Dronemagnav
Dronemagnav is an open source ESP32 PCB design by ajisrawi: a 4-layer, 64 × 60 mm board with 56 components (28 distinct parts). It is built around the ESP32-S3-WROOM-1-N16R8, BMI088, LIS3MDLTR, BMP280 and more. Filed under robotics & motion and sensors and rf & radio.
Magnetic-anomaly navigation (MagNav) board + firmware for drones: ESP32-S3, BMI088, LIS3MDL, BMP280, u-blox GNSS, WDMAM map matching, particle filter, MAVLink, phone route planner. Proprietary - all rights reserved.
GNSS-denied positioning from the Earth's crustal magnetic field, plus a phone-operated great-circle route planner.
Expectations, honestly: the WDMAM world grid is 3 arc-min (~5 km) and upward-continued to 5 km, so with it alone you get drift-free kilometre-class positioning — right for oceanic/jammed cruise, not landing. Load a local aeromagnetic survey (/maps/local.bin, same format) for tens of metres at drone altitude.
Built around
Parts list
56 components, 28 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ESP32-S3-WROOM-1-N16R8 Espressif | ESP32-S3-WROOM-1 | U1 |
| 1 | BMI088 Bosch | Bosch_LGA-16_4.5x3mm_P0.5mm_LayoutBorder7x1y_ClockwisePinNumbering | U2 |
| 1 | LIS3MDLTR LIS3MDL STMicroelectronics | LGA-12_2x2mm_P0.5mm | U3 |
| 1 | BMP280 Bosch | Bosch_LGA-8_2x2.5mm_P0.65mm_ClockwisePinNumbering | U4 |
| 1 | MAX-M10S-00B MAX-M10S u-blox | ublox_MAX | U5 |
| 1 | AMS1117-3.3 AMS / UMW | SOT-223-3_TabPin2 | U6 |
| 1 | AP2112K-3.3TRG1 AP2112K-3.3 Diodes Inc. | SOT-23-5 | U7 |
| 1 | USBLC6-2SC6 STMicroelectronics | SOT-23-6 | U8 |
| 1 | TYPE-C-31-M-12 USB-C HRO | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | SM06B-GHS-TB FC_TELEM JST | JST_GH_SM06B-GHS-TB_1x06-1MP_P1.25mm_Horizontal | J2 |
| 1 | DM3AT-SF-PEJM5 microSD Hirose | microSD_HC_Hirose_DM3AT-SF-PEJM5 | J3 |
| 1 | GNSS_ANT Hirose | U.FL_Hirose_U.FL-R-SMT-1_Vertical | J4 |
| 1 | SM06B-GHS-TB SENSOR_MAST JST | JST_GH_SM06B-GHS-TB_1x06-1MP_P1.25mm_Horizontal | J5 |
| 1 | PTS645SM43SMTR92 RESET C&K | SW_SPST_PTS645Sx43SMTR92 | SW1 |
| 1 | PTS645SM43SMTR92 BOOT C&K | SW_SPST_PTS645Sx43SMTR92 | SW2 |
| 2 | SS14 Vishay / MDD | D_SMA | D1, D2 |
| 1 | 19-217/GHC-YR1S2/3T PWR Everlight | LED_0603_1608Metric | D3 |
| 1 | 19-217/GHC-YR1S2/3T NAV Everlight | LED_0603_1608Metric | D4 |
| 1 | 19-217/BHC-ZL1M2RY/3T FIX Everlight | LED_0603_1608Metric | D5 |
| 1 | 19-217/Y2C-CQ2R2L/3T LINK Everlight | LED_0603_1608Metric | D6 |
Show 8 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 7 | 10uF Samsung | C_0805_2012Metric | C1, C2, C5, C8, C15, C16, C18 |
| 9 | 100nF Samsung | C_0603_1608Metric | C3, C6, C9, C10, C11, C12, C13, C14 +1 |
| 2 | 1uF Samsung | C_0603_1608Metric | C4, C7 |
| 1 | RC0603FR-071KL 1K Yageo | R_0603_1608Metric | R1 |
| 9 | RC0603FR-0710KL 10K Yageo | R_0603_1608Metric | R2, R3, R9, R10, R11, R12, R13, R14 +1 |
| 3 | RC0603FR-07330RL 330R Yageo | R_0603_1608Metric | R4, R5, R6 |
| 2 | RC0603FR-074.7KL 4.7K Yageo | R_0603_1608Metric | R7, R8 |
| 2 | RC0603FR-075.1KL 5.1K Yageo | R_0603_1608Metric | R16, R17 |
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