MR24HPC1 Human Static Presence Radar Sensor

#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "driver/uart.h"

// MR24HPC1 on UART2: module TX -> GPIO16 (RX2), RX -> GPIO17 (TX2), 115200 baud
#define RADAR_UART UART_NUM_2

void app_main(void)
{
    uart_config_t config = {
        .baud_rate = 115200,
        .data_bits = UART_DATA_8_BITS,
        .parity = UART_PARITY_DISABLE,
        .stop_bits = UART_STOP_BITS_1,
        .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
    };
    ESP_ERROR_CHECK(uart_param_config(RADAR_UART, &config));
    ESP_ERROR_CHECK(uart_set_pin(RADAR_UART, 17, 16, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
    ESP_ERROR_CHECK(uart_driver_install(RADAR_UART, 1024, 0, 0, NULL, 0));

    uint8_t buf[64];
    while (1) {
        int len = uart_read_bytes(RADAR_UART, buf, sizeof(buf), pdMS_TO_TICKS(200));
        if (len > 0) {
            for (int i = 0; i < len; i++)
                printf("%02X ", buf[i]);
            printf("\n");
        }
    }
}

uart:
  id: uart_bus
  tx_pin: GPIO17
  rx_pin: GPIO16
  baud_rate: 115200
  parity: NONE
  stop_bits: 1

seeed_mr24hpc1:
  id: my_mr24hpc1

binary_sensor:
  - platform: seeed_mr24hpc1
    has_target:
      name: "Presence Detected"

sensor:
  - platform: seeed_mr24hpc1
    custom_presence_of_detection:
      name: "Static Distance"
    movement_signs:
      name: "Body Movement Parameter"
    custom_motion_distance:
      name: "Motion Distance"
    custom_spatial_static_value:
      name: "Existence Energy"
    custom_spatial_motion_value:
      name: "Motion Energy"
    custom_motion_speed:
      name: "Motion Speed"
    custom_mode_num:
      name: "Mode Number"

[env:esp32dev]
platform = espressif32
board = esp32dev
framework = arduino
monitor_speed = 115200
lib_deps =
    https://github.com/limengdu/Seeed_24GHz_Human_Static_Presence_Module_Lite.git

#include <Arduino.h>
#include <humanstaticLite.h>

// UART2: radar TX -> GPIO16 (RX2), radar RX -> GPIO17 (TX2)
HumanStaticLite radar(&Serial2);

void setup() {
  Serial.begin(115200);
  Serial2.begin(115200, SERIAL_8N1, 16, 17);
  Serial.println("MR24HPC1 ready");
}

void loop() {
  radar.recvRadarBytes();       // Read a frame from the radar
  radar.HumanStatic_func(true); // Parse and print presence, motion and body-sign data
  delay(200);
}

from machine import UART
import time

# MR24HPC1: module TX -> GPIO16 (RX2), RX -> GPIO17 (TX2), 115200 baud
uart = UART(2, baudrate=115200, tx=17, rx=16)

while True:
    data = uart.read()
    if data:
        print(" ".join("{:02X}".format(b) for b in data))
    time.sleep(0.2)