Reading Output signal from external circuit using Rpi GPIO Pin Ask Question 0 I am trying to read a signal coming from an external circuit thru the use of raspberry pi’s gpio. […]
AD8232 ECG Problem
Raspberry Pi 3B+ interface with Heart Monitor AD8232 using MCP3008 and SPI pins Ask Question 1 I am making a project of Real-time ECG monitoring device using Raspberry Pi 3B+, Heart monitor AD8232 […]
Connecting 32 magnetic sensors
Connecting 32 magnetic sensors Ask Question 0 I would like to build an organ pedal board and use Raspberry Pi as signal processor. The pedal board will have 32 inputs, one for each key. […]
keypad program
MCP23x08/mcp23x17 References
MCP23x08/mcp23x17 References AN1081 Title: Interfacing a 4×4 Matrix Keypad with an 8-Bit GPIO Expander -04/12/2007 Mike Curran https://www.microchip.com/wwwAppNotes/AppNotes.aspx?appnote=en529784 Description: This application note discusses interfacing a 4×4 matrix keypad with MCP23X08 8-Bit GPIO […]
keypad notes
AliExpress 4×4 Matrix 16 Keys 8pin output Button Keypad – US $0.58 https://fr.aliexpress.com/item/Smart-Electronics-8pin-4×4-4-4-Matrix-16-Keys-Button-Keypad-Keyboard-Breadboard-Module-Mcu-for/32488741954.html?spm=a2g0w.10010108.1000016.1.7ccf476frh2dOF&isOrigTitle=true
rpi backup files
rpi backup
stretch 2019apr08 install record
PIR Project Notes
Take 5 images a second, triggered by motion sensor, switching between 2 cameras depending on time Ask Question 0 I’m working on a project similar to a security camera with a Raspberry […]
Motor driver
Python code to use Adafruit motor shield v1 with Pi 3 Ask Question 0 It is dangerous to run motors directly from the Pi, hence we need a motor shield. I own […]
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