, C6, C7, C8, C9, C10, C11 +12 |
| 1 | 47uF | C_0805_2012Metric | C12 |
| 80 | 0.1uF | C_0603_1608Metric | C13, C15, C16, C17, C18, C19, C20, C23 +72 |
| 1 | 10nF | C_0603_1608Metric | C14 |
| 4 | 10pF | C_0603_1608Metric | C25, C26, C409, C410 |
| 11 | 22uF | C_0805_2012Metric | C51, C52, C55, C202, C228, C314, C315, C316 +3 |
| 3 | 33pF | C_0603_1608Metric | C215, C216, C217 |
| 1 | 470uF | CP_EIA-7343-31_Kemet-D | C218 |
| 4 | 0.01uF | C_0603_1608Metric | C225, C421, C423, C425 |
| 1 | 260R | R_0603_1608Metric | R1 |
| 1 | 5.23K | R_0603_1608Metric | R2 |
| 1 | 30.1K | R_0603_1608Metric | R3 |
| 1 | 2.2K | R_0603_1608Metric | R4 |
| 1 | 560K | R_0603_1608Metric | R5 |
| 1 | 180K | R_0603_1608Metric | R6 |
| 20 | 100K | R_0603_1608Metric | R7, R8, R9, R10, R11, R15, R16, R18 +12 |
| 1 | 100R | R_0603_1608Metric | R12 |
| 4 | 10K | R_0603_1608Metric | R13, R14, R201, R210 |
| 14 | 47K | R_0603_1608Metric | R17, R28, R29, R202, R203, R208, R401, R402 +6 |
| 1 | 210K | R_0603_1608Metric | R27 |
| 2 | 50K | R_0603_1608Metric | R31, R32 |
| 4 | 22R | R_0603_1608Metric | R204, R205, R206, R403 |
| 1 | 4.7K | R_0603_1608Metric | R209 |
| 1 | 15R | R_0603_1608Metric | R404 |
| 1 | 68R | R_0603_1608Metric | R405 |
Panel design files
The KiCad project lives in the nrdsp/rvPhone repository on GitHub; these links point at the commit this page was built from.
- Layouthw/panel/panel.kicad_pcb
Panel: common questions
What microcontroller does the Panel use?
The Panel is built around the ESP32-WROOM, from the ESP32 family.
How big is the Panel PCB?
The Panel measures 166.6 × 94 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Panel?
261 components, from 90 distinct parts. The full bill of materials is listed on this page.
Where can I download the Panel design files?
From the nrdsp/rvPhone repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Panel design in my own project?
The repository has no license, so all rights stay with nrdsp. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the Panel without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug ESP32 firmware against it before you order a PCB.
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