What AC power adapter will plug right into this?

The recommended external power source for this board is a Li-Po Single Cell, 3.7V, 700mAh Minimum

What are the 3 connectors on the board? What wire do I need in order to program this thing?

The MKR 1010 is programmed using the mini usb port. The jst connector is for li-po battery external power & the 5 pin connector is for I2C access. Hope this helps.

What is the proper connector to power this thing with a battery?

The connector on the side you would plug a battery into is a JST-PH style connector.

Without eeprom, how to store the program (sketch)? after a power off and restart, data on ram is lost.

The sketch will persist between reboots, but any volatile data in the RAM will be lost unless you include the EEPROM emulator package. The emulator will write to the EEPROM in which the program is stored at the cost of device life. The process significantly reduces the number of times you can write a new program to the Arduino.

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🚀 Elevate your IoT game with the MKR WiFi 1010 – where power meets seamless connectivity!

MEMORY TO SCALE - 250KB flash and 32KB SRAM to handle complex wireless and cloud projects
PLUG PLAY CODING - Fully compatible with Arduino IDE for rapid prototyping and deployment
POWERHOUSE PROCESSING - 48 MHz 32-bit ARM Cortex-M0+ for lightning-fast embedded performance
SEAMLESS CONNECTIVITY - Integrated WiFi 802.11 b/g/n & Bluetooth Low Energy for instant IoT integration
VERSATILE I O ARSENAL - 14 digital pins & 6 analog inputs with PWM and multi-protocol support for ultimate expansion

The Arduino MKR WiFi 1010 is a compact, powerful development board featuring a 48 MHz 32-bit ARM Cortex-M0+ processor, integrated WiFi and Bluetooth Low Energy connectivity, and ample memory (250KB flash, 32KB SRAM). Designed for IoT and embedded projects, it offers 14 digital I/O pins, 6 analog inputs, and broad protocol support, all fully compatible with the Arduino IDE for fast, flexible development.

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Processor	48 MHz
RAM	SRAM
Memory Speed	48 MHz
Wireless Type	802.11b
Brand	Arduino
Series	Arduino MKR WIFI 1010
Item model number	ABX00023
Item Weight	0.635 ounces
Product Dimensions	2.76 x 1.97 x 0.79 inches
Item Dimensions LxWxH	2.76 x 1.97 x 0.79 inches
Number of Processors	1
Manufacturer	ARDUINO
ASIN	B07FYFF5YZ
Is Discontinued By Manufacturer	No
Date First Available	August 1, 2018

ArduinoMKR WiFi 1010 [ABX00023] – 32-bit ARM Cortex-M0+, WiFi & Bluetooth Connectivity, 250KB Flash, 32KB SRAM, Secure Element, 14 Digital I/O Pins, 6 Analog Inputs, Compatible with Arduino IDE

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