RvPhone
About the RvPhone PCB
RvPhone is an open source ESP32 PCB design by nrdsp, published on GitHub. It is a 2-layer board measuring 126 × 68 mm, with 272 components from 91 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 136 capacitors, 61 resistors, 35 ICs, 22 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 RvPhone
RvPhone bill of materials (BOM)
272 components, 91 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 | SN74LVC2G66DCU | VSSOP-8_2.3x2mm_P0.5mm | U20 |
| 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 |
Show 71 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LSM9DS1 | LGA-24L_3x3.5mm_P0.43mm | U206 |
| 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 | AudioJack | 35RASMT4BHNTRX | 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 |
| 5 | Spacer | Spacer_small | J208, J209, J402, J403, J404 |
| 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 |
| 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 | 0.047uF | 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 |
| 81 | 0.1uF | C_0603_1608Metric | C13, C15, C16, C17, C18, C19, C20, C23 +73 |
| 5 | 0.01uF | C_0603_1608Metric | C14, C225, C421, C423, C425 |
| 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 |
| 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 |
| 22 | 100K | R_0603_1608Metric | R7, R8, R9, R10, R11, R15, R16, R18 +14 |
| 1 | 100R | R_0603_1608Metric | R12 |
| 7 | 10K | R_0603_1608Metric | R13, R14, R33, R201, R209, R303, R304 |
| 15 | 47K | R_0603_1608Metric | R17, R28, R29, R202, R203, R207, R301, R302 +7 |
| 1 | 210K | R_0603_1608Metric | R27 |
| 1 | 50K | R_0603_1608Metric | R31 |
| 1 | 0R | R_0603_1608Metric | R32 |
| 4 | 22R | R_0603_1608Metric | R204, R205, R206, R403 |
| 1 | 4.7K | R_0603_1608Metric | R208 |
| 1 | 15R | R_0603_1608Metric | R404 |
| 1 | 68R | R_0603_1608Metric | R405 |
RvPhone design files
The KiCad project lives in the nrdsp/rvPhone repository on GitHub; these links point at the commit this page was built from.
RvPhone: common questions
What microcontroller does the RvPhone use?
The RvPhone is built around the ESP32-WROOM, from the ESP32 family.
How big is the RvPhone PCB?
The RvPhone measures 126 × 68 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RvPhone?
272 components, from 91 distinct parts. The full bill of materials is listed on this page.
Where can I download the RvPhone 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 RvPhone 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 RvPhone 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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