remma_tech_12

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...
Robot

Wheel and motor selection for omni-wheel robot

The articles in the past explain the following. Introduction of the dynamics of an omni-wheel robotLQR controller im...
Electronics

esp32 (arduinoベース) でモータのエンコーダ値を読み、rpm に変換する

Motor in use 今回は、以下のモータを使用します。RobotShop というオンラインショップにお世話になりました。 Board connection 4.8V の電源をモータの電源ケーブルに印加し...
Control

c++ でカルマンフィルタを実装する with バネ・マス・ダンパ系

カルマンフィルタの以下の本に例題として matlab によるカルマンフィルタの実装がなされていました。自分の理解を深めるためにも、c++ で実装してみようと思い、本記事を書いています。 カルマンフィルタの基本的な数式 ...