If both AT+CREG and AT+CGREG indicate the network registration status, why are two required? What is the difference? Read this post to find out.
Category: Firmware
UART, SPI, I2C: Overview and Comparison
Learn about the salient features of 3 of the most popular firmware communication protocols: UART, SPI and I2C. Also learn about the pros and cons of each.
6 things to check while selecting an LTE Module
Confused on which 4G module to use for your device? Then this post is the right guide for you, where we discuss 6 factors that’ll help narrow down your search.
SIM800C to SIM7600 – Network-related AT Command Changes
If you have a 2G (GSM) device based on SIM800C and are now working on creating a 4G (LTE) equivalent, then it is quite possible that you are considering SIM7600 (SIM7600E if you are in India, some other suffix if you are in a different location). Most IoT devices require the basic functionality of exchanging… Continue reading SIM800C to SIM7600 – Network-related AT Command Changes
Using SerialFlash with STM32 Blue Pill
The SerialFlash library by PaulStoffregen is very popular for interfacing with FlashChips provided by manufacturers like Winbond and Micron. This library works very well for boards like Teensy and Arduino. In this post, learn about the steps required to make this library compatible with STM32 Blue Pill.
Erase Sector of Flash using SerialFlash
The SerialFlash library has the eraseBlock and eraseAll functions, but none to erase a sector. In this tutorial, we’ll create the eraseSector function.