Lesonar2 tx hardware
tornyol·lesonar2·lesonar2_tx_hardware/lesonar2_tx_hardware.kicad_pcb
About the Lesonar2 tx hardware PCB
Lesonar2 tx hardware is an open source PCB design by tornyol, published on GitHub under the AGPL-3.0 license. It is a 2-layer board measuring 47.9 × 92.3 mm, with 58 components from 10 distinct parts.
Other key parts include the MT3608 and DRV8870DDA. By type, the board carries 48 speakers, 3 resistors, 2 ICs, 2 capacitors, 1 connector and 1 diode.
From the project
Ultrasonic phased array sonar
We're directly selling our ultrasonic sonar development kit, and releasing it under an AGPL license so you can build projects on top of our sensor.
380x TDK Invensense T3902 PDM microphones. Artix-7 A100T FPGA. FT601Q parralel-to-usb bridge tested at up to 200MB/s. 32x 40khz Ultrasonic Piezoelectric emitters * 2 free GPIOs
Optimized for 40KHz operation. Up to 5°x5° beamwidth. * Range up to 8 meters depending on target sonar cross-section.

Main components on the Lesonar2 tx hardware
Lesonar2 tx hardware bill of materials (BOM)
58 components, 10 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MT3608 | SOT-23-6 | U1 |
| 1 | DRV8870DDA | Texas_HTSOP-8-1EP_3.9x4.9mm_P1.27mm_EP2.95x4.9mm_Mask2.4x3.1mm_ThermalVias | U2 |
| 1 | CONN_01X05_PIN Conn_01x05_Pin | PinHeader_1x05_P2.54mm_Vertical | J1 |
| 48 | MA40S4S | XDCR_MA40S4S | LS1, LS2, LS3, LS4, LS5, LS6, LS7, LS8 +40 |
| 1 | SS34 | D_SMA | D1 |
| 1 | 22UH 22uH | L_Sunlord_MWSA0503S | L1 |
| 2 | 33UF 33uF | CP_Elec_6.3x5.4 | C1, C2 |
| 1 | 82K 82k | R_0603_1608Metric | R1 |
| 1 | 2K2 2k2 | R_0603_1608Metric | R2 |
| 1 | 0.2 | R_0603_1608Metric | R3 |
Lesonar2 tx hardware design files
The KiCad project lives in the tornyol/lesonar2 repository on GitHub; these links point at the commit this page was built from.
Lesonar2 tx hardware: common questions
How big is the Lesonar2 tx hardware PCB?
The Lesonar2 tx hardware measures 47.9 × 92.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Lesonar2 tx hardware?
58 components, from 10 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 Lesonar2 tx hardware design files?
From the tornyol/lesonar2 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 Lesonar2 tx hardware design in my own project?
Yes, under the terms of its AGPL-3.0 license, which tornyol chose for the repository.