Meshtastic Firmware Flashing Mode for LILYGO, HELTEC & other ESP32 Devices by Technology Master
Meshtastic Firmware flashing creates problems for newbies as well as for experts at some point in time. I am explaining here the easiest...
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My Videos
Sep 26
Meshtastic RX LNA Gain Testing of Bidirectional RF Amplifier AB89 for 868 & 915 by Technology Master
Bidirection RF Amplifier are ideal solutions for low power (below 5 watts) applications like Meshtastic. They provide power amplification...
Sep 19
Meshtastic RF Power Testing of US-915MHz & EU-868MHz Bidirectional RF Amplifier by Technology Master
I will create four scenarios for testing transmitter power output of Meshtastic Bidirectional power amplifier and Meshtastic Heltec V3...
Sep 11
RF Amplifier LNA 5MHz to 6GHz with 20Db Gain, New Version of 5189z, Overview by Technology Master
I offered overview of RF Amplifier LNA 5MHz to 6GHz with 20Db Gain. I hope it will help my viewers decide if they should go ahead and buy...
Sep 9
Mini Loop Antenna 9 9KHz to 181MHz HF & VHF bands, Overview by Technology Master
Mini Loop Antenna is small size and can be used with SDR and other Radio receivers. It is used for Radio Direction Finding RDF and Noise...
May 28
L400 LMR400 50 Ohm Low Loss Coax for Meshtastic, Measuring Actual Cable Loss by Technology Master
How much signal I will lose in the coaxial cable between transceiver and antenna? Is the most important question. We will be measuring...
May 27
Meshtastic BMP280 Digital Barometric Pressure Altitude Sensor Overview by Technology Master
It enables MESHTASTIC to measure altitude and Barometric Pressure. It is BMP280 Digital Barometric Pressure Altitude Sensor. I am...
May 27
Meshtastic Max98357 I2S 3W Class D Audio Amplifier Overview by Technology Master
Just by attaching 4 ohm speaker with this module we can listen to the audio transmissions on Meshtastic LILYGO T3-S3 2.4GHz device. For...
May 27
Meshtastic Omnidirectional Microphone INMP441 Inter IC Sound I2S Overview by Technology Master
I2S is not I2C. Inter-IC Sound is for digital sound. Meshtastic Omnidirectional Microphone INMP441 Inter IC Sound I2S Overview by...
May 22
ADSB 1090MHz Bandpass Filter with +20db LNA for SDR Receiver Overview by Technology Master
It can be used as an active device as well as an passive antenna. For the details, please watch my video. ADSB 1090MHz Bandpass Filter...
May 11
Meshtastic Antenna Testing Without NanoVNA for 868 MHz by Technology Master
Meshtastic Antenna Testing with RF Attenuators Explained for Everyone by Technology Master. This procedure works well on any frequency...
May 8
RF Attenuator 2 Watts 20 Db Explained for Everyone by Technology Master
It is a two watts RF Attenuator providing 20 Db power drop. I Explained it for Everyone and not focused at engineers only. I am planning...
May 6
Advantages of Meshtastic 2.4 GHz International Worldwide Band by Technology Master
LILYGO T3-S3 SX1280. Advantages of Meshtastic 2 4 GHz International Worldwide Band by Technology Master. This band gives the best...
Apr 25
Meshtastic SNR Signal to Noise Ratio Explained for Everyone by Technology Master
Meshtastic SNR Signal to Noise Ratio Explained for Non-Engineers by Technology Master. The statement that Meshtastic Bidirectional RF...
Apr 24
Meshtastic 433 MHz Bidirectional RF Amplifier 2.3 Watts at 5v Overview by Technology Master
This RF amplifier works on TX as well as on RX. It has a PA for transmitter side and LNA for receive side. It provides a decent gain on...
Apr 23
Meshtastic US-915 MHz and EU-868 MHz 5v Bidirectional RF Amplifier AB-89 Overview by Technology Master
Bidirectional Amplifier uses two amplifiers. One for Transmitter(TX) and other for the receiver(RX) side. It has automatic switching...
Apr 22
Meshtastic 2.4GHz Worldwide Band 4 Watt Bidirectional RF Amplifier Overview by Technology Master
Bidirectional RF Amplifier is an amplifier that works in both directions. It has an power amplifier to increase transmit power and it has...
Apr 17
Meshtastic LILYGO T3-S3 SX1280+PA 2.4GHz International WorldWide Band, Unboxing by Technology Master
Meshtastic LILYGO T3-S3 SX1280+PA 2.4GHz International WorldWide Band, Unboxing by Technology Master. This model has a +12dB RF Power...
Apr 16
RF Attenuator Explained for Everyone by Technology Master
What is Radio Frequency Attenuator? RF Attenuator Explained for Non-Engineers. #meshtastic #ham #lora #diy #offgrid #sdr #technologymaste...
Apr 16
What is dB or Decibel, Power and Voltage Ratios Explained for Everyone | Technology Master
What is dB or Decibel, Power and Voltage Ratios for Non-Engineers. Technology Master. #meshtastic #lora #ham #offgrid #technologymaster...
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