From 300971e55778431d966533c0bb6dbe190e03197a Mon Sep 17 00:00:00 2001 From: r4 Date: Mon, 11 Apr 2022 19:22:53 +0200 Subject: [PATCH] improve documentation --- spybug/spybug.ino | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/spybug/spybug.ino b/spybug/spybug.ino index d0ee56d..780ed55 100644 --- a/spybug/spybug.ino +++ b/spybug/spybug.ino @@ -1,14 +1,28 @@ -/* Wiring: +/* + *** SD Card Wiring *** SD | Nano ______________________ D0 (DO) | D12 (MISO) VSS | GND CLK | D13 (SCK) - VDD | 3V3 + VDD | 5V or 3V3 CMD (DI) | D11 (MOSI) D3 (CS) | D10 (SS) + + WARNING: SD cards are not designed for 5V; I have been using 5V anyways + and everything seems fine, but beware that there is a significant risk + of immediate or premature failure when not using a buffer circuit. - SD pin D3 is the chip select pin (must be set manually in PIN_SS). + SD pin D3 is the chip select pin. It can be set manually in PIN_SS. + + *** Microphone Wiring (MAX9814 w/ electret microphone) *** + Mic | Nano + ______________________ + VCC | 5V + GND | GND + Out | A0 + + Out defaults to A0 (AdcChannel0), but can be set manually in ADC_CHANNEL. */ #include