![Amazon.com: TTGO Meshtastic T-Beam V1.1 CH9102F CHIP ESP32 915Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder with OLED (915Mhz OLED) : Electronics Amazon.com: TTGO Meshtastic T-Beam V1.1 CH9102F CHIP ESP32 915Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder with OLED (915Mhz OLED) : Electronics](https://m.media-amazon.com/images/I/51FaGfqST9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: TTGO Meshtastic T-Beam V1.1 CH9102F CHIP ESP32 915Mhz WiFi Bluetooth ESP32 GPS NEO-6M SMA 18650 Battery Holder with OLED (915Mhz OLED) : Electronics
![ESP32 ESP32S 16340 18650 Lithium Battery Shield V3 V8 V9 5V/3A 3V/1A 3.3V 5V Power Bank Battery Charging Module Micro USB Type-A ESP32 ESP32S 16340 18650 Lithium Battery Shield V3 V8 V9 5V/3A 3V/1A 3.3V 5V Power Bank Battery Charging Module Micro USB Type-A](https://ae01.alicdn.com/kf/H14d6240d23ae480ea73385f9ca66ef3be/ESP32-ESP32S-16340-18650-Lithium-Battery-Shield-V3-V8-V9-5V-3A-3V-1A-3-3V.jpg)
ESP32 ESP32S 16340 18650 Lithium Battery Shield V3 V8 V9 5V/3A 3V/1A 3.3V 5V Power Bank Battery Charging Module Micro USB Type-A
![Can anyone tell me why this project uses 3 AA batteries at its power supply, it has a ESP32 and 5V relay : r/ArduinoProjects Can anyone tell me why this project uses 3 AA batteries at its power supply, it has a ESP32 and 5V relay : r/ArduinoProjects](https://preview.redd.it/can-anyone-tell-me-why-this-project-uses-3-aa-batteries-at-v0-9xniub53lcp81.jpg?auto=webp&s=1268c5c6b44fe680019ed643af47d896f822d832)
Can anyone tell me why this project uses 3 AA batteries at its power supply, it has a ESP32 and 5V relay : r/ArduinoProjects
![Esp32 Esp32s 16340 18650 Lithium Battery Shield V3 V8 V9 5v/3a 3v/1a 3.3v 5v Power Bank Battery Charging Module Micro Usb Type-a - Integrated Circuits - AliExpress Esp32 Esp32s 16340 18650 Lithium Battery Shield V3 V8 V9 5v/3a 3v/1a 3.3v 5v Power Bank Battery Charging Module Micro Usb Type-a - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/H19f915342ccf41a585eaf1ba3eb1445cN/ESP32-ESP32S-16340-18650-Lithium-Battery-Shield-V3-V8-V9-5V-3A-3V-1A-3-3V.jpg)
Esp32 Esp32s 16340 18650 Lithium Battery Shield V3 V8 V9 5v/3a 3v/1a 3.3v 5v Power Bank Battery Charging Module Micro Usb Type-a - Integrated Circuits - AliExpress
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