From 23f4b220ab486fca1b4e12fc4d6561f08008c692 Mon Sep 17 00:00:00 2001 From: Emard Date: Fri, 22 Jun 2018 08:33:41 +0200 Subject: [PATCH] v1.7 upgrading instructions, fix few unimportant typos --- doc/pcb-v1.7-upgrade.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/doc/pcb-v1.7-upgrade.md b/doc/pcb-v1.7-upgrade.md index 2e3f57c..dd850ee 100644 --- a/doc/pcb-v1.7-upgrade.md +++ b/doc/pcb-v1.7-upgrade.md @@ -24,7 +24,7 @@ R25 and R26 are on the back side top, under the GPDI connector. Optionally, as alternative software shutdown, -connected J2 "25-" pin to R13-D15 junction. +connect J2 "25-" pin to R13-D15 junction. Don't connect ESP32 pins leading to SD card, @@ -43,7 +43,7 @@ Shutdown: PCB v1.7 assembled comes with D11=1N4148 and R4=15k, those will keep waking up the board after shutdown signal because FT231x internal -regulator will provide enough voltage (cca 2.5V will appear at 3.3V line) +regulator will provide some voltage (cca 2.5V will appear at 3.3V line) and that is enough to wake up the board because voltage on ENABLE pin at switching regulators will be above its turn on threshold of 1.5V.