From 63bc7d4d733190ad3e10264224ee1e0c94518678 Mon Sep 17 00:00:00 2001 From: schneefux Date: Sun, 7 Aug 2016 16:42:51 +0200 Subject: esp-ledstrip: post mortem --- content/tech/esp-ledstrip.md | 2 ++ 1 file changed, 2 insertions(+) (limited to 'content/tech') diff --git a/content/tech/esp-ledstrip.md b/content/tech/esp-ledstrip.md index ad43460..5db5e07 100644 --- a/content/tech/esp-ledstrip.md +++ b/content/tech/esp-ledstrip.md @@ -21,3 +21,5 @@ On the ESP8266 runs a web server with a simple API to change the colors and a UD The Arduino sketch can be found [here](https://git.schneefux.xyz/electronics/esp-ledstrip/src/master/esp-ledstrip.ino). ![Controller attached to FTDI](/images/esp-ledstrip/debug.jpg) + +A few weeks later, I spotted a mistake in my build. I used IRFZ44N transistors but I should have used IRF**L**Z44N transistors instead. The difference is that the Z version needs a higher voltage at the base, so the LEDs were never bright and drew just about two thirds of the power at maximum brightness. -- cgit v1.3.1