Tracking the Solar Eclipse of 2026
Well, technically it was a partial solar eclipse with approximately 93% coverage, but the next full solar eclipse is in 2090 and I have no […]
arduino
Testing the Speed of A Cheap RC Car
A short post about some experiments conducted to test the spurious speed claims on a cheap remote-controlled car purchased from eBay. (AAA batteries not included). […]
Using an OLED I2C Display with 433MHz RF Modules
While working with the 433MHz RF transmitter/receiver pair, I found an issue when trying to integrate a SH1106 OLED display module into the system. This […]
ESP32CAM – Digital Panning using a Joystick and ST7789 Display.
As with most ideas, this one came at the inconvenient time of 11:13pm – so I sent a Whatsapp message to myself to remind me […]
ESP32-CAM Realtime Motion Tracking: First Tests
After finding myself with a little extra time over the festive period, I decided to go back over the ESP32-CAM homebrew computer vision project after […]
Comparing the Garmin LiDAR-Lite V3HP with the Benewake TF-Luna LiDAR sensor.
I’ve previously tested beam divergence of the Benewake TF-Luna as part of the VL6180X distance sensor write-up, which also includes results from the Sharp IR […]
Testing the PWM and Braking functions of the DRV8871 driver and 775 DC motor with an AS5600 sensor.
Curiosity is a strong driving force; especially, when there is a note on the datasheet regarding braking and PWM control. You can see the note […]
Exporting Greyscale Image Data from an ESP32-CAM to Excel via Serial, while Displaying on a GC9A01 TFT Screen.
This is a post about how to export image data from an ESP32-CAM via serial, and how to them import it in to Microsoft Excel
Running Camera & Display on Core 0 of the ESP32-CAM
This uses the same setup as the original experiment which achieved 32FPS by splitting the duty across the two CPU cores. However, as this only […]
Rendering 3D Graphics Using an Arduino Nano.
This started as the result of misreading the title of a Reddit post by u/Trotztd and lead to rendering 3D graphics on an Arduino. The […]