Author: Sankar Cheppali

Bluepill comes with STM32F103C8T6 controller. This controller can be programmed with arduino ide using USB-Serial board. Connections Boot0 – 3v3 PB2 (Boot1) – Gnd A9 (Tx) – Rx

It’s a common requirement to upsert (update if present, insert if not) a row in applications that have a database. This is not a big deal in NoSQL

When Bluetooth stack is enabled in ESP-IDF, the default behavior is to connect to previously connected Bluetooth device. We can reset (erase) all the bonded devices data to

In general we only encounter Strong references in Java program. But there are few other types of references as well. In this post we will see different types

Maixduino is RISC-V based AI development board in Arduino UNO formfactor from sipeed. Main module in Maixduino is Sipeed M1, which is based on K210 RISC-V SoC. K210

Chrome introduced support for Web Serial API which in Origin trials state(Available on all desktop platforms). This opens up lot possibilities to control physical devices which provide a

We have already seen how to control a servo using esp32 here. In this post we will see how to control the servo using Wio terminal and the

This weekend I dusted out my old blue pill board to try HID keyboard example. The controller present in blue pill board ( STM32F103C8T6 ) can act as

If you have worked with dynamo db, you might be aware that dynamo db offers to features for grouping operations on DB, transactions and batching. In this post

Recently I came across a goto talk by Joe Armstrong where he talks about the complexities in learning modern computer science. He suggested few things a software engineers