GATT Client MQTT Gateway
With GATT Server Having ADC Sensing The Espressif ESP32-WROOM device has both WIFI and Bluetooth Low Energy (BLE) capability and the ESP-SDK is rich with example code and contains all the libraries necessary to...
Author: Frank
Photo Speed Radar – Set Up, Operation, and Analysis
This is the final part of a four part series describing this project. This “home made” system consists of a Raspberry Pi 3, Model B with attached camera and telephoto zoom lens and a...
Photo Speed Radar – Description of Code
The project uses a Bushnell Speedster Radar Gun wedded to a Raspberry Pi 3, Model B with a telephoto lens-mounted pi camera. This is part three of four parts. In part one an overview...
Photo Speed Radar – Description of Hardware
This is the second of four parts describing this project. Why this project was developed and what it does is found in part one, Overview. This part will describe the hardware in reasonable detail....
Photo Speed Radar-Overview
For a long time I wanted to do this project and finally did it in 2018. Speeders on my street have been a problem and I wanted to start recording who they are and...
Motion Detection with OpenCV and Python
Besides its useful in security cameras I first became interested in deploying motion detection on a camera I built using a Raspberry Pi 3 Model B with an attached telephoto lens. Its purpose was...
Displaying Camera Streams Side-by-Side
Often there are situations where it is desired to watch the streams from multiple cameras simultaneously. Security cameras are certainly one of those situations. For a while now I have been “playing” with various...
ESP32-Camera Streaming and Image Capture
This topic shows many of the ways one can stream video and/or capture images from the esp32-camera by AIthinker. For this purpose the example “camera_web_server” found in the esp-who repository (https://github.com/espressif/esp-who.git) was built and...