From df4d9e70cf7704798d662e4f9f370d1e24c62569 Mon Sep 17 00:00:00 2001
From: AK-Homberger <53138495+AK-Homberger@users.noreply.github.com>
Date: Tue, 8 Dec 2020 07:49:20 +0100
Subject: [PATCH] Update README.md

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 5faab2d..5a3dde9 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ Please be aware that this repository is only for educational purpose, to learn h
 
 - J1  Connector, AKL 101-03, 3-pin, 5,08 mm [Link](https://www.reichelt.com/index.html?ACTION=446&LA=0&nbc=1&q=akl%20101-03)
 - J2  RXB6 433 Mhz receiver [Link](https://www.makershop.de/en/module/funk/rxb6-433mhz-antenne/)
-- J4  Arduino ProMicro, 5 Volt [Link](https://eckstein-shop.de/HIMALAYA-basic-Pro-micro-5V-16MHz-Arduino-mini-Leonardo-compatible-board) 
+- J4  Arduino ProMicro, 5 Volt [Link](https://eckstein-shop.de/HIMALAYA-basic-Pro-micro-5V-16MHz-Arduino-mini-Leonardo-compatible-board)  oder [Link](https://www.amazon.de/Micro-ATmega32U4-Arduino-Leonardo-%C3%A4hnlich/dp/B01D0OI90U)
 - U1  7805  (alternative: 173950578 MagI3C DC-DC Power Module) [Link](https://www.reichelt.com/de/en/voltage-regulator-up-to-1-5-a-positive-to-220--a-7805-p23443.html?&trstct=pos_0&nbc=1) or [Link2](https://www.digikey.de/product-detail/en/w-rth-elektronik/173950578/732-8243-5-ND/5725367?cur=EUR&lang=en)
 - U2  7407N (alternative: 74LS07) [Link](https://www.reichelt.com/de/en/index.html?ACTION=446&LA=446&nbc=1&q=7407n) or [Link](https://csd-electronics.de/ICs/Logik/74LS/74LS07-DIP14::283.html?pk_campaign=google_shopping&pk_kwd=74LS07-DIP14&gclid=EAIaIQobChMIrLSWjb-O7AIVird3Ch0ClQEdEAQYBCABEgJCdPD_BwE)
 - D1  Zenerdiode 5.1 Volt (0.5 Watt) [Link](https://www.reichelt.com/de/en/zener-diode-0-5-w-5-1-v-zf-5-1-p23137.html?&trstct=pos_0&nbc=1)