GitHub

ESP32 SD SPI mode: invalid commands sent to SD card: CMD13, CMD60 while writing blocks (IDFGH-12168)

I have created a project that is heavily based on the SD card recorder (SPI mode) example from ESP-IDF 4.4.x, only targeting the INMP441 MEMS microphone, and writing raw PCM data to the SD card ...
GitHub

CYD (2432S028) Support for wiring multiple peripherals - CC1101, NRF24, PN532, and maybe an SPI sd adapter to work simultaneously

Hi there, this is my first 'issue' so forgive me if i do something stupid So i would love to build a CYD that can do it all, like all the menu listed features. I will make separate issues to solve ...
CNX Software

Mayhem v2 expansion for Flipper Zero adds Wi-Fi, BLE, camera, microSD card slot, and NRF24 or CC1101 radio support

Erwin Ried‘s Mayhem v2 is an all-in-one ESP32 and NRF24L01-based expansion board designed for Flipper Zero. This board adds Bluetooth and Wi-Fi through an ESP32-S module, features 2MP camera with ...
Electronics Weekly

Single-level cell SD Cards and microSD Cards for industrial reliability

Swissbit has announced single-level cell NAND flash-based SD Cards and microSD Cards for increased reliability in industrial settings. “When it comes to reliability, data integrity and data retention, ...
EDN

Using the MSSP Module to Interface SPI Serial EEPROMs with PIC18 Devices

This application note explains the use of MSSP module to interface SPI™ serial EEPROMs with PIC18 devices. This document include the firmware description, initialization, write enable, read status ...