TomTom Rider mount adaptor | Power your phone from a sat-nav bracket

prusaprinters

While the TomTom Rider is an excellent sat-nav on my bike, I've been increasingly using Calimoto for rides when I just want to enjoy myself and discover new roads (it's a great app and it's free to try). This adaptor is available with or without power, and allows you to stick on the adaptor of your choice (I use SP Connect, but you should be fine with a Quad Lock adaptor too). This charges my Samsung Galaxy S10 at about 1.5Ah, and saves having an external supply or other mount.If you choose the powered option, you'll need 2mm brass rod for the power pick-ups, an old USB-C cable and three different resistors (four in total) if you go for the same circuit. I also used Araldite two-part epoxy to fill the recess for the resistors, and you might need a small amount of heat-shrink tubing or insulation tape to ensure they don't touch in there. Some masking tape keeps it neat when putting the resin in, and get it as flat as possible for good adhesion with your chosen phone mount bracket, which sticks on the back.I got the circuit diagram from https://learn.adafruit.com/minty-boost/icharging but please be aware that of course you plug your mobile phone into this at your own risk. I tested it with a USB charging tester before I plugged my phone in, but it's been great!Sorry, but supports are necessary. It doesn't need many, but you'll need a flat-bladed screwdriver to clear them all out completely.Please do leave a comment and let me know how you get on with it. I'd love to think that other people are making use of this!