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 […]
Articles by hjw5774
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). […]
Casting Lead Using a Lost-PLA Process
Do you ever wish your 3D prints had x22 times more mass? Has the lack of toxicity in your 3D prints been a source of […]
Testing Video Transmission with Various nRF24L01 modules
As eluded in the resource page about sending video wirelessly via a pair of nRF24L01 transceivers, I wanted to do some range & speed tests […]
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 […]
Reva G-Wiz: A New Project
I’ve always wanted to build my own car: the idea of driving something unique as well as having total control of the specification appeals to […]
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 […]
An Exercise in Futility: Edge detection on a ST7920 128×64 LCD display
Ever since doing the successful real-time edge detection experiment using the GC9A01 display, I couldn’t help but wonder what it would be like on the […]
Real Time Edge Detection using ESP32-CAM
This project builds on the experience gained during the previous motion tracking ESP32-CAM project, and is simply just a proof-of-concept to see if the ESP32 […]
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 […]