Category: Development updates

In the last weeks, I have been fixing artifacts in the signal, I was doing experiments with LASER modulation and with DMA data transfer on Raspberry Pi v2. Fixing Existing Circuit I was facing artifacts in the signal before entering A/D conversion. A new operational amplifier fixed it. See artifacts below: The solution was to…

Finally I have new working prototype on my desk. Introduction: As a hobby, I am developing a contactless vibration detector. Actually, it is based on Arduino & KiCAD. The previous version (finished & tested & working) is on the link below. However, you need to write your own PC code or use its analog output,…