here!
I’m your shopping assistant for PC builds, upgrades, and everything tech.
Got questions? Ask away!
Start a conversation
"hat"
- In Stock
- New
Can’t find the filter you need? Let AI help.
I'm Celeste, Newegg's tech expert! Need help with "hat"?
2-Channel Isolated RS232 Expansion HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/Zero W, SC16IS752+SP3232 Dual Chip Convert SPI to RS232 Data Rate up to 921600bps Embed Multi Protection Circuits
Limited time offer, ends 11/14
$50.43
Free Shipping
Uninterruptible Power Supply HAT for Raspberry Pi Zero Series, 5V Stable Output, Solar Charging (5V24V), Ba-ttery Monitoring via I2C,Low-Power UPS Expansion Module
Limited time offer, ends 11/14
$77.59
Free Shipping
4-CH Current/Voltage/Power Monitor HAT for Raspberry Pi 4B/3B+/3B/2B/B+/A+/Zero/W, I2C/SMBus Interface Onboard 0.1 1 Sampling Resistor Measure Bi-Directional Current up to 3.2A Embed 12-bit ADC
Limited time offer, ends 11/14
$65.95
Free Shipping
USB HUB HAT (B) for Series Extended 4X USB 2.0 Ports
Limited time offer, ends 11/14
$28.38
Free Shipping
2-CH CAN FD HAT 2-Channel Isolated CAN FD Expansion HAT for Raspberry Pi 5/ 4B/3B+/3B/Pi Zero W/WH/Pi Zero 2W WH/and Jetson Nano, Support CAN FD, MCP2518FD CAN Controller + CAN Transceiver Chip
Limited time offer, ends 11/14
$157.13
Free Shipping
UPS HAT (D) for Raspberry Pi, 5V Uninterruptible Power Supply, Supports 21700 Li ba-tte-ry (NOT Included), Pogo Pins Connector Design Compatible with Raspberry Pi 4B/3B+/3B,etc.
Limited time offer, ends 11/14
$92.14
Free Shipping
Uninterruptible Power Supply UPS HAT for Raspberry Pi 5/4B/3B+/3B, Support Power Supply Charge and Power Output at The Same Time, Provides Power Supply via Pogo Pins, with 5V USB Output
Limited time offer, ends 11/14
$79.53
Free Shipping
2PCS 2.13inch E-Ink Display HAT V4 Version, Black/White Two-Color 250x122 Pixel E-Paper for Raspberry Pi 5/4B/3B+/3B/2B/Zero W/WH/Zero 2 W/Jetson Nano SPI Interface, Support Partial Refresh
Limited time offer, ends 11/14
$84.38
Free Shipping
Isolated RS485 CAN HAT for Raspberry Pi Ardui STM32 2-Ch CAN Bus+1-Ch RS485 Adopts MCP2515 + SN65HVD230 Dual Chips Slide Switch 3.3V 5V Level Multiple Protection Circuits
Limited time offer, ends 11/14
$80.50
Free Shipping
Isolated RS485 CAN HAT for Raspberry Pi Ardui STM32 2-Ch CAN Bus+1-Ch RS485 Adopts MCP2515 + SN65HVD230 Dual Chips Slide Switch 3.3V 5V Level Multiple Protection Circuits
Limited time offer, ends 11/14
$90.20
Free Shipping
SX1262 LoRa HAT for Raspberry Pi 915MHz Frequency Band Data Transmission up to 5km Support Auto Repeating to Transmit Longer Wake on Radio Wireless Config Carrier Sensing Communication Key
Limited time offer, ends 11/14
$84.38
Free Shipping
Uninterruptible Power Supply HAT for Raspberry Pi Zero Series, 5V Stable Output, Solar Charging (5V24V), Ba-ttery Monitoring via I2C,Low-Power UPS Expansion Module
Limited time offer, ends 11/14
$87.29
Free Shipping
Uninterruptible Power Supply UPS HAT Compatible with Raspberry Pi 5 / 4B / 3B+, etc, Type-C Bi-Directional Fast Charging, 5V 6A Output, Supports Charging and Power Output at The Same Time
Limited time offer, ends 11/14
$104.75
Free Shipping
4G 3G 2G GSM GPRS GNSS HAT Based on SIM7600G-H LTE CAT4 150Mbps Wireless Communication Telephone Call SMS Positioning for Raspberry Pi 4 3 2 Model B B+ Zero W WH Jetson Nano (Global Version)@XYGStudy
Limited time offer, ends 11/14
$135.48
Free Shipping
4G/3G/2G/GSM/GPRS/GNSS HAT for Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W/WH and Jetson Nano/Ard/STM32,Based on SIM7600G-H,Support LTE CAT4 up to 150Mbps Wireless Communication etc (Globally Applicable)
Limited time offer, ends 11/14
$253.16
Free Shipping
Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi/Bluetooth/RS485 Controll, Onboard RS485 / Pico HAT Interfaces, for Expanding RTC/CAN / RS232 / LoRa/Sensor, etc.
Limited time offer, ends 11/14
$97.96
Free Shipping
RS485 CAN HAT for Raspberry Pi 4 3/2/1 Model B B+ A+, Onboard CAN Controller MCP2515 via SPI Interface, Transceiver SN65HVD230 and SP3485, Allow Long-Distance Communication via RS485/CAN Function
Limited time offer, ends 11/14
$148.31
Free Shipping
2-Channel Isolated CAN Bus FD Expansion HAT for Raspberry Pi, with MCP2518FD CAN Controller and MCP2562FD CAN Transceiver, Supports Original CAN2.0 and CAN FD Protocols, Multi Protection Circuits
Limited time offer, ends 11/14
$152.28
Free Shipping
PoE HAT for Raspberry Pi 5/Compute Module 5, Power Over Ethernet HAT for Pi 5/CM5, 5V 5A 25W, IEEE 802.3af/at-Compliant Network Standard, Pi 5 PoE HAT Compatible with Raspberry Pi 5 Official Case
Limited time offer, ends 11/14
$43.70
Free Shipping
GPIO Expander for Raspberry Pi Pico,with 1x Raspberry Pi Standard 40PIN Header and 1x Pico 2×20PIN Header,for Connecting Raspberry Pi Hats and Pico Expansion Boards
Limited time offer, ends 11/14
$26.71
Free Shipping
Official Pi PCIe to M.2 HAT for Raspberry Pi 5, HAT + Standard, Supports NVMe Protocol M.2 Solid State Drive 2230/2242 High-Speed Reading/Writing
Limited time offer, ends 11/14
$48.69
Free Shipping
WISDUM Waveshare PoE HAT (B) Power Over Ethernet HAT Supports Raspberry Pi 3B+ and 4B, 802.3af PoE Network
Limited time offer, ends 11/14
$64.34
Free Shipping
4G LTE IoT Projects GPS Hats Cooling Fan Expansion Board for PI5 PI4B RasPi RPI Raspberry Pi 3 4 Model B 5 Development Board Accesorios Set Breakout Shield Complete Starter Kit 2GB 4GB 8GB 16GB RAM
Limited time offer, ends 11/14
$269.00
Free Shipping
PCIe to M.2 E Key HAT Compatible with Raspberry Pi 5, Pi 5 PCIe HAT Support Various NGFF (M.2 E Key) Wireless NIC, Supports USB Bluetooth Connection, HAT+ Standard
Limited time offer, ends 11/14
$30.39
Free Shipping
POE HAT (B) for Raspberry Pi 4B/3B+,Power Over Ethernet HAT with 0.91" OLED,Support 802.3af PoE Network,802.3af Power-Sourcing Equipment Required
Limited time offer, ends 11/14
$57.00
Free Shipping
Waveshare 2-Channel Isolated RS485 Expansion HAT, SC16IS752+SP3485 Dual Chip, SPI to RS485, Up to 921600bps, Raspberry Pi 4B/3B+/3B/2B/Zero/Zero W HAT
Limited time offer, ends 11/14
$48.69
Free Shipping
Protective Case Compatible with Raspberry Pi 7inch Touch Display 2 and Raspberry Pi 5, Support Multiple 7inch Screens, Supports Installing RPi Hats, Reserved Rich Interfaces
Limited time offer, ends 11/14
$34.19
Free Shipping
2.13inch E-Paper HAT+ for Raspberry Pi 5/ 4B/3B+/3B/2B/A+/Zero W/WH/Zero 2 W/Jetson Nano, E-Ink Display HAT+ Standard 250x122 Pixel SPI Interface with Pwnagotchi Tutorial Support Partial Refresh
Limited time offer, ends 11/14
$51.30
Free Shipping