Connecting HM-10 and relay to Arduino Uno

Question

I have an 8 channel relay, an Arduino Uno, and this HM-10 bluetooth module: https://www.amazon.com/dp/B06WGZB2N4

The Goal Send a number (1-8) from my Android phone via bluetooth to turn a relay on.

The Problem I can't seem to get the bluetooth to reply to anything I send. I'm trying to use "Arduino Bluetooth" from the app store to send commands, but it either errors or ignores me and doesn't do anything. I can't communicate with the bluetooth from the Arduino IDE either.

The wiring I'm SUPER new to small electronics, I suspect I'm not giving the system enough power and might need to give my relay its own 5.5v supply, but here's what I've got:

HM-10 | Uno 
-------------------
RX | Digital 3 
TX | Digital 2
VCC | 3.3V
GND | GND 

Uno | Relay 
-------------------
Digital 4 | IN8 
Digital 5 | IN7
Digital 6 | IN6 
Digital 7 | IN5
Digital 8 | IN4
Digital 9 | IN3
Digital 10 | IN2
Digital 11 | IN1
GND | GND
5V | VCC

The code:

#include <SoftwareSerial.h>
const int relayPins[] = {4, 5, 6, 7, 8, 9,10,11};
SoftwareSerial HM10(2, 3);
void setup() {
 Serial.begin(9600);
 HM10.begin(9600);
 for (int i = 0; i < sizeof(relayPins) / sizeof(relayPins[0]); i++) {
 pinMode(relayPins[i], OUTPUT);
 digitalWrite(relayPins[i], HIGH); // set relays to OFF
 }
}
void loop() {
 if (HM10.available() > 0) {
 int relayNum = HM10.read() - '0'; // convert ASCII to integer
 if (relayNum >= 1 && relayNum <= 11){
 digitalWrite(relayPins[relayNum - 1], LOW);
 Serial.print("Turned on relay ");
 Serial.println(relayNum);
 delay(1000); // wait for 1 second
 digitalWrite(relayPins[relayNum - 1], HIGH);
 Serial.print("Turned off relay ");
 Serial.println(relayNum);
 }
 }
}

• jsotola: add some debugging code