HJWWalters

Jack of all trades; master of none.

  • Home
  • About
  • Resources
  • Contact
  • Caroline’s Corner

Articles by hjw5774

Casting Lead Using a Lost-PLA Process

24/11/2025 hjw5774 0

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

23/11/2025 hjw5774 0

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

30/10/2025 hjw5774 0

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

25/08/2025 hjw5774 0

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.

26/07/2025 hjw5774 0

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

22/06/2025 hjw5774 0

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

15/06/2025 hjw5774 0

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

03/01/2025 hjw5774 0

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.

27/10/2024 hjw5774 0

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.

14/10/2024 hjw5774 0

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 […]

Posts pagination

1 2 3 »
This site is under perpetual change; as such, there will likely be broken links and other errors. 
Please report any issues on the contact page.

Copyright © 2026 | WordPress Theme by MH Themes