From ea02eb506efec6ce955d24902b490ec2b83d4f32 Mon Sep 17 00:00:00 2001 From: Martin Mares Date: Fri, 14 Jul 2023 19:32:04 +0200 Subject: [PATCH] test-sinclair: Note on optocoupling and negation --- test-sinclair/README | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/test-sinclair/README b/test-sinclair/README index 80095ed..cc38070 100644 --- a/test-sinclair/README +++ b/test-sinclair/README @@ -24,9 +24,9 @@ BluePill LED | PC13 GND | | PB0 PA11 | | PB1 PA10 | RXD1 - debugging console | PB10 PA9 | TXD1 - debugging console - | PB11 PA8 | IR remote control - | RESET PB15 | MOSI2 - LED driver data input + | PB11 PA8 | IR remote control output (via optocoupler, negated) + | RESET PB15 | MOSI2 - LED driver data input (via optocoupler, negated) | 3.3 V PB14 | MISO2 - unused - | GND PB13 | SCK2 - LED driver clock + | GND PB13 | SCK2 - LED driver clock (via optocoupler, negated) | GND PB12 | SS2 - unused +--------------------+ -- 2.39.2