How to Use GPS with ESP32 in a Practical Fare Meter Project with Neo-6M (No Internet!)

IC voltage regulator

LoRa Repeater with ESP32 and RYLR998: Multiply Your Network Range

Restoring DMR monitoring on SDR

How to Build a Private Chat Network with LoRa RYLR998 and ESP32 (No Internet)

How to Make the Radtel RT860 Communicate with the Baofeng 777s and Vice Versa

FM transmitter with FM module and Arduino

Meshtastic Antenna: Why the original fails and how to fix it

Retevis RT86: The Most Powerful 10W Professional Walkie-Talkie on the Market! (Real-World Test)

The Radio That Can Take a Beating: Complete Hands-On Test of the Retevis RT86

4-Channel Remote Control for Electronic Lock Using ESP32-C3

10-LED VU Meter with Arduino Nano: The Secret to Eliminating Noise and Assembly Errors

How to create a 100% secure Bluetooth controller!

How to Control Any Device from 10km Away WITHOUT INTERNET (LoRa + ESP32)

What nobody tells you about the real range of LoRa!

What is the range of a LoRa RyLr998 link with telemetry testing?

STOP wiring sensors like this! The mistake that fries your automation.

VibeSDR: How to Use It, Its Features, and How to Use It Without an SDR Dongle

STOP using common radio apps before watching this!

STOP using a FET in your Joule Thief before watching this!

STOP trusting AI for Electronics (or burn it all down!)

STOP connecting your radio like that! (The error that causes components to explode)

STOP using CB TALK like this or you will be TRACKED!

The secret to turning your phone into a professional CB radio!

The Fatal Mistake That Makes Your RF Project "Fry" (And Not Transmit!)

STOP guessing your coupling capacitors before watching this!

The secret of radio frequency: Why does its coil prevent the radio from working?

Regenerative Receiver: What Science Doesn't Tell You About Pure Audio Reception

The end of static: FM receiver with 2N2222

The Secret of CD4047 That the Internet Won't Tell You!

CD4047 Oscillates but Doesn't Switch? The IC Signal is Counterfeit.

Control 10 Light Bulbs with Your TV Remote! (Simple and Cheap)

How to Use Your TV Remote to Control Your Home (Arduino)

Converting IR to RF with Arduino: The Error That Kills the Signal

Stop Using Photodiode: Use 38 kHz

How to Decode an IR Remote Control with Arduino Nano

How to measure TDS and Conductivity with Arduino Nano (Real Guide)

Infrared Sensor: The secret to a clean, noise-free signal.

The SECRET of the MOC 3041: Stop your Arduino from crashing now!

Pare de Usar o 555! Domine o VCO do 4046 para Ultrassom

Don't connect signals to your PC without this: The mistake that will burn your motherboard.

Não queime seu PC! Proteja a placa de som com este circuito

Stop using a regular buzzer! Learn how to make this tone-modulated siren.

VCO 9.7 MHz: The Secret to the SYN470R Receiving up to 620 MHz!

The Secret of the SYN470R Revealed: Beyond 433MHz with VCO

PARE DE ESPERAR A ANATEL: A VERDADE SOBRE O SILÊNCIO FORÇADO

STOP using bad receivers! Build this one with SYN470R

How does the SYN470R work?

Stop Losing Signals: The Ultimate Guide to Programmable Receivers

Stop Using Common FM Transmitters: Use this VCO

Stop Confusing AM and FM: A Practical Test with VCO

Why is your SDR failing to decode DMR voice? Essential adjustment!

PARE AGORA: Não Troque Seu VCO Limitado, Apenas Expanda a Banda

The Ultimate Guide: How to Block RF Noise Tracking

DIODO SCHOTTKY: Como TESTAR e Por Que Sua QUEDA É BAIXA

Chega de Oscilador Instável: Monte Seu VCO 7 MHz Preciso

Polarização do Transistor: Como Ligar Certo (NPN)

DATASHEET: Como Dimensionar Componentes para Projetos Duráveis

Chebyshev's Low-Pass Filter: 5th Order Theoretical Analysis

Comprimento de Onda e Antena: O Guia de Ganho RX Definitivo