SparkFun RED-V Thing Plus - SiFive RISC-V FE310 SoC Shipping:2-4 Weeks Here are specifications from Espressif

Here are specifications from Espressif about the ESP32:

This will enable the 120 ohm terminating resistor

which is bit 0 in the status register

2x Transistor — NPN (BC337)

SparkFun RED-V Thing Plus - SiFive RISC-V FE310 SoC Shipping:2-4 Weeks Here are specifications from EspressifThe SparkFun RED V (pronounced red five) Thing Plus is a low cost, development board in our popular Thing Plus footprint and adds in the Freedom E310 core and RISC V instruction set architecture (ISA). What sets the RED V Thing Plus apart is the completely open source approach from hardware to ISA. That means anyone can make full use of the microcontroller without requiring royalties, licenses, or non disclosure agreements. The RED V Thing Plus comes