kalibr
Firebeetle-2-ESP32-E
| kalibr | Firebeetle-2-ESP32-E | |
|---|---|---|
| 4 | 5 | |
| 4,053 | 53 | |
| 1.6% | - | |
| 5.0 | 0.0 | |
| about 1 month ago | over 1 year ago | |
| C++ | C++ | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 only |
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kalibr
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Syncing video with sensor data for creating a learning dataset
Well. Or you can solve the problem by using this Kalibr tool.
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ZED 2 Kalibr Calibration
There is another person who encountered - seemingly - the same issue https://github.com/ethz-asl/kalibr/issues/426 but there are unfortunately no tips on how to fix this.
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Camera Calibration Tool (Pinhole) w/ Re-projection Error Metric
I have tried to compile this one https://github.com/hengli/camodocal but I always get an error, and it looks like the repo is no longer being maintained. https://github.com/ethz-asl/kalibr This one works but it looks like it doesn't provide any error estimate/"goodness" score. I also tried to write my own tool with OpenCV but there I get huge re-projection errors (~1E20). And the ROS http://wiki.ros.org/camera_calibration package also doesn't provide any metric (as far as I can tell).
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Best library for calibrating 3 cameras?
Would recommend Kalibr https://github.com/ethz-asl/kalibr
Firebeetle-2-ESP32-E
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powering an esp32 with batteries
If you look at recharging the device a good charging circuit and low quiescent LDO is needed. Andreas Spieß (popular YouTuber in this domain) compared several developer boards. The outcome is for me to go for „Firebeetle“. A project of mine gives details: https://github.com/Torxgewinde/Firebeetle-2-ESP32-E
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Keeping time while in deep sleep possible?
My PIR sensor runs from battery and uses the RTC to estimate battery runtime: https://github.com/Torxgewinde/Firebeetle-2-ESP32-E/blob/main/Firebeetle_DeepSleep.ino
- ESP32 motion sensor
- Powering the ESP32 using a 3.7V Battery
What are some alternatives?
camodocal - CamOdoCal: Automatic Intrinsic and Extrinsic Calibration of a Rig with Multiple Generic Cameras and Odometry
OpenMQTTGateway - MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.
infidel-sensor - Firmware, mechanical and electrical design files for the Inline Filament Diameter Estimator, Lowcost (InFiDEL).
DFPlayerMini_Fast - Fast and easy to understand Arduino library to use the DFPlayer Mini MP3 module from DFRobot.com. This is a huge improvement (both in terms of execution speed and simplicity) to the standard library provided by DFRobot.com.
camera-calibrator
Marlin - Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
BNO055ESP32 - C++ Interface for the Bosch-Sensortec's BNO055 compatible with Espressif's ESP32 SoC running esp-idf.
blynk-library - Blynk library for IoT boards. Works with Arduino, ESP32, ESP8266, Raspberry Pi, Particle, ARM Mbed, etc.
indi-3rdparty - INDI 3rd Party drivers repository
AVR-ADC-Wrapper - A static, type checked wrapper for AVR devices' ADC.
SparkFun_MPU-9250_Breakout_Arduino_Library - Arduino sketch for MPU-9250 9DoF with AHRS sensor fusion
IRremoteESP8266 - Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/