MSR JM Brain S2-mini 207 v4.2

Features

• Jacdac on pin 17 using Jacdac connector
• RGB LED on pins 8, 7, 6 (use setStatusLight to control)
• Serial logging on pin 43 at 115200 8N1

• Service: power (auto-start)

caution

I2C pins are not configured.

Stores

Pins

pin name	hardware id	features
P33	GPIO33	io
P34	GPIO34	io
jacdac.pin	GPIO17	jacdac.pin, analogOut, io
led.rgb[0].pin	GPIO8	led.rgb[0].pin, analogIn, io
led.rgb[1].pin	GPIO7	led.rgb[1].pin, analogIn, io
led.rgb[2].pin	GPIO6	led.rgb[2].pin, analogIn, io
log.pinTX	GPIO43	log.pinTX, io
sd.pinCS	GPIO38	sd.pinCS, io
sd.pinMISO	GPIO37	sd.pinMISO, io
sd.pinMOSI	GPIO35	sd.pinMOSI, io
sd.pinSCK	GPIO36	sd.pinSCK, io
services.power[0].pinEn	GPIO2	services.power[0].pinEn, analogIn, io
services.power[0].pinFault	GPIO13	services.power[0].pinFault, io

DeviceScript import

You must add this import statement to load the pinout configuration for this device.

In Visual Studio Code, click the wand icon on the file menu and select "MSR JM Brain S2-mini 207 v4.2".

import { pins, board } from "@dsboard/msr207_v42"

Firmware update

In Visual Studio Code, select DeviceScript: Flash Firmware... from the command palette.

Run this command line command and follow the instructions.

devicescript flash --board msr207_v42

• Firmware

Configuration

msr207_v42.json

{
    "$schema": "https://raw.githubusercontent.com/microsoft/devicescript-esp32/main/boards/esp32deviceconfig.schema.json",
    "id": "msr207_v42",
    "devName": "MSR JM Brain S2-mini 207 v4.2",
    "productId": "0x322e0e64",
    "archId": "esp32s2",
    "jacdac": {
        "$connector": "Jacdac",
        "pin": 17
    },
    "led": {
        "rgb": [
            {
                "mult": 250,
                "pin": 8
            },
            {
                "mult": 60,
                "pin": 7
            },
            {
                "mult": 150,
                "pin": 6
            }
        ]
    },
    "log": {
        "pinTX": 43
    },
    "pins": {
        "P33": 33,
        "P34": 34
    },
    "sd": {
        "pinCS": 38,
        "pinMISO": 37,
        "pinMOSI": 35,
        "pinSCK": 36
    },
    "services": [
        {
            "faultIgnoreMs": 100,
            "mode": 0,
            "name": "power",
            "pinEn": 2,
            "pinFault": 13,
            "service": "power"
        }
    ]
}