What kind of battery can be connected directly to this board?

the intention is to use a one cell lipo battery

Will this board work with TTN V3?

Yes，this board can work with TTN V3.

Can a LDO regulator output go to the 3.3 volt pin?

According to the schematic, the unit uses a ME6211 LDO between the 5v and 3.3v, so I say yes, you can. Looks like you won't be able to charge the battery, though. FYI, there is a trick to use the SD card as well. You need to manually deselect the LoRa chip (18 HIGH) then manually select the card reader (13 LOW). Seems you can't use both at the same time. At least the one I got.

Can both the board sma and u.fl connector used for the antenna?

Both SMA and U.FlL antennas are suitable for this product, but they cannot be used at the same time. By default, this product uses SMA antenna. If you want to use U.L external antenna, you need to change the antenna resistance.

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LILYGO TTGO LoRa32 V2.1_1.6 Version 915Mhz ESP32 LoRa OLED 0.96 Inch SD Card BLE WiFi Wireless Module ESP-32 SMA

Product ID: 441692153

Details

Brand
LILYGO
CPU model
PowerPC G5
Connectivity technology
USB
Included components
SMA Antenna SD
Model name
TTGO Lora

💾0.96" OLED + SD card storage

📡915MHz LoRa SMA antenna

🔗BLE & WiFi wireless connectivity

Description

🚀 Elevate your IoT game with the TTGO LoRa32 — where connectivity meets innovation.

NEXT LEVEL SIGNAL BOOST - SMA antenna upgrade for ultra-reliable 915MHz LoRa transmission—stay connected where others drop off.
SEAMLESS MULTI PROTOCOL - Integrated BLE and WiFi ensure your device plays well with modern IoT ecosystems and cloud platforms.
REAL TIME CROWD INSIGHTS - Built-in Paxcounter functionality tracks nearby mobile devices—perfect for smart space analytics and next-gen projects.
VISUALIZE STORE ONBOARD - Crisp 0.96-inch OLED display paired with SD card slot lets you monitor data live and archive effortlessly.
POWER SMART SWITCH SMARTER - Enhanced power switch design with TP4054 charging module for efficient energy management on the go.

The LILYGO TTGO LoRa32 V2.1_1.6 is a versatile ESP32-based development board featuring a 915MHz LoRa SMA antenna for extended wireless range, a 0.96-inch OLED display, onboard SD card storage, and integrated BLE and WiFi connectivity. Designed for real-time data transmission and crowd counting via Paxcounter, it supports multiple communication protocols including LoRaWAN, MQTT, and SPI, making it ideal for advanced IoT, mesh networking, and smart environment projects.

Specifications

ASIN	B09SHRWVNB
Best Sellers Rank	#113,619 in Computers ( See Top 100 in Computers ) #220 in Network Transceivers
Brand	LILYGO
Built-In Media	SMA Antenna TP4054, OLED 0.96 Inch, SD Card, BLE, WiFi
CPU Model	PowerPC G5
Compatible Devices	Various Wi-Fi, Bluetooth, and SPI/SD card devices
Connectivity Technology	USB
Customer Reviews	4.3 4.3 out of 5 stars (75)
Global Trade Identification Number	16971336330677, 16971336330998
Manufacturer	LILYGO
Mfr Part Number	868mhz
Model Name	TTGO Lora
Model Number	LoRa32
Number of Items	1
Operating System	FreeRTOS
Processor Brand	MediaTek
Processor Count	1
RAM Memory Technology	LPDDR3
Total Usb Ports	2
Unit Count	1 Count
Wireless Compability	Bluetooth

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