Superior Satellite tv for pc for Telemetry and Distant Entry (ASTRA) is a CubeSat mannequin designed to supply hands-on expertise in satellite tv for pc know-how. It serves as a sensible platform for studying and innovation in house methods.
Whereas typical training usually leans closely on idea, it will possibly go away college students underprepared for actual world engineering challenges. ASTRA addresses this by permitting learners to use classroom ideas via the design, development, and operation of a working satellite tv for pc mannequin. The result’s significant publicity to satellite tv for pc methods and embedded applied sciences. The required parts are listed within the Invoice of Supplies desk.
| Invoice of Supplies | ||
| Elements | Amount | Particulars |
| Dotted PCB/perf board | 1 | Baseboard |
| ESP32 growth board | 1 | Controller |
| MPU6050 gyro sensor module | 1 | IMU |
| NEO-6M GPS module | 1 | Positioning |
| INA219 present sensor | 1 | Monitoring |
| Buck converter | 2 | Regulator |
| Screw terminals | 4 | Connectors |
| Pin headers | 15 | Interface |
| Pin sockets | 30 | Mounting |
| 18650 batteries | 3 | Energy |
| 3D printing recordsdata for CubeSat body |
1 | Construction |
| BMS board | 1 | Battery administration |
Circuit and dealing
Fig. 1 reveals the circuit diagram of the CubeSat mannequin. The setup is based on the ESP32 growth board, the MPU-6050 sensor module, the NEO-6M GPS module, the INA219 present sensor, and supporting parts.
An onboard laptop (OBC) is included to handle the satellite tv for pc’s energy system and to transmit real-time information, akin to present, voltage, load, and energy consumption, through a Wi-Fi community. The supply code might be modified to transmit and obtain extra payload information, together with UV detection, GPS coordinates, and IMU sensor readings.
Along with the present sensor, the mannequin consists of an MPU6050 gyro sensor for orientation and a GPS module for location information. Nevertheless, these information aren’t at the moment transmitted to the hosted webpage. Check code is offered for these modules, which permits viewing their output on the serial monitor. The principle transmitter code requires modification to allow distant transmission of the payload information to the webpage.
A battery administration system module helps the facility system. Its output connects to a buck converter, which provides energy to the OBC. A second buck converter powers extra payloads. The INA219 present sensor and MPU6050 are each related to the ESP32’s I2C bus, whereas the GPS module connects through the ESP32’s USART pins.
Software program
Three supply code recordsdata are included. The principle file hosts a webpage and sends real-time energy readings to it. The remaining two are check recordsdata that show information from the GPS and MPU6050 sensors through the serial monitor.
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