Welcome to piro's techonologies.

This site is for my small projects.

These are all my public projects.


Devices

Various

Bonfire

Modernization of the night light bought on Ali in the form of a bonfire from Dark Souls. Would You Like to Know More?

Orange Pi 800 active cooling

Active cooling for Orange Pi 800. Would You Like to Know More?

Fruit shield

26 pin shield for Fruit SBC with logical level matching. Would You Like to Know More?

Mini keyboard

Just an ordinary mini keyboard. Would You Like to Know More?

SB_Bi

A simple rectifier board for a transformer with two secondary windings with a
common point. Would You Like to Know More?

MasterVisa

Project for business card. Would You Like to Know More?

Thermostat

Board for connecting a powerful inductive load (with a thermocouple). Would You Like to Know More?

Mini thermostat

Mini board for turning on the fan when the thermocouple heats up. Would You Like to Know More?


Music

Music amplifier

A simple two-channel amplifier on a chip TDA7851L. Would You Like to Know More?

Music amplifier (remote control)

Amplifier on TDA7851L has two input sources, an additional subwoofer output and a control board (through Ethernet cable) for more convenient control. Would You Like to Know More?

Mini-amplifier + indicator

A simple two-channel amplifier for headphones on a chip TDA2822 with indicator on LM3915. Would You Like to Know More?

Music amplifier on TDA2050

A simple two-channel amplifier on a chip TDA2050 (ITUN scheme). Would You Like to Know More?

Music alarm

Music alarm project: play music (sound signals) when an alarm is triggered. Would You Like to Know More?


Meteostantions

ESP32 - camera + temperature

ESP32_cam AI Thinker bought on Ali, to which two sensors are connected DS18B20. Camera stream and temperature json server. Would You Like to Know More?


Development boards

Development board for Atmega48

Development board for Atmega48 developed by me and mostovsky. Version 0.3 available. Would You Like to Know More?

STM32 Debug Console

Debugging board for STM32F103Cx microcontrollers with a lot of external interfaces (RS-232, RS-485, USB-UART, RF, Bluetooth, SPI, I2C, UART). Would You Like to Know More?


Laboratory equipment

Generator [OnHold]

Pulse signal generator, published version is ready and working, further development is so far suspended. Would You Like to Know More?

Mega micro ammeter 48

Microammeter is designed to measure small direct currents in low-voltage circuits. Would You Like to Know More?


Web-projects

Motion CCTVbot

Setting up motion with a notification in a telegram (screenshot + recognized objects). Would You Like to Know More?

MotionPi

Setting up motion with email notification, saving the captured video on git in a password-protected archive and external access (via openvnp). Would You Like to Know More?

Temperature web server

Mini web server to display graphs of the resulting temperature values. Would You Like to Know More?

Lib bot

Bot to access the library. Would You Like to Know More?


Scripts

Text on image

Script to add filename to images. Would You Like to Know More?

Pdf preview

Script to create preview pdf (50 dpi). Would You Like to Know More?

Image preview

Script to create preview image (20% from original). Would You Like to Know More?


Misc

Commit types

Types of commits for github. Would You Like to Know More?