Invent. Engineer. Learn

Vishnu Mohanan

Founder and CEO at CIRCUITSTATE Electronics

Joined: 27 December 2020
Articles: 63
Comments: 19

Reviews

Frogbro DP-SS02 Desoldering Pump – Review & Teardown

Reviewing the DP-SS02 from Frogbro, which is a cheaper clone of the much admired SS02 desoldering pump from Engineer.

Vishnu Mohanan
23 January 2023

Tutorials

Making Two Raspberry Pi Pico Boards Communicate through SPI using C/C++ SDK

Featured image of the tutorial Make two Raspberry Pi Pico boards communicate through SPI using C/C++ SDK

Tutorial on how to make two Raspberry Pi Pico boards communicate with each other through the SPI interface using Central/Peripheral modes and Pico C/C++ SDK.

Vishnu Mohanan
20 January 2023

Pinouts

ATmega328P DIP-28 – Pinout Diagram & Arduino Pin Reference

Featured image for ATmega328P DIP-28 pin diagram and Arduino pin reference from CIRCUITSTATE Electronics

Complete pinout diagram for the Atmel/Microchip ATmega328P DIP-28 AVR microcontroller along with Arduino pin references.

Vishnu Mohanan
11 January 2023

Tutorials

What is CAN Bus & How to use CAN Interface with ESP32 and Arduino

Featured image of CAN bus tutorial for ESP32 microcontroller board using Arduino

Learn the basics of CAN bus interface and learn how to make two ESP32 boards communicate through CAN bus using Arduino and with the help of TJA1051 CAN transceivers (CJMCU-1051).

Vishnu Mohanan
7 January 2023

Tutorials

Interfacing RA-01/RA-02 SX1278 LoRa Modules with ESP32 using Arduino

Learn how to interface RA-01 or RA-02 SX1278-based LoRa modules from Ai-Thinker with ESP32 using Arduino. LoRa can add long range and low-power wireless communication capability to your projects.