If the oled screen uses sda and scl pins, how can i also use a sensor (ir temp) that also uses sda pins?

Theoretically, you can connect up to 127 I2C devices to the same pins not just two. This is because each I2C device has its own different address that uses to send/receive data.

What needs to be soldered? Anyone get it going on tinygs??

This may be a stretch for TinyGS. It DOES NOT work out of the box. This is a V3 which is not compatible with TinyGS at this (04.2023) time.

What needs to be soldered?

Only the the header pins and you don't even need to solder those in if you are not mounting it on a PCB or breadboard. FWIW, I just took mine out of the box and plugged it into an antenna and the computer. I have never had to solder anything.

Device does not power on via usbc. requires a battery connected to turn on. tried about 6 different usbc cables and outlets. this a feature?

It should work without a battery. If yours doesn't run off a USB cable the battery will never get get charged. Sounds like a return is required.

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🔧 Build, Connect, Innovate!

📈 HIGH PERFORMANCE - Equipped with SX1278 chip for superior LoRa communication.
🔧 CUSTOMIZABLE DESIGN - Unassembled for a hands-on experience—solder your way!
🌐 SEAMLESS CONNECTIVITY - Supports Wi-Fi Direct, Sniffer, Station, and softAP modes.
🚀 UNLEASH YOUR CREATIVITY - Perfect for DIY enthusiasts and tech innovators!
📚 COMPREHENSIVE DOCUMENTATION - Access detailed guides and pinout diagrams online.

The HiLetgo ESP32 LoRa SX1278 Development Board is a versatile tool for tech enthusiasts, featuring a dual-core 240MHz processor, high sensitivity of -139 dBm, and a powerful 20 dBm output. Ideal for Arduino projects, it supports multiple Wi-Fi modes and comes unassembled for a customizable experience.

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RAM	Flash
Wireless Type	Bluetooth
Brand	HiLetgo
Series	V3
Item model number	8541612537
Operating System	Linux
Item Weight	1.12 ounces
Package Dimensions	2.72 x 2.68 x 0.75 inches
Color	433/470MHz
Number of Processors	2
Manufacturer	HiLetgo
ASIN	B07FYWFH4C
Is Discontinued By Manufacturer	No
Date First Available	July 27, 2018

HiLetgoESP32 LoRa SX1278 0.96 inch OLED Display Development Board WIFI Bluetooth Dual Core 240MHz CP2102 and 433/470MHz Antenna for Arduino Smart WIFI LoRa 32

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