From acc6df0800e870a3f8e0527baa1b8a15fda2f5c4 Mon Sep 17 00:00:00 2001 From: midelic Date: Mon, 1 Aug 2016 16:14:26 +0300 Subject: [PATCH] Flashing info --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index febcd4a..607498c 100644 --- a/README.md +++ b/README.md @@ -304,12 +304,12 @@ or other USB serial-TTL dongle. ###Important: +Don't flash new firmware with the TX switched on !!!!! + If using 3.3V USB-TTL device it is required to use a jumper on "3.3V jumper" on top of the board.After flashing it is imperative to be removed. Before uploading new firmware use a jumper on BOOT0.After flashing new firmware remove also the BOOT0 jumper,or move it to oposite pin. -Don't flash new firmware with the TX switched on. - ###Warning!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! After flashing new firmware it is mandatory to remove the 3.3V jumper if installed.If not when starting the module and micro you may fry them as 5V is supplied directly on the RF module and micro.