Build A Cheap DIY Signal Tracer / Injector Pen Useful For Electronics Fault Finding

Video Description

A Signal Tracer is a really useful bit of kit for any electronics repair bench. So in this video I decided to build a cheap Audio Signal Injector / Tracer Pen using some common circuits I found on the internet... That should be nice easy and cheap to do yeah? I mean, really, how hard can this be??? This video is kindly sponsored by PCBway. Please give PCBWay a try for all your PCB needs. https://www.youtube.com/c/PCBWay If you use this link when creating a new PCBWay account and you will receive a free $5 discount coupon: https://www.pcbway.com/setinvite.aspx?inviteid=561767 Music making a cameo appearance in this video: David And The Giants - Ten Miles High Learn Electronics Repair is now on Discord! Come and join the fun, it's free. https://discord.gg/vam6YC8vwU It takes a lot of time and effort to make Youtube videos. If you enjoy my videos or they helped you with your own repairs please consider subscribing to my channel or click LIKE If you would like to help support this channel you could consider sending a Paypal donation or subscribing to my Patreon page. All monies received will go towards buying more items to repair and make interesting videos, or to improve my video recording equipment and will enable me to spend more time making better videos. If you subscribe to my Patreon you'll get my Whatsapp number and I'll give personal repair support You can send donations via this link https://www.paypal.com/paypalme/youtubeLER You can subscribe via this link https://www.patreon.com/learnelectronicsrepair Thank you for your support. Richard