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 LoRa32 433Mhz ESP32 TTGO Development Board

Product ID: 539307583

Details

Brand
LILYGO
CPU Model
MediaTek
Connectivity Technology
Wi-Fi
Memory Storage Capacity
4 MB
Model Name
RS1833

💾Local SD card data storage

📡433MHz LoRa long-range wireless

🔋Integrated TP4054 battery charging

€ 55.29

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Description

🚀 Elevate your IoT game with the ultimate LoRa32 powerhouse!

COMPACT YET POWERFUL - All packed into a sleek 2.54” x 1.06” board with 4MB memory and PSRAM, perfect for cutting-edge IoT and embedded applications.
SMART POWER MANAGEMENT - Built-in TP4054 charging circuit and revamped power switch design ensure uninterrupted performance and effortless battery management.
VERSATILE DATA HANDLING - Store data locally on SD card, stream to cloud via LoRaWAN or MQTT, or connect directly through SPI—flexibility that fits your project’s needs.
ENHANCED SIGNAL STRENGTH - SMA antenna connector boosts transmission quality, giving your device a competitive edge in signal clarity and range.
SEAMLESS LONG RANGE CONNECTIVITY - Harness the power of 433MHz LoRa for ultra-reliable, low-power wireless communication that keeps you connected beyond the ordinary.

The LILYGO LoRa32 433MHz ESP32 TTGO Development Board is a compact, feature-rich development platform combining ESP32 processing power with long-range LoRa wireless communication. It includes an SMA antenna connector for enhanced signal, integrated TP4054 battery charging, and versatile data transmission options including local SD storage, LoRaWAN, MQTT, and SPI. Ideal for professionals building next-gen IoT solutions requiring reliable connectivity and smart power management.

Specifications

ASIN	B0B45L398K
Best Sellers Rank	#227 in Single Board Computers (Computers & Accessories)
Brand	LILYGO
Built-In Media	Blu-ray
CPU Model	MediaTek MT8125
Compatible Devices	Computers, Smartphones, Microcontrollers
Connectivity Technology	Wi-Fi
Customer Reviews	4.5 4.5 out of 5 stars (178)
Global Trade Identification Number	16971336331063
Item Dimensions L x W x H	2.54"L x 1.06"W x 0.51"H
Manufacturer	LILYGO
Memory Storage Capacity	4 MB
Model Name	RS1833
Number of Items	1
Operating System	Linux
Processor Brand	LILYGO
Processor Count	1
RAM Memory Technology	PSRAM
Total Usb Ports	1
Wireless Compability	Bluetooth

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€ 55.29

Duties & taxes included

In stock

Sold byAmazon AustriaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Austria.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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