LO mother
About the LO mother PCB
LO mother is an open source RP2040/RP2350 PCB design by leonardobove, published on GitHub. It is a 2-layer board measuring 89.9 × 66 mm, with 29 components from 21 distinct parts.
Its main chip is the EP2W+, from the RP2040/RP2350 family. Other key parts include the ADF5355BCPZ, NCR2-113+ and SMA-J-P-H-ST-TH1. By type, the board carries 18 capacitors, 5 ICs, 3 connectors and 2 resistors.
From the project
QPCB: Quantum Pulse Conversion Board
Main components on the LO mother
LO mother bill of materials (BOM)
29 components, 21 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ADF5355BCPZ ADM7150 | ADM7150 | U1 |
| 1 | EP2W+ ADM7150 | ADM7150 | U2 |
| 1 | NCR2-113+ ADM7150 | ADM7150 | U3 |
| 1 | EP2W+ Pico | RPi_Pico_SMD_TH | U4 |
| 1 | SMA-J-P-H-ST-TH1 V_riv | PinHeader_1x02_P2.54mm_Vertical | U5 |
| 1 | CONN_01X09 6V | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | CONN_01X09 Conn_01x09 | header_microwave | J2 |
| 1 | SMA-J-P-H-ST-TH1 Conn_01x09 | header_microwave | J3 |
| 1 | SiT5157AI-FK-33N0-100.000000X | SiT5157AIFK33N0100000000X | 1 |
| 4 | 0.1U 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C2, C3, C15 |
| 4 | 10P 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C5, C6, C14 |
| 3 | 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C7, C8, C9 |
| 1 | 1u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C10 |
| 1 | 0.1U 1u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C11 |
| 1 | 10P 1u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C12 |
| 1 | 100N 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C13 |
| 1 | 100N 39n | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C16 |
| 1 | 33N 10u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C17 |
| 1 | 10P 0.1u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C18 |
| 1 | 100 1.3k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1 |
Show 1 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 4.7K 10k | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R2 |
LO mother design files
The KiCad project lives in the leonardobove/qpcb repository on GitHub; these links point at the commit this page was built from.
LO mother: common questions
What microcontroller does the LO mother use?
The LO mother is built around the EP2W+, from the RP2040/RP2350 family.
How big is the LO mother PCB?
The LO mother measures 89.9 × 66 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the LO mother?
29 components, from 21 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 LO mother design files?
From the leonardobove/qpcb 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 LO mother design in my own project?
The repository has no license, so all rights stay with leonardobove. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the LO mother without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.
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