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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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LILYGO LoRa32 433Mhz ESP32 TTGO Development Board

Product ID: 548887492

Details

Brand
LILYGO
CPU model
MediaTek
Connectivity technology
GPIO Wi-Fi
Memory storage capacity
4 MB
Model name
TTGO Lora OLED

📡433MHz LoRa long-range wireless

🔋Integrated TP4054 battery charging

🖥️0.96-inch crisp OLED display

KD 19.62

Duties & taxes included

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Description

🚀 Elevate your IoT game with the ultimate LoRa powerhouse!

SMART POWER MANAGEMENT - Built-in TP4054 charger and upgraded power switch for hassle-free, on-the-go use.
ROBUST DEVELOPER ECOSYSTEM - Powered by CH9102 processor and PSRAM, compatible with Linux for smooth coding.
VERSATILE WIRELESS OPTIONS - Supports Wi-Fi, Bluetooth, and GPIO for flexible IoT and embedded projects.
COMPACT YET POWERFUL DISPLAY - 0.96-inch OLED screen delivers real-time data with crystal-clear visuals.
SEAMLESS LONG RANGE CONNECTIVITY - 433MHz LoRa with SMA antenna boosts your signal reach and reliability.

The LILYGO LoRa32 433MHz ESP32 TTGO Development Board is a compact, feature-rich device designed for advanced IoT applications. It integrates a powerful CH9102 processor, a 0.96-inch OLED display, and a high-performance SMA antenna for enhanced long-range LoRa communication. With built-in TP4054 battery charging and upgraded power switching, it ensures efficient and reliable operation. Compatible with Wi-Fi, Bluetooth, and Linux OS, this board is perfect for developers seeking versatile connectivity and robust performance.

Specifications

ASIN	B0B45L398K
Best Sellers Rank	#33,713 in Computers ( See Top 100 in Computers ) #450 in Single-Board Computers
Brand	LILYGO
Built-In Media	Blu-ray
CPU Model	MediaTek MT8125
Compatible Devices	Compatible Devices
Connectivity Technology	GPIO, Wi-Fi
Customer Reviews	4.6 4.6 out of 5 stars (180)
Global Trade Identification Number	16971336331063
Item Dimensions L x W x H	6.5L x 2.7W x 1.3H centimeters
Item Highlight	0.96 Inch OLED
Manufacturer	LILYGO
Memory Storage Capacity	4 MB
Model Name	TTGO Lora OLED
Number of Items	1
Operating System	Linux
Processor Brand	CH9102
Processor Count	1
RAM Memory Technology	PSRAM
Total Usb Ports	1
Wireless Compability	Bluetooth

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