Comments on: ESP32-CAM PIR Motion Detector with Photo Capture (saves to microSD card) https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/ Learn ESP8266, ESP32, Arduino, and Raspberry Pi Wed, 04 Jun 2025 09:47:07 +0000 hourly 1 https://wordpress.org/?v=6.8.2 By: sZOOn https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-1054422 Wed, 04 Jun 2025 09:47:07 +0000 https://randomnerdtutorials.com/?p=88137#comment-1054422 Thank you so much for the rich and beautifully presented material!
During the study, the idea appeared to determine the movement in the frame (any change in the image) by analyzing the length of the captured image buffer. If the image compression is low, satisfactory results are obtained (for my conditions). I use the ESP-CAM 32 module, JPG SVGA format.

]]> By: Sara Santos https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-1025911 Fri, 11 Apr 2025 17:13:59 +0000 https://randomnerdtutorials.com/?p=88137#comment-1025911 In reply to John.

Hi.
We just updated the tutorial.
It should be working without issues now and no need for the external circuit.
Regards,
Sara

]]> By: Sara Santos https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-1025910 Fri, 11 Apr 2025 17:13:49 +0000 https://randomnerdtutorials.com/?p=88137#comment-1025910 In reply to Vere Nicolson.

Hi.
We just updated the tutorial.
It should be working without issues now.
Regards,
Sara

]]> By: Vere Nicolson https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-998280 Wed, 08 Jan 2025 10:27:28 +0000 https://randomnerdtutorials.com/?p=88137#comment-998280 Hello Sarah,
I am modifying the random nerd sketch “ESP32-CAM PIR Motion Detector with Photo Capture (saves to microSD card)”(https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/)
The GPIO pin changes, and so the timing of the flash is not controlled by the code in the sketch, but must be part of a function in a library, can you tell me which one?
Thanks
Vere

]]> By: Stephan Roy https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-980161 Sun, 03 Nov 2024 03:34:11 +0000 https://randomnerdtutorials.com/?p=88137#comment-980161 In reply to Dave.

Ha! Thanks Dave. I didn’t know about 1-wire. I will explore that venue. Looks like GPIO 16 could work for that.

]]> By: John https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-979763 Sat, 02 Nov 2024 09:38:59 +0000 https://randomnerdtutorials.com/?p=88137#comment-979763 Hello Sara,

Could you explain for what and how the extra circuit for GPIO13 works ?

Thanks.

John

]]> By: Dave https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-974390 Mon, 21 Oct 2024 02:28:12 +0000 https://randomnerdtutorials.com/?p=88137#comment-974390 In reply to Stephan.

1-wire like a DS2417, maybe.

]]> By: Stephan https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-974388 Mon, 21 Oct 2024 02:22:57 +0000 https://randomnerdtutorials.com/?p=88137#comment-974388 Hello! Thank you so much for all your work. I am using your project to build a trail camera, and would like to have the file name to be the current time/date. I have gone around aimlessly, trying to add a RTC, or even use the internal clock (precise enough), to no avail. It seems like I would need more input pins. Would you have a suggestion on how I could do this? Thank you!

]]> By: Tenke https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-934946 Sun, 07 Jul 2024 04:51:34 +0000 https://randomnerdtutorials.com/?p=88137#comment-934946 I’m having a strange issue where serial monitor will print “sd card mount failed” and the camera will crash if the pin is held low too long or if the PIR sensor in the circuit trips repeatedly. thought GPIO13 was data3 for SD card so tried changing to GPIO12 and had the same issue.

]]> By: HengAh! https://randomnerdtutorials.com/esp32-cam-pir-motion-detector-photo-capture/#comment-929790 Mon, 24 Jun 2024 04:08:18 +0000 https://randomnerdtutorials.com/?p=88137#comment-929790 Hi, is it possible to make it wakes up faster, my application requires it to take a photo of an object that’s falling.

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