My current helmet uses a Rayovac head lamp purchased at Home Depot for around $12. It’s been a good lamp, much better than the cheap head lamps I have used in the past. It’s tough and weather proof. The focal beam was too narrow, so I added hot glue to the lens for a diffused beam. The backing is similar to the head lamps I’ve used in the past. I tacked some velcro between the head lamp and helmet, with…
One of the sensors that I found recently is a wind sensor that could be useful. I’ve had several tracks that I’ve done and it would’ve been nice to know what the headwind was. This clever little sensor from ModernDevices looks like it would be up to the task. I’ve seen some mention of using Ultrasonic, peizo sensors, and even microphones. Here’s an online demo of a peizo setup. ModernDevices mentions this, “the sensor was glitchy, picked up sound and…
One of my last long distance rides turned out to be grueling. It started going sour when I noticed my phone battery level was getting low. In a pinch, I used the battery pack that supplied my helmet camera. That kept it alive for the remainder of the ride. I wasn’t as lucky with my main pack. It seemed to work but the charger stopped. To add insult to injury, I then had to haul the dead weigth. It turned…