Si4735 all band radio receiver controlled by ESP32 with ILI9431 touch display (Part 2)

Si4735 all band radio receiver controlled by ESP32 with ILI9431 touch display (Part 1)

ATS-20+ (PLUS): Battery level indicator of sketch V3.0.7g by VE3XLT, CA2PEY and PU2CLR

ATS-20+ (PLUS): Voltage divider circuit for battery level indicator of sketch V3.0.7g

ATS-20+ (PLUS): FM and SW reception sensitivity comparison of with ATS-20

ATS-20+ (PLUS): Firmware update from V2.0.4 to V3.0.7g

SI4732 breadboard receiver: Installation of antenna connector for easy portability

Low pass filter for medium wave broadcasting reception with ATS-20 receiver

SI4732 breadboard receiver: On-board speakers and amplifier to enjoy the stereo sound

SI4732 breadboard receiver: On-board installation of extra audio mute circuit

SI4732 breadboard receiver: Smaller control unit and simpler wiring

ATS-20: Implementation of extra audio mute circuit to prevent loud popping of the speaker

Airspy HF+ Discovery: High performance of IF and Audio noise reduction plugins of SDR Sharp

Radio Prawda dlja Rossii received in Saitama, Japan (2022/4/24, 15:50 UTC, 13600kHz)

Wolf Game by CT2JWF with game sound on ATS-20 receiver

MEMORY BANK feature on the ATS-25 like receiver with sketch by Bernard Binns

ATS-20: Voltage divider circuit for battery level indicator of sketch V3.0.7g (ATS-20_bat_mod v2)

ATS-20 receiver: Comparison between my home-built breadboard version and a commercial product

Correction of frequency discrepancy when receiving SSB communication with ATS-20 receiver

ATS-20 receiver updated with sketch V3.0.7g (ATS-20_bat_mod v2) by VE3XLT, CA2PEY and PU2CLR

ATS-20 receiver updated with sketch V4.1.3b by CT2JWF - Part 2: FM station preset

Echo Sthlm received in Saitama, Japan (2022/4/5, 20: 34 UTC, 9670kHz) via Radio Channel 292

ATS-20 receiver updated with sketch V4.1.3b by CT2JWF - Part 1: Impressions after first use

"Airspy HF+ Discovery" with "SDR++" on my android smartphone

Radio Rebelde from Cuba received in Japan (2022/4/1, 11:28 UTC)

Wolf Game by CT2JWF on ATS-20 receiver

Rádio Nacional da Amazônia (6180 kHz, 2022/3/25, 08:58 UTC) from Brazil received in Saitama, Japan

Rádio Voz Missionária (9666.76kHz, 2022/3/14, 09:50 UTC) from Brazil received in Saitama, Japan

Rádio Nacional da Amazônia (11780 kHz, 2022/3/14, 10:02 UTC) from Brazil received in Saitama, Japan

Si4735-TTGO -T display-EP32 radio receiver - Battery indicator by Ralph Xavier

Battery indicator and retro tuning feature on the ATS-25 like receiver with sketch by Bernard Binns

Band-scanning feature on the Si4735-Tohch TFT-ESP32 receiver with sketch by Bernard Binns

Radio 4KZ (5055kHz, 2022/3/4, 09:29 UTC) from Innisfail, Australia received in Saitama, Japan

Solomon Islands BC (5020kHz, 2022/3/4, 09:01 UTC) received in Saitama, Japan

Radio Vanuatu (5040kHz, 2022/3/2, 08:59 UTC) received in Saitama, Japan

Galvanic Isolation transformer (galvanic isolator) for antenna using BN-73-202 double-hole core - 2

Galvanic Isolation transformer (galvanic isolator) for antenna using BN-73-202 double-hole core - 1

Low noise antenna amplifier with DC-DC voltage converter Version 2 for ATS-20 receiver

Si4735 TTGO T-Dispray ESP32 radio receiver - Updated

Antenna tuner for Medium Wave broadcasting reception

Antenna tuner MFJ-956 and China DIY Kit: Comparison of the inside

Low noise antenna amplifier with DC-DC voltage converter for ATS-20 receiver

ATS-20 receiver, MFJ-956 antenna tuner and DMAX50 amplifier/attenuator

ATS-20 receiver, MFJ-956 antenna tuner and low noise amplifier with DC-DC voltage converter

Si4735 FM stereo/AM/SW radio receiver with ILI9431 touch display controlled by ESP32

Update of ATS-25 like receiver which has Si4735 and ILI9431 touch display

Si4735 FM stereo/AM/SW radio receiver with ILI9431 touch display controlled by ESP32

Firmware update from v3.1 to 3.3 of Si4735 receiver with ILI9431 touch display controlled by ESP32

ATS-20 Si4732 FM/AM/SW radio receiver, firmware update

Si4735 FM/AM/SW radio receiver with ILI9431 touch display controlled by ESP32

Si4735 FM/AM/SW radio with 2.0 inch ILI9225 TFT display controlled by Arduino Pro Mini

Si4735 TTGO T-Dispray ESP32 radio receiver - SSB mode and seek up/down function test

Si4735 FM/AM/SW radio receiver controlled by TTGO T-Display ESP32

Si4732 FM/AM/SW radio receiver - Modification of the band table

Si4732 FM/AM/SW with SSB mode radio controlled by Arduino Nano

Si4735 FM/AM/SW with SSB mode radio receiver controlled by Arduino Pro Mini

Mobile laptop SDR radio with Airspy HF+ Discovery

AKC6955 FM/AM/SW DSP radio

Shortwafve and FM broadcasting reception test of DSP radio with Si4825-A10 on breadboard

Radio reception frequency counter