TCXO
2 devicesProducts with TCXO temperature-compensated crystal oscillators for stable frequency references.
Related:1.54" E-Paper Display128MB SLC NAND Flash Memory128Mbit Serial NOR Flash16-Channel I2C GPIO Expander1N41482.41" AMOLED Display2.9" B/W E-Paper Display (128x296)3.3V 2A DC-DC Buck Converter3.3V 800mA LDO Regulator3W Mono Class-D Audio Amplifier4G LTE Cat-4 Global Cellular Modem5-Way Navigation Button

TimeHAT I226 NIC with PPS In/Out for RPi5
Raspberry Pi Hat
Open-source Raspberry Pi 5 PCIe HAT with Intel I226 2.5G Ethernet NIC, dual SMA connectors for 1PPS input/output, built-in TCXO, and M.2 slot for GNSS modules. Ideal for PTP grandmaster clocks.
None (HAT expansion board — uses host Raspberry Pi 5 BCM2712 processor)N/A (expansion board)N/A (expansion board)WiFi falseBLE falseZigbee falseEthernet 2.5 Gbps (Intel I226)
~$200View

UPduino v3.1
FPGA
A low-cost, fully open source FPGA development board built on the Lattice ICE40UP5K with 5.3K LUTs, on-board FTDI FT232H USB programmer, 4MB qSPI flash, and 39 GPIO pins on PMOD-compatible headers.
Lattice ICE40UP5K (5.3K LUT FPGA)1Mbit SPRAM + 120Kbit DPRAM4MB39 GPIOWiFi NoBLE NoZigbee NoEthernet No
~$36View
Get notified when new devices are added.