ESP32-WROOM-32E + CC1101 Multiband
About the ESP32-WROOM-32E + CC1101 Multiband PCB
ESP32-WROOM-32E + CC1101 Multiband is an open source ESP32 PCB design by bdini13, published on GitHub under the Custom license license. It is a 4-layer board measuring 90 × 36 mm, with 105 components from 59 distinct parts.
Its main chip is the ESP32-WROOM-32E-N8, from the ESP32 family. Other key parts include the CC1101RGPR, PE42442A-Z, CP2102N-A02-GQFN24, AP63203WU-7 and TPS22918DBVR. By type, the board carries 43 capacitors, 23 resistors, 15 inductors, 8 ICs, 5 diodes and 4 connectors.
It belongs with the rf & radio, iot & wireless and dev boards & breakouts designs in this gallery.
From the project
Work-in-progress ESP32-WROOM-32E + CC1101 multiband PCB: software-selected 315/433/868/915 MHz paths. AI-assisted engineering draft; not manufacturing-ready.
A custom USB-C development board combining an ESP32-WROOM-32E-N8 with an integrated CC1101 sub-GHz radio, software-selected RF paths, and a vertical SMA antenna connector at the opposite end from USB-C.
Rev A3 · Fully connected review candidate · Not approved to manufacture or sell
The aim is to replace a separate ESP32 board, CC1101 breakout and jumper wires with one purpose-built PCB. The first intended build is five assembled engineering prototypes, after the pre-order checks are complete. Possible product sales are a future option, not a launch announcement.
Main components on the ESP32-WROOM-32E + CC1101 Multiband
ESP32-WROOM-32E + CC1101 Multiband bill of materials (BOM)
105 components, 59 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-WROOM-32E-N8 | ESP32-WROOM-32E | U1 |
| 1 | CC1101RGPR | Texas_RGP0020H_VQFN-20-1EP_4x4mm_P0.5mm_EP2.4x2.4mm_ThermalVias | U2 |
| 2 | PE42442A-Z | pSemi_PE42442_QFN24 | U3, U4 |
| 1 | CP2102N-A02-GQFN24 | QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm | U5 |
| 1 | AP63203WU-7 | Diodes_TSOT26 | U6 |
| 1 | TPS22918DBVR | SOT-23-6 | U7 |
| 1 | SN74LVC2G125DCTR | SSOP-8_2.95x2.8mm_P0.65mm | U8 |
| 2 | MMBT3904 | SOT-23 | Q1, Q2 |
| 1 | ABM8-26.000MHZ-10-1-U-T | Abracon_ABM8_4Pin_3.2x2.5mm | Y1 |
| 1 | USB-C USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | SMA FEMALE VERTICAL 50 OHM | SMA_Amphenol_132134_Vertical | J2 |
| 1 | EXPANSION (DNP) | PinHeader_1x10_P2.54mm_Vertical | J3 |
| 1 | POWER ARM AUTO / EXT | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | B0310J50100AHF | TTM_B0310J50100AHF | B1 |
| 1 | 750mA PTC | Fuse_1206_3216Metric | F1 |
| 1 | RESET | SW_Push_1P1T_NO_CK_KMR2 | SW1 |
| 1 | BOOT | SW_Push_1P1T_NO_CK_KMR2 | SW2 |
| 1 | USBLC6-2SC6 | SOT-23-6 | D1 |
| 1 | PESD5V0S1UL | D_SOD-882 | D2 |
| 1 | STATUS GREEN | LED_0603_1608Metric | D3 |
Show 39 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | POWER GREEN | LED_0603_1608Metric | D4 |
| 1 | RF ESD DNP | D_0402_1005Metric | D5 |
| 1 | 600R@100MHz | L_0603_1608Metric | FB1 |
| 1 | 4.7uH XAL4030 | L_Coilcraft_XAL4030-XXX | L1 |
| 1 | 3.3nH 5% | L_0402_1005Metric | L40 |
| 1 | 6.8nH 5% | L_0402_1005Metric | L41 |
| 3 | 10nH 5% | L_0402_1005Metric | L42, L44, L51 |
| 5 | 0R | L_0402_1005Metric | L43, L46, L47, L49, L50 |
| 1 | 3.6nH 5% | L_0402_1005Metric | L45 |
| 1 | 15nH 5% | L_0402_1005Metric | L48 |
| 1 | 2.2nH 5% | L_0402_1005Metric | L52 |
| 3 | 22uF 25V | C_1206_3216Metric | C1, C2, C13 |
| 2 | 4.7UF 4.7uF | C_0603_1608Metric | C3, C9 |
| 15 | 100NF 100nF | C_0402_1005Metric | C4, C6, C7, C12, C14, C21, C22, C23 +7 |
| 1 | 4.7nF 1kV | C_1206_3216Metric | C5 |
| 1 | DNP | C_0603_1608Metric | C8 |
| 1 | 1UF 1uF | C_0603_1608Metric | C10 |
| 2 | 10UF 10uF | C_0603_1608Metric | C11, C20 |
| 2 | 15pF C0G | C_0402_1005Metric | C31, C32 |
| 2 | 100pF C0G | C_0402_1005Metric | C40, C41 |
| 1 | 0.6pF C0G | C_0402_1005Metric | C42 |
| 8 | DNP | C_0402_1005Metric | C43, C46, C48, C50, C51, C52, C53, C54 |
| 1 | 1.2pF C0G | C_0402_1005Metric | C44 |
| 1 | 8pF C0G | C_0402_1005Metric | C45 |
| 1 | 10pF C0G | C_0402_1005Metric | C47 |
| 1 | 6.2pF C0G | C_0402_1005Metric | C49 |
| 1 | 10NF 10nF | C_0402_1005Metric | C70 |
| 2 | 5.1k 1% | R_0603_1608Metric | R1, R2 |
| 1 | 1k | R_0603_1608Metric | R3 |
| 1 | 1M | R_0603_1608Metric | R4 |
| 1 | 22.1k 1% | R_0603_1608Metric | R5 |
| 1 | 47.5k 1% | R_0603_1608Metric | R6 |
| 5 | 10K 10k | R_0603_1608Metric | R10, R11, R20, R21, R70 |
| 2 | 330R 1% | R_0603_1608Metric | R12, R13 |
| 1 | 56k 1% | R_0402_1005Metric | R30 |
| 5 | 10k pullup | R_0603_1608Metric | R31, R32, R33, R34, R35 |
| 1 | 0R | R_0402_1005Metric | R41 |
| 2 | 49.9R 1% | R_0402_1005Metric | R60, R61 |
| 1 | 100K 100k | R_0603_1608Metric | R71 |
ESP32-WROOM-32E + CC1101 Multiband design files
The KiCad project lives in the bdini13/esp32-cc1101-multiband repository on GitHub; these links point at the commit this page was built from.
ESP32-WROOM-32E + CC1101 Multiband: common questions
What microcontroller does the ESP32-WROOM-32E + CC1101 Multiband use?
The ESP32-WROOM-32E + CC1101 Multiband is built around the ESP32-WROOM-32E-N8, from the ESP32 family.
How big is the ESP32-WROOM-32E + CC1101 Multiband PCB?
The ESP32-WROOM-32E + CC1101 Multiband measures 90 × 36 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the ESP32-WROOM-32E + CC1101 Multiband?
105 components, from 59 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the ESP32-WROOM-32E + CC1101 Multiband design files?
From the bdini13/esp32-cc1101-multiband repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the ESP32-WROOM-32E + CC1101 Multiband design in my own project?
It is published under Custom license, which limits how it may be reused; read the license before building on it.
Can I test firmware for the ESP32-WROOM-32E + CC1101 Multiband 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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