Lisa's Column

How to make amplifier at home Easy

by Lily Zhang December 26, 2024

To make a simple amplifier at home easily, here are the basic steps: You'll need some components like transistors (such as BC547 or 2N3904), resis...

Posted in Components Sourcing, Diy Project

100+ Microcontroller Based Mini Projects Ideas

by Sales pcb hero March 29, 2024

Here is a list of 100+ microcontroller-based mini project ideas that you can explore and work on: Robotics Projects: Line follower robot Obstacle ...

Posted in #DIY project, #microcontroller, IOT

Ultrasonic Sensor Review: Comparing DFRobot URM09, HC-SR04, Devantech SRF02 & Maxbotix MB1040

by Sales pcb hero March 04, 2024

When comparing ultrasonic sensors such as the DFRobot URM09, HC-SR04, Devantech SRF02, and Maxbotix MB1040, it's crucial to consider several key fa...

Posted in #DIY project, sensor

Homemade Azure Remote Light

by Sales pcb hero September 30, 2022

1. Create an Azure IoT Hub and register the device See the documentation Get started with Azure IoT Hub for .NET to create an IoT hub. The proces...

Posted in #DIY project, module

Remote Health Monitoring With BLE Capability For COVID-19 Doctors

by Marketing PCB HERO March 02, 2022

Due to the lack of transport and the non-availability of doctors, a lot of people might not get the right treatment at the right time. This happens...

Posted in DIY product, Diy Project, module, Test

Raspberry Pi Bluetooth Speaker Audio Streaming System

by Marketing PCB HERO March 02, 2022

Making Raspberry Pi Bluetooth Speaker and Streaming audio from mic directly to speakers is difficult when we do not have a Bluetooth mic and a soun...

Posted in Diy Project, module, Raspberry Pi

electronic sound and light sculpture

by Marketing PCB HERO February 16, 2022

cwymriad is a ring modulation based sound sculpture which displays the output signal on an 8x16 LED matrix. DETAILS 'cwymriad' is based on a du...

Posted in crowdfunding project, DIY kit, DIY product, Diy Project, LED PCBs

A Small CNC bot

by Marketing PCB HERO February 12, 2022

Piccolo is an opensource project , by Diatom Studio, which allows you to create a small CNC (working area about 5x5cm). I tried to make a copy; th...

Posted in CNC, DIY product, Diy Project

Nixie Thermometer - Finished!

by Marketing PCB HERO February 12, 2022

Today I got the PCBS for the Nixie thermometer from PCBHERO: Here are the two sides of a PCB in detail: I started the assembly by soldering the c...

Posted in DIY product, Diy Project, PCB

ESP32 lights

by Marketing PCB HERO February 11, 2022

The project I am presenting to you today, ESP32lights , is a smart lighting control unit based on the esp32 chip. Through ESP32lights it is possi...

Posted in DIY kit, Diy Project, module