Electronics ESP32 で bmx055（IMU センサ）を動かす
bmx055（IMU センサ）を ESP32 で使用する際の備忘録をまとめておきます。秋月電子にて bmx055 のモジュールは買えます。arduino で bmx055 を使いたい場合や madgwick filter の使い方を知りた...
Electronics 
Electronics Order a PCB to PCBWay
In the previous article, I posted an ESP32 remote controller PCB design using KiCad. Here, I summarize the way to order...
Electronics Remote controller design with ESP32-WROVER-B
I summarized the design of a remote controller with ESP32. My goal is to create the one that controls an omni-wheel rob...
Electronics Generate 3.3V from 3.7V 1s LiPo battery for ESP32
More than I expected, generating 3.3V from 3.7V seems difficult and there is no standard way. There are a bunch of disc...
Electronics Utilize a symbol and footprint from SnapMagic on KiCad
By following the procedure described in this article, you can use a symbol and footprint from SnapMagic on KiCad.
Ge...
Electronics Write Arduino code to ESP32-WROVER-B pitch conversion board
I have summarized the functionality of each circuit component of ESP32-DevKitC V4 board in the previous article. This a...
Electronics Understand the ESP32-DevKitC V4 board schematic
Overview
ESP32-DevKitC V4 Getting Started Guide
ESP32-DevKitC V4 schematic
As a beginner of learning circuit b...
Control Reading encoder values of GA12-N20 motor and PI velocity control through STM32
Read encoder values
We use a GA12-N20 motor whose PPR (pulse per revolution) is $7$ (ref). The velocity of a motor i...
Electronics H-Bridge motor control with STM32
Using the h-bridge circuit, we rotate a motor in the clockwise and counter-clockwise direction. In the previous article...
Electronics Simple motor control with STM32 microcontroller
Outcome is this!
Experimental environment
The machine spec and motor information are described in the table...