From 3de0a691f076b658b7040cd2063fde05ead59949 Mon Sep 17 00:00:00 2001 From: Thomas Gohle Date: Sun, 5 Oct 2025 16:09:05 +0000 Subject: [PATCH] Upload files to "/" initial README --- README.md | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 README.md diff --git a/README.md b/README.md new file mode 100644 index 0000000..978c350 --- /dev/null +++ b/README.md @@ -0,0 +1,20 @@ +# PC817 Series PhotoCoupler Tester + +Simple test setup for the **PC817 optocoupler family**. +Goal: quick validation of parts and basic frequency response. + +## Project Scope +- **Part check**: Verify if a single PC817 is functional (on/off behavior). +- **Frequency response**: Measure switching speed with an external signal source (Siglent arbitrary generator) and scope. + +## Notes +- Two independent circuits: + 1. **Basic LED–Transistor test** for functionality. + 2. **Frequency response test** for rise/fall times and cutoff. +- This repo contains only the **blueprints and notes**. + No final PCB or kit planned. + +## Status +Planned as a short **8h project** → quick results only. +A detailed write-up may follow on the Tōgō-Lab blog. +