Download software and libraries from raspbian os

Need an electronics engineer to transfer an existing device from a breadboard to a full PCB project. There is a working prototype assembled on a breadboard. It is necessary to analyze the current connections, correct the schematic if needed, develop a schematic diagram, and create a PCB layout for the subsequent production of a test batch. The device is based on ESP32-S3 and includes: I2S microphone; RTC DS3231; LoRa SX1278; GPS module with UART and PPS; autonomous power supply; service connection for firmware and diagnostics; status indication. What needs to be done: understand the existing prototype on the breadboard; check and refine the schematic diagram; select or clarify components, ratings, power supply, and protection; develop the PCB layout considering the features of ESP32-S3, I2S audio, LoRa, GPS, and RTC; provide connectors, test points, firmware, and diagnostics; perform ERC/DRC checks; prepare a set of files for production and assembly. Expected results: output files in KiCad or Altium Designer; schematic diagram in PDF; PCB layout; Gerber and drill files; BOM; Pick&Place / CPL file; a brief description of the changes made, recommendations, and technical risks. Preference will be given to a performer from Kyiv: it is desirable to have the opportunity to personally show the prototype, discuss details, and conduct a joint technical review if necessary. In the response, please indicate experience with ESP32, autonomous power supply, radio modules, and examples of similar work.

Development of a Flight Controller for Fixed-Wing UAVs An experienced Embedded Hardware Engineer is needed to develop a flight controller for fixed-wing UAVs. Tasks: develop the electrical schematic; design a multilayer PCB; select the component base; prepare Gerber, BOM, and Pick&Place for mass production. Main requirements: microcontroller STM32H743 or equivalent class; functionality similar to Matek H743-Wing V3 (without copying); compatibility with PX4 or ArduPilot; interfaces: CAN, UART, SPI, I2C, USB, PWM; support for connecting GPS, IMU, barometer, telemetry, and other peripherals; maximum use of components that meet NDAA requirements (without using Chinese components where possible). Mandatory when responding: describe your experience in developing Flight Controllers or other Embedded platforms; provide examples of completed projects; indicate which CAD systems you use (Altium, KiCad, etc.); specify estimated timelines and costs for completion. Preference will be given to contractors with experience in developing electronics for UAVs, robotics, or avionics.