ESP32-S3 I2S Codec2 Digital Walkie Talkie - ESP32-S3 INMP441 PCM5102 SX1280 (2.4GHz High Speed LoRa)
【芸庭樹工作室】本影片在 Demo 我做了將近 4 個月後 (有3個月在 debug Meshtastic Audio 還有問題，有1個月做本片)，終於成功做好 ESP32-S3 數位式對講機。
codec2 mode: CODEC2_MODE_1600
Hardware：
TTGO T7-S3 (ESP32-S3-N16R8) & ESP32-WROOM-1-N8R8
INMP441 Digital Mic
PCM5102 ＋ amplifier + 3W speaker
SX1280 2.4G LoRa module
00:00 hardware introduction
04:00 why to use PCM5102+amplifier to replace MAX98357A
08:30 Play LoRa RX voice (Chinese) after codec2 decode
09:47 Play original Voice before Codec2 encoder 1.3 minute
11:09 Play LoRa RX voice (English) after codec2 decode. Original sound from CNN shorts • What we know about person detained in...
Reference data:
https://github.com/deulis/ESP32_Codec...
https://docs.espressif.com/projects/e...
https://www.semtech.com/products/wire...
https://meshtastic.org/docs/configura...
https://meshtastic.discourse.group/t/...
相關商品：
PCM5102 I2S decoder
https://shopee.tw/-%E8%8A%B8%E5%BA%AD...
Audio Amp. PAM8403
https://shopee.tw/product/54445610/58...
Speaker:
https://shopee.tw/product/54445610/54...
INMP441 & MAX98357A
https://shopee.tw/-%E8%8A%B8%E5%BA%AD...
ESP32 開發板
https://shopee.tw/product/54445610/92...
ESP32-S3 開發板
https://shopee.tw/product/54445610/15...
防水盒
https://shopee.tw/product/54445610/28...
ESP32 ＋ ESP32 底板 + 防水盒
https://shopee.tw/product/54445610/26...
E28-2G4M12S / E28-2G4M20S 2.4G LoRa module
https://shopee.tw/-%E8%8A%B8%E5%BA%AD...
