From 34c69938428c1360d5299ec8b77ca1b575b3b611 Mon Sep 17 00:00:00 2001 From: Oleg Kalachev Date: Sun, 10 May 2026 02:33:03 +0300 Subject: [PATCH] Some fixes in the docs --- README.md | 12 +++++------- docs/usage.md | 2 +- 2 files changed, 6 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index 281eee3..6501da5 100644 --- a/README.md +++ b/README.md @@ -72,7 +72,7 @@ Additional articles: |Type|Part|Image|Quantity| |-|-|:-:|:-:| |Microcontroller board|ESP32 Mini||1| -|IMU (and barometer¹) board|GY‑91, MPU-9265 (or other MPU‑9250/MPU‑6500 board)
ICM20948V2 (ICM‑20948)³
GY-521 (MPU-6050)³⁻¹|

|1| +|IMU (and barometer¹) board|GY‑91, MPU-9265 (or other MPU‑9250/MPU‑6500 board)
ICM20948V2 (ICM‑20948)
GY-521 (MPU-6050)|

|1| |Boost converter (optional, for more stable power supply)|5V output||1| |Motor|8520 3.7V brushed motor.
Motor with exact 3.7V voltage is needed, not ranged working voltage (3.7V — 6V).
Make sure the motor shaft diameter and propeller hole diameter match!||4| |Propeller|55 mm or 65 mm||4| @@ -152,18 +152,16 @@ You can see a user-contributed [variant of complete circuit diagram](https://mir |-|-| |GND|GND| |VIN|VCC (or 3.3V depending on the receiver)| - |Signal (TX)|GPIO4¹| + |Signal (TX)|GPIO4| - *¹ — UART2 RX pin was [changed](https://docs.espressif.com/projects/arduino-esp32/en/latest/migration_guides/2.x_to_3.0.html#id14) to GPIO4 in Arduino ESP32 core 3.0.* +* Optionally connect the battery voltage divider for voltage monitoring to any ADC1 pin (e. g. *GPIO32* on ESP32, *GPIO3* on ESP32-S3). -* Optionally connect the battery voltage divider for voltage monitoring to any ADC1 pin (e. g. *GPIO32* on ESP32, *GPIO3* on ESP32S3). - - ESP32 and ESP32S3 [can measure](https://docs.espressif.com/projects/arduino-esp32/en/latest/api/adc.html#analogsetattenuation) up to 3.1 V and ESP32S3/ESP32C3 can measure up to 2.5 V, so choose the voltage divider resistors accordingly. + ESP32 and ESP32-S3 [can measure](https://docs.espressif.com/projects/arduino-esp32/en/latest/api/adc.html#analogsetattenuation) up to 3.1 V and ESP32-S3/ESP32-C3 can measure up to 2.5 V, so choose the voltage divider resistors accordingly. ## Resources * Telegram channel on developing the drone and the flight controller (in Russian): https://t.me/opensourcequadcopter. -* Official Telegram chat: https://t.me/opensourcequadcopterchat. +* Official Telegram chat: https://t.me/opensourcequadcopterchat (English / Russian). * Detailed article on Habr.com about the development of the drone (in Russian): https://habr.com/ru/articles/814127/. ## Disclaimer diff --git a/docs/usage.md b/docs/usage.md index fe5fd95..91034c7 100644 --- a/docs/usage.md +++ b/docs/usage.md @@ -170,7 +170,7 @@ After this setup, you should see the battery voltage in QGroundControl top panel 2. Check the attitude estimation: connect to the drone using QGroundControl, rotate the drone in different orientations and check if the attitude estimation shown in QGroundControl is correct. Compare your attitude indicator (in the *large vertical* mode) to the video: - + 3. Perform motor tests. Use the following commands **— remove the propellers before running the tests!**