# Dual architecture UAV ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** aadhishekhar - **Created:** 3/19/2026 - **Last Updated:** 3/23/2026 - **Visibility:** Public ## Key Components ### BZ1 — [Buzzer](https://www.flux.ai/jecstronic/buzzer~1j2.md) - Package: Through Hole - Role: Audible Output - Part Type: Buzzer - Role Details: GPIO15 buzzer **Pins:** - - - + ### D1 — [LED THT](https://www.flux.ai/jharwinbarrozo/led-tht~gr.md) - Role: Indicator - Series Resistance: 0.42Ω - Emission Coefficient: 3.73 - Breakdown Voltage: 0V - Role Details: GPIO2 status LED - Package: Through Hole - Saturation Current: 93.2e-12A - Forward Voltage: 1.70 **Pins:** - A [pin 2] - K [pin 1] ### IC1 — [LM1117MP-3.3/NOPB](https://www.flux.ai/adrian95/lm1117mp-3p3nopb~ohz.md) - Manufacturer Part Number: LM1117MP-3.3/NOPB - Manufacturer Name: Texas Instruments - Package or Case Code: SOT230P700X180-4N - Part Type: Integrated Circuit - Package: SOT-223 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: http://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=http%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Flm1117 - Role: 3.3V Regulator - Role Details: 5V to 3.3V linear regulator **Pins:** - ADJ/GND [pin 1] - INPUT [pin 3] - OUTPUT [pin 2] - VOUT [pin 4] ### J1 — [TerminalBlock-01x02P-5.00mm](https://www.flux.ai/vasy_skral/terminalblock-01x02p-500mm~h4.md) - Package: Terminal Block - Role Details: 9V input supply connector - Part Type: Connector - Role: Power Input **Pins:** - P1 [pin 2] - P2 [pin 1] ### U1 — [LM7805CT/NOPB](https://www.flux.ai/adrian95/lm7805ctnopb~wo3.md) - Role: 5V Regulator - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: 9V to 5V linear regulator - Part Type: Integrated Circuit - Manufacturer Name: Texas Instruments - Manufacturer Part Number: LM7805CT/NOPB - Datasheet URL: https://www.ti.com/lit/ds/symlink/lm340.pdf - Package: TO-220-3 **Pins:** - GND [pin 2] - VI [pin 1] - VO [pin 3] ### U2 — [ESP32-WROOM-32E-N16](https://www.flux.ai/jecstronic/esp32-wroom-32e-n16~wqb.md) - Manufacturer Part Number: ESP32-WROOM-32E-N16 - Manufacturer Name: Espressif Systems - Role Details: ESP32 sensor, UART, and output controller - Package: Module - License: https://creativecommons.org/licenses/by/4.0/ - Role: Sensor Controller - Part Type: Module - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 47] - GND [pin 43] - GND [pin 40] - GND [pin 44] - GND [pin 46] - GND [pin 45] - GND [pin 1] - GND [pin 38] - GND [pin 39] - GND [pin 42] - GND [pin 41] - GND [pin 15] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - NC [pin 21] - NC [pin 32] - NC [pin 18] - NC [pin 20] - NC [pin 22] - NC [pin 19] - NC [pin 17] - RXD0 [pin 34] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - TXD0 [pin 35] ### U3 — [AT89C51RB2-3CSUM](https://www.flux.ai/jecstronic/at89c51rb2-3csum~5zm.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Microcontroller - Role Details: 8051 safety decision controller - Manufacturer Part Number: AT89C51RB2-3CSUM - Role: Safety Controller - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/doc4180.pdf - Package: 40-PDIP - Manufacturer Name: Microchip Technology **Pins:** - *EA [pin 31] - *PSEN [pin 29] - ALE/*PROG [pin 30] - P0-0/AD0 [pin 39] - P0-1/AD1 [pin 38] - P0-2/AD2 [pin 37] - P0-3/AD3 [pin 36] - P0-4/AD4 [pin 35] - P0-5/AD5 [pin 34] - P0-6/AD6 [pin 33] - P0-7/AD7 [pin 32] - P1-0/T2 [pin 1] - P1-1/T2EX/SS [pin 2] - P1-2/ECI [pin 3] - P1-3/CEX0 [pin 4] - P1-4/CEX1 [pin 5] - P1-5/CEX2/MISO [pin 6] - P1-6/CEX3/SCK [pin 7] - P1-7CEX4/MOSI [pin 8] - P2-0/A8 [pin 21] - P2-1/A9 [pin 22] - P2-2/A10 [pin 23] - P2-3/A11 [pin 24] - P2-4/A12 [pin 25] - P2-5/A13 [pin 26] - P2-6/A14 [pin 27] - P2-7/A15 [pin 28] - P3-0/RXD [pin 10] - P3-1/TXD [pin 11] - P3-2/*INT0 [pin 12] - P3-3/*INT1 [pin 13] - P3-4/T0 [pin 14] - P3-5/T1 [pin 15] - P3-6/*WR [pin 16] - P3-7/*RD [pin 17] - RST [pin 9] - VCC [pin 40] - VSS [pin 20] - XTAL1 [pin 19] - XTAL2 [pin 18] ### U4 — [TXS0104ENMNR](https://www.flux.ai/lcsc/txs0104enmnr~cj2h.md) - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part - Role: Level Shifter - Manufacturer Part Number: TXS0104ENMNR - Package or Case Code: NFBGA-12_L2.5-W2.0-C3-R4-P0.50-TL_TI_NMN - Package: NFBGA-12 - LCSC Part Number: C2860864 - Role Details: 12-terminal UART level shifter replacement for ESP32 to AT89C51 bridge; A1/B1 used for ESP_TX to 8051_RX, A2/B2 used for ESP_RX to 8051_TX; remaining channels unused **Pins:** - A1 [pin A1] - A2 [pin A2] - A3 [pin 3] - A4 [pin 4] - B1 [pin C1] - B2 [pin 2] - B3 [pin 3] - B4 [pin 4] - GND [pin B4] - OE [pin B3] - VCCA [pin B2] - VCCB [pin B1] ### U4 — [TXS0104ED](https://www.flux.ai/lcsc/txs0104ed~l9gc.md) - Role Details: UART translation between ESP32 and AT89C51 - Manufacturer Part Number: TXS0104ED - JLCPCB Part Class: Extended Part - Manufacturer Name: TI(德州仪器) - Role: Level Shifter - LCSC Part Number: C1549695 - Part Type: Translators / Level Shifters - Package: SOIC-14 - Package or Case Code: SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL **Pins:** - A1 [pin 2] - A2 [pin 3] - A3 [pin 4] - A4 [pin 5] - B1 [pin 13] - B2 [pin 12] - B3 [pin 11] - B4 [pin 10] - GND [pin 7] - NC [pin 6] - NC [pin 9] - OE [pin 8] - VCCA [pin 1] - VCCB [pin 14] ### U5 — [DHT11](https://www.flux.ai/vasy_skral/dht11~u71.md) - License: https://creativecommons.org/licenses/by/4.0/ - Package: Through Hole - Role: Sensor - Role Details: Temperature and humidity sensor on GPIO4 - Part Type: Integrated Circuit - Manufacturer Part Number: DHT11 - Datasheet URL: https://cdn-learn.adafruit.com/downloads/pdf/dht.pdf - Manufacturer Name: Adafruit Industries LLC - Symbol Style: Parametric **Pins:** - GND [pin 4] - IO [pin 2] - NC [pin 3] - VCC [pin 1] ### US1 — [HC-SR04](https://www.flux.ai/vasy_skral/hc-sr04~afv.md) - Part Type: Sensor - Package: Through Hole - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: HC-SR04 - Datasheet URL: https://cdn.sparkfun.com/datasheets/Sensors/Proximity/HCSR04.pdf - Role: Sensor - Role Details: Ultrasonic distance sensor **Pins:** - ECHO [pin 3] - GND [pin 4] - TRIG [pin 2] - VCC [pin 1] ### Y1 — [Crystal_HC49-U_Vertical](https://www.flux.ai/jecstronic/crystalhc49-uvertical~rlz.md) - Role: Clock Source - Part Type: Oscillator - Role Details: 12MHz crystal for AT89C51 - Package: HC49 - Frequency: 12MHz **Pins:** - P1 - P2 *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/aadhishekhar/dual-architecture-uav~5r](https://www.flux.ai/aadhishekhar/dual-architecture-uav~5r).* --- *Generated from [https://www.flux.ai/aadhishekhar/dual-architecture-uav~5r](https://www.flux.ai/aadhishekhar/dual-architecture-uav~5r)*